Publications
Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
---|
biodegradation of basic violet 3 by candida krusei isolated from textile wastewater. | basic violet 3 (bv) belongs to the most important group of synthetic colorants and is used extensively in textile industries. it is considered as xenobiotic compound which is recalcitrant to biodegradation. as candida krusei could not use bv as sole carbon source, experiments were conducted to study the effect of cosubstrates on decolorization of bv in semi synthetic medium using glucose, sucrose, lactose, maltose, yeast extract, peptone, urea and ammonium sulphate. maximum decolorization (74%) ... | 2011 | 21479732 |
mutagenic activity of airborne particulate matter (pm(10)) in a sugarcane farming area (araraquara city, southeast brazil). | brazil contains 25% of the total land planted with sugarcane in the world and is thus one of the major producers. the annual burning of sugarcane fields prior to harvesting emits huge amounts of pyrogenic particles. biomass burning is an important primary and secondary source of aerosol particles. the presence of carbonaceous particles in the inhalable size range makes it important to study this fraction in view of the possible effects on human health and the climate. in this study, the mutageni ... | 2011 | 21481367 |
biological control of red rot in sugarcane by native pyoluteorin-producing pseudomonas putida strain nh-50 under field conditions and its potential modes of action. | background: rhizobacteria have a good potential to suppress soilborne diseases, but their efficacy against sugarcane pests is rarely reported. bacterial strains isolated from the rhizosphere of sugarcane were evaluated for their potential to suppress red rot disease on two susceptible varieties, co-1148 and spf-234, under field conditions. the strains were also characterised for the production of secondary metabolites associated with their antagonistic activity. results: one out of four strains, ... | 2011 | 21495154 |
production of sophorolipid glycolipid biosurfactants from sugarcane molasses using starmerella bombicola nbrc 10243. | biosurfactants (bs) are produced by a variety of microorganisms from renewable resources, and have unique properties compared to chemical surfactants. in order to attain efficient production of bs from low-cost materials, we focused our attention on the use of sugarcane molasses. fifteen yeast strains that are known as bs producers were examined for bs productivity from a culture medium consisting of only molasses and water. among the strains tested, only starmerella bombicola nbrc 10243 produce ... | 2011 | 21502725 |
prevalence of plasmid mediated pesticide resistant bacterial assemblages in crop fields. | three crop fields namely paddy sugarcane and tomato exposed to bavistin [methyl (1h-benzimidazol-2-yl) carbomate], monocrotophos[dimethyl(e)-1-methyl-2-(methyl-carbamoyl) vinyl phosphate] and kinado plus [(ez)-2-chloro-3-dimethoxyphosphinoyloxy-x1, x1-diethylbut-2-enamide], respectively were chosen for the present investigation to know the bacterial population and degradation of pesticides. the chemical nature of the soil and water samples from the pesticide contaminated fields was analysed alon ... | 2010 | 21506482 |
injection of air into the headspace improves fermentation of phosphoric acid pretreated sugarcane bagasse by escherichia coli mm170. | microaeration (injecting air into the headspace) improved the fermentation of hemicellulose hydrolysates obtained from the phosphoric acid pretreatment of sugarcane bagasse at 170°c for 10min. in addition, with 10% slurries of phosphoric acid pretreated bagasse (180°c, 10min), air injection into the headspace promoted xylose utilization and increased ethanol yields from 0.16 to 0.20g ethanol/g bagasse dry weight using a liquefaction plus simultaneous saccharification and co-fermentation process ... | 2011 | 21531547 |
molecular analysis of the complete genomic sequences of four isolates of gooseberry vein banding associated virus. | the presence of gooseberry vein banding associated virus (gvbav), a badnavirus in the family caulimoviridae, is strongly correlated with gooseberry vein banding disease in ribes spp. in this study, full-length genomic sequences of four gvbav isolates from different hosts and geographic regions were determined to be 7649-7663 nucleotides. these isolates share identities of 96.4-97.3% for the complete genomic sequence, indicating low genetic diversity among them. the gvbav genome contains three op ... | 2011 | 21533750 |
f(2) screening for resistance to pyramided bacillus thuringiensis maize in louisiana and mississippi populations of diatraea saccharalis (lepidoptera: crambidae). | background: in the mid-southern region of the united states, sugarcane borer, diatraea saccharalis (f.), is a major target pest of transgenic maize expressing bacillus thuringiensis (bt) proteins. novel transgenic maize technologies containing two or more pyramided bt genes for controlling lepidopteran pests have recently become commercially available. insect resistance management (irm) is an important issue in the sustainable use of bt crop technologies. the objective of this study was to deter ... | 2011 | 21538799 |
population genetics of eldana saccharina walker (lepidoptera: pyralidae) and the implications for management using biocontrol. | the african sugarcane stalk borer, eldona saccharina walker (lepidoptera: pyralidae), is widely distributed throughout sub-saharan africa and is an important insect pest of maize and sugarcane. the insect shows significant variation in behaviour, host plant and natural enemy guild in different regions. several attempts to redistribute the natural enemies of e. saccharina from west africa to south africa were unsuccessful. the significant behavioural, host plant and natural enemy variations as we ... | 2010 | 21539263 |
broad distribution and phylogeny of anaerobic endophytes of cluster xiva clostridia in plant species including crops. | endophytic clostridia present on various plants as obligate anaerobes were surveyed by terminal restriction fragment length polymorphism (trflp) analysis specific to the clostridial 16s rrna gene. endophytic clostridia were detected in 10 plant types: sugarcane, cultivated rice, corn, tobacco, soybean, bermuda grass, tall fescue, and three mangrove species. phylogenetically, cluster xiva clostridia were detected more frequently than cluster i clostridia in aerial parts. isolation of clostridia f ... | 2008 | 21558691 |
infection, multiplication and evaluation of the nitrogen-fixing ability of herbaspirillum sp. strain b501gfp1 in sugarcane stems inoculated by the vacuum infiltration method. | the present study was conducted with the aim of finding a suitable delivery method for introducing endophytic bacteria into new sugarcane stalks. stem pieces of cultivars nif8 and ni15 were inoculated with herbaspirillum sp. strain b501gfp1 by the vacuum infiltration method. the inoculated bacteria showed higher levels of nitrogenase activity in cultivar ni15 than nif8. the population density immediately after inoculation (10(7) cfu g [fresh weight](-1)) showed that strain b501gfp1 successfully ... | 2008 | 21558698 |
impact of organic fertilizers with and without chemical fertilizers on soil chemical properties and the establishment of nitrogen-fixing bacteria in the rhizosphere. | effects of organic fertilizers with and without the application of chemical fertilizers for seven years as part of a wheat-pearl millet cropping sequence on soil chemical properties and the establishment of nitrogen fixing bacteria in the rhizosphere were examined. the application of farmyard manure, poultry manure, and sugarcane filter cake alone or in combination with chemical fertilizers improved the soil organic c, total n, p, and k status. larger populations of azotobacter chroococcum and r ... | 2008 | 21558724 |
