Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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| loop-mediated isothermal amplification (lamp) based detection of colletotrichum falcatum causing red rot in sugarcane. | red rot, caused by colletotrichum falcatum, is a destructive disease prevalent in most sugarcane-producing countries. disease-free sugarcane planting materials (setts) are essential as the pathogen spreads primarily through infected setts. the present study was undertaken to develop a loop-mediated isothermal amplification (lamp) assay for the detection of c. falcatum. c. falcatum genomic dna was isolated from pure mycelium culture and infected tissues. four sets of primers corresponding to a un ... | 2015 | 25861736 |
| isolation of cellulolytic bacteria from the intestine of diatraea saccharalis larvae and evaluation of their capacity to degrade sugarcane biomass. | as a strategy to find efficient lignocellulose degrading enzymes/microorganisms for sugarcane biomass pretreatment purposes, 118 culturable bacterial strains were isolated from intestines of sugarcane-fed larvae of the moth diatraea saccharalis. all strains were tested for cellulolytic activity using soluble carboxymethyl cellulose (cmc) degrading assays or by growing bacteria on sugarcane biomass as sole carbon sources. out of the 118 strains isolated thirty eight were found to possess cellulos ... | 2015 | 25852992 |
| harvest time residues of pendimethalin and oxyfluorfen in vegetables and soil in sugarcane-based intercropping systems. | terminal residues of pendimethalin and oxyfluorfen applied in autumn sugarcane- and vegetables-based intercropping systems were analyzed in peas (pisum sativum), cabbage (brassica oleracea), garlic (allium sativum), gobhi sarson (brassica napus), and raya (brassica juncea). the study was conducted in winter season in 2010-2011 and in 2011-2012 at ludhiana, india. pendimethalin at 0.56 kg and 0.75 kg ha(-1) was applied immediately after sowing of gobhi sarson, raya, peas, garlic, and 2 days befor ... | 2015 | 25832010 |
| maize lethal necrosis (mln), an emerging threat to maize-based food security in sub-saharan africa. | in sub-saharan africa, maize is a staple food and key determinant of food security for smallholder farming communities. pest and disease outbreaks are key constraints to maize productivity. in september 2011, a serious disease outbreak, later diagnosed as maize lethal necrosis (mln), was reported on maize in kenya. the disease has since been confirmed in rwanda and the democratic republic of congo, and similar symptoms have been reported in tanzania, uganda, south sudan, and ethiopia. in 2012, y ... | 2015 | 25822185 |
| high organic loading rate on thermophilic hydrogen production and metagenomic study at an anaerobic packed-bed reactor treating a residual liquid stream of a brazilian biorefinery. | this study evaluated the influence of a high organic loading rate (olr) on thermophilic hydrogen production at an up-flow anaerobic packed-bed reactor (apbr) treating a residual liquid stream of a brazilian biorefinery. the apbr, filled with low-density polyethylene, was operated at an olr of 84.2 kg-cod m(-3) d(-1). this value was determined in a previous study. the maximum values of hydrogen production and yield were 5,252.6 ml-h2 d(-1) and 3.7 mol-h2 mol(-1)(total carbohydrates), respectively ... | 2015 | 25812810 |
| increased biomass saccharification by supplementation of a commercial enzyme cocktail with endo-arabinanase from bacillus licheniformis. | the use of endo-arabinanase from bacillus licheniformis (abnase) for sugarcane saccharification has been evaluated by enzyme immobilization and commercial cocktail supplement with the immobilized heterologous protein. | 2015 | 25801671 |
| phosphomannose isomerase affects the key enzymes of glycolysis and sucrose metabolism in transgenic sugarcane overexpressing the mana gene. | sugarcane is one of the most important crops cultivated for the production of sugar and ethanol. in our previous studies, an innovative positive selection system for obtaining transgenic sugarcane, which utilized the e. coli-derived mana gene as the selectable marker and mannose as the selective agent, was developed and patented in china. in this paper, the influence of phosphomannose isomerase (pmi) overexpression on the key enzymes of both glycolysis and sucrose metabolism was investigated in ... | 2017 | 25798049 |
| direct saponification preparation and analysis of free and conjugated phytosterols in sugarcane (saccharum officinarum l.) by reversed-phase high-performance liquid chromatography. | a simple method based on direct saponification followed by rp-hplc analysis was developed for quantification of free and conjugated sterols in sugarcane. acid hydrolysis prior to alkaline saponification was used to determined acylated steryl glycoside and steryl glycoside in sugarcane. the applicability and generality of this method were improved with intensive investigation. compared to traditional solvent extraction method, this method was more time saving and appropriate for characterization ... | 2015 | 25794713 |
| draft genome sequence of xanthomonas sacchari strain lmg 476. | we report the high-quality draft genome sequence of xanthomonas sacchari strain lmg 476, isolated from sugarcane. the genome comparison of this strain with a previously sequenced x. sacchari strain isolated from a distinct environmental source should provide further insights into the adaptation of this species to different habitats and its evolution. | 2015 | 25792064 |
| effect of sugarcane biopolymer in vocal fold of rabbits. comparative study with calcium hydroxyapatite. | to compare the inflammatory reaction caused by the injection of a sugarcane biopolymer (scb) into the vocal fold of rabbits with that caused by calcium hydroxyapatite (cah). | 2015 | 25790006 |
| a novel thermostable xylanase gh10 from malbranchea pulchella expressed in aspergillus nidulans with potential applications in biotechnology. | the search for novel thermostable xylanases for industrial use has intensified in recent years, and thermophilic fungi are a promising source of useful enzymes. the present work reports the heterologous expression and biochemical characterization of a novel thermostable xylanase (gh10) from the thermophilic fungus malbranchea pulchella, the influence of glycosylation on its stability, and a potential application in sugarcane bagasse hydrolysis. | 2014 | 25788980 |
| 2g ethanol from the whole sugarcane lignocellulosic biomass. | in the sugarcane industry, large amounts of lignocellulosic residues are generated, which includes bagasse, straw, and tops. the use of the whole sugarcane lignocellulosic biomass for the production of second-generation (2g) ethanol can be a potential alternative to contribute to the economic viability of this process. here, we conducted a systematic comparative study of the use of the lignocellulosic residues from the whole sugarcane lignocellulosic biomass (bagasse, straw, and tops) from comme ... | 2015 | 25774217 |
| new cultive medium for bioconversion of c5 fraction from sugarcane bagasse using rice bran extract. | the use of hemicellulosic hydrolysates in bioprocesses requires supplementation as to ensure the best fermentative performance of microorganisms. however, in light of conflicting data in the literature, it is necessary to establish an inexpensive and applicable medium for the development of bioprocesses. this paper evaluates the fermentative performance of scheffersomyces (pichia) stipitis and candida guilliermondii growth in sugarcane bagasse hemicellulosic hydrolysate supplemented with differe ... | 2014 | 25763056 |
