Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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| effective pretreatment of sugarcane bagasse with combination pretreatment and its hydrolyzates as reaction media for the biosynthesis of ethyl (s)-4-chloro-3-hydroxybutanoate by whole cells of e. coli cczu-k14. | in this study, sugarcane bagasse (sb) was pretreated with combination pretreatment (e.g., sequential koh extraction and ionic liquid soaking, sequential koh extraction and fenton soaking, or sequential koh extraction and glycerol soaking). after the enzymatic hydrolysis of pretreated sbs, it was found that all these three concentrated hydrolyzates could be used for the asymmetric bioreduction of ethyl 4-chloro-3-oxobutanoate (cobe) into ethyl (s)-4-chloro-3-hydroxybutanoate [(s)-chbe]. compared ... | 2016 | 27060248 |
| raoultella sp. strain l03 fixes n2 in association with micropropagated sugarcane plants. | n2 -fixing bacteria belonging to the genus raoultella of the family enterobacteriaceae are widely associated with plants. raoultella sp. strain l03 was isolated from surface-sterilized sugarcane roots. in this study, we inoculated the strain l03 to microbe-free micropropagated plantlets of the main sugarcane cultivar roc22 grown in guangxi, china and determined n2 -fixation and association between strain l03 and sugarcane plants. inoculation of strain l03 increased plant biomass, total n, n conc ... | 2016 | 27059698 |
| belowground ecology of scarabs feeding on grass roots: current knowledge and future directions for management in australasia. | many scarab beetles spend the majority of their lives belowground as larvae, feeding on grass roots. many of these larvae are significant pests, causing damage to crops and grasslands. damage by larvae of the greyback cane beetle (dermolepida albohirtum), for example, can cause financial losses of up to au$40 million annually to the australian sugarcane industry. we review the ecology of some scarab larvae in australasia, focusing on three subfamilies; dynastinae, rutelinae, and melolonthinae, c ... | 2016 | 27047506 |
| activated carbon from pyrolysed sugarcane bagasse: silver nanoparticle modification and ecotoxicity assessment. | activated carbon from pyrolysed sugarcane bagasse (acpb) presented pore size ranges from 1.0 to 3.5nm, and surface area between 1200 and 1400m(2)g(-1) that is higher than commonly observed to commercial activated carbon. the acpb material was successfully loaded with of silver nanoparticles with diameter around 35nm (0.81wt.%). x-ray photoelectron spectroscopy (xps) analyses showed that the material surface contains metallic/ag(0) (93.60wt.%) and ionic/ag(+) states (6.40wt.%). the adsorption cap ... | 2016 | 27039274 |
| a strain of meyerozyma guilliermondii isolated from sugarcane juice is able to grow and ferment pentoses in synthetic and bagasse hydrolysate media. | the search for new microbial strains that are able to withstand inhibitors released from hemicellulosic hydrolysis and are also still able to convert sugars in ethanol/xylitol is highly desirable. a yeast strain isolated from sugarcane juice and identified as meyerozyma guilliermondii was evaluated for the ability to grow and ferment pentoses in synthetic media and in sugarcane bagasse hydrolysate. the yeast grew in xylose, arabinose and glucose at the same rate at an initial medium ph of 5.5. a ... | 2016 | 27038950 |
| development and application of a rapid and visual loop-mediated isothermal amplification for the detection of sporisorium scitamineum in sugarcane. | smut is a fungal disease with widespread prevalence in sugarcane planting areas. early detection and proper identification of sporisorium scitamineum are essential in smut management practices. in the present study, four specific primers targeting the core effector pep1 gene of s. scitamineum were designed. optimal concentrations of mg(2+), primer and bst dna polymerase, the three important components of the loop-mediated isothermal amplification (lamp) reaction system, were screened using a sin ... | 2016 | 27035751 |
| thermal decomposition of sugarcane straw, kinetics and heat of reaction in synthetic air. | the aim of this work was to analyze the thermal decomposition, kinetics and heat of reaction of sugarcane straw in synthetic air by thermogravimetry (tg) and differential scanning calorimetry (dsc). the tg and dsc experiments were carried out using heating rates of 2.5°c/min, 5°c/min, and 10°c/min, and particle diameter of 0.250mm. in the study of the smoldering reaction were identified three consecutive stages, drying, oxidative pyrolysis, and combustion. thus, the kinetic pathway was composed ... | 2016 | 27019126 |
| biochemical production of bioenergy from agricultural crops and residue in iran. | the present study assessed the potential for biochemical conversion of energy stored in agricultural waste and residue in iran. the current status of agricultural residue as a source of bioenergy globally and in iran was investigated. the total number of publications in this field from 2000 to 2014 was about 4294. iran ranked 21st with approximately 54 published studies. a total of 87 projects have been devised globally to produce second-generation biofuel through biochemical pathways. there are ... | 2016 | 27012716 |
| proteomic profile of hemolymph and detection of induced antimicrobial peptides in response to microbial challenge in diatraea saccharalis (lepidoptera: crambidae). | insects are organisms extremely well adapted to diverse habitats, primarily due to their innate immune system, which provides them with a range of cellular and humoral responses against microorganisms. lepidoptera hemolymph proteins involved in humoral responses are well known; however, there is a lack of knowledge about the sugarcane borer diatraea saccharalis. in this present work, the hemolymph proteins of this pest insect were studied by applying proteomic methodologies. two-dimensional elec ... | 2016 | 27012208 |
| relationship of soil properties and sugarcane yields to red stripe in louisiana. | symptoms of red stripe disease caused by acidovorax avenae subsp. avenae in louisiana between 1985 and 2010 were limited to the leaf stripe form, which caused no apparent yield loss. during 2010, the more severe top rot form was observed, and a study was initiated to investigate the distribution of red stripe in the field and determine its effects on cane and sugar yields. soil properties data, red stripe incidence, and sugarcane yields were all highly variable and were not randomly distributed ... | 2016 | 27003508 |
| exogenous nitric oxide improves sugarcane growth and photosynthesis under water deficit. | nitric oxide (no)-mediated redox signaling plays a role in alleviating the negative impact of water stress in sugarcane plants by improving root growth and photosynthesis. drought is an environmental limitation affecting sugarcane growth and yield. the redox-active molecule nitric oxide (no) is known to modulate plant responses to stressful conditions. no may react with glutathione (gsh) to form s-nitrosoglutathione (gsno), which is considered the main reservoir of no in cells. here, we investig ... | 2016 | 27002974 |
| cobalt internal standard for ni to assist the simultaneous determination of mo and ni in plant materials by high-resolution continuum source graphite furnace atomic absorption spectrometry employing direct solid sample analysis. | a new method is proposed for the simultaneous determination of mo and ni in plant materials by high-resolution continuum source graphite furnace atomic absorption spectrometry (hr-cs gfaas), employing direct solid sample analysis (dss) and internal standardization (is). cobalt was used as internal standard to minimize matrix effects during ni determinations, enabling the use of aqueous standards for calibration. correlation coefficients for the calibration curves were typically better than 0.993 ... | 2016 | 26992542 |