nitrogen fixation and translocation in young sugarcane (saccharum officinarum l.) plants associated with endophytic nitrogen-fixing bacteria. | the tracer (15)n(2) was used to investigate sites of n(2) fixation and the possible translocation of the fixed n. young sugarcane plants (saccharum officinarum l.) from a stem cutting were exposed to (15)n(2)-labeled air in a 500 ml plastic cylinder. plants fed (15)n(2) for 7 days were grown in normal air for a further chase period. after 21 days, about half of the n originating in the stem cutting had been transported to the shoot and roots, suggesting that the cutting played a role in supplyin ... | 2009 | 21566377 |
cellulases and hemicellulases from endophytic acremonium species and its application on sugarcane bagasse hydrolysis. | the aim of this work was to have cellulase activity and hemicellulase activity screenings of endophyte acremonium species (acremonium zeae ea0802 and acremonium sp. ea0810). both fungi were cultivated in submerged culture (sc) containing l -arabinose, d -xylose, oat spelt xylan, sugarcane bagasse, or corn straw as carbon source. in solid-state fermentation, it was tested as carbon source sugarcane bagasse or corn straw. the highest fpase, endoglucanase, and xylanase activities were produced by a ... | 2011 | 21573756 |
laboratory and field evaluation of metarhizium anisopliae var. anisopliae for controlling subterranean termites. | the efficacy of the metarhizium anisopliae strain arsef 6911 was determined in the laboratory and field against two sugarcane pests, microtermes obesi holmgren and odontotermes obesus rambur (termitidae: isoptera). the susceptibility of both termite species to different conidial suspensions (1 × 10(10), 1 × 10(8), 1 × 10(6) and 1 × 10(4) conidia/ml) was determined in laboratory. all conidial suspensions were able to induce mortality. termite mortality caused by the fungal suspensions was dose de ... | 2011 | 21584407 |
global warming, plant paraquat resistance, and light signal transduction through nucleoside diphosphate kinase as a paradigm for increasing food supply. | light signal transduction was studied in extracts of mycelia of the fungus neurospora crassa, and the third internodes of dark-grown pisum sativum cv alaska. both processes increased the phosphorylation of nucleoside diphosphate kinase (ndpk). ndpk may function as a carrier of reduction equivalents, as it binds nadh, thereby providing electrons to transform singlet oxygen to superoxide by catalases (cat). as the c-termini of ndpk interact with cat which receive singlet oxygen, emitted from photo ... | 2011 | 21603975 |
isolation of pseudozyma churashimaensis sp. nov., a novel ustilaginomycetous yeast species as a producer of glycolipid biosurfactants, mannosylerythritol lipids. | an ustilaginomycetous anamorphic yeast species isolated from the leaves of saccharum officinarum (sugarcane) in okinawa, japan, was identified as a novel pseudozyma species based on morphological and physiological aspects and molecular taxonomic analysis using the d1/d2 domains of the large subunit (26s) rrna gene and the internal transcribed spacer 1 (its1)-5.8s-its2 regions. the name pseudozyma churashimaensis sp. nov. was proposed for the novel species, with jcm 16988(t) as the type strain. i ... | 2011 | 21606002 |
candida middelhoveniana sp. nov., a new yeast species found on the rhizoplane of organically cultivated sugarcane. | a novel yeast species within the metschnikowiaceae is described based on a strain from the sugarcane (saccharum sp.) rhizoplane of an organically managed farm in rio de janeiro, brazil. the d1/d2 domain of the large subunit ribosomal rna gene sequence analysis showed that the closest related species were candida tsuchiyae with 86.2% and candida thailandica with 86.7% of sequence identity. all three are anamorphs in the clavispora opuntiae clade. the name candida middelhoveniana sp. nov. is propo ... | 2011 | 21614495 |
ethanol production by a new pentose-fermenting yeast strain, scheffersomyces stipitis ufmg-imh 43.2, isolated from the brazilian forest. | the ability of a recently isolated scheffersomyces stipitis strain (ufmg-imh 43.2) to produce ethanol from xylose was evaluated. for the assays, a hemicellulosic hydrolysate produced by dilute acid hydrolysis of sugarcane bagasse was used as the fermentation medium. initially, the necessity of adding nutrients (mgso(4) ·7h(2) o, yeast extract and/or urea) to this medium was verified, and the yeast extract supplementation favoured ethanol production by the yeast. then, in a second stage, assays u ... | 2011 | 21626536 |
co-cultivation of mutant penicillium oxalicum sau(e)-3.510 and pleurotus ostreatus for simultaneous biosynthesis of xylanase and laccase under solid-state fermentation. | co-cultivation of mutant penicillium oxalicum sau(e)-3.510 and pleurotus ostreatus mtcc 1804 was evaluated for the production of xylanase-laccase mixture under solid-state fermentation (ssf) condition. growth compatibility between mutant p. oxalicum sau(e)-3.510 and white rot fungi (p. ostreatus mtcc 1804, trametes hirsuta mtcc 136 and pycnoporus sp. mtcc 137) was analyzed by growing them on potato dextrose agar plate. extracellular enzyme activities were determined spectrophotometrically. under ... | 2011 | 21642024 |
optimization of fibrolytic enzyme production by aspergillus japonicus c03 with potential application in ruminant feed and their effects on tropical forages hydrolysis. | fibrolytic enzyme production by aspergillus japonicus c03 was optimized in a medium containing agro-industrial wastes, supplemented with peptone and yeast extract. a 2(3) full factorial composite and response surface methodology were used to design the experiments and analysis of results. tropical forages were hydrolyzed by a. japonicus c03 enzymatic extract in different levels, and they were also tested as enzymatic substrate. optimal production to xylanase was obtained with soybean bran added ... | 2011 | 21647681 |
responses of maize (zea mays l.) near isogenic lines carrying wsm1, wsm2, and wsm3 to three viruses in the potyviridae. | genes on chromosomes six (wsm1), three (wsm2) and ten (wsm3) in the maize (zea mays l.) inbred line pa405 control resistance to wheat streak mosaic virus (wsmv), and the same or closely linked genes control resistance to maize dwarf mosaic virus (mdmv) and sugarcane mosaic virus (scmv). near isogenic lines (nil) carrying one or two of the genes were developed by introgressing regions of the respective chromosomes into the susceptible line oh28 and tested for their responses to wsmv, mdmv, and sc ... | 2011 | 21667271 |
nutrient budgets (c, n and p) and trophic dynamics of a brazilian tropical estuary: barra das jangadas. | this paper focuses on the nutrient dynamics of a tropical estuary on the northeastern brazilian coast, studied using the loicz biogeochemical budgeting protocol. we describe the methodology and assumptions underlying this model. input data (monthly for rainfall, evaporation, river discharge, and concentrations of salt, phosphorus and nitrogen) were obtained during field campaigns in the barra das jangadas estuary (bje) over a 5 years period (1999 to 2003). mass balance results indicate large inp ... | 2011 | 21670871 |
bacillus rhizosphaerae sp. nov., an novel diazotrophic bacterium isolated from sugarcane rhizosphere soil. | a gram-positive, non-pigmented, rod-shaped, diazotrophic bacterial strain, designated sc-n012(t), was isolated from rhizosphere soil of sugarcane and was subjected to a polyphasic taxonomic study. the strain exhibited phenotypic properties that included chemotaxonomic characteristics consistent with its classification in the genus bacillus. sequence analysis of the 16s rrna gene of sc-n012(t) revealed the closest match (98.9% pair wise similarity) with bacillus clausii dsm 8716(t). however, dna- ... | 2011 | 21671194 |