| characterization of typical aquatic humic substances in areas of sugarcane cultivation in brazil using tetramethylammonium hydroxide thermochemolysis. | aquatic humic substances (ahss) differ from one environment to another depending on land use and occupation. in addition, the effects of planting sugarcane on ahss are not well known. thus, the aim of this study was to characterize ahss extracted from a river in a typical region of sugarcane cultivation during dry and rainy seasons. the main characteristics of the ahss were obtained using fourier transformation infrared (ftir) spectroscopy, nuclear magnetic resonance (nmr) spectroscopy and off-l ... | 2015 | 25756675 |
| mannosylerythritol lipids: production and applications. | mannosylerythritol lipids (mels) are a glycolipid class of biosurfactants produced by a variety yeast and fungal strains that exhibit excellent interfacial and biochemical properties. mel-producing fungi were identified using an efficient screening method for the glycolipid production and taxonomical classification on the basis of ribosomal rna sequences. mel production is limited primarily to the genus pseudozyma, with significant variability among the mel structures produced by each species. o ... | 2015 | 25748373 |
| insecticide-degrading burkholderia symbionts of the stinkbug naturally occupy various environments of sugarcane fields in a southeast island of japan. | the stinkbug cavelerius saccharivorus, which harbors burkholderia species capable of degrading the organophosphorus insecticide, fenitrothion, has been identified on a japanese island in farmers' sugarcane fields that have been exposed to fenitrothion. a clearer understanding of the ecology of the symbiotic fenitrothion degraders of burkholderia species in a free-living environment is vital for advancing our knowledge on the establishment of degrader-stinkbug symbiosis. in the present study, we ... | 2014 | 25736865 |
| binding analysis of bacillus thuringiensis cry1 proteins in the sugarcane borer, diatraea saccharalis (lepidoptera: crambidae). | sugarcane borer (diatraea saccharalis, f.) is an important corn pest in south america and united states. the aim of the present study was to analyze the susceptibility and binding interactions of three cry1a proteins and cry1fa in a brazilian d. saccharalis population. the results showed that cry1ab was the most active, followed by cry1ac, cry1fa and cry1aa. all cry1-biotinylated proteins tested bound specifically to the d. saccharalis brush border membrane vesicles (bbmv). heterologous competit ... | 2015 | 25736726 |
| characterization of a protein-protein interaction network of the cbl-interacting protein kinase 8 from sugarcane. | plants are sessile organisms and have evolved to tolerate a constantly changing environment. after the onset of different stress conditions, calcineurin b-like (cbl) proteins can sense calcium signals and activate cbl-interacting protein kinase (cipk) proteins, which can phosphorylate downstream proteins to reestablish plant homeostasis. previous studies in the bioenergy crop sugarcane showed that the sccipk8 gene is induced by drought stress and is also related to sucrose content. here, we have ... | 2015 | 25729982 |
| enhanced biological straw saccharification through coculturing of lignocellulose-degrading microorganisms. | lignocellulosic waste (lcw) is an abundant, low-cost, and inedible substrate for the induction of lignocellulolytic enzymes for cellulosic bioethanol production using an efficient, environmentally friendly, and economical biological approach. in this study, 30 different lignocellulose-degrading bacterial and 18 fungal isolates were quantitatively screened individually for the saccharification of four different ball-milled straw substrates: wheat, rice, sugarcane, and pea straw. rice and sugarcan ... | 2015 | 25724976 |
| effects of soil attributes and straw accumulation on the sorption of hexazinone and tebuthiuron in tropical soils cultivated with sugarcane. | brazil is the largest sugarcane producer in the world in which hexazinone (3-cyclohexyl-6-dimethylamino-1-methyl-1,3,5-triazine-2,4-dione) and tebuthiuron (1-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea) are heavily used. sugarcane harvesting is changing from the manual system with previous straw burning to the mechanized system without straw burning. the lack of burning results in soil organic carbon accumulation mainly in clayey soils, which should affect herbicides availability and f ... | 2015 | 25714455 |
| sugarcane giant borer transcriptome analysis and identification of genes related to digestion. | sugarcane is a widely cultivated plant that serves primarily as a source of sugar and ethanol. its annual yield can be significantly reduced by the action of several insect pests including the sugarcane giant borer (telchin licus licus), a lepidopteran that presents a long life cycle and which efforts to control it using pesticides have been inefficient. although its economical relevance, only a few dna sequences are available for this species in the genbank. pyrosequencing technology was used t ... | 2015 | 25706301 |
| short-term physiological changes in roots and leaves of sugarcane varieties exposed to h2o2 in root medium. | the aim of this study was to evaluate the differential sensitivity of sugarcane genotypes to h2o2 in root medium. as a hypothesis, the drought tolerant genotype would be able to minimize the oxidative damage and maintain the water transport from roots to shoots, reducing the negative effects on photosynthesis. the sugarcane genotypes iacsp94-2094 (drought tolerant) and iacsp94-2101 (drought sensitive) were grown in a growth chamber and exposed to three levels of h2o2 in nutrient solution: contro ... | 2015 | 25703773 |
| soil carbon, nitrogen and phosphorus changes under sugarcane expansion in brazil. | historical data of land use change (luc) indicated that the sugarcane expansion has mainly displaced pasture areas in central-southern brazil, globally the largest producer, and that those pastures were prior established over native forests in the cerrado biome. we sampled 3 chronosequences of land use comprising native vegetation (nv), pasture (pa), and sugarcane crop (sc) in the sugarcane expansion region to assess the effects of luc on soil carbon, nitrogen, and labile phosphorus pools. thirt ... | 2015 | 25688522 |
| transgenic sugarcane resistant to sorghum mosaic virus based on coat protein gene silencing by rna interference. | as one of the critical diseases of sugarcane, sugarcane mosaic disease can lead to serious decline in stalk yield and sucrose content. it is mainly caused by potyvirus sugarcane mosaic virus (scmv) and/or sorghum mosaic virus (srmv), with additional differences in viral strains. rna interference (rnai) is a novel strategy for producing viral resistant plants. in this study, based on multiple sequence alignment conducted on genomic sequences of different strains and isolates of srmv, the conserve ... | 2015 | 25685813 |
| characterization and fatty acid profiling in two fresh water microalgae for biodiesel production: lipid enhancement methods and media optimization using response surface methodology. | two fresh water microalgae, coelastrella sp. m-60 and micractinium sp. m-13 were investigated in this study for their potential of biodiesel production. for increasing biomass and lipid production, these microalgae were subjected to nutrient starvation (nitrogen, phosphorous, iron), salinity stress and nutrient supplementation with sugarcane industry effluent, citric acid, glucose and vitamin b12. the lipid productivity obtained from the isolates coelastrella sp. m-60 (13.9 ± 0.4 mg/l/day) and m ... | 2015 | 25682476 |