| erratum for fontana et al., genome sequence of acidovorax avenae strain t10_61 associated with sugarcane red stripe in argentina. | 2016 | 26988059 | |
| molecular variability and distribution of sugarcane mosaic virus in shanxi, china. | sugarcane mosaic virus (scmv) is responsible for large-scale economic losses in the global production of sugarcane, maize, sorghum, and some other graminaceous species. to understand the evolutionary mechanism of scmv populations, this virus was studied in shanxi, china. a total of 86 maize leaf samples (41 samples in 2012 and 45 samples in 2013) were collected from 4 regions of shanxi. | 2016 | 26987060 |
| characterization of a sorghum mosaic virus (srmv) isolate in china. | sorghum mosaic virus (srmv), a causal agent of the destructive sugarcane mosaic disease, has a global presence. an isolate of srmv infecting a commercially-grown sugarcane plant was recovered from the hainan province of china. the virions were visualized by an electron microscope, and the coat proteins (cps) were sequenced by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and tandem mass spectrometry. discrepancies between the cp predicted and actual amino acid sequ ... | 2016 | 26981005 |
| genomic variability and molecular evolution of asian isolates of sugarcane streak mosaic virus. | sugarcane streak mosaic virus (scsmv), an economically important causal agent of mosaic disease of sugarcane, is a member of the newly created genus poacevirus in the family potyviridae. in this study, we report the molecular characterization of three new scsmv isolates from china (yn-yz211 and hn-yz49) and myanmar (mya-formosa) and their genetic variation and phylogenetic relationship to scsmv isolates from asia and the type members of the family potyviridae. the complete genome of each of the ... | 2016 | 26973230 |
| identification of putative candidate genes for red rot resistance in sugarcane (saccharum species hybrid) using ld-based association mapping. | red rot is a serious disease of sugarcane caused by the fungus colletotrichum falcatum that has a colossal damage potential. the fungus, prevalent mainly in the indian sub-continent, keeps on producing new pathogenic strains leading to breakdown of resistance in newly released varieties and hence the deployment of linked markers for marker-assisted selection for resistance to this disease can fine tune the breeding programme. this study based on a panel of 119 sugarcane genotypes fingerprinted f ... | 2016 | 26961118 |
| draft genome sequence of colletotrichum falcatum - a prelude on screening of red rot pathogen in sugarcane. | colletotrichum falcatum, a concealed fungal ascomycete causes red rot, which is a serious disease in sugarcane. it infects economically important stalk tissues, considered as store house of sugar in sugarcane. the study is to find genetic complexities of c. falcatum in establishing this as a stalk infecting pathogen and to decipher the unique lifestyle of this pathogen using ngs technology. we report the draft genome of c. falcatum of about 48.16 mb in size with 12,270 genes. the genome sequence ... | 2016 | 26958090 |
| performance and metabolism of calves fed starter feed containing sugarcane molasses or glucose syrup as a replacement for corn. | the aim of this study was to evaluate the effect of replacing corn grain for sugar cane molasses (mo) or glucose syrup (gs) in the starter concentrate on performance and metabolism of dairy calves. thirty-six individually housed holstein male calves were blocked according to weight and date of birth and assigned to one of the starter feed treatments, during an 8 week study: i) starter containing 65% corn with no mo or gs (0mo); ii) starter containing 60% corn and 5% mo (5mo); iii) starter contai ... | 2016 | 26954149 |
| de novo analysis of transcriptome reveals genes associated with leaf abscission in sugarcane (saccharum officinarum l.). | sugarcane (saccharum officinarum l.) is an important sugar crop which belongs to the grass family and can be used for fuel ethanol production. the growing demands for sugar and biofuel is asking for breeding a sugarcane variety that can shed their leaves during the maturity time due to the increasing cost on sugarcane harvest. | 2016 | 26946183 |
| production of cellulosic ethanol from sugarcane bagasse by steam explosion: effect of extractives content, acid catalysis and different fermentation technologies. | the production of cellulosic ethanol was carried out using samples of native (ncb) and ethanol-extracted (eecb) sugarcane bagasse. autohydrolysis (ah) exhibited the best glucose recovery from both samples, compared to the use of both h3po4 and h2so4 catalysis at the same pretreatment time and temperature. all water-insoluble steam-exploded materials (seb-wi) resulted in high glucose yields by enzymatic hydrolysis. shf (separate hydrolysis and fermentation) gave ethanol yields higher than those o ... | 2016 | 26943936 |
| soil quality indexing strategies for evaluating sugarcane expansion in brazil. | increasing demand for biofuel has intensified land-use change (luc) for sugarcane (saccharum officinarum) expansion in brazil. assessments of soil quality (sq) response to this luc are essential for quantifying and monitoring sustainability of sugarcane production over time. since there is not a universal methodology for assessing sq, we conducted a field-study at three sites within the largest sugarcane-producing region of brazil to develop a sq index (sqi). the most common luc scenario (i.e., ... | 2016 | 26938642 |
| distribution of dekkera bruxellensis in a sugarcane-based fuel ethanol fermentation plant. | we investigated the presence of the yeast dekkera bruxellensis in samples collected at three points surrounding the industrial alcoholic fermentation plants of two distilleries where there are often cases of contamination caused by this yeast: this involved sugar cane wash water, feeding sugar cane juice and vinasse from the treatment pond. total yeast was isolated in wln medium with bromocresol green and cycloheximide and further selected on the basis of its ability to grow in synthetic medium ... | 2016 | 26928357 |
| xylan-specific carbohydrate-binding module belonging to family 6 enhances the catalytic performance of a gh11 endo-xylanase. | xylanases catalyze the hydrolysis of β-1,4-linked xylosyl moieties from xylan chains, one of the most abundant hemicellulosic polysaccharides found in plant cell walls. these enzymes can exist either as single catalytic domains or as modular proteins composed of one or more carbohydrate-binding modules (cbms) appended to the catalytic core. however, the molecular mechanisms governing the synergistic effects between catalytic domains and their cbms are not fully understood. thus, the goal of this ... | 2016 | 26923808 |
| enhancement of penicillium echinulatum glycoside hydrolase enzyme complex. | the enhancement of enzyme complex produced by penicillium echinulatum grown in several culture media components (bagasse sugarcane pretreated by various methods, soybean meal, wheat bran, sucrose, and yeast extract) was studied to increment fpase, xylanase, pectinase, and β-glucosidase enzyme activities. the present results indicated that culture media composed with 10 g/l of the various bagasse pretreatment methods did not have any substantial influence with respect to the fpase, xylanase, and ... | 2016 | 26922416 |
| a two-agent model applied to the biological control of the sugarcane borer (diatraea saccharalis) by the egg parasitoid trichogramma galloi and the larvae parasitoid cotesia flavipes. | the paper is aimed at a methodological development in biological pest control. the considered one pest two-agent system is modelled as a verticum-type system. originally, linear verticum-type systems were introduced by one of the authors for modelling certain industrial systems. these systems are hierarchically composed of linear subsystems such that a part of the state variables of each subsystem affect the dynamics of the next subsystem. recently, verticum-type system models have been applied ... | 2016 | 26911807 |