production of bioethanol, methane and heat from sugarcane bagasse in a biorefinery concept. | the potential of biogas production from the residues of second generation bioethanol production was investigated taking into consideration two types of pretreatment: lime or alkaline hydrogen peroxide. bagasse was pretreated, enzymatically hydrolyzed and the wastes from pretreatment and hydrolysis were used to produce biogas. results have shown that if pretreatment is carried out at a bagasse concentration of 4% dm, the highest global methane production is obtained with the peroxide pretreatment ... | 2011 | 21689929 |
phytotherapy in medieval serbian medicine according to the pharmacological manuscripts of the chilandar medical codex (15-16th centuries). | the chilandar medical codex is the most significant and best preserved medieval serbian manuscript and collects together documents on european medical science from the 12th to 15th centuries. it represents the best-known and most complete example of a large collection of medical manuscripts from the salerno-montpellier school, written in the vernacular - something which does not exist among the majority of european nations. this paper presents the section of the codex that deals with phytotherap ... | 2011 | 21708242 |
induction of insect plant resistance to the spittlebug mahanarva fimbriolata stål (hemiptera: cercopidae) in sugarcane by silicon application. | changes in the agroecosystem with the increase of green cane harvesting in brazil affected the insect populations associated to this crop, and secondary pests like the spittlebug mahanarva fimbriolata stål, became much more important. many studies have demonstrated the active role played by silicon in plant defense against herbivory. the objective of this study was to evaluate the effects of silicon applications on the biology of the spittlebug reared on two resistant (sp79-1011 and sp80-1816) a ... | 2013 | 21710035 |
effects of d-003 (10 mg/day) on bone mineral density of the lumbar spine and femoral neck in postmenopausal women: a randomized, double-blinded study. | increased osteoclast activity is a pivotal finding in osteoporosis. this increase is mediated via the mevalonate-to-cholesterol pathway, which is involved in producing the intermediates required for osteoclast activity. d-003, a mixture of high molecular weight sugarcane wax acids, has been shown to inhibit cholesterol synthesis prior to mevalonate production, resulting in a reduction of bone loss and resorption in ovariectomized rats. moreover, previous studies have demonstrated that short-term ... | 2011 | 21716593 |
reuse of sugarcane bagasse ash (scba) to produce ceramic materials. | sugarcane bagasse ash (scba) is a residue resulting from the burning of bagasse in boilers in the sugarcane/alcohol industry. scba has a very high silica concentration and contains aluminum, iron, alkalis and alkaline earth oxides in smaller amounts. in this work, the properties of sintered ceramic bodies were evaluated based on the concentration of scba, which replaced non-plastic material. the ash was mixed (up to 60 wt%) with a clayed raw material that is used to produce roof tiles. prismatic ... | 2011 | 21733619 |
scientific challenges of bioethanol production in brazil. | bioethanol (fuel alcohol) has been produced by industrial alcoholic fermentation processes in brazil since the beginning of the twentieth century. currently, 432 mills and distilleries crush about 625 million tons of sugarcane per crop, producing about 27 billion liters of ethanol and 38.7 million tons of sugar. the production of bioethanol from sugarcane represents a major large-scale technology capable of producing biofuel efficiently and economically, providing viable substitutes to gasoline. ... | 2011 | 21735264 |
production and characterization of a glycolipid biosurfactant, mannosylerythritol lipid b, from sugarcane juice by ustilago scitaminea nbrc 32730. | mannosylerythritol lipids (mels) are glycolipid biosurfactants excreted by fungal strains. they show not only excellent surface-active properties but also versatile biochemical actions. ustilago scitaminea nbrc 32730 has been reported mainly to produce a mono-acetylated and di-acylated mel, mel-b, from sucrose as sole carbon source. in order to make biosurfactant production more efficient, we focused our attention on the use of sugarcane juice, one of the most economical resources. the fungal st ... | 2011 | 21737925 |
high molecular variability of sugarcane bacilliform viruses in guadeloupe implying the existence of at least three new species. | thirty-five unique partial sugarcane bacilliform virus (scbv) sequences extending over 529bp were identified in sugarcane samples from guadeloupe diagnosed by immunocapture-pcr (ic-pcr) using specific badnavirus primers. phylogenetic analysis of these sequences along with the two known genome sequences of sugarcane bacilliform mor virus (scbmv) and sugarcane bacilliform im virus (scbimv) revealed high molecular variability in the scbv genome. seven phylogenetic groups, named a to g, were charact ... | 2011 | 21741419 |
plasmodium falciparum and helminth coinfections among schoolchildren in relation to agro-ecosystems in mvomero district, tanzania. | in sub-saharan africa, some individuals infected with malaria are also infected with helminths. however, the magnitude and distribution of such coinfections in relation to eco-systems remains poorly defined. this study was undertaken to determine the prevalence of plasmodium falciparum and helminth coinfections among schoolchildren in relation to agro-ecosystems in mvomero district, tanzania. | 2011 | 21741929 |
leviserpin: a serine peptidase inhibitor (serpin) from the sugarcane weevil sphenophorus levis. | serine peptidase inhibitors (serpins) form a superfamily of proteins covering abroad spectrum of different biological functions. here we describe the inhibitory characterization of leviserpin, the first serpin from the sugar cane weevil sphenophorus levis. leviserpin was able to inhibit bovine trypsin by the formation of the covalent complex serpin-peptidase, demonstrated by sds-page and mass spectroscopy analysis. we also have determined the cleavage site at the reactive center loop, by the ana ... | 2011 | 21748377 |
poly-lactic acid synthesis for application in biomedical devices - a review. | bioabsorbable polymers are considered a suitable alternative to the improvement and development of numerous applications in medicine. poly-lactic acid (pla,) is one of the most promising biopolymers due to the fact that the monomers may produced from non toxic renewable feedstock as well as is naturally occurring organic acid. lactic acid can be made by fermentation of sugars obtained from renewable resources as such sugarcane. therefore, pla is an eco-friendly product with better features for u ... | 2011 | 21756992 |
lipid production from yarrowia lipolytica po1g grown in sugarcane bagasse hydrolysate. | this study investigated the possibility of utilizing detoxified sugarcane bagasse hydrolysate (dscbh) as an alternative carbon source to culture yarrowia lipolytica po1g for microbial oil and biodiesel production. sugarcane bagasse hydrolysis with 2.5% hcl resulted in maximum total sugar concentration (21.38g/l) in which 13.59g/l is xylose, 3.98g/l is glucose, and 2.78g/l is arabinose. detoxification of scbh by ca(oh)(2) neutralization reduced the concentration of 5-hydroxymethylfurfural and fur ... | 2011 | 21757339 |