| draft genome sequence of bacillus amyloliquefaciens jjc33m, isolated from sugarcane soils in the papaloapan region, mexico. | bacillus amyloliquefaciens strain jjc33m is a bacterium that produces α-amylase (ec 3.2.1.1) and was isolated from sugarcane soil. its estimated genome size is 3.96 mb, and it harbors 4,048 coding genes (cdss). | 2015 | 25676753 |
| improvement of ethanol production by ethanol-tolerant saccharomyces cerevisiae uvnr56. | ethanol tolerance is one of the important characteristics of ethanol-producing yeast. this study focused on the improvement of ethanol tolerance of saccharomyces cerevisiae nr1 for enhancing ethanol production by random uv-c mutagenesis. one ethanol-tolerant mutant, uvnr56, displayed a significantly improved ethanol tolerance in the presence of 15% (v/v) ethanol and showed a considerably higher viability during ethanol fermentation from sugarcane molasses and sugarcane molasses with initial etha ... | 2013 | 25674412 |
| phylogenetic analysis of saccharum s.l. (poaceae; andropogoneae), with emphasis on the circumscription of the south american species. | polyploidy and reticulate evolution are often a complication for discovering phylogenetic relationships between genera and species. despite the huge economic importance of sugarcane (saccharum officinarum-poaceae, andropogoneae), the limits of the genus saccharum and its species are complex and largely unresolved, involving both polyploidy and reticulate evolution. this study aimed to assess the phylogenetic relationships of saccharum s.l., including erianthus and tripidium, as well as investiga ... | 2015 | 25667078 |
| production of succinic acid from sugarcane molasses supplemented with a mixture of corn steep liquor powder and peanut meal as nitrogen sources by actinobacillus succinogenes. | the potential of using corn steep liquor powder (cslp), peanut meal (pm), soybean meal (sm), cotton meal (cm) and urea as the substitute of yeast extract (ye) as the nitrogen source was investigated for producing succinic acid (sa). actinobacillus succinogenes gxas137 was used as the fermenting bacterium and sugarcane molasses was used as the main substrate. none of these materials were able to produce sa as high as ye did. the cslp could still be considered as a feasible and inexpensive alterna ... | 2015 | 25647487 |
| xylanases of bacillus spp. isolated from ruminant dung as potential accessory enzymes for agro-waste saccharification. | polysaccharide hydrolase producing bacteria were isolated for biomass saccharification step in two-step bioethanol production. xylanolytic bacteria were found to be common in ruminant dung. seven bacillus dung isolates exhibited high xylanolytic activity; three of which were identified as bacillus safensis and four as bacillus altitudinis, based on 16s rdna and gyrb gene sequencing. interestingly, comparison of activity profiles for b. safensis m35 and b. altitudinis r31 and j208 crude xylanases ... | 2015 | 25645626 |
| thermophilic fungi as new sources for production of cellulases and xylanases with potential use in sugarcane bagasse saccharification. | to obtain new cellulases and xylanases from thermophilic fungi; evaluate their potential for sugarcane bagasse saccharification. | 2015 | 25644433 |
| saccharomyces cerevisiae transcriptional reprograming due to bacterial contamination during industrial scale bioethanol production. | the bioethanol production system used in brazil is based on the fermentation of sucrose from sugarcane feedstock by highly adapted strains of the yeast saccharomyces cerevisiae. bacterial contaminants present in the distillery environment often produce yeast-bacteria cellular co-aggregation particles that resemble yeast-yeast cell adhesion (flocculation). the formation of such particles is undesirable because it slows the fermentation kinetics and reduces the overall bioethanol yield. | 2015 | 25633848 |
| comparison digestibility and protozoa population of khuzestan water buffalo and holstein cow. | the major aim of this study was to compare the morphology and activity of rumen protozoa of khuzestan water buffalo and holstein cow using in vitro digestibility and gas production parameters of steam treated sugarcane pith. rumen fluid obtained from two buffalo and cow steers fed the same diet, 30:70 concentrate: forage. to separate rumen protozoa, antibiotic solution and fungicides were added to rumen fluid. the results of present experiment indicated that the neutral detergent fiber (ndf; 7.8 ... | 0 | 25610581 |
| [control discourses and power relations of yellow fever: philadelphia in 1793]. | 1793 yellow fever in philadelphia was the most severe epidemics in the late 18th century in the united states. more than 10% of the population in the city died and many people fled to other cities. the cause of yellow fever in the united states had close relationship with slaves and sugar in philadelphia. sugarcane plantation had needed many labors to produce sugar and lots of africans had to move to america as slaves. in this process, aëdes aegypti, the vector of yellow fever had migrated to am ... | 2014 | 25608507 |
| the gyrase inhibitor albicidin consists of p-aminobenzoic acids and cyanoalanine. | albicidin is a potent dna gyrase inhibitor produced by the sugarcane pathogenic bacterium xanthomonas albilineans. here we report the elucidation of the hitherto unknown structure of albicidin, revealing a unique polyaromatic oligopeptide mainly composed of p-aminobenzoic acids. in vitro studies provide further insights into the biosynthetic machinery of albicidin. these findings will enable structural investigations on the inhibition mechanism of albicidin and its assessment as a highly effecti ... | 2015 | 25599532 |
| spatial variability of soil potassium in sugarcane areas subjected to the application of vinasse. | when deposited on land the vinasse can promote improvement in fertility, however, often fertilizer application occurs in areas considered homogeneous, without taking into account the variability of the soil. the objective of this study was to evaluate the effect of vinasse application on potassium content in two classes of soils cultivated with sugarcane, and characterize the spatial variability of soil using geostatistical techniques. in the 2010 and 2011 crop year, soil samples were collected ... | 2014 | 25590735 |
| effect of land use on mayfly assemblages structure in neotropical headwater streams. | the aim of this study was to test the effect of agricultural and forestry land use on the structure of mayfly assemblages in low-order streams. twenty-nine headwater streams were investigated in the state of são paulo. we analyzed 15 streams in pristine areas (mixed tropical rainforest, semideciduous forest and dense tropical rainforest), and 14 streams covered with sugarcane, eucalyptus and pasture. mayfly richness obtained by rarefaction curves was higher in pristine areas (21 genera), especia ... | 2014 | 25590712 |
| determination of halosulfuron-methyl herbicide in sugarcane juice and tomato by capillary electrophoresis-tandem mass spectrometry. | a capillary electrophoresis-tandem mass spectrometry (ce-ms/ms) method for the determination of halosulfuron-methyl (hsu) residue in samples of sugarcane juice and tomato is introduced and validated. the samples were submitted to a quechers extraction procedure followed by electrophoretic separation in nh4hco3 electrolyte (adjusted to ph 8.5) and detection by electrospray-tandem mass spectrometry. the total hsu migration took place in less than 3.5 min, and the detection was accomplished by moni ... | 2015 | 25577054 |
