Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
|---|
| thermotolerant and mesophylic fungi from sugarcane bagasse and their prospection for biomass-degrading enzyme production. | nineteen fungi and seven yeast strains were isolated from sugarcane bagasse piles from an alcohol plant located at brazilian cerrado and identified up to species level on the basis of the gene sequencing of 5.8s-its and 26s ribosomal dna regions. four species were identified: kluyveromyces marxianus, aspergillus niger, aspergillus sydowii and aspergillus fumigatus, and the isolates were screened for the production of key enzymes in the saccharification of lignocellulosic material. among them, th ... | 2017 | 26413077 |
| symbiotic potential and survival of native rhizobia kept on different carriers. | native rhizobia are ideal for use as commercial legume inoculants. the characteristics of the carrier used to store the inoculants are important for the survival and symbiotic potential of the rhizobia. the objective of this study was to investigate the effects of peat (peat), perlite sugarcane bagasse (psb), carboxymethyl cellulose plus starch (cmcs), and yeast extract mannitol supplemented with mannitol (yemm) on the survival, nodulation potential and n2 fixation capacity of the native strains ... | 2015 | 26413054 |
| protective effect of saccharum officinarum l. (sugar cane) juice on isoniazid induced hepatotoxicity in male albino mice. | isoniazid (inh) is the drug of choice for treatment of tuberculosis (tb) and it is a well-known-cause of acute clinical liver injury which can be severe and sometimes fatal. the study was designed to investigate the effects of saccharum officinarum l. juice on oxidative liver injury due to inh in mice. | 2016 | 26411113 |
| s-triazine degrading bacterial isolate arthrobacter sp. ak-yn10, a candidate for bioaugmentation of atrazine contaminated soil. | the arthrobacter sp. strain ak-yn10 is an s-triazine pesticide degrading bacterium isolated from a sugarcane field in central india with history of repeated atrazine use. ak-yn10 was shown to degrade 99 % of atrazine in 30 h from media supplemented with 1000 mg l(-1) of the herbicide. draft genome sequencing revealed similarity to pao1, tc1, and tc2 catabolic plasmids of the arthrobacter taxon. plasmid profiling analyses revealed the presence of four catabolic plasmids. the trzn, atzb, and atzc ... | 2016 | 26403923 |
| anaerobic biological treatment of vinasse for environmental compliance and methane production. | the energy crisis resulted in increasing awareness that alternative sources of energy should be considered. during this time, brazil implemented ethanol production from sugarcane as biofuel. however, during this process, large amounts of residues are generated, such as vinasse. this residue can be treated anaerobically to generate methane as a source of bioenergy with the use of sequencing batch reactors operated with immobilized biomass (ansbbr). in this work, tests were conducted in an ansbbr ... | 2016 | 26400496 |
| mechanistic study on ultrasound assisted pretreatment of sugarcane bagasse using metal salt with hydrogen peroxide for bioethanol production. | this study presents the ultrasound assisted pretreatment of sugarcane bagasse (scb) using metal salt with hydrogen peroxide for bioethanol production. among the different metal salts used, maximum holocellulose recovery and delignification were achieved with ultrasound assisted titanium dioxide (tio2) pretreatment (uatp) system. at optimum conditions (1% h2o2, 4 g scb dosage, 60 min sonication time, 2:100 m ratio of metal salt and h2o2, 75°c, 50% ultrasound amplitude and 70% ultrasound duty cycl ... | 2016 | 26384901 |
| [succinic acid production from sucrose and sugarcane molasses by metabolically engineered escherichia coli]. | sugarcane molasses containing large amounts of sucrose is an economical substrate for succinic acid production. however, escherichia coli afp111 cannot metabolize sucrose although it is a promising candidate for succinic acid production. to achieve sucrose utilizing ability, we cloned and expressed cscbka genes encoding sucrose permease, fructokinase and invertase of non-pts sucrose-utilization system from e. coli w in e. coli afp111 to generate a recombinant strain afp111/pmd19t-cscbka. after 7 ... | 2015 | 26380410 |
| mathematical modeling of enzyme production using trichoderma harzianum p49p11 and sugarcane bagasse as carbon source. | a mathematical model to describe the kinetics of enzyme production by the filamentous fungus trichoderma harzianum p49p11 was developed using a low cost substrate as main carbon source (pretreated sugarcane bagasse). the model describes the cell growth, variation of substrate concentration and production of three kinds of enzymes (cellulases, beta-glucosidase and xylanase) in different sugarcane bagasse concentrations (5; 10; 20; 30; 40 gl(-1)). the 10 gl(-1) concentration was used to validate t ... | 2015 | 26378961 |
| effect of phenolic compounds from pretreated sugarcane bagasse on cellulolytic and hemicellulolytic activities. | this work shows both cellulases and hemicellulases are inhibited and deactivated by water-soluble and acetone extracted phenolics from sugarcane bagasse pretreated at 10% (w/v) for 30 min in liquid hot water at 180 or 200°c. the dissolved phenolics in vacuum filtrate increased from 1.4 to 2.4 g/l as temperature increased from 180 to 200°c. the suppression of cellulose and hemicellulose hydrolysis by phenolics is dominated by deactivation of the β-glucosidase or β-xylosidase components of cellula ... | 2016 | 26364828 |
| prionic acid: an effective sex attractant for an important pest of sugarcane, dorysthenes granulosus (coleoptera: cerambycidae: prioninae). | male dorysthenes granulosus (thomson, 1860) (coleoptera: cerambycidae: prioninae) were caught in traps baited with racemic 3,5-dimethyldodecanoic acid (prionic acid) during field screening trials in china that tested known cerambycid pheromones. this species is an important pest of sugarcane (saccharum officinarum l.). in follow-up dose-response trials, plastic sachets loaded with 1 or 0.1 mg of prionic acid were equally attractive to male beetles, whereas lower doses were no better than control ... | 2016 | 26362990 |
| sugarcane elongin c is involved in infection by sugarcane mosaic disease pathogens. | sugarcane (saccharum sp. hybrid) provides the main source of sugar for humans. sugarcane mosaic disease (smd) is a major threat to sugarcane production. currently, control of smd is mainly dependent on breeding resistant cultivars through hybridization, which is time-consuming. understanding the mechanism of viral infection may facilitate novel strategies to breed cultivars resistant to smd and to control the disease. in this study, a wide interaction was detected between the viral vpg protein a ... | 2015 | 26362180 |
| chemical typification of the sugarcane spirits produced in são paulo state. | to typify são paulo state sugarcane spirits, 37 chemical compounds were analyzed in 81 brazilian sugarcane spirits (cachaça), which were produced in different cities from são paulo state. among these samples, 56 were distilled in copper alembics, and the other 25 were distilled in steel columns. hierarchical cluster analysis and principal component analysis were performed with both chemical data sets. the chemical profiles of the cachaças distilled in the column apparatus formed 4 specific clust ... | 2015 | 26353046 |
| isolation of aerobic cultivable cellulolytic bacteria from different regions of the gastrointestinal tract of giant land snail achatina fulica. | the enzymatic hydrolysis of cellulose by cellulases is one of the major limiting steps in the conversion of lignocellulosic biomass to yield bioethanol. to overcome this hindrance, significant efforts are underway to identify novel cellulases. the snail achatina fulica is a gastropod with high cellulolytic activity, mainly due to the abundance of glycoside hydrolases produced by both the animal and its resident microbiota. in this study, we partially assessed the cellulolytic aerobic bacterial d ... | 2015 | 26347735 |