effects of soil mechanical resistance on nematode community structure under conventional sugarcane and remaining of atlantic forest. | nematodes present high potential as a biological indicator of soil quality. in this work, it was evaluated relations between soil physical properties and nematode community under sugarcane cropping and remaining of atlantic forest areas in northeastern pernambuco, brazil. soil samples were collected from september to november 2009 along two 200-m transects in both remaining of atlantic forest and sugarcane field at deeps of 0-10, 10-20, 20-30, 30-40, and 40-50 cm. for soil characterization, it w ... | 2012 | 21769561 |
antioxidant and tyrosinase inhibitory constituents from a desugared sugar cane extract, a byproduct of sugar production. | recycling agricultural resources has become an important issue worldwide promoting the economical value of agricultural production processes. desugared sugar cane extract (dse) from saccharum officinarum is a byproduct obtained during sugar production. two new neolignan glucosides, saccharnan a (1) and saccharnan b (2), together with 10 known phenolics (3-12) were isolated from dse, and their structures were elucidated on the basis of nmr spectral analysis. compounds 3, 4, 8, and 9 showed good a ... | 2011 | 21770441 |
development of a low-cost sterilization biological indicator using bacillus atrophaeus by solid-state fermentation. | the production of biological indicators involving bacterial sporulation and multi-step downstream processes has been described. the goal of the present work was to use fermented material as the final product in a biological indicator, thereby reducing processing steps and costs. the performance of three different inexpensive supports (vermiculite, sand, and sugarcane bagasse) was assessed by determining bacillus atrophaeus sporulation during solid-state fermentation and by assessing the direct u ... | 2011 | 21785930 |
chronic consumption of distilled sugarcane spirit induces anxiolytic-like effects in mice. | chronic ethanol consumption is a major public health problem throughout the world. we investigated the anxiolytic-like effects and the possible ever injury induced by the chronic consumption of ethanol or sugarcane spirit in mice. | 2011 | 21789394 |
sugarcane glycoproteins may act as signals for the production of xanthan in the plant-associated bacterium xanthomonas albilineans. | visual symptoms of leaf scald necrosis in sugarcane (saccharum officinarum) leaves develop in parallel to the accumulation of a fibrous material invading exocellular spaces and both xylem and phloem. these fibers are produced and secreted by the plant-associated bacterium xanthomonas albilineans. electron microscopy and specific staining methods for polysaccharides reveal the polysaccharidic nature of this material. these polysaccharides are not present in healthy leaves or in those from disease ... | 2011 | 21791980 |
differential gene expression in sugarcane in response to challenge by fungal pathogen ustilago scitaminea revealed by cdna-aflp. | differential gene expression in sugarcane during sugarcane-ustilago scitaminea interaction was conducted in a smut-resistant genotype. using cdna-aflp along with silver staining, a total of 136 transcript-derived fragments (tdfs) were found to be differentially expressed in response to challenge by u. scitaminea. forty tdfs, 34 newly induced plus six with obvious upregulated expression after infection, were sequenced and validated by rt-pcr analysis. these results demonstrated that the expressio ... | 2011 | 21792273 |
second generation ethanol in brazil: can it compete with electricity production? | much of the controversy surrounding second generation ethanol production arises from the assumed competition with first generation ethanol production; however, in brazil, where bioethanol is produced from sugarcane, sugarcane bagasse and trash will be used as feedstock for second generation ethanol production. thus, second generation ethanol production may be primarily in competition with electricity production from the lignocellulosic fraction of sugarcane. a preliminary technical and economic ... | 2011 | 21795041 |
functional markers for gene mapping and genetic diversity studies in sugarcane. | the database of sugarcane expressed sequence tags (est) offers a great opportunity for developing molecular markers that are directly associated with important agronomic traits. the development of new est-ssr markers represents an important tool for genetic analysis. in sugarcane breeding programs, functional markers can be used to accelerate the process and select important agronomic traits, especially in the mapping of quantitative traits loci (qtl) and plant resistant pathogens or qualitative ... | 2011 | 21798036 |
dissecting the genome of the polyploid crop oilseed rape by transcriptome sequencing. | polyploidy complicates genomics-based breeding of many crops, including wheat, potato, cotton, oat and sugarcane. to address this challenge, we sequenced leaf transcriptomes across a mapping population of the polyploid crop oilseed rape (brassica napus) and representative ancestors of the parents of the population. analysis of sequence variation and transcript abundance enabled us to construct twin single nucleotide polymorphism linkage maps of b. napus, comprising 23,037 markers. we used these ... | 2011 | 21804563 |
differential protein expression in sugarcane during sugarcane-sporisorium scitamineum interaction revealed by 2-de and maldi-tof-tof/ms. | to understand the molecular basis of a specific plant-pathogen interaction, it is important to identify plant proteins that respond to the pathogen attack. two sugarcane varieties, nco376 and ya71-374, were used in this study. by applying 2-dimensional electrophoresis (2-de), the protein expression profile of sugarcane after inoculating with sporisorium scitamineum was analyzed. in total, 23 differentially expressed proteins were identified by maldi-tof-tof/ms. bioinformatics analysis revealed t ... | 2011 | 21822403 |
sugar cane burning pollution and respiratory symptoms in schoolchildren in monte aprazível, southeastern brazil. | to estimate the prevalence of respiratory symptoms and to analyze associated factors as well as peak expiratory flow measurements in schoolchildren. | 2011 | 21829978 |
complete genomic sequence analysis of a highly virulent isolate revealed a novel strain of sugarcane mosaic virus. | sugarcane mosaic virus (scmv) is the most prevalent virus causing maize dwarf mosaic disease in northern china. a scmv isolate, bd8, was obtained from the maize showing dwarf and mosaic symptoms in baoding, china. the complete genomic sequence of bd8 is 9,576 nucleotides (nt) excluding the poly(a) tail. it contains one single open reading frame of 9,192-ánt and encodes a large polyprotein of 3,063-áamino acids (aa), flanked by a 5'-untranslated region (utr) of 148-ánt and a 3'-utr of 236-ánt. th ... | 2011 | 21833715 |
Identification of yeast associated with the planthopper, Perkinsiella saccharicida: potential applications for Fiji leaf gall control. | Yeasts associate with numerous insects, and they can assist the metabolic processes within their hosts. Two distinct yeasts were identified by PCR within the planthopper Perkinsiella saccharicida, the vector of Fiji disease virus to sugarcane. The utility of both microbes for potential paratransgenic approaches to control Fiji leaf gall (FLG) was assessed. Phylogenetic analysis showed one of the microbes is related to yeast-like symbionts from the planthoppers: Laodelphax striatellus, Nilaparvat ... | 2011 | 21850475 |