| complete genome sequence of nine isolates of canna yellow streak virus reveals its relationship to the sugarcane mosaic virus (scmv) subgroup of potyviruses. | complete genome sequences were obtained from nine isolates of canna yellow streak virus (caysv). caysv belongs to the sugarcane mosaic virus (scmv) subgroup of potyviruses with johnsongrass mosaic virus (jgmv) as its closest relative. multiple sequence alignments showed a pattern of amino acid substitutions in the cp sequences, which enabled us to relate these isolates to south east asian or european isolates. biological characterization of caysv identified nicotiana benthamiana, chenopodium qui ... | 2015 | 25567205 |
| microencapsulation of alginate-immobilized bagasse with lactobacillus rhamnosus nrrl 442: enhancement of survivability and thermotolerance. | the aim of this research was to enhance the survivability of lactobacillus rhamnosus nrrl 442 against heat exposure via a combination of immobilization and microencapsulation processes using sugarcane bagasse (sb) and sodium alginate (naa), respectively. the microcapsules were synthesized using different alginate concentration of 1, 2 and 3% and naa:sb ratio of 1:0, 1:1 and 1:1.5. this beneficial step of probiotic immobilization before microencapsulation significantly enhanced microencapsulation ... | 2015 | 25563958 |
| simultaneous saccharification and fermentation of delignified lignocellulosic biomass at high solid loadings by a newly isolated thermotolerant kluyveromyces sp. for ethanol production. | simultaneous saccharification and fermentation studies were carried out using thermotolerant newly isolated kluyveromyces sp. with three different delignified lignocellulosic biomass viz. rice straw, wheat straw and sugarcane bagasse at 5-15% solid loading and 6-12 fpu g(-1) substrate enzyme loading for different time intervals 0-72 h at 42°c. maximum ethanol achieved from rice straw, wheat straw and sugarcane bagasse with in-house crude cellulases from aspergillus terreus was 23.23, 18.29 and 1 ... | 2015 | 25553563 |
| biotechnological potential of yeast isolates from cachaça: the brazilian spirit. | this study identified phenotypic traits appropriate for biotechnological applications of 118 yeasts isolated from cachaça distilleries. different properties were verified: capacity to use alternative carbon sources; ability to tolerate high concentrations of sucrose, ethanol, methanol, aluminum and zinc as well as different ph values and foam production. pichia guilliermondii and pichia anomala strains were identified as the most promising ones for application in the second-generation biofuel in ... | 2015 | 25540045 |
| drought tolerance conferred to sugarcane by association with gluconacetobacter diazotrophicus: a transcriptomic view of hormone pathways. | sugarcane interacts with particular types of beneficial nitrogen-fixing bacteria that provide fixed-nitrogen and plant growth hormones to host plants, promoting an increase in plant biomass. other benefits, as enhanced tolerance to abiotic stresses have been reported to some diazotrophs. here we aim to study the effects of the association between the diazotroph gluconacetobacter diazotrophicus pal5 and sugarcane cv. sp70-1143 during water depletion by characterizing differential transcriptome pr ... | 2014 | 25489849 |
| optimization of pretreatment and fermentation conditions for production of extracellular cellulase complex using sugarcane bagasse. | sugarcane bagasse (scb), a lignocellulosic byproduct of juice extraction from sugarcane, is rich in cellulose (40-42%). this could be used as a substrate for the production of cellulase complex. fermentation conditions were optimized for production of cellulase complex (cmcase, cellulobiase and fpase) by wild type trichoderma sp. using sugarcane bagasse as sole carbon source. alkaline treatment (2% naoh) of bagasse (alscb) was found suitable for the production of reducing sugar over the acidic p ... | 2014 | 25489168 |
| hemicellulosic ethanol production by immobilized cells of scheffersomyces stipitis: effect of cell concentration and stirring. | bioconversion of hemicellulosic hydrolysate into ethanol plays a pivotal role in the overall success of biorefineries. for the efficient fermentative conversion of hemicellulosic hydrolysates into ethanol, the use of immobilized cells system could provide the enhanced ethanol productivities with significant time savings. here, we investigated the effect of 2 important factors (e.g., cell concentration and stirring) on ethanol production from sugarcane bagasse hydrolysate using the yeast scheffer ... | 2015 | 25488725 |
| phosphoproteomic analysis of the resistant and susceptible genotypes of maize infected with sugarcane mosaic virus. | protein phosphorylation plays a pivotal role in the regulation of many cellular events. no information is yet available, however, on protein phosphorylation in plants in response to virus infection. in this study, we characterized phosphoproteomes of resistant and susceptible genotypes of maize (zea mays l.) in response to sugarcane mosaic virus (scmv) infection. based on isotope tags for relative and absolute quantification technology, tio2 enrichment method and lc-ms/ms analysis, we identified ... | 2015 | 25488425 |
| abiotic limits for germination of sugarcane seed in relation to environmental spread. | sugarcane is a vegetatively propagated crop and hence the production of seed and its fate in the environment has not been studied. the recent development of genetically modified sugarcane, with the aim of commercial production, requires a research effort to understand sugarcane reproductive biology. this study contributes to this understanding by defining the abiotic limits for sugarcane seed germination. using seed from multiple genetic crosses, germination was measured under different light re ... | 2014 | 25485029 |
| early changes in arbuscular mycorrhiza development in sugarcane under two harvest management systems. | sugarcane (saccharum spp.) is grown on over 8 million ha in brazil and is used to produce ethanol and sugar. some sugarcane fields are burned to facilitate harvesting, which can affect the soil microbial community. however, whether sugarcane pre-harvest burning affects the community of arbuscular mycorrhizal fungi (amf) and symbioses development is not known. in this study, we investigated the early impacts of harvest management on amf spore communities and root colonization in three sugarcane v ... | 2014 | 25477936 |
| a method to estimate the biomass of spirulina platensis cultivated on a solid medium. | this paper presents a method to estimate the biomass of spirulina cultivated on solid medium with sugarcane bagasse as a support, in view of the difficulty in determining biomass concentrations in bioprocesses, particularly those conducted in semi-solid or solid media. the genus spirulina of the family oscillatoriaceae comprises the group of multicellular filamentous cyanobacteria (blue-green microalgae). spirulina is used as fish feed in aquaculture, as a food supplement, a source of vitamins, ... | 2014 | 25477928 |
| production of bioethanol using agricultural waste: banana pseudo stem. | india is amongst the largest banana (musa acuminata) producing countries and thus banana pseudo stem is commonly available agricultural waste to be used as lignocellulosic substrate. present study focuses on exploitation of banana pseudo stem as a source for bioethanol production from the sugars released due to different chemical and biological pretreatments. two fungal strains aspergillus ellipticus and aspergillus fumigatus reported to be producing cellulolytic enzymes on sugarcane bagasse wer ... | 2014 | 25477922 |
| involvement of dopaminergic and cholinergic pathways in the induction of yawning and genital grooming by the aqueous extract of saccharum officinarum l. (sugarcane) in rats. | yawning, associated with genital grooming, is a physiological response that may be used for elucidating the mechanism of action of drugs. preliminary analysis showed that aqueous extract (ae) of saccharum induced yawns in rats. so, we aimed to quantify these behavioral responses and investigate the pharmacological mechanisms involved in these actions. during 120 min, after ae administration, the yawns and the genital grooming were quantified at 10 min intervals. since dopaminergic and cholinergi ... | 2015 | 25459296 |