| microscopy characterization of silica-rich agrowastes to be used in cement binders: bamboo and sugarcane leaves. | agrowastes are produced worldwide in huge quantities and they contain interesting elements for producing inorganic cementing binders, especially silicon. conversion of agrowastes into ash is an interesting way of yielding raw material used in the manufacture of low-co2 binders. silica-rich ashes are preferred for preparing inorganic binders. sugarcane leaves (saccharum officinarum, sl) and bamboo leaves (bambusa vulgaris, bvl and bambusa gigantea, bgl), and their corresponding ashes (sla, bvla, ... | 2015 | 26343378 |
| sugarcane bagasse as support for immobilization of bacillus pumilus hz-2 and its use in bioremediation of mesotrione-contaminated soils. | the degrading microorganisms isolated from environment usually fail to degrade pollutants when used for bioremediation of contaminated soils; thus, additional treatments are needed to enhance biodegradation. in the present study, the potential of sugarcane bagasse as bacteria-immobilizing support was investigated in mesotrione biodegradation. a novel isolate bacillus pumilus hz-2 was applied in bacterial immobilization, which was capable of degrading over 95 % of mesotrione at initial concentrat ... | 2015 | 26337896 |
| development of a novel sequential pretreatment strategy for the production of bioethanol from sugarcane trash. | a novel sequential pretreatment strategy using biodiesel industry generated waste glycerol assisted transition metal and alkali pretreatment of sugarcane trash were developed for the production of bioethanol. various process parameters affecting pretreatment as well as hydrolysis were optimized by adopting a taguchi design. this novel method was found to be superior when compared to conventional pretreatment strategies like acid and alkali in removing hemicelluloses and lignin and the hydrolyzat ... | 2016 | 26318846 |
| steam pretreatment of saccharum officinarum l. bagasse by adding of impregnating agents for advanced bioethanol production. | the main byproduct of the sugarcane industry, saccharum officinarum l. bagasse (sugarcane bagasse, scb), is widely used as lignocellulose biomass for bio-ethanol (etoh) production. in this research study, scb was pretreated by steam explosion (se) method using two different impregnating agents: sulfur dioxide (sd) and hydrogen peroxide (hp). as matter of fact, the use of impregnating agents improves the performance of se method, increasing the concentrations of fermentable sugars after enzymatic ... | 2016 | 26314609 |
| prospection and evaluation of (hemi) cellulolytic enzymes using untreated and pretreated biomasses in two argentinean native termites. | saccharum officinarum bagasse (common name: sugarcane bagasse) and pennisetum purpureum (also known as napier grass) are among the most promising feedstocks for bioethanol production in argentina and brazil. in this study, both biomasses were assessed before and after acid pretreatment and following hydrolysis with nasutitermes aquilinus and cortaritermes fulviceps termite gut digestome. the chemical composition analysis of the biomasses after diluted acid pretreatment showed that the hemicellul ... | 2015 | 26313257 |
| description and phylogenetic placement of beauveria hoplocheli sp. nov. used in the biological control of the sugarcane white grub, hoplochelus marginalis, on reunion island. | on reunion island successful biological control of the sugarcane white grub hoplochelus marginalis fairmaire (coleoptera: melolonthidae) has been conducted for decades with strains from the entomopathogenic fungal genus beauveria (ascomycota: hypocreales). a study based on morphological characters combined with a multisequence phylogenetic analysis of genes that encode the translation elongation factor 1-alpha (tef1), rna polymerase ii largest subunit (rpb1), rna polymerase ii second largest sub ... | 2016 | 26297783 |
| draft genome sequence of pseudomonas sp. strain lfm046, a producer of medium-chain-length polyhydroxyalkanoate. | pseudomonas sp. lfm046 is a medium-chain-length polyhydroxyalkanoate (phamcl) producer capable of using various carbon sources (carbohydrates, organic acids, and vegetable oils) and was first isolated from sugarcane cultivation soil in brazil. the genome sequence was found to be 5.97 mb long with a g+c content of 66%. | 2015 | 26294616 |
| de novo analysis of the transcriptome of pratylenchus zeae to identify transcripts for proteins required for structural integrity, sensation, locomotion and parasitism. | the root lesion nematode pratylenchus zeae, a migratory endoparasite, is an economically important pest of major crop plants (e.g. cereals, sugarcane). it enters host roots, migrates through root tissues and feeds from cortical cells, and defends itself against biotic and abiotic stresses in the soil and in host tissues. we report de novo sequencing of the p. zeae transcriptome using 454 flx, and the identification of putative transcripts encoding proteins required for movement, response to stim ... | 2016 | 26292651 |
| in vitro ability of beer fermentation residue and yeast-based products to bind aflatoxin b1. | this study aimed to verify the in vitro ability of beer fermentation residue (bfr) containing saccharomyces cerevisiae cells and five commercial products that differed in the viability and integrity of s. cerevisiae cells to remove aflatoxin b1 (afb1) from a citrate-phosphate buffer solution (cpbs). bfr was collected at a microbrewery and prepared by drying and milling. the commercial yeast-based products were as follows: inactive intact yeast cells from beer alcoholic fermentation, inactive int ... | 2015 | 26273277 |
| multi-trait multi-environment quantitative trait loci mapping for a sugarcane commercial cross provides insights on the inheritance of important traits. | breeding trials typically consist of phenotypic observations for various traits evaluated in multiple environments. for sugarcane in particular, repeated measures are obtained for plant crop and one or more ratoons, such that joint analysis through mixed models for modeling heterogeneous genetic (co)variances between traits, locations and harvests is appropriate. this modeling approach also enables us to include molecular marker information, aiding in understanding the genetic architecture of qu ... | 2017 | 26273212 |
| improved waste water treatment by bio-synthesized graphene sand composite. | the photocatalytic and antibacterial properties of graphene biosynthesized from sugar and anchored on sand particles has been focused here. the morphology and composition of the synthesized graphene sand composite (gsc) was investigated by means of x-ray powder diffraction (xrd), scanning electron microscopy (sem), energy dispersive x-ray spectroscopy (edax), fourier transform infra-red spectroscopy (ftir) and uv-visible spectroscopy. sem images show wrinkly edges. this is characteristic of grap ... | 2015 | 26265599 |
| conversion of levulinic acid into γ-valerolactone using fe3(co)12: mimicking a biorefinery setting by exploiting crude liquors from biomass acid hydrolysis. | the conversion of biomass-derived levulinic acid (la) into gamma-valerolactone (gvl) using formic acid (fa) and fe3(co)12 as the catalyst precursor was achieved in 92% yield. to mimic a biorefinery setting, crude liquor (containing 20% la) from the acid hydrolysis of sugarcane biomass in a pilot plant facility was directly converted into gvl in good yield (50%), without the need for isolating la. | 2015 | 26258183 |