evaluation of grinding methods for pellets preparation aiming at the analysis of plant materials by laser induced breakdown spectrometry. | it has been demonstrated that laser induced breakdown spectrometry (libs) can be used as an alternative method for the determination of macro (p, k, ca, mg) and micronutrients (b, fe, cu, mn, zn) in pellets of plant materials. however, information is required regarding the sample preparation for plant analysis by libs. in this work, methods involving cryogenic grinding and planetary ball milling were evaluated for leaves comminution before pellets preparation. the particle sizes were associated ... | 2011 | 21872013 |
inference of subgenomic origin of bacs in an interspecific hybrid sugarcane cultivar by overlapping oligonucleotide hybridizations. | sugarcane (saccharum spp.) breeders in the early 20th century made remarkable progress in increasing yield and disease resistance by crossing saccharum spontaneum l., a wild relative, to saccharum officinarum l., a traditional cultivar. modern sugarcane cultivars have approximately 71%-83% of their chromosomes originating from s. officinarum, approximately 10%-21% from s. spontaneum, and approximately 2%-13% recombinant or translocated chromosomes. in the present work, c(0)t-based cloning and se ... | 2011 | 21883018 |
sugarcane biopolymer patch in femoral vein angioplasty on dogs. | to evaluate the use of the sugarcane biopolymer membrane in femoral vein patch angioplasty on dogs. | 2011 | 21890306 |
Cell recycling during repeated very high gravity bio-ethanol fermentations using the industrial Saccharomyces cerevisiae strain PE-2. | A very high gravity (VHG) repeated-batch fermentation system using an industrial strain of Saccharomyces cerevisiae PE-2 (isolated from sugarcane-to-ethanol distillery in Brazil) and mimicking industrially relevant conditions (high inoculation rates and low O(2) availability) was successfully operated during fifteen consecutive fermentation cycles, attaining ethanol at 17.1 ± 0.2% (v/v) with a batch productivity of 3.5 ± 0.04 g l(-1) h(-1). Moreover, this innovative operational strategy (biomass ... | 2012 | 21898130 |
Cellulase production from agricultural residues by recombinant fusant strain of a fungal endophyte of the marine sponge Latrunculia corticata for production of ethanol. | Several fungal endophytes of the Egyptian marine sponge Latrunculia corticata were isolated, including strains Trichoderma sp. Merv6, Penicillium sp. Merv2 and Aspergillus sp. Merv70. These fungi exhibited high cellulase activity using different lignocellulosic substrates in solid state fermentations (SSF). By applying mutagenesis and intergeneric protoplast fusion, we have obtained a recombinant strain (Tahrir-25) that overproduced cellulases (exo-ß-1,4-glucanase, endo-ß-1,4-glucanase and ß-1,4 ... | 2011 | 21898149 |
sugarcane hsp101 is a hexameric chaperone that binds nucleotides. | the clp/hsp100 aaa+ chaperone family is involved in recovering aggregated proteins and little is known about other orthologs of the well studied clpb from escherichia coli and hsp104 from saccharomyces cerevisiae. plant hsp101 is a good model for understanding the relationship between the structure and function of hsp100 proteins and to investigate the role of these chaperones in disaggregation processes. here, we present the cloning and purification of a sugarcane ortholog, shsp101, which is ex ... | 2011 | 21903129 |
Surface carbohydrate analysis and bioethanol production of sugarcane bagasse pretreated with the white rot fungus, Ceriporiopsis subvermispora and microwave hydrothermolysis. | Effects of pretreatments with a white rot fungus, Ceriporiopsis subvermispora, and microwave hydrothermolysis of bagasse on enzymatic saccharification and fermentation were evaluated. The best sugar yield, 44.9 g per 100g of bagasse was obtained by fungal treatments followed by microwave hydrothermolysis at 180°C for 20 min. Fluorescent-labeled carbohydrate-binding modules which recognize crystalline cellulose (CjCBM3-GFP), non-crystalline cellulose (CjCBM28-GFP) and xylan (CtCBM22-GFP) were app ... | 2011 | 21903385 |
Establishment of regeneration and transformation system of sugarcane cultivar GT54-9 (C9). | Plant regeneration protocols for sugarcane GT54-9(C9) cultivar were developed for direct organogenesis and indirect somatic embryogenesis, using young leaf segments as explants by studying the influence of different concentrations and types of cytokinin and auxin hormones. For the callus formation from young leaves, a medium containing 4mg/l 2,4-D was found very effective. For embryo formation, MS medium supplemented with 1mg/l Kin and 0.5 mg/l 2,4-D was used. While in the case of direct organog ... | 2011 | 21912218 |
acquisition and transmission of peanut clump virus by polymyxa graminis on cereal species. | the objective of this study was to investigate the specificity of the interactions between polymyxa graminis, peanut clump virus (pcv), and cereals, particularly the acquisition and the transmission of the virus by three p. graminis formae speciales. a new strategy has been developed: it involves using sugarcane as the common host for both the virus and its vector in order to produce the viruliferous zoospores of p. graminis f. sp. subtropicalis, temperata, and tropicalis that were then inoculat ... | 2011 | 21916623 |
molecular characterization of a new strain of sugarcane streak mosaic virus (scsmv). | the complete nucleotide sequences of three sugarcane streak mosaic virus (scsmv) isolates found in sugarcane plants imported from japan (jp1, jp2) and indonesia (id) into china were determined. sequence analysis showed that, based on the whole genome sequence and the nucleotide sequences encoding the ten mature proteins, the three scsmv isolates shared identities of 81.62%-81.67% and 76.39%-85.93%, respectively, with a pakistan (pak) isolate of scsmv. phylogenetic analysis indicated that scsmv-j ... | 2011 | 21927898 |
Recombinant Gluconacetobacter diazotrophicus containing Cry1Ac gene codes for 130-kDa toxin protein. | Recombinant Gluconacetobacter diazotrophicus containing Cry1Ac gene from Bacillus thuringiensis var. kurstaki borne on pKT230, shuttle vector, was generated. PCR amplification of Cry1Ac gene present in recombinant G. diazotrophicus yielded a 278-bp DNA product. The nitrogenase assay has revealed that the recombinant G. diazotrophicus in sugarcane stem produced similar levels of nitrogenase compared to wild-type G. diazotrophicus. The presence of 130-kDa protein in apoplastic fluid from sugarcane ... | 2011 | 21934327 |
isolation of a gastroprotective arabinoxylan from sugarcane bagasse. | after industrial processing, one-third of sugarcane culms is converted into residual bagasse. the xylan-rich hemicellulose components of the bagasse were extracted with hot aqueous alkali (ax-crude). approximately 82% of the extracted hemicelluloses was precipitated with ethanol (ax-pet). both ax-crude and ax-pet contained an arabinoxylan as confirmed by 13c nmr and methylation analysis. fraction ax-pet was fed to female wistar rats with ethanol-induced gastric lesions. oral administrations of 3 ... | 2011 | 21945160 |
screening and production of ligninolytic enzyme by a marine-derived fungal pestalotiopsis sp. j63. | marine-derived fungi are prone to produce structurally unique secondary metabolites, a considerable number of which display the promising biological properties and/or industrial applications. among those, ligninolytic enzymes have attracted great interest in recent years. in this work, about 20 strains were isolated from sea mud samples collected in the east china sea and then screened for their capacity to produce lignin-degrading enzymes. the results showed that a strain, named j63, had a grea ... | 2011 | 21947763 |