| development of a reverse transcription loop-mediated isothermal amplification (rt-lamp) assay for the detection of sugarcane mosaic virus and sorghum mosaic virus in sugarcane. | a reverse transcription loop-mediated isothermal amplification (rt-lamp) assay was developed for detecting sugarcane mosaic virus (scmv) and sorghum mosaic virus (srmv) in sugarcane. six sets of four primers corresponding to the conserved coat protein gene were designed and tested for each virus. three primer sets designed for detecting scmv and four for detecting srmv were successful in the rt-lamp assay. the effective primer sets were not only specific for their target virus, but also able to ... | 2015 | 25445794 |
| synthesis, characterization and antimicrobial properties of grafted sugarcane bagasse/silver nanocomposites. | sugarcane bagasse (scb) was grafted with acrylamide (aam) and glycidyl methacrylate (gma) by chemical oxidation method. the effect of monomer/initiator molar ratio, reaction time, reaction temperature and material to liquor ratio on the degree of grafting was investigated. the optimum conditions for grafting were: monomer/initiator molar ratio 1 for aam and 2 for gma, reaction time 4h, reaction temperature 80°c and materials to liquor ratio 1:20. silver nanoparticles (agnps) were prepared and ch ... | 2015 | 25439896 |
| genome sequencing of xanthomonas vasicola pathovar vasculorum reveals variation in plasmids and genes encoding lipopolysaccharide synthesis, type-iv pilus and type-iii secretion effectors. | xanthomonas vasicola pathovar vasculorum (xvv) is the bacterial agent causing gumming disease in sugarcane. here, we compare complete genome sequences for five isolates of xvv originating from sugarcane and one from maize. this identified two distinct types of lipopolysaccharide synthesis gene clusters among xvv isolates: one is similar to that of xanthomonas axonopodis pathovar citri (xac) and is probably the ancestral type, while the other is similar to those of the sugarcane-inhabiting specie ... | 2014 | 25437615 |
| sugarcane (saccharum spp. hybrids). | genetic transformation of sugarcane has a tremendous potential to complement traditional breeding in crop improvement and will likely transform sugarcane into a bio-factory for value-added products. we describe here agrobacterium tumefaciens-mediated transformation of sugarcane. embryogenic callus induced from immature leaf whorls was used as target for transformation with the hypervirulent agrobacterium strain agl1 carrying a constitutive nptii expression cassette in vector ppzp200. selection w ... | 2015 | 25416267 |
| effect of fiber digestibility and conservation method on feed intake and the ruminal ecosystem of growing steers. | fiber digestibility is an important factor regulating dmi in ruminants. additionally, the ensiling process can also affect digestibility and chemical composition of the forage. the objective of this study was to investigate effects of sugarcane ndf digestibility (ndfd) and conservation method on intake, rumen kinetics, and the ruminal ecosystem of steers. eight ruminally cannulated nellore steers (275±22 kg bw) were used in a replicated 4×4 latin square design with a 2×2 factorial arrangement of ... | 2014 | 25414108 |
| a fine-scale phylogenetic analysis of free-living burkholderia species in sugarcane field soil. | the diversity and abundance of burkholderia species in sugarcane field soils were investigated by a 16s rrna gene-based approach using genus-specific primers. a total of 365,721 sequences generated by the illumina miseq platform were assigned to the genus burkholderia. nearly 58% of these sequences were placed in a previously defined cluster, including stinkbug symbionts. quantitative pcr analysis revealed a consistent number of 16s rrna gene copies for burkholderia species (10(7) g(-1) soil) ac ... | 2014 | 25410730 |
| natural aflatoxin uptake by sugarcane (saccharum officinaurum l.) and its persistence in jaggery. | the present study focused on aflatoxin (af) uptake by sugarcanes from contaminated soils, and its persistence in jaggery. analysis of 25 agricultural soil samples from sugarcane growing fields revealed that 80% were found contaminated with af ranging from 0.5 to 22 ppb and all samples harbored aflatoxigenic fungi. forty percent of the juices extracted from sugarcane grown in contaminated soil recorded af ranging from 1.0 to 9.5 ppb. conversely, jaggery prepared from those samples was almost free ... | 2015 | 25408078 |
| validation of a novel sequential cultivation method for the production of enzymatic cocktails from trichoderma strains. | the development of new cost-effective bioprocesses for the production of cellulolytic enzymes is needed in order to ensure that the conversion of biomass becomes economically viable. the aim of this study was to determine whether a novel sequential solid-state and submerged fermentation method (sf) could be validated for different strains of the trichoderma genus. cultivation of the trichoderma reesei rut-c30 reference strain under sf using sugarcane bagasse as substrate was shown to be favorabl ... | 2015 | 25399068 |
| recombination analysis of maize dwarf mosaic virus (mdmv) in the sugarcane mosaic virus (scmv) subgroup of potyviruses. | recombination among rna viruses is a natural phenomenon that appears to have played a significant role in the species development and the evolution of many strains. it also has particular significance for the risk assessment of plants which have been genetically modified for disease resistance by incorporating viral sequences into their genomes. however, the exact recombination events taking place in viral genomes are not investigated in detail for many virus groups. in this analysis, different ... | 2015 | 25392089 |
| [surveillance experience in the sugarcane sector: challenges in disrupting the perilous "marathon" of the sugarcane plantations]. | the sugar-alcohol sector is growing year by year, especially in the state of sao paulo where approximately 42.9% of the sugar-ethanol plants are concentrated. the production chain is a subject for concern to public agencies and to civil society by exposing migrant workers to risks arising from the work process. in sao paulo, from 2006-2009, occupational health surveillance (visat) set up two initiatives to address problems related to the housing and working conditions of sugarcane workers. the o ... | 2014 | 25388174 |
| differential responses of the antioxidant system of ametryn and clomazone tolerant bacteria. | the herbicides ametryn and clomazone are widely used in sugarcane cultivation, and following microbial degradation are considered as soil and water contaminants. the exposure of microorganisms to pesticides can result in oxidative damage due to an increase in the production of reactive oxygen species (ros). this study investigated the response of the antioxidant systems of two bacterial strains tolerant to the herbicides ametryn and clomazone. bacteria were isolated from soil with a long history ... | 2014 | 25380132 |
| genetic diversity and coefficient of parentage between clones and sugarcane varieties in brazil. | the success of the development of new sugarcane varieties is associated with the ability to correctly select the genitor. the aim of this study was to evaluate the genetic diversity between 113 clones and sugarcane varieties using the ward-modified location model procedure with added information about the coefficient of parentage and endogamy. in this study, data was used from 100 experiments that evaluated clones; the experimental phase was conducted in 70 places between the years 2002 and 2009 ... | 2014 | 25366791 |