| modifying solubility of polymeric xylan extracted from eucalyptus grandis and sugarcane bagasse by suitable side chain removing enzymes. | α-l-arabinofuranosidase (abfb) and novel α-d-glucuronidase (agu1b) enzymes were applied for selective hydrolysis of beechwood (fagus sylvatica) xylan (sigma-aldrich) as well as xylans extracted from eucalyptus grandis and sugarcane (saccharum officinarum l.) bagasse, leading to precipitation of these carbohydrate biopolymers. hemicellulose extraction was performed with two mild-alkali methods, höije and pinto. precipitation occurred after removal of 67, 40 and 16% 4-o-methyl-d-glucuronic acid (m ... | 2015 | 26256174 |
| exposure to rabies in small indian mongooses (herpestes auropunctatus) from two regions in puerto rico. | the small indian mongoose (herpestes auropunctatus) was introduced to several caribbean islands to control rat (rattus spp.) damage to sugarcane plantations. mongooses failed at suppressing rat populations and are now considered pests throughout most of their introduced range. importantly, mongooses are rabies reservoirs on several caribbean islands. in puerto rico, mongooses have been implicated in up to 70% of reported animal rabies cases. there is no rabies vaccination program for wildlife in ... | 2015 | 26251987 |
| lethal and sublethal effects of lufenuron on sugarcane borer diatraea flavipennella and its parasitoid cotesia flavipes. | the combination of chemical and biological controls is a historic goal of integrated pest management, but has rarely been achieved due to lethal and sublethal impact of insecticides on natural enemies altering their performance. in this context, the susceptibility of the yellow sugarcane borer, diatraea flavipennella (lepidoptera: crambidae), to the insect growth regulator lufenuron and the consequent effects upon its endoparasitoid cotesia flavipes (hymenoptera: braconidae) encountering exposed ... | 2015 | 26250937 |
| health risks due to pre-harvesting sugarcane burning in são paulo state, brazil. | after 2003, a new period of expansion of the sugarcane culture began in brazil. pre-harvesting burning of sugarcane straw is an agricultural practice that, despite the nuisance for the population and pollution generated, still persisted in over 70% of the municipalities of são paulo state in 2010. in order to study the distribution of this risk factor, an ecological epidemiological study was conducted associating the rates of deaths and hospital admissions for respiratory diseases, for each muni ... | 2016 | 26247192 |
| testis morphology and dichotomic spermatogenesis in the sugarcane borer diatraea saccharalis (f.) (lepidoptera: crambidae). | in the present study, we describe the testis morphology and spermatogenesis of the sugarcane borer, one of the most destructive pests of sugarcane, using light, transmission, and scanning electron microscopies. diatraea saccharalis (f.) larvae have paired, kidney-shaped testes that are limited externally and divided into four follicles by tunica cells. the adults have two fused whitish and spherical testes that are divided into eight follicles and are composed of spermatogonia, spermatocyte, spe ... | 2015 | 26245268 |
| quantitative (13)c multicp solid-state nmr as a tool for evaluation of cellulose crystallinity index measured directly inside sugarcane biomass. | the crystallinity index (ci) is often associated with changes in cellulose structure after biological and physicochemical pretreatments. while some results obtained with lignocellulosic biomass demonstrate a progressive increase in the ci as a function of pretreatments, it is also shown that the ci can significantly vary depending on the choice of the measurement method. besides, the influence of the ci on the recalcitrance of biomass has been controversial for a long time, but the most recent r ... | 2015 | 26244055 |
| a novel member of gh16 family derived from sugarcane soil metagenome. | glycoside hydrolases (ghs) are enzymes found in all living kingdoms that are involved in multiple physiological functions. due to their multiple enzymatic activities, ghs are broadly applied in bioethanol, food, and paper industry. in order to increase the productivity of these industrial processes, a constant search for novel and efficient enzymes has been proved to be necessary. in this context, metagenomics is a powerful approach to achieve this demand. in the current study, we describe the d ... | 2015 | 26242386 |
| comprehensive utilization of glycerol from sugarcane bagasse pretreatment to fermentation. | in this study, the effects of glycerol pretreatment on subsequent glycerol fermentation and biomass fast pyrolysis were investigated. the liquid fraction from the pretreatment process was evaluated to be feasible for fermentation by paenibacillus polymyxa and could be an economic substrate. the pretreated biomass was further utilized to obtain levoglucosan by fast pyrolysis. the pretreated sugarcane bagasse exhibited significantly higher levoglucosan yield (47.70%) than that of un-pretreated sam ... | 2015 | 26241838 |
| large-scale transcriptome analysis of two sugarcane genotypes contrasting for lignin content. | sugarcane is an important crop worldwide for sugar and first generation ethanol production. recently, the residue of sugarcane mills, named bagasse, has been considered a promising lignocellulosic biomass to produce the second-generation ethanol. lignin is a major factor limiting the use of bagasse and other plant lignocellulosic materials to produce second-generation ethanol. lignin biosynthesis pathway is a complex network and changes in the expression of genes of this pathway have in general ... | 2015 | 26241317 |
| alleviation of carbon catabolite repression in enterobacter aerogenes for efficient utilization of sugarcane molasses for 2,3-butanediol production. | due to its cost-effectiveness and rich sugar composition, sugarcane molasses is considered to be a promising carbon source for biorefinery. however, the sugar mixture in sugarcane molasses is not consumed as efficiently as glucose in microbial fermentation due to complex interactions among their utilizing pathways, such as carbon catabolite repression (ccr). in this study, 2,3-butanediol-producing enterobacter aerogenes was engineered to alleviate ccr and improve sugar utilization by modulating ... | 2015 | 26236395 |
| bioenergy from stillage anaerobic digestion to enhance the energy balance ratio of ethanol production. | the challenges associated with the availability of fossil fuels in the past decades intensified the search for alternative energy sources, based on an ever-increasing demand for energy. in this context, the application of anaerobic digestion (ad) as a core treatment technology in industrial plants should be highlighted, since this process combines the pollution control of wastewaters and the generation of bioenergy, based on the conversion of the organic fraction to biogas, a methane-rich gaseou ... | 2015 | 26233583 |
| isoconversional kinetic study of the thermal decomposition of sugarcane straw for thermal conversion processes. | the aim of this work was investigate the kinetics of the thermal decomposition reaction of sugarcane straw. the thermal decomposition experiments were conducted at four heating rates (1.25, 2.5, 5 and 10°c/min) in a thermogravimetric analyzer using nitrogen as inert atmosphere. the kinetic analysis was carried out applying the isoconversional method of friedman, and the activation energies obtained varied from 154.1kj/mol to 177.8kj/mol. the reaction model was determined through master plots, co ... | 2015 | 26232772 |
| xylitol production by yeasts isolated from rotting wood in the galápagos islands, ecuador, and description of cyberlindnera galapagoensis f.a., sp. nov. | this study evaluated d-xylose-assimilating yeasts that are associated with rotting wood from the galápagos archipelago, ecuador, for xylitol production from hemicellulose hydrolysates. a total of 140 yeast strains were isolated. yeasts related to the clades yamadazyma, kazachstania, kurtzmaniella, lodderomyces, metschnikowia and saturnispora were predominant. in culture assays using sugarcane bagasse hemicellulose hydrolysate, candida tropicalis clqca-24sc-125 showed the highest xylitol producti ... | 2015 | 26219566 |
