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comparison of botryosphaeran production by the ascomyceteous fungus botryosphaeria sp., grown on different carbohydrate carbon sources, and their partial structural features.the influence of glucose concentration and other carbohydrates (monosaccharides: fructose, galactose, mannose; polyols: mannitol and sorbitol; disaccharides: lactose, sucrose and commercial sucrose; and industrial sugarcane molasses) were compared as sole carbon sources for the production of botryosphaeran, an exopolysaccharide (eps) produced by botryosphaeria sp. the optimum glucose concentration for eps production was 50 g l(-1). with the exception of mannitol, the fungus produced eps on all c ...200415558819
survey in the sugarcane expressed sequence tag database (sucest) for simple sequence repeats.sugarcane microsatellites or simple sequence repeats (ssr) were developed in an economical and practical way by mining est databases. a survey in the sucest (sugarcane est) database revealed a total of 2005 clusters out of 43,141 containing ssrs. of these, 8.2% were dinucleotide, 30.5% were trinucleotide, and 61.3% were tetranucleotide repeats. except for dinucleotides, the cg-rich motif types were the most common. differences in abundance of trinucleotide motif types were observed between est-s ...200415499394
comparative analysis of mutator -like transposases in sugarcane.the maize mutator ( mu) system has been described as the most active and mutagenic plant transposon so far discovered. mu -like elements (mules) are widespread among plants, and many and diverse variants can coexist in a particular genome. the autonomous regulatory element mudr contains two genes: mudra encodes the transposase, while the function of the mudrb gene product remains unknown. although mudra -like sequences are ubiquitous in plants, mudrb seems to be restricted to the genus zea. in t ...200415338280
analysis and functional annotation of an expressed sequence tag collection for tropical crop sugarcane.to contribute to our understanding of the genome complexity of sugarcane, we undertook a large-scale expressed sequence tag (est) program. more than 260,000 cdna clones were partially sequenced from 26 standard cdna libraries generated from different sugarcane tissues. after the processing of the sequences, 237,954 high-quality ests were identified. these ests were assembled into 43,141 putative transcripts. of the assembled sequences, 35.6% presented no matches with existing sequences in public ...200314613979
rna expression profiles and data mining of sugarcane response to low temperature.tropical and subtropical plants are generally sensitive to cold and can show appreciable variation in their response to cold stress when exposed to low positive temperatures. using nylon filter arrays, we analyzed the expression profile of 1,536 expressed sequence tags (ests) of sugarcane (saccharum sp. cv sp80-3280) exposed to cold for 3 to 48 h. thirty-four cold-inducible ests were identified, of which 20 were novel cold-responsive genes that had not previously been reported as being cold indu ...200312913139
kinetics of the solid state fermentation of sugarcane bagasse by thermoascus aurantiacus for the production of xylanase.xylanase was produced by solid-state fermentation using thermoascus aurantiacus. maximum production (500 u g(-1) bagasse) was achieved on the sixth day of cultivation on solid sugarcane bagasse medium supplemented with 15% (v/w) rice bran extract. the fungal biomass, determined from its glucosamine content, reached 28 mg g(-1) on the 8th day of cultivation. the cell yield against o2 (y(x/o) = 0.18 g(cell)/g(o2)) and maintenance coefficient (m0 = 0.013 g(o2)/g(cell)h) were determined with the low ...200312882299
genomic distribution and characterization of est-derived resistance gene analogs (rgas) in sugarcane.a large sugarcane est (expressed sequence tag) project recently gave us access to 261,609 est sequences from sugarcane, assembled into 81,223 clusters. among these, we identified 88 resistance gene analogs (rgas) based on their homology to typical pathogen resistance genes, using a stringent blast search with a threshold e-value of e(-50). they included representatives of the three major groups of resistance genes with nbs/lrr, lrr or s/t kinase domains. fifty rgas showed a total of 148 single-d ...200312733061
its region of the rdna of pythium rhizosaccharum sp. nov. isolated from sugarcane roots: taxonomy and comparison with related species.pythium rhizosaccharum (f-1244) was isolated from soil samples taken in the rhizosphere of sugarcane (saccharum officinarum) in the north-eastern india. this species is characterized by its smooth-walled, spherical sporangia and rarely formed sexual structures. when formed, the antheridial branches wrap around the oogonia and soon disappear after fertilization. the internal transcribed spacer (its) region of its rdna is comprised of 904 bases. the taxonomical description of this new species and ...200312725932