| use of plant residues on growth of mycorrhizal seedlings of neem (azadirachta indica a. juss.). | owing to its multiple uses in veterinary medicine, biofertilizers, pest control, etc., the commercial cultivation of neem (azadirachta indica) has been increasing in various countries. the use of arbuscular mycorrhizal fungi (amf) and plant by-products (composted leaves and residues of neem and sugarcane) for the propagation of seedlings can be an efficient alternative to stimulate plant growth, reducing the propagation time and conferring increased tolerance of plants to biotic and abiotic stre ... | 2012 | 25363647 |
| [growth-promoting effect of inoculating klebsiella variicola dx120e on different sugarcane cultivars]. | in order to investigate the growth promoting effect of inoculating klebsiella variicola dx120e, a bacterial strain with high activity of associative nitrogen fixation, on sugarcane, the strain was inoculated through roots into the pathogen free micropropagated seedlings of two sugarcane cultivars b8 and gt21. the bacterial numbers colonized in sugarcane plants, the activities of the key enzymes for nitrogen metabolism, the nitrate concentration and nutrient uptake were analyzed. the results indi ... | 2014 | 25345062 |
| nuclear magnetic resonance investigation of water accessibility in cellulose of pretreated sugarcane bagasse. | enzymatic hydrolysis is a crucial step of biomass conversion into biofuels and different pretreatments have been proposed to improve the process efficiency. amongst the various factors affecting hydrolysis yields of biomass samples, porosity and water accessibility stand out due to their intimate relation with enzymes accessibility to the cellulose and hemicellulose fractions of the biomass. in this work, sugarcane bagasse was subjected to acid and alkali pretreatments. the changes in the total ... | 2014 | 25342969 |
| geographic population structure of the sugarcane borer, diatraea saccharalis (f.) (lepidoptera: crambidae), in the southern united states. | the sugarcane borer moth, diatraea saccharalis, is widespread throughout the western hemisphere, and is considered an introduced species in the southern united states. although this moth has a wide distribution and is a pest of many crop plants including sugarcane, corn, sorghum and rice, it is considered one species. the objective was to investigate whether more than one introduction of d. saccharalis had occurred in the southern united states and whether any cryptic species were present. we fi ... | 2014 | 25337705 |
| gluconic acid production from sucrose in an airlift reactor using a multi-enzyme system. | sucrose from sugarcane is produced in abundance in brazil, which provides an opportunity to manufacture other high-value products. gluconic acid (ga) can be produced by multi-enzyme conversion of sucrose using the enzymes invertase, glucose oxidase, and catalase. in this process, one of the byproducts is fructose, which has many commercial applications. this work concerns the batch mode production of ga in an airlift reactor fed with sucrose as substrate. evaluation was made of the influence of ... | 2015 | 25326720 |
| tn5 insertion in the tonb gene promoter affects iron-related phenotypes and increases extracellular siderophore levels in gluconacetobacter diazotrophicus. | tonb-dependent receptors in concert with the tonb-exbb-exbd protein complex are responsible for the uptake of iron and substances such as vitamin b12 in several bacterial species. in this study, tn5 mutagenesis of the sugarcane endophytic bacterium gluconacetobacter diazotrophicus led to the isolation of a mutant with a single tn5-insertion in the promoter region of a tonb gene ortholog. this mutant, named gdiaa31, displayed a reduced growth rate and a lack of response to iron availability when ... | 2015 | 25323530 |
| adsorption characteristics of cellulase and β-glucosidase on avicel, pretreated sugarcane bagasse, and lignin. | although adsorption is an essential step in the enzymatic hydrolysis of lignocellulosic materials, literature reports controversial results in relation to the adsorption of the cellulolitic enzymes on different biomasses/pretreatments, which makes difficult the description of this phenomenon in hydrolysis mathematical models. in this work, the adsorption of these enzymes on avicel and sugarcane bagasse pretreated by the hydrothermal bagasse (hb) and organosolv bagasse (ob) methods was evaluated. ... | 2015 | 25322902 |
| oligomerization, membrane association, and in vivo phosphorylation of sugarcane udp-glucose pyrophosphorylase. | sugarcane is a monocot plant that accumulates sucrose to levels of up to 50% of dry weight in the stalk. the mechanisms that are involved in sucrose accumulation in sugarcane are not well understood, and little is known with regard to factors that control the extent of sucrose storage in the stalks. udp-glucose pyrophosphorylase (ugpase; ec 2.7.7.9) is an enzyme that produces udp-glucose, a key precursor for sucrose metabolism and cell wall biosynthesis. the objective of this work was to gain in ... | 2014 | 25320091 |
| effect of land use on mayfly assemblages structure in neotropical headwater streams. | the aim of this study was to test the effect of agricultural and forestry land use on the structure of mayfly assemblages in low-order streams. twenty-nine headwater streams were investigated in the state of são paulo. we analyzed 15 streams in pristine areas (mixed tropical rainforest, semideciduous forest and dense tropical rainforest), and 14 streams covered with sugarcane, eucalyptus and pasture. mayfly richness obtained by rarefaction curves was higher in pristine areas (21 genera), especia ... | 2014 | 25317730 |
| critical electrolyte concentration of silk gland chromatin of the sugarcane borer diatraea saccharalis, induced using agrochemicals. | the sugarcane borer diatraea saccharalis is widely known as the main pest of sugarcane crop, causing increased damage to the entire fields. measures to control this pest involve the use of chemicals and biological control with cotesia flavipes wasps. in this study, we evaluated the insecticides fipronil (frontline; 0.0025%), malathion (malatol bio carb; 0.4%), cipermetrina (galgotrin; 10%), and neem oil (natuneem; 100%) and the herbicide nicosulfuron (sanson 40 sc; 100%) in the posterior region ... | 2014 | 25299111 |
| genetic diversity among puccinia melanocephala isolates from brazil assessed using simple sequence repeat markers. | brown rust (causal agent puccinia melanocephala) is an important sugarcane disease that is responsible for large losses in yield worldwide. despite its importance, little is known regarding the genetic diversity of this pathogen in the main brazilian sugarcane cultivation areas. in this study, we characterized the genetic diversity of 34 p. melanocephala isolates from 4 brazilian states using loci identified from an enriched simple sequence repeat (ssr) library. the aggressiveness of 3 isolates ... | 2014 | 25299099 |
| formulation of trichoderma sp. sl2 inoculants using different carriers for soil treatment in rice seedling growth. | trichoderma sp. sl2 has been previously reported to enhance rice germination, vigour, growth and physiological characteristics. the use of potato dextrose agar as carrier of trichoderma sp. sl2 inoculant is not practical for field application due to its short shelf life and high cost. this study focuses on the use of corn and sugarcane bagasse as potential carriers for trichoderma sp. sl2 inoculants. | 2014 | 25279323 |