| estimating the opportunity costs of environmental conservation in the feijão river watershed (são carlos-sp, brazil). | the objective of this study was to infer the opportunity cost of land use of the feijão river watershed (são carlos-sp, brazil), in order to estimate the financial resources necessary to compensate landowners willing to convert their production areas into areas of environmental preservation. net values were estimated by calculating the annual value and the net present value of each activity. the area used for agricultural production was estimated using the land cover map of the watershed. the st ... | 2016 | 26909620 |
| characterization of a thermotolerant phytase produced by rhizopus microsporus var. microsporus biofilm on an inert support using sugarcane bagasse as carbon source. | the rhizopus microsporus var. microsporus biofilm was able to produce increased levels of an extracellular thermotolerant phytase using polyethylene and viscose as an inert support in both modified nbrip medium and modified khanna medium containing sugarcane bagasse as the carbon source. the enzyme production was strictly regulated by the phosphorus content with optimal production at 0.5 mm of sodium phytate and kh2po4. the extracellular phytase, rmphy1, was purified 4.18-fold with 4.78 % recove ... | 2016 | 26906117 |
| the complete genome sequences of two naturally occurring recombinant isolates of sugarcane mosaic virus from iran. | sugarcane mosaic virus (scmv) is the most prevalent virus causing sugarcane mosaic and maize dwarf mosaic diseases. here, we presented the first two complete genomic sequences of iranian scmv isolates, nra and zra from sugarcane and maize. the complete genome sequences of nra and zra were, respectively, 9571 and 9572 nucleotides (nt) in length, excluding the 3'-terminal poly(a) tail. both isolates contained a 5'-untranslated region (utr) of 149 nt, an open reading frame of 9192 nt encoding a pol ... | 2016 | 26905544 |
| nutritional and productive performance of dairy cows fed corn silage or sugarcane silage with or without additives. | the objective of this study was to compare the intake, digestibility, and performance of dairy cows fed corn silage, fresh sugarcane, and sugarcane ensiled in three different forms. twenty-five holstein cows at 114 ± 12.6 days in milk (dim) were used. a randomized block design was adopted, using an arrangement of repeated measures over time. the following treatments were tested: corn silage (cs); fresh sugarcane (fs); sugarcane silage without additives (scs); sugarcane silage enriched with calci ... | 2016 | 26898688 |
| enhanced cellulase production by trichoderma harzianum by cultivation on glycerol followed by induction on cellulosic substrates. | the use of glycerol obtained as an intermediate of the biodiesel manufacturing process as carbon source for microbial growth is a potential alternative strategy for the production of enzymes and other high-value bioproducts. this work evaluates the production of cellulase enzymes using glycerol for high cell density growth of trichoderma harzianum followed by induction with a cellulosic material. firstly, the influence of the carbon source used in the pre-culture step was investigated in terms o ... | 2016 | 26883662 |
| concentration of cu, zn, cr, ni, cd, and pb in soil, sugarcane leaf and juice: residual effect of sewage sludge and organic compost application. | many researchers have evaluated the effects of successive applications of sewage sludge (ss) on soil plant-systems, but most have not taken into account the residual effect of organic matter remaining from prior applications. furthermore, few studies have been carried out to compare the effects of the agricultural use of ss and sewage sludge compost (ssc). therefore, we evaluated the residual effect of ss and ssc on the heavy metal concentrations in soil and in sugarcane (saccharum spp.) leaves ... | 2016 | 26879984 |
| gh53 endo-beta-1,4-galactanase from a newly isolated bacillus licheniformis cbmai 1609 as an enzymatic cocktail supplement for biomass saccharification. | galactanases (endo-β-1,4-galactanases-ec 3.2.1.89) catalyze the hydrolysis of β-1,4 galactosidic bonds in arabinogalactan and galactan side chains found in type i rhamnogalacturan. the aim of this work was to understand the catalytic function, biophysical properties, and use of a recombinant gh53 endo-beta-1,4-galactanase for commercial cocktail supplementation. the nucleotide sequence of the endo-β-1,4-galactanase from bacillus licheniformis cbmai 1609 (bl1609gal) was cloned and expressed in es ... | 2016 | 26879978 |
| expression of arabidopsis bax inhibitor-1 in transgenic sugarcane confers drought tolerance. | the sustainability of global crop production is critically dependent on improving tolerance of crop plants to various types of environmental stress. thus, identification of genes that confer stress tolerance in crops has become a top priority especially in view of expected changes in global climatic patterns. drought stress is one of the abiotic stresses that can result in dramatic loss of crop productivity. in this work, we show that transgenic expression of a highly conserved cell death suppre ... | 2016 | 26872943 |
| genome organization and host range of a brazilian isolate of johnsongrass mosaic virus. | this work reports the complete genome sequence, production of a polyclonal antiserum, and host range of a brazilian strain of johnsongrass mosaic virus (jgmv) found infecting panicum maximum in the state of são paulo, brazil. the complete genome sequence of this potyvirus, comprising 9874 nucleotides, showed 82 % amino acid sequence identity in the polyprotein to that of an isolate of jgmv from australia. the experimental host range of this virus included mainly fodder species. cultivated specie ... | 2016 | 26869279 |
| isolation and characterisation of endophytic nitrogen fixing bacteria in sugarcane. | endophytic nitrogen fixing bacteria were isolated from the leaves, stems and roots of industrial variety (cv. u-thong 3; ut3), wild and chewing sugarcane plants grown for 6 weeks in nitrogen (n)-free sand. eighty nine isolates of endophytic bacteria were obtained on n-free agar. an acetylene reduction assay (ara) detected nitrogenase activity in all 89 isolates. three isolates from the chewing (c2hl2, c7hl1 and c34mr1) sugarcane and one isolate from the industrial sugarcane (ut3r1) varieties wer ... | 2015 | 26868592 |
| synergistic infection of two viruses mcmv and scmv increases the accumulations of both mcmv and mcmv-derived sirnas in maize. | the co-infection of maize chlorotic mottle virus (mcmv) and sugarcane mosaic virus (scmv) can cause maize lethal necrosis. however, the mechanism underlying the synergistic interaction between these two viruses remains elusive. in this study, we found that the co-infection of mcmv and scmv increased the accumulation of mcmv. moreover, the profiles of virus-derived sirnas (vsirnas) from mcmv and scmv in single- and co-infected maize plants were obtained by high-throughput sequencing. our data sho ... | 2016 | 26864602 |
| optimization and characterization of pha from isolate pannonibacter phragmitetus erc8 using glycerol waste. | polyhydroxyalkanoates (phas) have been considered as a good alternative for petrochemical based polymers due to its biodegradability. however, a high production cost limits their acceptance in industries. in present work, efforts have been made to optimize the production of pha by pannonibacter phragmitetus erc8 using glycerol waste as a sole carbon source, with enhanced polymer production in a cost effective way. to check the possibility of growth and polymer accumulation potential of p. phragm ... | 2016 | 26851207 |