influence of pressure in ethanol/water pulping of sugarcane bagasse.the influence of the pressure in the ethanol/water pulping of sugarcane bagasse was studied using argon pressure varying from 0.5 to 1.5 mpa. the reaction volume and activation volume were studied. for the reaction volume, temperature and time were constant and pressure was varied, and for the activation volume, temperature was constant and pressure and time were varied. the degradation of cellulose was not promoted by the pressure with positive reaction volume (4100 cm(3)/mol). on the other han ...200312721485
molecular evolution of bowman-birk type proteinase inhibitors in flowering plants.the bowman-birk family (bbi) of proteinase inhibitors is probably the most studied family of plant inhibitors. we describe the primary structure and the gene expression profile of 14 putative bbis from the sugarcane expressed sequence tag database and show how we used these newly discovered sequences together with 87 previously described bbi sequences from the genbank database to construct phylogenetic trees for the bbi family. phylogenetic analysis revealed that bbi-type inhibitors from monocot ...200312679075
analysis of genetic similarity detected by aflp and coefficient of parentage among genotypes of sugar cane ( saccharum spp.).despite the economical importance of sugar cane, until the present-date no studies have been carried out to determine the correlation of the molecular-based genetic similarity (gs) and the coefficient of parentage ( f)-estimates generated for cultivars. a comprehensive knowledge of the amount of genetic diversity in parental cultivars, could improve the effectiveness of breeding programmes. in this study, amplified fragment length polymorphism (aflp) and pedigree data were used to investigate th ...200212579425
effect of cryopreservation on the structural and functional integrity of cell membranes of sugarcane (saccharum sp.) embryogenic calluses.in this paper, we investigated if the differences consistently noted in survival and plantlet production between cryopreserved and non-cryopreserved, control sugarcane embryogenic calluses were related to modifications induced during cryopreservation in the structural and functional integrity of cell membranes. for this, the evolution of electrolyte leakage, lipid peroxidation products and cell membrane protein contents was measured during 5 d after cryopreservation. differences between control ...201312391484
sugarcane bagasse as alternative packing material for biofiltration of benzene polluted gaseous streams: a preliminary study.removal of benzene vapor from gaseous streams was studied in two identically sized lab-scale biofiltration columns: one filled with a mixture of raw sugarcane bagasse and glass beads, and the other one packed with a mixture of ground sugarcane bagasse and glass beads, in the same volume ratio, as filter materials. separate series of continuous tests were performed, in parallel, under the same operating conditions (inlet benzene concentration of 10.0, 20.0 or 50.0 mg m(-3), and superficial gas ve ...200212056491
panus tigrinus strains used in delignification of sugarcane bagasse prior to kraft pulping.three strains of the white-rot fungus panus tigrinus (ftpt-4741, ftpt-4742, and ftpt-4745) were cultivated on sugarcane bagasse prior to kraft pulping. pulp yields, kappa number, and viscosity of all pulps were determined and fourier transform infrared (ftir) spectra from the samples were recorded. the growth of p. tigrinus strains in plastic bags increased the manganese peroxide and xylanase activities. lignin peroxidase was not detected in the three systems (shaken and nonshaken flasks and pla ...200212018265
action of white-rot fungus panus tigrinus on sugarcane bagasse: evaluation of selectivity.biological pretreatments with three selected strains of panus tigrinus were used for delignification of sugarcane bagasse. the fungi with potential for delignification were analyzed by determining the chemical composition of the decayed bagasse samples, and the selectivity in terms of weight loss of the different components was evaluated. all the strains grow abundantly on bagasse as unique carbon source. after determining the chemical composition of degraded bagasse, p. tigrinus ftpt-4745 was s ...200212018262
bleachability and characterization by fourier transform infrared principal component analysis of acetosolv pulps obtained from sugarcane bagasse.sugarcane bagasse acetosolv pulps were bleached by xylanase and the pulps classified by using fourier transform infrared (ftir) spectroscopy and principal component analysis (pca). pulp was treated with xylanase for 4-8 hwith stirring at 30 degrees c. some samples were further extracted with naoh for 1 h at 65 degrees c. ftir spectra were recorded directly from the dried pulp samples by using the diffuse reflectance technique. reduction in kappa number of 69% was obtained after sequence xylanase ...200111963892