characterization of chloroplast dna microsatellites from saccharum spp and related species. | microsatellites, or simple sequence repeats (ssrs), and their flanking regions in chloroplast genomes (plastomes) of some species of the family poaceae were analyzed in silico to look for dna sequence variations. comparison of the complete chloroplast dna sequences (cpdnas) of sugarcane (saccharum hybrid cv. sp-80-3280 and s. officinarum cv. nco310) and related species, agrostis stolonifera, brachypodium distachyon, hordeum vulgare subsp vulgare, lolium perenne, oryza nivara, o. sativa sub ... | 2011 | 21948764 |
comparative study of the areas of osteochondral defects produced in the femoral condyles of rabbits treated with gel of sugarcane biopolymer. | to measure the healed areas of osteochondral defects produced in femoral condyles of rabbits filled with biopolymer sugar cane gel and to compare these with those of the control group at 90, 120 and 180 days. | 2011 | 21952662 |
holocellulase activity from schizophyllum commune grown on bamboo: a comparison with different substrates. | the natural biodiversity that is found in tropical areas offers countless biotechnological opportunities; especially if we take in account that many biomolecules from several microorganisms have supported for many years, different industrial applications in areas such as pharmacology, agro-industry, bioprocess, environmental technology, and bioconversion. in order to find new lignocellulolytic enzymes and evaluate bamboo fibers as substrate, schizophyllum commune a fungus with broad distribution ... | 2011 | 21964940 |
use of sugarcane molasses "b" as an alternative for ethanol production with wild-type yeast saccharomyces cerevisiae itv-01 at high sugar concentrations. | molasses "b" is a rich co-product of the sugarcane process. it is obtained from the second step of crystallization and is richer in fermentable sugars (50-65%) than the final molasses, with a lower non-sugar solid content (18-33%); this co-product also contains good vitamin and mineral levels. the use of molasses "b" for ethanol production could be a good option for the sugarcane industry when cane sugar prices diminish in the market. in a complex medium like molasses, osmotolerance is a desirab ... | 2011 | 21971607 |
sugarcane improvement: how far can we go? | in recent years, efforts to improve sugarcane have focused on the development of biotechnology for this crop. it has become clear that sugarcane lacks tools for the biotechnological route of improvement and that the initial efforts in sequencing ests had limited impact for breeding. until recently, the models used by breeders in statistical genetics approaches have been developed for diploid organisms, which are not ideal for a polyploid genome such as that of sugarcane. breeding programs are de ... | 2012 | 21983270 |
a comparative study of ph modulation and trace elements of various fruit juices on enamel erosion: an in vitro study. | fruit juices are popular worldwide with children of all ages as they are sweet and perceived to be healthful. this in vitro study was sought to measure ph of 10 different fruit juices, to find out possible erosive effects on human dental enamel of 40 extracted sound premolars and also to measure fluoride and trace elements of these juices. the estimation of ph of fruit juices was done by using systronic uph 362 ph meter. the erosive effects of fruit juices were tested by using polarized light mi ... | 2011 | 21985876 |
down regulation of a gene for cadherin, but not alkaline phosphatase, associated with cry1ab resistance in the sugarcane borer diatraea saccharalis. | the sugarcane borer, diatraea saccharalis, is a major target pest of transgenic corn expressing bacillus thuringiensis (bt) proteins (i.e., cry1ab) in south america and the mid-southern region of the united states. evolution of insecticide resistance in such target pests is a major threat to the durability of transgenic bt crops. understanding the pests' resistance mechanisms will facilitate development of effective strategies for delaying or countering resistance. alterations in expression of c ... | 2011 | 21991350 |
efficient conversion of sugarcane stalks into ethanol employing low temperature alkali pretreatment method. | an alternative route for bio-ethanol production from sugarcane stalks (juice and bagasse) featuring a previously reported low temperature alkali pretreatment method was evaluated. test-tube scale pretreatment-saccharification experiments were carried out to determine optimal lta pretreatment conditions for sugarcane bagasse with regard to the efficiency of enzymatic hydrolysis of the cellulose. free fermentable sugars and bagasse recovered from 2 kg of sugarcane stalks were jointly converted int ... | 2011 | 22000967 |
the actinobacterium microbacterium sp. 16sh accepts pbbr1-based pprobe vectors, forms biofilms, invades roots, and fixes n(2) associated with micropropagated sugarcane plants. | members of the genus microbacterium lineage of gram-positive actinobacteria are increasingly being reported to display significant traits associated with environmental biotechnology and bioengineering. 16sh is a nitrogen-fixing bacterial strain isolated from a surface-sterilized stem of sugarcane grown in guangxi, china. analysis of 16s rrna gene sequences revealed that 16sh belonged to the genus microbacterium. pprobe-ptet(r) plasmids were constructed by cloning the promoter region of the tet ... | 2011 | 22002067 |
transcriptome analysis of aspergillus niger grown on sugarcane bagasse. | abstract: | 2011 | 22008461 |
isomaltulose is actively metabolized in plant cells. | isomaltulose is a structural isomer of sucrose (suc). it has been widely used as a nonmetabolized sugar in physiological studies aimed at better understanding the regulatory roles and transport of sugars in plants. it is increasingly used as a nutritional human food, with some beneficial properties including low glycemic index and acariogenicity. cloning of genes for suc isomerases opened the way for direct commercial production in plants. the understanding that plants lack catabolic capabilitie ... | 2011 | 22010106 |
influence of nutritional and environmental factors on ethanol and endopolygalacturonase co-production by kluyveromyces marxianus ccebi 2011. | ethanol and endopolygalacturonase (endopg) are simultaneously produced by the yeast kluyveromyces marxianus ccebi 2011. the aim of this study was to determine the optimal combination of seven environmental and nutritional variables, as well as the influence of each one, with respect to the fermentation process in yeast cultures in which sugarcane juice was the substrate. simplex sequential optimization showed that after 15 runs the optimal conditions were: ph, 4.6; temperature, 31 ºc; total redu ... | 2011 | 22015701 |
integrated versus stand-alone second generation ethanol production from sugarcane bagasse and trash. | ethanol production from lignocellulosic materials is often conceived considering independent, stand-alone production plants; in the brazilian scenario, where part of the potential feedstock (sugarcane bagasse) for second generation ethanol production is already available at conventional first generation production plants, an integrated first and second generation production process seems to be the most obvious option. in this study stand-alone second generation ethanol production from surplus su ... | 2012 | 22019267 |
production of succinic acid from sucrose and sugarcane molasses by metabolically engineered escherichia coli. | sucrose-utilizing genes (csckb and csca) from escherichia coli ko11 were cloned and expressed in a metabolically engineered e. coli kj122 to enhance succinate production from sucrose. kj122 harboring a recombinant plasmid, pkjsuc, was screened for the efficient sucrose utilization by growth-based selection and adaptation. kj122-pkjsuc-24t efficiently utilized sucrose in a low-cost medium to produce high succinate concentration with less accumulation of by-products. succinate concentrations of 51 ... | 2012 | 22023966 |