| full genome sequence analysis of two isolates reveals a novel xanthomonas species close to the sugarcane pathogen xanthomonas albilineans. | xanthomonas albilineans is the bacterium responsible for leaf scald, a lethal disease of sugarcane. within the xanthomonas genus, x. albilineans exhibits distinctive genomic characteristics including the presence of significant genome erosion, a non-ribosomal peptide synthesis (nrps) locus involved in albicidin biosynthesis, and a type 3 secretion system (t3ss) of the salmonella pathogenicity island-1 (spi-1) family. we sequenced two x. albilineans-like strains isolated from unusual environments ... | 2015 | 26213974 |
| identification, inheritance, and fitness costs of cry2ab2 resistance in a field-derived population of sugarcane borer, diatraea saccharalis (f.) (lepidoptera: crambidae). | the sugarcane borer, diatraea saccharalis (f.), is one of the major target pests of transgenic maize, zea mays, expressing bacillus thuringiensis (bt) proteins in south america and mid-southern region of the u.s. the mon89034 maize expresses cry2ab2 and cry1a.105 bt proteins and it was developed to provide better control of key lepidopteran pests of maize including d. saccharalis. the objectives of this study were to select and characterize the resistance of d. saccharalis to cry2ab2 using a non ... | 2015 | 26205174 |
| complete genome sequence of endophytic nitrogen-fixing klebsiella variicola strain dx120e. | klebsiella variicola strain dx120e (=cgmcc 1.14935) is an endophytic nitrogen-fixing bacterium isolated from sugarcane crops grown in guangxi, china and promotes sugarcane growth. here we summarize the features of the strain dx120e and describe its complete genome sequence. the genome contains one circular chromosome and two plasmids, and contains 5,718,434 nucleotides with 57.1% gc content, 5,172 protein-coding genes, 25 rrna genes, 87 trna genes, 7 ncrna genes, 25 pseudo genes, and 2 crispr re ... | 2015 | 26203334 |
| interaction of polyphenol oxidase of solanum tuberosum with β-cyclodextrin: process details and applications. | polysaccharides differing in structure and chemical nature were screened for their ability to bind non-covalently with polyphenol oxidase (ppo) from potato (as a model) and their effect on enzyme activity. all the polysaccharides selected inhibited the ppo but β-cyclodextrin showed maximum inhibition under optimum conditions. process details for the inhibition of ppo were studied with respect to concentration of β-cyclodextrin, temperature, ph, and time. higher inhibition constant and lower half ... | 2015 | 26187193 |
| cost-effective defined medium for the production of polyhydroxyalkanoates using agricultural raw materials. | according to the cost of carbon substrate for producing biopolymer of polyhydroxyalkanoates (phas) still has a barrier to extend in an industrial scale. the aim of this work was to evaluate the defined phas media containing the agricultural raw materials of pineapple and sugarcane to produce phas by bacillus strain. batch fermentation was carried out in flask scale to compare the efficiency of defined media using statistical methodology. the defined medium 8 of pineapple was achieved the highest ... | 2015 | 26185927 |
| a one-step real-time rt-pcr assay for the detection and quantitation of sugarcane streak mosaic virus. | sugarcane mosaic disease is caused by the sugarcane streak mosaic virus (scsmv; genus poacevirus, family potyviridae) which is common in some asian countries. here, we established a protocol of a one-step real-time quantitative reverse transcription pcr (real-time qrt-pcr) using the taqman probe for the detection of scsmv in sugarcane. primers and probes were designed within the conserved region of the scsmv coat protein (cp) gene sequences. standard single-stranded rna (ssrna) generated by pcr- ... | 2015 | 26185758 |
| verrucomicrobial community structure and abundance as indicators for changes in chemical factors linked to soil fertility. | here we show that verrucomicrobial community structure and abundance are extremely sensitive to changes in chemical factors linked to soil fertility. terminal restriction fragment length polymorphism fingerprint and real-time quantitative pcr assay were used to analyze changes in verrucomicrobial communities associated with contrasting soil nutrient conditions in tropical regions. in case study model i ("slash-and-burn deforestation") the verrucomicrobial community structures revealed disparate ... | 2015 | 26184407 |
| statistical optimization of laccase production and delignification of sugarcane bagasse by pleurotus ostreatus in solid-state fermentation. | laccases are oxidative enzymes related to the degradation of phenolic compounds, including lignin units, with concomitant reduction of oxygen to water. delignification is a necessary pretreatment step in the process of converting plant biomass into fermentable sugars. the objective of this work was to optimize the production of laccases and to evaluate the delignification of sugarcane bagasse by pleurotus ostreatus in solid-state fermentation. among eight variables (ph, water activity, temperatu ... | 2015 | 26180784 |
| determination of furanic aldehydes in sugarcane bagasse by high-performance liquid chromatography with pulsed amperometric detection using a modified electrode with nickel nanoparticles. | a glassy carbon electrode chemically modified with nickel nanoparticles coupled with reversed-phase chromatography with pulsed amperometric detection was used for the quantitative analysis of furanic aldehydes in a real sample of sugarcane bagasse hydrolysate. chromatographic separation was carried out in isocratic conditions (acetonitrile/water, 1:9) with a flow rate of 1.0 ml/min, a detection potential of -50 mv vs. pd, and the process was completed within 4 min. the analytical curves presente ... | 2015 | 26178531 |
| improved ethanol production from biomass by a rumen metagenomic dna fragment expressed in escherichia coli ms04 during fermentation. | with the aim of improving current ethanologenic escherichia coli strains, we screened a metagenomic library from bovine ruminal fluid for cellulolytic enzymes. we isolated one fosmid, termed csd4, which was able to confer to e. coli the ability to grow on complex cellulosic material as the sole carbon source such as avicel, carboxymethyl cellulose, filter paper, pretreated sugarcane bagasse, and xylan. glucanolytic activity obtained from e. coli transformed with csd4 was maximal at 24 h of incub ... | 2015 | 26175105 |
| antifungal properties of rhamnolipid produced by pseudomonas aeruginosa ds9 against colletotrichum falcatum. | the rhamnolipid biosurfactant (rl-ds9) extracted from the bacterial strain pseudomonas aeruginosa ds9 was evaluated for its antifungal activity against colletotrichum falcatum that causes red rot in sugarcane. the surface tension (st) reduction, biosurfactant production, and antifungal activity of biosurfactant against c. falcatum were investigated by using the medium with different carbon sources and it was found to be maximum in glucose. moreover, highest reduction of st and production of bios ... | 2015 | 26173581 |
| mutation in galp improved fermentation of mixed sugars to succinate using engineered escherichia coli as1600a and am1 mineral salts medium. | escherichia coli kj122 was engineered to produce succinate from glucose using the wild type galp for glucose uptake instead of the native phosphotransferase system (ptsi mutation). this strain now ferments 10% xylose poorly. mutants were selected by serial transfers in am1 mineral salts medium with 10% xylose. clones from this population all exhibited a similar improvement, co-fermentation of an equal mixture of xylose and glucose. one of these, as1600a, produced 84.26 ± 1.37 g/l succinate, equi ... | 2015 | 26159300 |