| genome sequence of acidovorax avenae strain t10_61 associated with sugarcane red stripe in argentina. | red stripe of sugarcane in argentina is a bacterial disease caused by acidovorax avenae. the genome sequence from the first isolate of this bacterium in argentina is presented here. the draft genome of the a. avenae t10_61 strain contains 5,646,552 bp and has a g+c content of 68.6 mol%. | 2016 | 26847889 |
| a betabaculovirus encoding a gp64 homolog. | a betabaculovirus (disagv) was isolated from diatraea saccharalis (lepidoptera: crambidae), one of the most important insect pests of the sugarcane and other monocot cultures in brazil. | 2016 | 26847652 |
| estimating the opportunity costs of environmental conservation in the feijão river watershed (são carlos-sp, brazil). | the objective of this study was to infer the opportunity cost of land use of the feijão river watershed (são carlos-sp, brazil), in order to estimate the financial resources necessary to compensate landowners willing to convert their production areas into areas of environmental preservation. net values were estimated by calculating the annual value and the net present value of each activity. the area used for agricultural production was estimated using the land cover map of the watershed. the st ... | 2016 | 26840574 |
| detection of puccinia kuehnii causing sugarcane orange rust with a loop-mediated isothermal amplification-based assay. | puccinia kuehnii is a fungal pathogen that causes orange rust in sugarcane, which is now prevalent in many countries. at the early stage of disease, it is almost indistinguishable from brown rust, which is caused by puccinia melanocephala. although several pcr assays are available to detect these diseases, the loop-mediated isothermal amplification (lamp)-based assay has been reported to be more economical and easier to perform. under isothermal conditions, dna is amplified with high specificity ... | 2016 | 26837389 |
| molecular characterization of soil organic matter from native vegetation-pasture-sugarcane transitions in brazil. | replacing pastures (pa) with sugarcane (sg) has been deemed an agronomically feasible strategy for sugarcane expansion in brazil. however, there are some uncertainties about the environmental impacts regarding this land use change (luc), mainly related to soil organic matter (som), a key factor of environmental sustainability of brazilian ethanol. luc-related losses of som can overcome the c savings from biofuels. the molecular composition of som was evaluated to understand the c dynamics regard ... | 2016 | 26828621 |
| purification and characterization of recombinant sugarcane sucrose phosphate synthase expressed in e. coli and insect sf9 cells: an importance of the n-terminal domain for an allosteric regulatory property. | sucrose phosphate synthase (sps) catalyses the transfer of glycosyl group of uridine diphosphate glucose to fructose-6-phosphate to form sucrose-6-phosphate. plant sps plays a key role in photosynthetic carbon metabolisms, which activity is modulated by an allosteric activator glucose-6-phosphate (g6p). we produced recombinant sugarcane sps using escherichia coli and sf9 insect cells to investigate its structure-function relationship. when expressed in e. coli, two forms of sps with different si ... | 2016 | 26826371 |
| plasmidic expression of nema and yafc* increased resistance of ethanologenic escherichia coli ly180 to nonvolatile side products from dilute acid treatment of sugarcane bagasse and artificial hydrolysate. | hydrolysate-resistant escherichia coli sl100 was previously isolated from ethanologenic ly180 after sequential transfers in am1 medium containing a dilute acid hydrolysate of sugarcane bagasse and was used as a source of resistance genes. many genes that affect tolerance to furfural, the most abundant inhibitor, have been described previously. to identify genes associated with inhibitors other than furfural, plasmid clones were selected in an artificial hydrolysate that had been treated with a v ... | 2016 | 26826228 |
| engineering of bacillus subtilis for the production of 2,3-butanediol from sugarcane molasses. | 2,3-butanediol is known to be a platform chemical with several potential industrial applications. sustainable industrial scale production can be attained by using a sugarcane molasses based fermentation process using bacillus subtilis. however, the accumulation of acetoin needs to be reduced to improve process efficiency. in this work, b. subtilis was genetically modified in order to increase the yield of 2,3-butanediol. metabolic engineering strategies such as cofactor engineering and overexpre ... | 2016 | 26825987 |
| co-expression network analysis reveals transcription factors associated to cell wall biosynthesis in sugarcane. | sugarcane is a hybrid of saccharum officinarum and saccharum spontaneum, with minor contributions from other species in saccharum and other genera. understanding the molecular basis of cell wall metabolism in sugarcane may allow for rational changes in fiber quality and content when designing new energy crops. this work describes a comparative expression profiling of sugarcane ancestral genotypes: s. officinarum, s. spontaneum and s. robustum and a commercial hybrid: rb867515, linking gene expre ... | 2016 | 26820137 |
| effects of various roughage levels with whole flint corn grain on performance of finishing cattle. | performance responses to steam flaking flint corn as well as to the addition of roughage to finishing diets composed of whole flint corn were evaluated. ninety-six nellore bulls were stratified by initial bw (373 ± 11 kg) and randomly allotted to 16 feedlot pens (6 bulls/pen) in a randomized complete block design with 4 replicates/treatment. dietary treatments for the 86-d feeding trial consisted of (dm basis) 1) 78.8% steam-flaked flint corn with 6% sugarcane bagasse and 0.20% urea, 2) 85% whol ... | 2016 | 26812339 |
| development of flocculent saccharomyces cerevisiae strain gyk-10 for the selective fermentation of glucose/fructose in sugar mills. | advances in glucose/fructose-selective ethanol production have successfully enhanced raw sugar extraction from sugarcane juice by converting inhibitory substances (i.e., glucose/fructose) into ethanol, which is removed by subsequent operations in cane sugar mills. however, the commercial implementation of this breakthrough process in existing cane sugar mills requires a yeast strain that (i) can be used in food production processes, (ii) exhibits stable saccharometabolic selectivity, and (iii) c ... | 2016 | 26811219 |
| spatial distribution and dynamics of sucrose metabolising enzymes in radiation induced mutants of sugarcane. | sucrose metabolism in various source and sink organs of developing sugarcane (saccharum officinarum l.) plant is accompanied with continuous synthesis and cleavage. in this regard, the involvement of four major enzymes viz. sucrose synthase (ss), sucrose phosphate synthase (sps), soluble acid (sai) and neutral invertases (ni) is considered crucial. in this study, we have analysed in vivo enzymatic activity of 12th month old field grown radiation-induced sugarcane mutants identified for sucrose a ... | 2016 | 26795733 |
| beneficial effects of bacillus subtilis subsp. subtilis mori2, a honey-associated strain, on honeybee colony performance. | a bacillus spp. strain isolated from a honey sample in morillos (salta, argentina) was phylogenetically characterized as b. subtilis subsp. subtilis mori2. the strain was administered to bee colonies as a monoculture in one litre of sugarcane syrup (125 g/l) at a final concentration of 10(5) spores/ml to evaluate the bee colony performance. the treated colony was monitored, and any changes were compared with the control hives. all conditions were identical (weather, nourishment and supervision), ... | 2012 | 26781735 |