[cloning and expression pattern of a zinc finger protein gene shsap1 in saccharum officinarum]. | in plants, proteins with a20/an1 zinc finger domain are involved in stress responses, named as "stress associated protein" (sap) gene family. based on expressed sequence tag (est) sequences information in badila saccharum officinarum mature related cdna library, we cloned an sap gene from sugarcane full length cdna library, named shsap1 (genbank: accession no. hm991960). to characterize shsap1, we analyzed its genome structure and expression pattern. southern blot analysis showed shsap1 was pres ... | 2011 | 22034815 |
Diversity of 16S rRNA genes from bacteria of sugarcane rhizosphere soil. | Sugarcane is an important agricultural product of Brazil, with a total production of more than 500 million tons. Knowledge of the bacterial community associated with agricultural crops and the soil status is a decisive step towards understanding how microorganisms influence crop productivity. However, most studies aim to isolate endophytic or rhizosphere bacteria associated with the plant by culture-dependent approaches. Culture-independent approaches allow a more comprehensive view of entire ba ... | 2011 | 22042267 |
Developing a sustainable phytomanagement strategy for excessive selenium in western United States and India. | Phytomanagement technology is recognized as an inexpensive and environmental friendly strategy for managing natural-occurring selenium (Se) in soils and in poor quality waters. Multi-year field and greenhouse studies were conducted with different plant species in California, USA and Punjab, India under high Se growing conditions. Some of the plant species included; canola (Brassica napus), mustard (B. juncea), broccoli (B. oleracea), spearmint (Mentha viridis), sugarcane (Saccharum officcinarum) ... | 2011 | 22046761 |
Ethanol production by continuous fermentation of d-(+)-cellobiose, d-(+)-xylose and sugarcane bagasse hydrolysate using the thermoanaerobe Caloramator boliviensis. | The recently isolated anaerobic bacterium Caloramator boliviensis with an optimum growth temperature of 60°C can efficiently convert hexoses and pentoses into ethanol. When fermentations of pure sugars and a pentose-rich sugarcane bagasse hydrolysate were carried out in a packed bed reactor with immobilized cells of C. boliviensis, more than 98% of substrates were converted. Ethanol yields of 0.40-0.46g/g of sugar were obtained when sugarcane bagasse hydrolysate was fermented. These features rev ... | 2012 | 22055102 |
microbial diversity in the larval gut of field and laboratory populations of the sugarcane weevil sphenophorus levis (coleoptera, curculionidae). | the sugarcane weevil, sphenophorus levis, is a wide-spread sugarcane pest in brazil. sphenophorus levis may depend on microorganisms that inhabit its intestinal tract. we examined the diversity of the gut microbiota of s. levis, which was characterized using culture-dependent and culture-independent methods. analysis of 16s rrna amplified directly from the gut community revealed the presence of 14 genera, one group from the candidatus category, one uncultured group assigned to the family f ... | 2011 | 22057964 |
integrated ecological risk assessment of pesticides in tropical ecosystems: a case study with carbofuran in brazil. | the aim of the present study is to contribute an ecologically relevant assessment of the ecotoxicological effects of pesticide applications in agricultural areas in the tropics, using an integrated approach with information gathered from soil and aquatic compartments. carbofuran, an insecticide/nematicide used widely on sugarcane crops, was selected as a model substance. to evaluate the toxic effects of pesticide spraying for soil biota, as well as the potential indirect effects on aquatic biota ... | 2012 | 22068639 |
Molecular Identification of Fusarium Species in Gibberella fujikuroi Species Complex from Rice, Sugarcane and Maize from Peninsular Malaysia. | The objective of this study was to identify Fusarium species in the Gibberella fujikuroi species complex from rice, sugarcane and maize as most of the Fusarium species in the species complex are found on the three crops. Isolates used were collected from the field and obtained from culture collection. The Fusarium isolates were initially sorted based on morphology and identifications confirmed based on the DNA sequence of the translation elongation factor 1-a (TEF-1a) gene. Based on the closest ... | 2011 | 22072914 |
hydrothermal pretreatment of sugarcane bagasse using response surface methodology improves digestibility and ethanol production by ssf. | sugarcane bagasse was characterized as a feedstock for the production of ethanol using hydrothermal pretreatment. reaction temperature and time were varied between 160 and 200°c and 5-20 min, respectively, using a response surface experimental design. the liquid fraction was analyzed for soluble carbohydrates and furan aldehydes. the solid fraction was analyzed for structural carbohydrates and klason lignin. pretreatment conditions were evaluated based on enzymatic extraction of glucose and xylo ... | 2011 | 22080307 |
functional characterization of sugarcane myb transcription factor gene promoter (pscmybas1) in response to abiotic stresses and hormones. | the sugarcane (saccharum officinarum) stress-related myb transcription factor gene, scmybas1, demonstrated induced response to water deficit and salt stress in our previous study. to elucidate its stress tolerance mechanism at the transcriptional level, we isolated and characterized the promoter (pscmybas1, 1,033 bp) flanking the 5' scmybas1 coding region from the sugarcane genome. a series of pscmybas1 deletion derivatives from the transcription start site (-56, -152, -303, -442, -613, -777, -8 ... | 2011 | 22083650 |
genetically modified sugarcane for bioenergy generation. | sugarcane breeding has significantly progressed over the past 30 years, but attempts to further increase crop yield have been limited due to the complexity of the sugarcane genome. an alternative to boost the crop yield is the introduction of genes encoding desirable traits in the elite sugarcane cultivars. genetically modified sugarcane with increased yield and pest and disease resistance has already proven its value not only by the increased sugar content but also for the improvement of the cr ... | 2012 | 22093808 |
Recombinant expression, localization and in vitro inhibition of midgut cysteine peptidase (Sl-CathL) from sugarcane weevil, Sphenophorus levis. | A cDNA coding for a digestive cathepsin L, denominated Sl-CathL, was isolated from a cDNA library of Sphenophorus levis larvae, representing the most abundant EST (10.49%) responsible for proteolysis in the midgut. The open reading frame of 972bp encodes a preproenzyme similar to midgut cathepsin L-like enzymes in other coleopterans. Recombinant Sl-CathL was expressed in Pichia pastoris, with molecular mass of about 42kDa. The recombinant protein was catalytically activated at low pH and the mat ... | 2012 | 22100428 |
Enzymatic hydrolysis and simultaneous saccharification and fermentation of alkali/peracetic acid-pretreated sugarcane bagasse for ethanol and 2,3-butanediol production. | The enzymatic digestibility of alkali/peracetic acid (PAA)-pretreated bagasse was systematically investigated. The effects of initial solid consistency, cellulase loading and addition of supplemental ß-glucosidase on the enzymatic conversion of glycan were studied. It was found the alkali-PAA pulp showed excellent enzymatic digestibility. The enzymatic glycan conversion could reach about 80% after 24 h incubation when enzyme loading was 10 FPU/g solid. Simultaneous saccharification and fermentat ... | 2011 | 22112569 |