| environmental indicators for sustainability: a strategic analysis for the sugarcane ethanol context in brazil. | sugarcane ethanol is considered a renewable energy source and has emerged as a potential alternative to reduce dependency on fossil fuels, particularly in brazil. however, there are some questions about how sustainable this energy source is, given the impacts from its production and use on a larger scale. to understand and achieve sustainability, it is essential to build tools that can assess an integrated conception and help decision-makers to establish public policies for a sustainable develop ... | 2016 | 26153435 |
| agrobacterium-mediated in planta genetic transformation of sugarcane setts. | an efficient, reproducible, and genotype-independent in planta transformation has been developed for sugarcane using setts as explant. traditional agrobacterium-mediated genetic transformation and in vitro regeneration of sugarcane is a complex and time-consuming process. development of an efficient agrobacterium-mediated transformation protocol, which can produce a large number of transgenic plants in short duration is advantageous. hence, in the present investigation, we developed a tissue cul ... | 2015 | 26152769 |
| genome-wide association and genomic prediction of resistance to maize lethal necrosis disease in tropical maize germplasm. | genome-wide association analysis in tropical and subtropical maize germplasm revealed that mlnd resistance is influenced by multiple genomic regions with small to medium effects. the maize lethal necrosis disease (mlnd) caused by synergistic interaction of maize chlorotic mottle virus and sugarcane mosaic virus, and has emerged as a serious threat to maize production in eastern africa since 2011. our objective was to gain insights into the genetic architecture underlying the resistance to mlnd b ... | 2015 | 26152570 |
| cadmium, lead, and zinc mobility and plant uptake in a mine soil amended with sugarcane straw biochar. | accumulation of heavy metals in unconsolidated soils can prove toxic to proximal environments, if measures are not taken to stabilize soils. one way to minimize the toxicity of metals in soils is the use of materials capable of immobilizing these contaminants by sorption. biochar (bc) can retain large amounts of heavy metals due to, among other characteristics, its large surface area. in the current experiment, sugarcane-straw-derived biochar, produced at 700 °c, was applied to a heavy-metal-con ... | 2015 | 26146374 |
| influence of agricultural environment on the plant mite community in forest fragments. | the mite community has been surveyed in seasonal semideciduous forest with three types of surrounding agricultural environments to test the hypothesis that abundance and richness of mites in forest fragments are influenced by the type of agricultural environment. the survey has been carried out in six fragments, divided into sets of two fragments, each one neighboring one sort of agricultural environment: sugarcane crop (fs), orange crop (fo) and pasture (fp). in each fragment, ten individuals o ... | 2015 | 26132024 |
| modeling pollution potential input from the drainage basin into barra bonita reservoir, são paulo - brazil. | in this study multi-criteria modeling tools are applied to map the spatial distribution of drainage basin potential to pollute barra bonita reservoir, são paulo state, brasil. barra bonita reservoir basin had undergone intense land use/land cover changes in the last decades, including the fast conversion from pasture into sugarcane. in this respect, this study answers to the lack of information about the variables (criteria) which affect the pollution potential of the drainage basin by building ... | 2015 | 26132013 |
| differential gene expression in drought-tolerant sugarcane roots. | drought is one of the most frequent abiotic stresses limiting the productivity and geographical distribution of sugarcane culture. the use of drought-tolerant genotypes is one approach for overcoming the effects of water stress. we conducted a comparative study to identify gene expression profiles under water stress in tolerant sugarcane roots. two different cultivars, 1 drought tolerant (rb867515) and 1 drought susceptible (sp86-155), were evaluated at 4 sampling time points (1, 3, 5, and 10 da ... | 2015 | 26125930 |
| evaluation of the environmental performance of alternatives for polystyrene production in brazil. | the global demand for polystyrene is supposed to reach an overall baseline of 23.5 million tons by 2020. the market has experienced the effects of such growth, especially regarding the environmental performance of the production processes. in brazil, renewable assets have been used to overcome the adverse consequences of this expansion. this study evaluates this issue for the production of brazilian polystyrene resins, general-purpose polystyrene (gpps) and high-impact polystyrene (hips). the ef ... | 2015 | 26119380 |
| optimization of aspergillus niger rock phosphate solubilization in solid-state fermentation and use of the resulting product as a p fertilizer. | a biotechnological strategy for the production of an alternative p fertilizer is described in this work. the fertilizer was produced through rock phosphate (rp) solubilization by aspergillus niger in a solid-state fermentation (ssf) with sugarcane bagasse as substrate. ssf conditions were optimized by the surface response methodology after an initial screening of factors with significant effect on rp solubilization. the optimized levels of the factors were 865 mg of biochar, 250 mg of rp, 270 mg ... | 2015 | 26112323 |
| sugarcane fibre may prevents hairball formation in cats. | hair ingested by licking during cat grooming can eventually coalesce into solid masses in cat gastrointestinal tract. it is believed that dietary fibre might reduce formation of these trichobezoars (hairballs). the effects of two insoluble fibre sources added to kibble diets were evaluated with respect to trichobezoar faecal excretion. thirty-two cats and four diets were used in a randomised block design: a control diet without additional fibre, 10 % added sugarcane fibre, 20 % added sugarcane f ... | 2014 | 26101589 |
| the influence of pretreatment methods on saccharification of sugarcane bagasse by an enzyme extract from chrysoporthe cubensis and commercial cocktails: a comparative study. | biomass enzymatic hydrolysis depends on the pretreatment methods employed, the composition of initial feedstock and the enzyme cocktail used to release sugars for subsequent fermentation into ethanol. in this study, sugarcane bagasse was pretreated with 1% h2so4 and 1% naoh and the biomass saccharification was performed with 8% solids loading using 10 fpase units/g of bagasse of the enzymatic extract from chrysoporthe cubensis and three commercial cocktails for a comparative study. overall, the ... | 2015 | 26094192 |
| using quantitative pcr with retrotransposon-based insertion polymorphisms as markers in sugarcane. | sugarcane is the main source of the world's sugar and is becoming increasingly important as a source of biofuel. the highly polyploid and heterozygous nature of the sugarcane genome has meant that characterization of the genome has lagged behind that of other important crops. here we developed a method using a combination of quantitative pcr with a transposable marker system to score the relative number of alleles with a transposable element (te) present at a particular locus. we screened two ge ... | 2015 | 26093024 |
| efficient mannitol production by wild-type lactobacillus reuteri crl 1101 is attained at constant ph using a simplified culture medium. | mannitol is a natural polyol with multiple industrial applications. in this work, mannitol production by lactobacillus reuteri crl 1101 was studied at free- and controlled-ph (6.0-4.8) fermentations using a simplified culture medium containing yeast and beef extracts and sugarcane molasses. the activity of mannitol 2-dehydrogenase (mdh), the enzyme responsible for mannitol synthesis, was determined. the effect of the initial biomass concentration was further studied. mannitol production (41.5 ± ... | 2015 | 26084891 |