| response surface optimization of bioethanol production from sugarcane molasses by pichia veronae strain hsc-22. | pichia veronae strain hsc-22 (accession number kp012558) showed a good tolerance to relatively high temperature, ethanol and sugar concentrations. response surface optimization based on central composite design of experiments predicted the optimal values of the influencing parameters that affect the production of bioethanol from sugarcane molasses to be as follows: initial ph 5, 25% (w : v) initial molasses concentration, 35°c, 116 rpm, and 60 h. under these optimum operating conditions the maxi ... | 2015 | 26779347 |
| a biotechnological process efficiently co-produces two high value-added products, glucose and xylooligosaccharides, from sugarcane bagasse. | in this study, a co-production of two high value-added products, glucose and xylooligosaccharides (xos), was investigated by utilizing sugarcane bagasse (sb) within a multi-product bio-refinery framework optimized by box-behnken design-based response surface methodology. the developed process resulted in a maximum cellulose conversion of xylan-removed sb, 98.69±1.30%, and a maximum extracted sb xylan conversion into xos (xylobiose and xylotriose) of 57.36±0.79% that was the highest sb xylan conv ... | 2016 | 26773956 |
| saccharification of ozonated sugarcane bagasse using enzymes from myceliophthora thermophila jcp 1-4 for sugars release and ethanol production. | the saccharification of ozonated sugarcane bagasse (scb) by enzymes from myceliophthora thermophila jcp 1-4 was studied. fungal enzymes provided slightly higher sugar release than commercial enzymes, working at 50°c. sugar release increased with temperature increase. kinetic studies showed remarkable glucose release (4.99 g/l, 3%w/w dry matter) at 60°c, 8 h of hydrolysis, using an enzyme load of 10 fpu (filter paper unit). fpase and β-glucosidase activities increased during saccharification (284 ... | 2016 | 26773948 |
| cell wall proteome of sugarcane stems: comparison of a destructive and a non-destructive extraction method showed differences in glycoside hydrolases and peroxidases. | sugarcane has been used as the main crop for ethanol production for more than 40 years in brazil. recently, the production of bioethanol from bagasse and straw, also called second generation (2g) ethanol, became a reality with the first commercial plants started in the usa and brazil. however, the industrial processes still need to be improved to generate a low cost fuel. one possibility is the remodeling of cell walls, by means of genetic improvement or transgenesis, in order to make the bagass ... | 2016 | 26754199 |
| monitoring of the cellulosic ethanol fermentation process by near-infrared spectroscopy. | rapid, efficient, and low-cost technologies for monitoring the fermentation process during second generation (2g) or cellulosic ethanol production are essential for the successful implementation of this process at the commercial scale. here, the use of near-infrared (nir) spectroscopy associated with partial least squares (pls) regression was investigated as a tool for monitoring the production of 2g ethanol from lignocellulosic sugarcane residues including bagasse, straw, and tops. the spectral ... | 2016 | 26748047 |
| comparison of submerged and solid state pretreatment of sugarcane bagasse by pandoraea sp. istkb: enzymatic and structural analysis. | pretreatment of sugarcane bagasse by pandoraea sp. istkb was evaluated under submerged (smf) and solid state (ssf) culture conditions. number of bacteria was 2.7 times higher in smf as compared with ssf. enzymes produced under smf were xylanase, lip, mnp and laccase. in ssf xylanase and laccase were detected. cmcase, fpase and β-glucosidase were not detected. delignification was highest in smf with 19.94% and 10.43% removal of hemicelluloses and lignin, respectively. ftir analysis suggested the ... | 2016 | 26720135 |
| alkaline-sulfite pretreatment and use of surfactants during enzymatic hydrolysis to enhance ethanol production from sugarcane bagasse. | sugarcane bagasse is a by-product from the sugar and ethanol industry which contains approximately 70 % of its dry mass composed by polysaccharides. to convert these polysaccharides into fuel ethanol it is necessary a pretreatment step to increase the enzymatic digestibility of the recalcitrant raw material. in this work, sugarcane bagasse was pretreated by an alkaline-sulfite chemithermomechanical process for increasing its enzymatic digestibility. na2so3 and naoh ratios were fixed at 2:1, and ... | 2016 | 26718203 |
| physiological and transcriptional analyses of developmental stages along sugarcane leaf. | sugarcane is one of the major crops worldwide. it is cultivated in over 100 countries on 22 million ha. the complex genetic architecture and the lack of a complete genomic sequence in sugarcane hamper the adoption of molecular approaches to study its physiology and to develop new varieties. investments on the development of new sugarcane varieties have been made to maximize sucrose yield, a trait dependent on photosynthetic capacity. however, detailed studies on sugarcane leaves are scarce. in t ... | 2015 | 26714767 |
| diverse exopolysaccharide producing bacteria isolated from milled sugarcane: implications for cane spoilage and sucrose yield. | bacterial deterioration of sugarcane during harvesting and processing is correlated with significant loss of sucrose yield and the accumulation of bacterial polysaccharides. dextran, a homoglucan produced by leuconostoc mesenteroides, has been cited as the primary polysaccharide associated with sugarcane deterioration. a culture-based approach was used to isolate extracellular polysaccharide (eps) producing bacterial strains from milled sugarcane stalks. ribosomal rna sequencing analysis grouped ... | 2015 | 26710215 |
| addition of metal ions to a (hemi)cellulolytic enzymatic cocktail produced in-house improves its activity, thermostability, and efficiency in the saccharification of pretreated sugarcane bagasse. | high activity and stability are essential for (hemi)cellulolytic enzymes used in biomass conversion, while non-productive binding of cellulases to lignin reduces saccharification efficiency and needs to be avoided. one potential strategy is the addition of inexpensive metal ions. this paper describes the influence of divalent metal ions on the activity, thermostability, and saccharification efficiency of (hemi)cellulolytic enzymes produced in-house by aspergillus niger under solid-state fermenta ... | 2016 | 26709004 |
| enzymatic hydrolysis of pretreated sugarcane straw: kinetic study and semi-mechanistic modeling. | although there are already commercial-scale productions of second generation (2g) ethanol, focusing efforts on process optimization can be of key importance to make the production cost-effective in large scale. in this scenario, mathematical models may be useful in design, scale-up, optimization, and control of bioreactors. for this reason, the aim of this work was to study the kinetics of the enzymatic hydrolysis of cellulose from sugarcane straw. experiments using hydrothermally pretreated sug ... | 2016 | 26701144 |
| characterization of the cellulolytic secretome of trichoderma harzianum during growth on sugarcane bagasse and analysis of the activity boosting effects of swollenin. | this study demonstrates the production of an active enzyme cocktail produced by growing trichoderma harzianum on sugarcane bagasse. the component enzymes were identified by lcms-ms. glycosyl hydrolases were the most abundant class of proteins, representing 67% of total secreted protein. other carbohydrate active enzymes involved in cell wall deconstruction included lytic polysaccharide mono-oxygenases (aa9), carbohydrate-binding modules, carbohydrate esterases and swollenin, all present at level ... | 2016 | 26697775 |