| liquefaction of sugarcane bagasse for enzyme production. | the objective of this paper is to report liquefaction of pretreated and sterilized sugarcane bagasse for enhancing endoglucanase production through submerged fermentation by aspergillus niger. after initial solid state fermentation of steam pretreated bagasse solids by a. niger, fed-batch addition of the substrate to cellulase in buffer over a 12h period, followed by 36h reaction, resulted in a liquid slurry with a viscosity of 0.30±0.07pas at 30% (w/v) solids. addition of a. niger for submerged ... | 2014 | 25265329 |
| sugarcane biomass for biorefineries: comparative composition of carbohydrate and non-carbohydrate components of bagasse and straw. | two fractions of sugarcane, namely bagasse and straw (or trash), were characterized in relation to their chemical composition. bagasse presented values of glucans, hemicelluloses, lignin and ash of 37.74, 27.23, 20.57 and 6.53%, respectively, while straw had 33.77, 27.38, 21.28 and 6.23% of these same components. ash content was relatively high in both cane biomass fractions. bagasse showed higher levels of contaminating oxides while straw had a higher content of alkaline and alkaline-earth oxid ... | 2014 | 25263869 |
| draft genome sequence of xanthomonas axonopodis pathovar vasculorum ncppb 900. | xanthomonas axonopodis pathovar vasculorum strain ncppb 900 was isolated from sugarcane on reunion island in 1960. consistent with its belonging to fatty-acid type d, multi-locus sequence analysis confirmed that ncppb 900 falls within the species x. axonopodis. this genome harbours sequences similar to plasmids pxcv183 from x. campestris pv. vesicatoria 85-10 and pphb194 from burkholderia pseudomallei. its repertoire of predicted effectors includes homologues of xopaa, xopad, xopae, xopb, xopd, ... | 2014 | 25263632 |
| biodegradation of imidacloprid by consortium of two soil isolated bacillus sp. | imidacloprid degradation potential of bacterial cultures from sugarcane growing soils was studied in liquid culture and bacillus aerophilus and bacillus alkalinitrilicus showed maximum potential to degrade imidacloprid. hence, into a clay loam soil imidacloprid was added at 50, 100, and 150 mg kg(-1) along with 45 × 10(7) cells g(-1) soil of both species under autoclaved and unautoclaved conditions. under autoclaved conditions imidacloprid residues were degraded after 56 days to 3.18, 5.83 and 1 ... | 2014 | 25257222 |
| mineral composition of the sugarcane juice and its influence on the ethanol fermentation. | in the present work, we evaluated the mineral composition of three sugarcane varieties from different areas in northeast brazil and their influence on the fermentation performance of saccharomyces cerevisiae. the mineral composition was homogeneous in the different areas investigated. however, large variation coefficients were observed for concentrations of copper, magnesium, zinc and phosphorus. regarding the fermentation performances, the sugarcane juices with the highest magnesium concentrati ... | 2015 | 25248994 |
| ethanol production from agricultural wastes using saccharomyces cerevisiae. | the main objective of this study was production of ethanol from three lignocellulosic biomasses like sugarcane bagasse, rice straw and wheat straw by sacchromyces cervisae. all the three substrates were ground to powder form (2 mm) and pretreated with 3%h2o2 + 2% naoh followed by steaming at 130 °c for 60 min. these substrates were hydrolyzed by commercial cellulase enzyme. the whole fermentation process was carried out in 500 ml erlenmeyer flask under anaerobic conditions in submerged fermentat ... | 2014 | 25242928 |
| optimization of lipids production by cryptococcus laurentii 11 using cheese whey with molasses. | this study aimed the optimization of culture condition and composition for production of cryptococcus laurentii 11 biomass and lipids in cheese whey medium supplemented with sugarcane molasses. the optimization of ph, fermentation time, and molasses concentration according to a full factorial statistical experimental design was followed by a plackett-burman experimental design, which was used to determine whether the supplementation of the culture medium by yeast extract and inorganic salts coul ... | 2014 | 25242919 |
| utilization of molasses and sugar cane bagasse for production of fungal invertase in solid state fermentation using aspergillus niger gh1. | agro-industrial wastes have been used as substrate-support in solid state fermentation for enzyme production. molasses and sugarcane bagasse are by-products of sugar industry and can be employed as substrates for invertase production. invertase is an important enzyme for sweeteners development. in this study, a xerophilic fungus aspergillus niger gh1 isolated of the mexican semi-desert, previously reported as an invertase over-producer strain was used. molasses from mexico and cuba were chemical ... | 2014 | 25242918 |
| exchanging physically effective neutral detergent fiber does not affect chewing activity and performance of late-lactation dairy cows fed corn and sugarcane silages. | the objective of this study was to determine whether replacing the physically effective neutral detergent fiber (pendf) of corn silage with sugarcane silage pendf would affect performance in dairy cows. twenty-four late-lactation holstein cows were assigned to eight 3 × 3 latin squares with 21-d periods. the dietary treatments were (1) 25% pendf of corn silage, (2) 25% pendf of sugarcane silage, and (3) 12.5% pendf of corn silage + 12.5% pendf of sugarcane silage. the physical effectiveness fact ... | 2014 | 25242426 |
| mathematical modeling of a continuous alcoholic fermentation process in a two-stage tower reactor cascade with flocculating yeast recycle. | experiments of continuous alcoholic fermentation of sugarcane juice with flocculating yeast recycle were conducted in a system of two 0.22-l tower bioreactors in series, operated at a range of dilution rates (d 1 = d 2 = 0.27-0.95 h(-1)), constant recycle ratio (α = f r /f = 4.0) and a sugar concentration in the feed stream (s 0) around 150 g/l. the data obtained in these experimental conditions were used to adjust the parameters of a mathematical model previously developed for the single-stage ... | 2015 | 25234511 |
| molecular profiling of systemic acquired resistance (sar)-responsive transcripts in sugarcane challenged with colletotrichum falcatum. | red rot disease of sugarcane caused by colletotrichum falcatum is one of the serious constraints affecting the productivity of the crop. the strategy of employing systemic acquired resistance (sar) against red rot yielded consistently good results at field level. however, elucidation of genes involved in the induction of sar continues to be a challenging area of research for a critical understanding of red rot disease resistance in sugarcane. here, temporal expression of 22 putative defense-rela ... | 2014 | 25234394 |
| allium cepa and tradescantia pallida bioassays to evaluate effects of the insecticide imidacloprid. | the indiscriminate use of pesticides has become a serious environmental concern. of them, imidacloprid (imi) is one of the most widely used worldwide. in 2010 in brazil, 1.934 tonnes of imi were sold and mainly used for sugarcane crops. several studies have examined the toxicity of imi as well as its possible ecological effects. however, few studies have examined its toxicity at the genetic level. this is one of the biggest challenges for the scientific community, which is concerned about the im ... | 2015 | 25225953 |