| sustainability assessment of water hyacinth fast pyrolysis in the upper paraguay river basin, brazil. | fast pyrolysis of naturally produced water hyacinth was assessed through emergy accounting approach. two analyses were carried out to evaluate the influence of additional services and externalities on emergy indicators for a pyrolysis plant unit able to process 1000 kg of dry biomass per hour. the initial approach was a traditional emergy assessment in which financial fluxes and externalities were not considered. the second approach included taxes and fees of the brazilian government, interests ... | 2015 | 26081730 |
| characteristics and kinetic study on pyrolysis of five lignocellulosic biomass via thermogravimetric analysis. | pyrolysis characteristics and kinetic of five lignocellulosic biomass pine wood sawdust, fern (dicranopteris linearis) stem, wheat stalk, sugarcane bagasse and jute (corchorus capsularis) stick were investigated using thermogravimetric analysis. the pyrolysis of five lignocellulosic biomass could be divided into three stages, which correspond to the pyrolysis of hemicellulose, cellulose and lignin, respectively. single gaussian activation energy distributions of each stage are 148.50-201.13 kj/m ... | 2015 | 26080101 |
| response of sugarcane in a red ultisol to phosphorus rates, phosphorus sources, and filter cake. | we evaluated the effect of phosphorus application rates from various sources and in the presence or absence of filter cake on soil phosphorus, plant phosphorus, changes in acid phosphatase activity, and sugarcane productivity grown in eutrophic red ultisol. three p sources were used (triple superphosphate, araxa rock phosphate, and bayovar rock phosphate) and four application rates (0, 90, 180, and 360 kg ha(-1) of p2o5) in the presence or absence of filter cake (7.5 t ha(-1), dry basis). the so ... | 2015 | 26078993 |
| complete genome sequence of sporisorium scitamineum and biotrophic interaction transcriptome with sugarcane. | sporisorium scitamineum is a biotrophic fungus responsible for the sugarcane smut, a worldwide spread disease. this study provides the complete sequence of individual chromosomes of s. scitamineum from telomere to telomere achieved by a combination of pacbio long reads and illumina short reads sequence data, as well as a draft sequence of a second fungal strain. comparative analysis to previous available sequences of another strain detected few polymorphisms among the three genomes. the novel co ... | 2015 | 26065709 |
| roles of reversible and irreversible aggregation in sugar processing. | colloids (1-1000-nm particles) in sugarcane/beet juice originate from non-sucrose impurities (polyphenolic colorants, residual soil, polysaccharides) of the plant materials; additional colloids form during the high temperature processing. colloids are reactive toward aggregation, sorption, desorption, and redox/hydrolysis/thermal transformation reactions. both derjaguin-landau-verwey-overbeek (dlvo; van der waals and electrostatic forces) and non-dlvo (involving hydrophilic colloids) interaction ... | 2017 | 26065543 |
| multi-analytical approach reveals potential microbial indicators in soil for sugarcane model systems. | this study focused on the effects of organic and inorganic amendments and straw retention on the microbial biomass (mb) and taxonomic groups of bacteria in sugarcane-cultivated soils in a greenhouse mesocosm experiment monitored for gas emissions and chemical factors. the experiment consisted of combinations of synthetic nitrogen (n), vinasse (v; a liquid waste from ethanol production), and sugarcane-straw blankets. increases in co2-c and n2o-n emissions were identified shortly after the additio ... | 2015 | 26057123 |
| comparative secretome analysis of trichoderma reesei and aspergillus niger during growth on sugarcane biomass. | our dependence on fossil fuel sources and concern about the environment has generated a worldwide interest in establishing new sources of fuel and energy. thus, the use of ethanol as a fuel is advantageous because it is an inexhaustible energy source and has minimal environmental impact. currently, brazil is the world's second largest producer of ethanol, which is produced from sugarcane juice fermentation. however, several studies suggest that brazil could double its production per hectare by u ... | 2015 | 26053961 |
| verification test of sensory analyses of comb and strained honeys produced as pure and feeding intensively with sucrose (saccharum officinarum l.) syrup. | the aims of the study were to discriminate comb and strained honeys produced by the standard beekeeping method (control), shaking method (pure blossom honey), and feeding intensively (100kg/colony) with sucrose (adulterated honey) syrup by using sensory analysis and to develop a method to be used in identification of unknown or suspicion honey samples. in the study, twenty trained panelists assessed honey samples in relation to their properties including taste, odor, color, aroma, viscosity, dis ... | 2008 | 26050005 |
| gh11 xylanase from emericella nidulans with low sensitivity to inhibition by ethanol and lignocellulose-derived phenolic compounds. | an endo-β-1,4-xylanase (x22) was purified from crude extract of emericella nidulans when cultivated on submerged fermentation using sugarcane bagasse as the carbon source. the purified protein was identified by mass spectrometry and was most active at ph and temperature intervals of 5.0-6.5 and 50-60°c, respectively. the enzyme showed half-lives of 40, 10 and 7 min at 28, 50 and 55°c, respectively, and ph 5.0. apparent km and vmax values on soluble oat spelt xylan were 3.39 mg/ml and 230.8 iu/mg ... | 2015 | 26040589 |
| label-free quantitative proteomics of embryogenic and non-embryogenic callus during sugarcane somatic embryogenesis. | the development of somatic cells in to embryogenic cells occurs in several stages and ends in somatic embryo formation, though most of these biochemical and molecular changes have yet to be elucidated. somatic embryogenesis coupled with genetic transformation could be a biotechnological tool to improve potential crop yields potential in sugarcane cultivars. the objective of this study was to observe somatic embryo development and to identify differentially expressed proteins in embryogenic (e) a ... | 2015 | 26035435 |
| statistical design and optimization of single cell oil production from sugarcane bagasse hydrolysate by an oleaginous yeast rhodotorula sp. iip-33 using response surface methodology. | single cell oil production from sugarcane bagasse hydrolysate by oleaginous yeast rhodotorula sp. iip-33 was analyzed using a two stage statistical design approach based on response surface methodology. variables like pentose sugar, (nh4)2so4, kh2po4, yeast extract, ph and temperature were found to influence lipid production significantly. under optimized condition in a shake flask, yield of lipid was 2.1199 g with fat coefficient of 7.09 which also resembled ~99% similarity to model predicted l ... | 2014 | 26034686 |
| poly-γ-glutamic acid produced from bacillus licheniformis cgmcc 2876 as a potential substitute for polyacrylamide in the sugarcane industry. | as an environmentally friendly and industrially useful biopolymer, poly-γ-glutamic acid (γ-pga) from bacillus licheniformis cgmcc 2876 was characterized by the high-resolution mass spectrometry and (1)h nmr. a flocculating activity of 11,474.47 u ml(-1) obtained with γ-pga, and the effects of carbon sources, ions, and chemical properties (d-/l-composition and molecular weight) on the production and flocculating activity of γ-pga were discussed. being a bioflocculant in the sugar refinery process ... | 2015 | 26033934 |