| effects of two different organic amendments addition to soil on sorption-desorption, leaching, bioavailability of penconazole and the growth of wheat (triticum aestivum l.). | this study investigated the effects of sugarcane bagasse compost (sbc) and chicken manure compost (cmc) on the sorption-desorption, leaching and bioavailability of the fungicide penconazole in soil in a laboratory setting. the autoclave-treated sbc or cmc was applied at 2.5% and 5.0% (w/w). results of batch equilibrium experiments exhibited that the sorption capacity of soils for penconazole was significantly promoted by the addition of sbc or cmc, whereas desorption of penconazole was drastical ... | 2016 | 26683765 |
| advances in agrobacterium tumefaciens-mediated genetic transformation of graminaceous crops. | steady increase in global population poses several challenges to plant science research, including demand for increased crop productivity, grain yield, nutritional quality and improved tolerance to different environmental factors. transgene-based approaches are promising to address these challenges by transferring potential candidate genes to host organisms through different strategies. agrobacterium-mediated gene transfer is one such strategy which is well known for enabling efficient gene tran ... | 2016 | 26660352 |
| sucrose and saccharomyces cerevisiae: a relationship most sweet. | sucrose is an abundant, readily available and inexpensive substrate for industrial biotechnology processes and its use is demonstrated with much success in the production of fuel ethanol in brazil. saccharomyces cerevisiae, which naturally evolved to efficiently consume sugars such as sucrose, is one of the most important cell factories due to its robustness, stress tolerance, genetic accessibility, simple nutrient requirements and long history as an industrial workhorse. this minireview is focu ... | 2016 | 26658003 |
| the decrease in the population of gluconacetobacter diazotrophicus in sugarcane after nitrogen fertilization is related to plant physiology in split root experiments. | it has been established that a decrease in the population of gluconacetobacter diazotrophicus associated with sugarcane occurs after nitrogen fertilization. this fact could be due to a direct influence of nh(4)no(3) on bacterial cells or to changes in plant physiology after fertilizer addition, affecting bacterial establishment. in this work, we observed that survival of g. diazotrophicus was directly influenced when 44.8mm of nh(4)no(3) (640mgn/plant) was used for in vitro experiments. furtherm ... | 2016 | 26652262 |
| quantification of sugarcane yellow leaf virus in sugarcane following transmission through aphid vector, melanaphis sacchari. | yellow leaf caused by sugarcane yellow leaf virus (scylv) is a serious constraint to sugarcane production in india and currently the disease epidemics occur on many of the susceptible varieties under field conditions. studies were conducted on the virus transmission by sugarcane aphid melanaphis sacchari in sugarcane by inoculating virus-free meristem derived from micro- propagated plants of sugarcane cv co 86032 with viruliferous aphids. virus transmission was confirmed through rt-pcr assays an ... | 2015 | 26645033 |
| biotrophic interaction of sporisorium scitamineum on a new host--saccharum spontaneum. | sporisorium scitamineum is a biotrophic smut fungus harbored inside the smut gall on the top internodal region of saccharum spontaneum, a wild relative of sugarcane (saccharum officinarum). the interactions of spined conidia of s. scitamineum with s. spontaneum were examined during the different stages of plant growth starting from the bud stage to the decaying stage. the spores in the soil from the polyetic inocula grew into confined epidermal cells of the buds and finally sporulated in the top ... | 2016 | 26642345 |
| isolation of pantoea ananatis from sugarcane and characterization of its potential for plant growth promotion. | each year, approximately 170 million metric tons of chemical fertilizer are consumed by global agriculture. furthermore, some chemical fertilizers contain toxic by-products and their long-term use may contaminate groundwater, lakes, and rivers. the use of plant growth-promoting bacteria may be a cost-effective strategy for partially replacing conventional chemical fertilizers, and may become an integrated plant nutrient solution for sustainable crop production. the main direct bacteria-activated ... | 2015 | 26634494 |
| evaluation of lime and hydrothermal pretreatments for efficient enzymatic hydrolysis of raw sugarcane bagasse. | ethanol production from sugarcane bagasse requires a pretreatment step to disrupt the cellulose-hemicellulose-lignin complex and to increase biomass digestibility, thus allowing the obtaining of high yields of fermentable sugars for the subsequent fermentation. hydrothermal and lime pretreatments have emerged as effective methods in preparing the lignocellulosic biomass for bioconversion. these pretreatments are advantageous because they can be performed under mild temperature and pressure condi ... | 2015 | 26633992 |
| maize-pathogen interactions: an ongoing combat from a proteomics perspective. | maize (zea mays l.) is a host to numerous pathogenic species that impose serious diseases to its ear and foliage, negatively affecting the yield and the quality of the maize crop. a considerable amount of research has been carried out to elucidate mechanisms of maize-pathogen interactions with a major goal to identify defense-associated proteins. in this review, we summarize interactions of maize with its agriculturally important pathogens that were assessed at the proteome level. employing diff ... | 2015 | 26633370 |
| biochemical conversion of sugarcane straw hemicellulosic hydrolyzate supplemented with co-substrates for xylitol production. | biotechnological production of xylitol is an attractive route to add value to a sugarcane biorefinery, through utilization of the hemicellulosic fraction of sugarcane straw, whose availability is increasing in brazil. herein, supplementation of the sugarcane straw hemicellulosic hydrolyzate (xylose 57gl(-1)) with maltose, sucrose, cellobiose or glycerol was proposed, and their effect as co-substrates on xylitol production by candida guilliermondii fti 20037 was studied. sucrose (10gl(-1)) and gl ... | 2016 | 26615771 |
| the assessment of epiphytic yeast diversity in sugarcane phyllosphere in thailand by culture-independent method. | the diversity of epiphytic yeasts from sugarcane (saccharum officinarum linn.) phyllospheres in thailand was investigated by culture-independent method based on the analysis of the d1/d2 domains of the large subunit rrna gene sequences. forty-five samples of sugarcane leaf were collected randomly from ten provinces in thailand. a total of 1342 clones were obtained from 45 clone libraries. 426 clones (31.7 %) were closely related to yeast strains in the genbank database, and they were clustered i ... | 2015 | 26615738 |
| production of sugarcane bagasse-based activated carbon for formaldehyde gas removal from potted plants exposure chamber. | agricultural wastes such as rice straw, sugar beet, and sugarcane bagasse have become a critical environmental issue due to growing agriculture demand. this study aimed to investigate the valorization possibility of sugarcane bagasse waste for activated carbon preparation. it also aimed to fully characterize the prepared activated carbon (bet surface area) via scanning electron microscope (sem) and in terms of surface functional groups to give a basic understanding of its structure and to study ... | 2015 | 26606041 |