| molecular characterization of indian sugarcane streak mosaic virus isolates reveals recombination and negative selection in the p1 gene. | sugarcane streak mosaic virus (scsmv), a member of the genus poacevirus is an important viral pathogen affecting sugarcane production in india. the p1 gene of ten indian isolates was sequenced and compared with previously reported scsmv isolates. comparative sequence analysis revealed a high level of diversity in the p1 gene (83-98% nucleotide sequence identity; 87-100% amino acid sequence identity), and the indian scsmv isolates were found to be the most variable (up to 9% diversity at the amin ... | 2014 | 25225126 |
| full-length enriched cdna libraries and orfeome analysis of sugarcane hybrid and ancestor genotypes. | sugarcane is a major crop used for food and bioenergy production. modern cultivars are hybrids derived from crosses between saccharum officinarum and saccharum spontaneum. hybrid cultivars combine favorable characteristics from ancestral species and contain a genome that is highly polyploid and aneuploid, containing 100-130 chromosomes. these complex genomes represent a huge challenge for molecular studies and for the development of biotechnological tools that can facilitate sugarcane improvemen ... | 2014 | 25222706 |
| a fluorescence-based method for cyanate analysis in ethanol/water media: correlation between cyanate presence and ethyl carbamate formation in sugar cane spirit. | based on the fluorescence properties of 2,4-(1h,3h)-quinazolinedione, a product of the reaction between cyanate and 2-aminobenzoic acid, a simple, sensitive, selective, and reproducible method for the cyanate analysis in aqueous ethanolic media is proposed. in this method, λ(exc) and λ(em) are 310 and 410 nm, respectively, and the limits of detection and quantification are 2.2 × 10(-7) and 6.7 × 10(-7) mol/l, respectively. under optimal conditions (ph = 4.5, 40% ethanol), a concentration of 5.0 ... | 2014 | 25220490 |
| variable flocculation profiles of yeast strains isolated from cachaça distilleries. | in cachaça production, the use of yeast cells as starters with predictable flocculation behavior facilitates the cell recovery at the end of each fermentation cycle. therefore, the aim of this work was to explain the behavior of cachaça yeast strains in fermentation vats containing sugarcane through the determination of biochemical and molecular parameters associated with flocculation phenotypes. by analyzing thirteen cachaça yeast strains isolated from different distilleries, our results demons ... | 2014 | 25209588 |
| factors affecting polyhydroxybutyrate accumulation in mesophyll cells of sugarcane and switchgrass. | polyhydroxyalkanoates are linear biodegradable polyesters produced by bacteria as a carbon store and used to produce a range of bioplastics. widespread polyhydroxyalkanoate production in c4 crops would decrease petroleum dependency by producing a renewable supply of biodegradable plastics along with residual biomass that could be converted into biofuels or energy. increasing yields to commercial levels in biomass crops however remains a challenge. previously, lower accumulation levels of the sho ... | 2014 | 25209261 |
| sustainable conversion of coffee and other crop wastes to biofuels and bioproducts using coupled biochemical and thermochemical processes in a multi-stage biorefinery concept. | the environmental impact of agricultural waste from the processing of food and feed crops is an increasing concern worldwide. concerted efforts are underway to develop sustainable practices for the disposal of residues from the processing of such crops as coffee, sugarcane, or corn. coffee is crucial to the economies of many countries because its cultivation, processing, trading, and marketing provide employment for millions of people. in coffee-producing countries, improved technology for treat ... | 2014 | 25204861 |
| a rapid and visual loop-mediated isothermal amplification assay to detect leifsonia xyli subsp. xyli targeting a transposase gene. | leifsonia xyli subsp. xyli (lxx), causal organism of ratoon stunt (rsd), does not produce any reliable internal or external symptoms on sugarcane. its detection on a large scale is solely based on microscopic and serological methods. these methods require well-equipped laboratories, are time consuming and are not feasible for near-field detection of lxx. in this study, we developed a loop-mediated isothermal amplification (lamp) assay for rapid and sensitive detection of lxx without the use of s ... | 2014 | 25201631 |
| complete genome sequence of kosakonia sacchari type strain sp1(t.). | kosakonia sacchari sp. nov. is a new species within the new genus kosakonia, which was included in the genus enterobacter. k sacchari is a nitrogen-fixing bacterium named for its association with sugarcane (saccharum officinarum l.). k sacchari bacteria are gram-negative, aerobic, non-spore-forming, motile rods. strain sp1(t) (=cgmcc1.12102(t)=lmg 26783(t)) is the type strain of the k sacchari sp. nov and is able to colonize and fix n2 in association with sugarcane plants, thus promoting plant g ... | 2014 | 25197499 |
| efficient open fermentative production of polymer-grade l-lactate from sugarcane bagasse hydrolysate by thermotolerant bacillus sp. strain p38. | lactic acid is one of the top 30 potential building-block chemicals from biomass, of which the most extensive use is in the polymerization of lactic acid to poly-lactic-acid (pla). to reduce the cost of pla, the search for cheap raw materials and low-cost process for lactic acid production is highly desired. in this study, the final titer of produced l-lactic acid reached a concentration of 185 g·l(-1) with a volumetric productivity of 1.93 g·l(-1)·h(-1) by using sugarcane bagasse hydrolysate as ... | 2014 | 25192451 |
| application of rna interference methodology to investigate and develop scmv resistance in maize. | specific fragments of the sugarcane mosaic virus (scmv) coat protein gene (cp) were amplified by reverse transcriptionpolymerase chain reaction and used to construct a marker free small interfering rna complex expression vector against scmv. in planta transformation was performed on maize (zea mays) inbred line 8112 mediated by agrobacterium tumefaciens. pcr and southern blot analyses demonstrated successful integration of the cp segment into the 8112 genome. the in planta transformation frequen ... | 2014 | 25189224 |
| optimization of key factors affecting hydrogen production from sugarcane bagasse by a thermophilic anaerobic pure culture. | hydrogen is regarded as an attractive future energy carrier for its high energy content and zero co2 emission. currently, the majority of hydrogen is generated from fossil fuels. however, from an environmental perspective, sustainable hydrogen production from low-cost lignocellulosic biomass should be considered. thermophilic hydrogen production is attractive, since it can potentially convert a variety of biomass-based substrates into hydrogen at high yields. | 2014 | 25184001 |
| antioxidant and nitrite-scavenging capacities of phenolic compounds from sugarcane (saccharum officinarum l.) tops. | sugarcane tops were extracted with 50% ethanol and fractionated by petroleum ether, ethyl acetate (etoac), and n-butyl alcohol successively. eight phenolic compounds in etoac extracts were purified through silica gel and sephadex lh-20 column chromatographies, and then identified by nuclear magnetic resonance and electrospray ionization mass spectra. the results showed that eight phenolic compounds from etoac extracts were identified as caffeic acid, cis-p-hydroxycinnamic acid, quercetin, apigen ... | 2014 | 25162956 |
| effect of sugarcane biopolymer gel injected in rabbit vocal fold. | alterations in the vocal folds that involve volume reduction and glottal closure failure result in exaggerated air escape during speech. for such situations, the use of implants or grafts of different materials has been proposed. | 2017 | 25153106 |