| the core root microbiome of sugarcanes cultivated under varying nitrogen fertilizer application. | diazotrophic bacteria potentially supply substantial amounts of biologically fixed nitrogen to crops, but their occurrence may be suppressed by high nitrogen fertilizer application. here, we explored the impact of high nitrogen fertilizer rates on the presence of diazotrophs in field-grown sugarcane with industry-standard or reduced nitrogen fertilizer application. despite large differences in soil microbial communities between test sites, a core sugarcane root microbiome was identified. the sug ... | 2016 | 26032777 |
| effects of roughage sources produced in a tropical environment on forage intake, and ruminal and microbial parameters. | our objective was to study the effect of different roughage sources produced in a tropical environment on intake, digestibility, and ruminal parameters of crossbred bulls. five rumen-fistulated 30-mo-old holstein × bos indicus bulls (average bw =459 ± 32.5 kg) were utilized in a 5 × 5 randomized latin square design. the experiment consisted of five 19-d experimental periods (10 d for adaptation and 9 d for data collection) and 5 treatments. experimental diets consisted of corn (zea mays l.) sila ... | 2015 | 26020332 |
| performance of beef cows and calves fed different sources of rumen-degradable protein when grazing stockpiled limpograss pastures. | two experiments evaluated the effects of different sources of rdp on forage characteristics, animal performance, and ruminal and blood parameters of beef cattle grazing stockpiled limpograss (hemarthria altissima) from january to may 2011 and 2012. in exp. 1, 24 mature lactating beef cows and their respective calves were allocated to 8 stockpiled limpograss pastures (3 pairs/pasture). treatments were 2 different sources of rdp, urea or cottonseed (gossypium spp.) meal (csm), distributed in a com ... | 2015 | 26020215 |
| pre-harvest cane burning and health: the association between school absences and burning sugarcane fields. | the objective of this study was to investigate an association between pre-harvest sugarcane burning and respiratory diseases in children under five years of age. the following data were collected in five schools in the city of araraquara, sp, southeastern brazil, between march and june 2009: daily records of absences and the reasons stated for these absences, total concentration of suspended particulate matter (µg/m3), and air humidity. the relationship between the percentage of school absences ... | 2015 | 26018783 |
| phytochemical profile of sugarcane and its potential health aspects. | sugarcane (saccharum officinarum linn.) is an important perennial grass of poaceae family, indigenous to tropical south asia and southeast asia. it is cultivated worldwide due to the economical and medicinal value of its high yielding products. sugarcane juice is well known as a raw material for the production of refined sugar and its wax is considered as a potential substitute for the expensive carnauba wax, which is of cosmetic and pharmaceutical interest. refined sugar is the primary product ... | 2017 | 26009693 |
| effects of the pretreatment method on high solids enzymatic hydrolysis and ethanol fermentation of the cellulosic fraction of sugarcane bagasse. | this work evaluated ethanol production from sugarcane bagasse at high solids loadings in the pretreatment (20-40% w/v) and hydrolysis (10-20% w/v) stages. the best conditions for diluted sulfuric acid, ahp and ox-b pretreatments were determined and mass balances including pretreatment, hydrolysis and fermentation were calculated. from a technical point of view, the best pretreatment was ahp, which enabled the production of glucose concentrations near 8% with high productivity (3.27 g/lh), as wel ... | 2015 | 26004382 |
| mites associated with sugarcane crop and with native trees from adjacent atlantic forest fragment in brazil. | in some brazilian regions the atlantic forest biome is currently restrict to fragments occurring amid monocultures, as sugarcane crops in the northeast region. important influence of forest remnants over mite fauna of permanent crops have been showed, however it has been poorly explored on annual crops. the first step for understanding ecological relationship in an agricultural systems is known its composition. the objective of this study was to investigate the plant-inhabiting mite fauna associ ... | 2015 | 26003668 |
| pleurotus biomass production on vinasse and its potential use for aquaculture feed. | the vinasse is a by-product generated during the manufacture of alcohol from sugarcane fermentation. rich in organic matter, it is known that the vinasse has the potential to be used as a source of nutrients for plants as well as microorganisms. in this study, the fungi pleurotus sajor-caju, p. ostreatus, p. albidus and p. flabellatus were cultivated in vinasse and utilised as a complementary diet for danio rerio fish. the fungi mycelia cultured in vinasse for 15 days were lyophilised and offere ... | 2015 | 26000196 |
| truncated ubiquitin 5' regulatory region from erianthus arundinaceus drives enhanced transgene expression in heterologous systems. | characterization of novel plant gene promoters underpins the development of transgenic crop plants. here, we report a novel 5' regulatory sequence (eriubi d7) of the ubiquitin gene from erianthus arundinaceus, a wild relative of sugarcane resistant to many biotic and abiotic stresses. a 3.2-kb regulatory sequence of ubiquitin gene was isolated through random amplification of genomic ends technique and characterized in rice, tobacco, and sugarcane. in silico analysis revealed that the regulatory ... | 2015 | 25985900 |
| impacts of nosema sp. (microsporidia: nosematidae) on the sugarcane borer, diatraea saccharalis (lepidoptera: crambidae). | in brazil, the sugarcane borer, diatraea saccharalis (fabricius, 1794) (lepidoptera: crambidae), is controlled with massive releases of the hymenopteran parasitoid cotesia flavipes cam. (hymenoptera: braconidae); over 3 million hectares of sugarcane are treated annually with 18 billion parasitoids. in order to meet this demand, parasitoids are produced in d. saccharalis under laboratory conditions where a nosema sp. is reported to be an important problem in mass rearing of the host. the goals fo ... | 2015 | 25981134 |
| [morphological and molecular characterization of isolates of macrophomina phaseolina associated with sugarcane in mexico]. | charcoal rot caused by macrophomina phaseolina is an important disease of sugarcane in mexico. this study was carried out to characterize isolates of m. phaseolina obtained from sugarcane by the combination of morphological and molecular analyses. the morphological characterization of 10 isolates was performed using scanning electron microscopy and light microscopy. to confirm the morphological identification, rdna from two representative isolates was extracted, and the internal transcribed spac ... | 2015 | 25979147 |
| what makes xanthomonas albilineans unique amongst xanthomonads? | xanthomonas albilineans causes leaf scald, a lethal disease of sugarcane. compared to other species of xanthomonas, x. albilineans exhibits distinctive pathogenic mechanisms, ecology and taxonomy. its genome, which has experienced significant erosion, has unique genomic features. it lacks two loci required for pathogenicity in other plant pathogenic species of xanthomonas: the xanthan gum biosynthesis and the hrp-t3ss (hypersensitive response and pathogenicity-type three secretion system) gene c ... | 2015 | 25964795 |
| surface polysaccharides and quorum sensing are involved in the attachment and survival of xanthomonas albilineans on sugarcane leaves. | xanthomonas albilineans, the causal agent of sugarcane leaf scald, is a bacterial plant pathogen that is mainly spread by infected cuttings and contaminated harvesting tools. however, some strains of this pathogen are known to be spread by aerial means and are able to colonize the phyllosphere of sugarcane before entering the host plant and causing disease. the objective of this study was to identify the molecular factors involved in the survival or growth of x. albilineans on sugarcane leaves. ... | 2016 | 25962850 |