| satellite hyperspectral imagery to support tick-borne infectious diseases surveillance. | this study proposed the use of satellite hyperspectral imagery to support tick-borne infectious diseases surveillance based on monitoring the variation in amplifier hosts food sources. to verify this strategy, we used the data of the human rickettsiosis occurrences in southeastern brazil, region in which the emergence of this disease is associated with the rising capybara population. spatio-temporal analysis based on monte carlo simulations was used to identify risk areas of human rickettsiosis ... | 2015 | 26599337 |
| controlled release of drugs from cellulose acetate matrices produced from sugarcane bagasse: monitoring by square-wave voltammetry. | in this paper, cellulose triacetate (cta) was produced from sugarcane bagasse and used as matrices for controlled release of paracetamol. symmetric and asymmetric membranes were obtained by formulations of cta/dichloromethane/drug and cta/dichloromethane/water/drug, respectively, and they were characterized by scanning electron microscopy (sem) and differential scanning calorimetry (dsc). different morphologies of membranes were observed by sem, and the incorporation of paracetamol was confirmed ... | 2016 | 26596497 |
| chemical data as markers of the geographical origins of sugarcane spirits. | in an attempt to classify sugarcane spirits according to their geographic region of origin, chemical data for 24 analytes were evaluated in 50 cachaças produced using a similar procedure in selected regions of brazil: são paulo - sp (15), minas gerais - mg (11), rio de janeiro - rj (11), paraiba -pb (9), and ceará - ce (4). multivariate analysis was applied to the analytical results, and the predictive abilities of different classification methods were evaluated. principal component analysis ide ... | 2016 | 26593483 |
| comparison of start-up strategies and process performance during semi-continuous anaerobic digestion of sugarcane filter cake co-digested with bagasse. | the anaerobic digestion of sugarcane filter cake and the option of co-digestion with bagasse were investigated in a semi-continuous feeding regime to assess the main parameters used for large-scale process designing. moreover, fresh cattle manure was considered as alternative inoculum for the start-up of biogas reactors in cases where digestate from a biogas plant would not be available in remote rural areas. experiments were carried out in 6 lab-scale semi-continuous stirred-tank reactors at me ... | 2016 | 26584558 |
| catalytic conversion of sugarcane bagasse to cellulosic ethanol: tio2 coupled nanocellulose as an effective hydrolysis enhancer. | the present study deals with the production of cellulosic ethanol from bagasse using the synthesized tio2 coupled nanocellulose (nc-tio2) as catalyst. aspergillus nidulans ajsu04 cellulase was used for the hydrolysis of bagasse. nc-tio2 at various concentrations was added to bagasse in order to enhance the yield of reducing sugars. complex interaction between cellulase, bagasse, nc-tio2 and the reaction environment is thoroughly studied. a mathematical model was developed to describe the hydroly ... | 2016 | 26572403 |
| the mating-type locus b of the sugarcane smut sporisorium scitamineum is essential for mating, filamentous growth and pathogenicity. | sporisorium scitamineum is the causal agent of sugarcane smut, which is one of the most serious constraints to global sugarcane production. s. scitamineum and ustilago maydis are two closely related smut fungi, that are predicted to harbor similar sexual mating processes/system. to elucidate the molecular basis of sexual mating in s. scitamineum, we identified and deleted the ortholog of mating-specific u. maydis locus b, in s. scitamineum. the resultant b-deletion mutant was defective in mating ... | 2016 | 26563415 |
| sulfidogenesis interference on methane production from carbohydrate-rich wastewater. | two anaerobic fixed-structured bed reactors were fed with synthetic wastewater simulating the soluble fraction of sugarcane vinasse to evaluate the interference of sulfidogenesis on methanogenesis. the reactors running in parallel were subjected to the same operating conditions. the influent organic matter concentration (in term of chemical oxygen demand (cod)) remained close to 4,000 mgcod l(-1) and the hydraulic retention time was 24 hours. one reactor, the methanogenic (control reactor), rece ... | 2015 | 26524457 |
| hemicellulosic ethanol production by immobilized wild brazilian yeast scheffersomyces shehatae ufmg-hm 52.2: effects of cell concentration and stirring rate. | the use of sugarcane bagasse hemicellulosic hydrolysates presents an interesting alternative to second generation (2g) ethanol production. techniques to enhance the fermentation process, e.g., the use of immobilized cells, is one of the key factors for efficient production. here, the effect of two important parameters (cell concentration in immobilized system and stirring rate) on the 2g ethanol production using the wild brazilian yeast s. shehatae ufmg-hm 52.2 immobilized in calcium alginate ma ... | 2016 | 26507335 |
| fvbck1, a component of cell wall integrity map kinase pathway, is required for virulence and oxidative stress response in sugarcane pokkah boeng pathogen. | fusarium verticillioides (formerly f. moniliforme) is suggested as one of the causal agents of pokkah boeng, a serious disease of sugarcane worldwide. currently, detailed molecular and physiological mechanism of pathogenesis is unknown. in this study, we focused on cell wall integrity mapk pathway as one of the potential signaling mechanisms associated with pokkah boeng pathogenesis. we identified fvbck1 gene that encodes a map kinase kinase kinase homolog and determined that it is not only requ ... | 2015 | 26500635 |
| fermentative profile and bacterial diversity of corn silages inoculated with new tropical lactic acid bacteria. | this study aimed to evaluate the effects of inoculation of strains of lactic acid bacteria (lab) isolated from sugarcane grown in a brazil on the quality of corn silage. | 2016 | 26496890 |
| characterization of sugarcane mosaic virus scmv1 and scmv2 resistance regions by regional association analysis in maize. | sugarcane mosaic virus (scmv) causes one of the most severe virus diseases in maize worldwide, resulting in reduced grain and forage yield in susceptible cultivars. in this study, two association panels consisting of 94 inbred lines each, from china and the u.s., were characterized for resistance to two isolates: scmv-seehausen and scmv-bj. the population structure of both association panels was analyzed using 3072 single nucleotide polymorphism (snp) markers. the chinese and the u.s. panel were ... | 2015 | 26488483 |
| the effects of fiber inclusion on pet food sensory characteristics and palatability. | the objectives of this study were to determine (a) the influence of fiber on the sensory characteristics of dry dog foods; (b) differences of coated and uncoated kibbles for aroma and flavor characteristics; (c) palatability of these dry dog foods; and (d) potential associations between palatability and sensory attributes. a total of eight fiber treatments were manufactured: a control (no fiber addition), guava fiber (3%, 6%, and 12%), sugar cane fiber (9%; large and small particle size), and wh ... | 2015 | 26479141 |
| genome sequences of poaceae-associated gemycircularviruses from the pacific ocean island of tonga. | we sampled and analyzed 43 poaceae plants from the pacific ocean island of tonga for the presence of circular dna viruses. from these samples, we recovered three gemycircularvirus genomes, which share >99% identity, from brachiaria deflexa (n = 2) and sugarcane (n = 1). these genomes share <61% genome-wide identity with other gemycircularvirus sequences in public databases. | 2015 | 26472826 |