chemical and morphological characterization of sugarcane bagasse submitted to a delignification process for enhanced enzymatic digestibility. | in recent years, biorefining of lignocellulosic biomass to produce multi-products such as ethanol and other biomaterials has become a dynamic research area. pretreatment technologies that fractionate sugarcane bagasse are essential for the successful use of this feedstock in ethanol production. in this paper, we investigate modifications in the morphology and chemical composition of sugarcane bagasse submitted to a two-step treatment, using diluted acid followed by a delignification process with ... | 2011 | 22122978 |
Conceptual design of cost-effective and environmentally-friendly configurations for fuel ethanol production from sugarcane by knowledge-based process synthesis. | In this work, the hierarchical decomposition methodology was used to conceptually design the production of fuel ethanol from sugarcane. The decomposition of the process into six levels of analysis was carried out. Several options of technological configurations were assessed in each level considering economic and environmental criteria. The most promising alternatives were chosen rejecting the ones with a least favorable performance. Aspen Plus was employed for simulation of each one of the tech ... | 2012 | 22137752 |
chemical composition and enzymatic digestibility of sugarcane clones selected for varied lignin content. | the recalcitrance of lignocellulosic materials is a major limitation for their conversion into fermentable sugars. lignin depletion in new cultivars or transgenic plants has been identified as a way to diminish this recalcitrance. in this study, we assessed the success of a sugarcane breeding program in selecting sugarcane plants with low lignin content, and report the chemical composition and agronomic characteristics of eleven experimental hybrids and two reference samples. the enzymatic diges ... | 2011 | 22145819 |
quantitative proteomic analysis of lignocellulolytic enzymes by phanerochaete chrysosporium on different lignocellulosic biomass. | lignocellulosic biomass from agricultural crop residues and forest waste represents an abundant renewable resource for bioenergy and future biofuel. the current bottleneck of lignocellulosic biofuel production is the hydrolysis of biomass to sugar. to understand the enzymatic hydrolysis of complex biomasses, in this report, lignocellulolytic enzymes secretion by phanerochaete chrysosporium cultivated in different natural lignocellulosic biomass such as corn stover, hay, sawdust, sugarcane baggas ... | 2011 | 22146477 |
poly(3-hydroxybutyrate) production by bacillus cereus spv using sugarcane molasses as the main carbon source. | the main hindrance in the use of polyhydroxyalkanoates (phas) as a replacement for existing petroleum-based plastics is their high production cost. the carbon source accounts for 50% of the cost for pha production. thus, increasing the yield and productivity of phas on cheap substrates is an important challenge for biotechnologists to support the commercialization and further applications of these polymers. in this study, we have investigated the use of an agricultural raw material, sugarcane mo ... | 2011 | 22147642 |
a mixed model qtl analysis for sugarcane multiple-harvest-location trial data. | sugarcane-breeding programs take at least 12 years to develop new commercial cultivars. molecular markers offer a possibility to study the genetic architecture of quantitative traits in sugarcane, and they may be used in marker-assisted selection to speed up artificial selection. although the performance of sugarcane progenies in breeding programs are commonly evaluated across a range of locations and harvest years, many of the qtl detection methods ignore two- and three-way interactions between ... | 2012 | 22159754 |
multitemporal observations of sugarcane by terrasar-x images. | the objective of this study is to investigate the potential of terrasar-x (x-band) in monitoring sugarcane growth on reunion island (located in the indian ocean). multi-temporal terrasar data acquired at various incidence angles (17°, 31°, 37°, 47°, 58°) and polarizations (hh, hv, vv) were analyzed in order to study the behaviour of sar (synthetic aperture radar) signal as a function of sugarcane height and ndvi (normalized difference vegetation index). the potential of terrasar for mapping the ... | 2010 | 22163387 |
life table studies of elasmopalpus lignosellus (lepidoptera: pyralidae) on sugarcane. | the lesser cornstalk borer, elasmopalpus lignosellus (zeller) (lepidoptera: pyralidae) is an important pest of sugarcane (a complex hybrid of saccharum spp.) in southern florida. reproductive and life table parameters for e. lignosellus were examined at nine constant temperatures from 13 to 36 °c with sugarcane as the larval food source. the pre- and postoviposition periods decreased with increasing temperatures and reached their minimums at 33 and 36 °c, respectively. the oviposition period was ... | 2010 | 22182570 |
short communication: nutrient utilization of fresh sugarcane-based diets with slow-release nonprotein nitrogen addition for control-fed dairy heifers. | an experiment was conducted to determine the effect of replacing soybean protein (sbm) with a slow-release urea (sr-u) in control-fed dairy heifers in the tropics. eight holstein heifers (237.6±5.45 kg of body weight) were allocated to 2 treatments in a crossover design. treatments were control (sbm) and sr-u (optigen ii; alltech inc., nicholasville, ky). the forage-to-concentrate ratio was 50:50 [dry matter (dm) basis], and fresh chopped sugarcane was the sole source of forage. data were analyz ... | 2012 | 22192216 |
Continuous two stage acetone-butanol-ethanol fermentation with integrated solvent removal using Clostridium acetobutylicum B 5313. | The objective of this study was to optimize continuous acetone-butanol-ethanol (ABE) fermentation using a two stage chemostat system integrated with liquid-liquid extraction of solvents produced in the first stage. This minimized end product inhibition by butanol and subsequently enhanced glucose utilization and solvent production in continuous cultures of Clostridium acetobutylicum B 5313. During continuous two-stage ABE fermentation, sugarcane bagasse was used as the cell holding material for ... | 2011 | 22197332 |
Epiphytic pink-pigmented methylotrophic bacteria enhance germination and seedling growth of wheat (Triticum aestivum) by producing phytohormone. | Methylotrophic bacteria were isolated from the phyllosphere of different crop plants such as sugarcane, pigeonpea, mustard, potato and radish. The methylotrophic isolates were differentiated based on growth characteristics and colony morphology on methanol supplemented ammonium mineral salts medium. Amplification of the mxaF gene helped in the identification of the methylotrophic isolates as belonging to the genus Methylobacterium. Cell-free culture filtrates of these strains enhanced seed germi ... | 2011 | 22200783 |
sugarcane genes differentially expressed in response to puccinia melanocephala infection: identification and transcript profiling. | brown rust caused by the fungus puccinia melanocephala is a major disease of sugarcane (saccharum spp.). a sugarcane mutant, obtained by chemical mutagenesis of the susceptible variety b4362, showed a post-haustorial hypersensitive response (hr)-mediated resistance to the pathogen and was used to identify genes differentially expressed in response to p. melanocephala via suppression subtractive hybridization (ssh). tester cdna was derived from the brown rust-resistant mutant after inoculation wi ... | 2012 | 22212461 |