| overexpression and characterization of a glucose-tolerant β-glucosidase from t. aotearoense with high specific activity for cellobiose. | thermoanaerobacterium aotearoense p8g3#4 produced β-glucosidase (bgl) intracellularly when grown in liquid culture on cellobiose. the gene bgl, encoding β-glucosidase, was cloned and sequenced. analysis revealed that the bgl contained an open reading frame of 1314 bp encoding a protein of 446 amino acid residues, and the product belonged to the glycoside hydrolase family 1 with the canonical glycoside hydrolase family 1 (gh1) (β/α)8 tim barrel fold. expression of pet-bgl together with a chaperon ... | 2015 | 25957152 |
| the antibiotic activity and mechanisms of sugarcane (saccharum officinarum l.) bagasse extract against food-borne pathogens. | sugarcane bagasse contains natural compositions that can significantly inhibit food-borne pathogens growth. in the present study, the phenolic content in sugarcane bagasse was detected as higher than 4 mg/g dry bagasse, with 470 mg quercetin/g polyphenol. the sugarcane bagasse extract showed bacteriostatic activity against the growth of staphylococcus aureus, listeria monocytogenes, escherichia coli and salomonella typhimurium. additionally, the sugarcane bagasse extract can increase the electri ... | 2015 | 25952848 |
| water stress alters lignin content and related gene expression in two sugarcane genotypes. | the lignin deposition in the stem of two sugarcane genotypes was assessed on exposure to water stress. the lignin content and the morphoanatomical characterization of the stem indicated that iacsp94-2094 plants are more lignified than those of iacsp95-5000 genotype, under normal water supply conditions, which was especially associated with higher lignin contents in the rind of mature internodes. water deficit had negative impact on the biomass production, mostly with iacsp94-2094 plants, possibl ... | 2015 | 25936563 |
| ecotoxicological characterization of sugarcane vinasses when applied to tropical soils. | the impact of sugarcane vinasse on soil invertebrates was assessed through ecotoxicological assays. increasing concentrations of two vinasses from different distillery plants (va and vb), and a vinasse from a laboratory production (vc), were amended on two natural tropical oxisols (lv and lva) and a tropical artificial soil (tas) to characterize the effects of the vinasses on earthworms (eisenia andrei), enchytraeids (enchytraeus crypticus), mites (hypoaspis aculeifer) and collembolans (folsomia ... | 2015 | 25933292 |
| genome sequence of xanthomonas sacchari r1, a biocontrol bacterium isolated from the rice seed. | xanthomonas sacchari, was first identified as a pathogenic bacterium isolated from diseased sugarcane in guadeloupe. in this study, r1 was first isolated from rice seed samples from philippines in 2002. the antagonistic ability against several rice pathogens raises our attention. the genomic feature of this strain was described in this paper. the total genome size of x. sacchari r1 is 5,000,479 bp with 4315 coding sequences (cds), 59 trnas, 2rrnas and one plasmid. | 2015 | 25931193 |
| fluoride bioaccumulation by hydroponic cultures of camellia (camellia japonica spp.) and sugar cane (saccharum officinarum spp.). | the ability of hydroponic cultures of camellia and sugar cane adult plants to remove fluoride was investigated. plants were grown in a 50% steiner nutrient solution. after an adaptation period to hydroponic conditions, plants were exposed to different fluoride concentrations (0, 2.5, 5 and 10 mg l(-1)). fluoride concentration in the culture medium and in tissues was measured. in sugar cane, fluoride was mainly located in roots, with 86% of it absorbed and 14% adsorbed. sugar cane plants removed ... | 2015 | 25930125 |
| efficient reduction of the formation of by-products and improvement of production yield of 2,3-butanediol by a combined deletion of alcohol dehydrogenase, acetate kinase-phosphotransacetylase, and lactate dehydrogenase genes in metabolically engineered klebsiella oxytoca in mineral salts medium. | klebsiella oxytoca kms005 (∆adhe∆acka-pta∆ldha) was metabolically engineered to improve 2,3-butanediol (bdo) yield. elimination of alcohol dehydrogenase e (adhe), acetate kinase a-phosphotransacetylase (acka-pta), and lactate dehydrogenase a (ldha) enzymes allowed bdo production as a primary pathway for nadh re-oxidation, and significantly reduced by-products. kms005 was screened for the efficient glucose utilization by metabolic evolution. kms005-73t improved bdo production at a concentration o ... | 2015 | 25895450 |
| mesophilic hydrogen production in acidogenic packed-bed reactors (apbr) using raw sugarcane vinasse as substrate: influence of support materials. | bio-hydrogen production from sugarcane vinasse in anaerobic up-flow packed-bed reactors (apbr) was evaluated. four types of support materials, expanded clay (ec), charcoal (ch), porous ceramic (pc), and low-density polyethylene (ldp) were tested as support for biomass attachment. apbr (working volume - 2.3 l) were operated in parallel at a hydraulic retention time of 24 h, an organic loading rate of 36.2 kg-cod m(-3) d(-1), at 25 °c. maximum volumetric hydrogen production values of 509.5, 404, 8 ... | 2015 | 25891935 |
| isolation, production, purification and characterization of an organic-solvent-thermostable alkalophilic cellulase from bacillus vallismortis rg-07. | the rising concerns about the scarcity of fossil fuels, the emission of green house gasses and air pollution by incomplete combustion of fossil fuel have also resulted in an increasing focus on the use of cellulases to perform enzymatic hydrolysis of the lignocellulosic materials for the generation of bioethanol. the aim of this study was to isolate a potential thermo-solvent tolerant cellulase producing bacterium from natural resources, and then applied for purification and characterization. th ... | 2015 | 25886936 |
| a simple and practical control of the authenticity of organic sugarcane samples based on the use of machine-learning algorithms and trace elements determination by inductively coupled plasma mass spectrometry. | a practical and easy control of the authenticity of organic sugarcane samples based on the use of machine-learning algorithms and trace elements determination by inductively coupled plasma mass spectrometry is proposed. reference ranges for 32 chemical elements in 22 samples of sugarcane (13 organic and 9 non organic) were established and then two algorithms, naive bayes (nb) and random forest (rf), were evaluated to classify the samples. accurate results (>90%) were obtained when using all vari ... | 2015 | 25872438 |
| combining treatments to improve the fermentation of sugarcane bagasse hydrolysates by ethanologenic escherichia coli ly180. | inhibitory side products from dilute acid pretreatment is a major challenge for conversion of lignocellulose into ethanol. six strategies to detoxify sugarcane hydrolysates were investigated alone, and in combinations (vacuum evaporation of volatiles, high ph treatment with ammonia, laccase, bisulfite, microaeration, and inoculum size). high ph was the most beneficial single treatment, increasing the minimum inhibitory concentration (measured by ethanol production) from 15% (control) to 70% hydr ... | 2015 | 25864026 |
| evaluation of local energy sources in milk production in a tropical silvopastoral system with erythrina poeppigiana. | an experiment was carried out to determine the effect of four local energy sources (sorghum grain, green banana, polished rice, and sugarcane molasses) fed to dairy cows on intake, milk production and composition, and economic viability in a silvopastoral system in costa rica (turrialba). twelve grazing cows (jersey × central american milking creole), with a mean live weight of 332 kg (sd 34), were supplemented with 0.5 kg of dry matter (dm)/100 kg/lw of erythrina porppigiana fresh foliage daily ... | 2015 | 25863954 |