| indigenous aphid predators show high levels of preadaptation to a novel prey, melanaphis sacchari (hemiptera: aphididae). | the performance of four aphid predators, hippodamia convergens guerin-meneville, coleomegilla maculata degeer, chrysoperla carnea stephens and orius insidiosus say was compared on three prey species: schizaphis graminum rondani, melanaphis sacchari (zehntner), and ephestia kuehniella zeller eggs. species predatory in both life stages (all except ch. carnea) were reared on e. kuehniella eggs and switched to aphid prey for assessment of reproduction. differences were greater between the e. kuehnie ... | 2015 | 26470381 |
| resistance risk assessment of spodoptera frugiperda (lepidoptera: noctuidae) and diatraea saccharalis (lepidoptera: crambidae) to vip3aa20 insecticidal protein expressed in corn. | transgenic agrisure viptera 3 corn that expresses cry1ab, vip3aa20, and epsps proteins and agrisure viptera expressing vip3aa20 are used for control of spodoptera frugiperda (j.e. smith) and diatraea saccharalis (f.) in brazil. to support a resistance management program, resistance risk assessment studies were conducted to characterize the dose expression of vip3aa20 protein and level of control against these species. the vip3aa20 expression in agrisure viptera 3 and agrisure viptera decreased f ... | 2015 | 26470366 |
| genetic diversity and structure of brazilian populations of diatraea saccharalis (lepidoptera: crambidae): implications for pest management. | the sugarcane borer, diatraea saccharalis (f.), is the main pest of sugarcane in brazil. genetic variability and gene flow among 13 brazilian populations of the species were evaluated based on mitochondrial dna sequences to estimate the exchange of genetic information within and among populations. we found high genetic structure among sampled localities (φst=0.50923), and pairwise genetic distances were significantly correlated to geographic distances. demographic analysis and genealogical netwo ... | 2015 | 26470135 |
| lepidoptera (crambidae, noctuidae, and pyralidae) injury to corn containing single and pyramided bt traits, and blended or block refuge, in the southern united states. | fall armyworm, spodoptera frugiperda (j. e. smith) (lepidoptera: noctuidae); corn earworm, helicoverpa zea boddie (lepidoptera: noctuidae); southwestern corn borer, diatraea grandiosella dyar (lepidoptera: crambidae); sugarcane borer, diatraea saccharalis f. (lepidoptera: crambidae); and lesser cornstalk borer, elasmopalpus lignosellus zeller (lepidoptera: pyralidae), are lepidopteran pests of corn, zea mays l., in the southern united states. blended refuge for transgenic plants expressing the i ... | 2015 | 26470116 |
| detoxification of atrazine by endophytic streptomyces sp. isolated from sugarcane and detection of nontoxic metabolite. | atrazine is still one of the most used agricultural pesticides worldwide and it has been recognized as a major contaminant of surface and ground water. the aims of this research were to isolate an endophytic microorganism from leaves of sugarcane, evaluate its ability to degrade atrazine, and investigate the formation of metabolites. by sequencing of the 16s rrna gene, the endophytic isolate atz2 was identified as streptomyces sp. the reduction in atrazine concentration by streptomyces sp. atz2 ... | 2015 | 26467569 |
| effect of flint corn processing method and roughage level on finishing performance of nellore-based cattle. | this study was conducted to evaluate the effects of flint corn processing method (cpm) and level of ndf from roughage (rndf) on performance, carcass characteristics, and starch utilization by finishing nellore-based cattle fed high-concentrate, flint corn-based diets. in this study, 112 nellore type bulls (initial bw 384.07 ± 29.53 kg and 24-36 mo of age) were individually fed using calan gates or individual pens. the animals were used in a randomized complete block design in a 2 × 4 factorial a ... | 2015 | 26440182 |
| plant transcriptomics and responses to environmental stress: an overview. | different stresses include nutrient deficiency, pathogen attack, exposure to toxic chemicals etc. transcriptomic studies have been mainly applied to only a few plant species including the model plant, arabidopsis thaliana. these studies have provided valuable insights into the genetic networks of plant stress responses. transcriptomics applied to cash crops including barley, rice, sugarcane, wheat and maize have further helped in understanding physiological and molecular responses in terms of ge ... | 2015 | 26440096 |
| cloning, expression, and purification of xylanase gene from bacillus licheniformis for use in saccharification of plant biomass. | the xylanase gene (xyna) of bacillus licheniformis 9945a was cloned and expressed in escherichia coli bl21(de3) using pet-22b(+) as an expression vector. the recombinant xylanase enzyme was purified by ammonium sulfate precipitation, followed by single-step immobilized metal ion affinity chromatography with a 57.58-fold purification having 138.2 u/mg specific activity and recovery of 70.08 %. molecular weight of the purified xylanase, 23 kda, was determined by sodium dodecyl sulfate polyacrylami ... | 2016 | 26438315 |
| mixed substrate fermentation for enhanced phytase production by thermophilic mould sporotrichum thermophile and its application in beneficiation of poultry feed. | the optimum values of the critical variables determined by the central composite design of response surface methodology (rsm) for maximum phytase production (1881.26 u g(-1) dry mouldy residue (dmr)) by sporotrichum thermophile are 2.5 % tween 80, 1.0 % yeast extract and 48 h of incubation period. phytase production in the mixed substrate (sugarcane bagasse and wheat bran) fermentation enhanced 11.6-fold over the initial production as a consequence of optimization. phytase titres are sustainable ... | 2016 | 26433602 |
| genetic structure of populations of sugarcane streak mosaic virus in china: comparison with the populations in india. | sugarcane streak mosaic virus (scsmv) causes mosaic and streak symptoms on sugarcane and sorghum crops, and has a broad host range. scsmv is a member of the genus poacevirus in the family potyviridae.ten scsmv isolates were collected from sugarcane plants showing mosaic and streaking in southern china from 2009-2011. sequence-based phylogenetic and population genetic analyses were conducted using four partial genomic sequences covering the full genomes. these analyses were used to estimate the s ... | 2016 | 26432446 |
| biology and management of sugarcane yellow leaf virus: an historical overview. | sugarcane yellow leaf virus (scylv) is one of the most widespread viruses causing disease in sugarcane worldwide. the virus has been responsible for drastic economic losses in most sugarcane-growing regions and remains a major concern for sugarcane breeders. infection with scylv results in intense yellowing of the midrib, which extends to the leaf blade, followed by tissue necrosis from the leaf tip towards the leaf base. such symptomatic leaves are usually characterized by increased respiration ... | 2015 | 26424197 |
| a glucuronoxylan-specific xylanase from a new paenibacillus favisporus strain isolated from tropical soil of brazil. | a new xylanolytic strain, paenibacillus favisporus cc02-n2, was isolated from sugarcane plantation fields in brazil. the strain had a xylan-degrading system with multiple enzymes, one of which, xylanase xyn30a, was identified and characterized. the enzyme is a single-domain xylanase belonging to family 30 of the glycosyl hydrolases (gh30). xyn30a shows high activity on glucuronoxylans, with a vmax of 267.2 u mg⁻¹, a km of 4.0 mg/ml, and a kcat of 13,333 min⁻¹ on beechwood xylan, but it does not ... | 2014 | 26419457 |