field performance of sugarcane (saccharum sp.) plants derived from cryopreserved calluses.this study compared the field performance of sugarcane plants originating from three different sources: control, non-cryopreserved embryogenic calluses, cryopreserved embryogenic calluses and macropropagated material of the same commercial hybrid. several agronomic traits were evaluated on 100 plants per treatment over a 27-month period covering the growth of the stool and of the first ratoon. significant differences between treatments were observed only during the first six months of field grow ...201411912504
sugarcane genomics: depicting the complex genome of an important tropical crop.in the past few years, approaches such as molecular cytogenetics and the use of molecular markers have permitted significant advances in the establishment of the evolutionary origin and genome structure of sugarcane, an important polyploid crop. the availability of new resources, such as a bacterial artificial chromosome library and a huge collection of expressed sequence tags, has opened the gateway to promising functional analyses on a genomic scale.200211856607
potentiometric flow injection determination of glycerol in distilled spirits.a single-line flow injection system including a tubular periodate-selective electrode without inner reference solution is proposed for glycerol determination in distilled spirits, based on oxidation of this polyol by periodate. interferences due to 5.0 mg l(-1) cu, 5000 mg l(-1) sucrose, and 3000 mg l(-1) fructose plus glucose were investigated. the procedure is characterized by a linear response for 20-500 mg l(-1) glycerol (r > 0.9999, n = 7), a relative standard deviation of results of <0.03, ...200211754545
integrated production of biodegradable plastic, sugar and ethanol.poly 3-hydroxybutyric acid (phb) and related copolymers can be advantageously produced when integrated into a sugarcane mill. in this favorable scenario, the energy necessary for the production process is provided by biomass. carbon dioxide emissions to the environment are photosynthetically assimilated by the sugarcane crop and wastes are recycled to the cane fields. the polymer can be produced at low cost considering the availability of a low-price carbon source and energy.200111693904
microsatellite markers from sugarcane (saccharum spp.) ests cross transferable to erianthus and sorghum.analysis of a sugarcane (saccharum spp.) est (expressed sequence tag) library of 8678 sequences revealed approximately 250 microsatellite or simple sequence repeats (ssrs) sequences. a diversity of dinucleotide and trinucleotide ssr repeat motifs were present although most were of the (cgg)(n) trinucleotide motif. primer sets were designed for 35 sequences and tested on five sugarcane genotypes. twenty-one primer pairs produced a pcr product and 17 pairs were polymorphic. primer pairs that produ ...200111337068
mathematical modeling of controlled-release systems of herbicides using lignins as matrices. a review.the herbicides applied in soils can be easily lost, owing to leaching, volatilization, and bio- and photodegradation. controlled-release systems using polymeric matrices claim to solve these problems. the movement of the herbicides in the soil is also an important phenomenon to be studied in order to evaluate the loss processes. the development of mathematical models is a relevant requirement for simulation and optimization of such systems. this study reviews mathematical models as an initial st ...200010849821
characterisation of microsatellite markers from sugarcane (saccharum sp.), a highly polyploid species.cultivated sugarcane varieties (saccharum spp) are derived from complex interspecific hybridisations between the species s. spontaneum (2n=40-128) and s. officinarum (2n=60 or 80). to analyse this complex genome, the potential of microsatellite repeats as genetic markers in sugarcane with respect to their abundance, variability and ability to detect polymorphisms was investigated. a set of microsatellite markers for genome analysis in cultivated sugarcane was identified from an enriched genomic ...200010814819
moldy sugarcane poisoning--a case report with a brief review.a five-year-old girl developed an acute encephalopathy after eating a piece of moldy sugarcane. delayed symptomatic dystonia was the main effect; cranial ct scans revealed bilateral lenticular lucencies. this case is typical of moldy sugarcane poisoning cases previously reported only in china. 3-nitropropionic acid produced by arthrinium sp is the most likely etiologic agent.19957629905
phylogenetic analysis of organellar dna sequences in the andropogoneae: saccharinae.to study the phylogenetics of sugarcane (saccharum officinarum l.) and its relatives we sequenced four loci on cytoplasmic genomes (two chloroplast and two mitochondrial) and analyzed mitochondrial rflps generated using probes for coxi, coxii, coxiii, cob, 18s+5s, 26s, atpase 6, atpase 9, and atpase α (d'hont et al. 1993). approximately 650 bp of dna in the intergenic spacer region between rbcl and atpb and approximately 150 bp from the chloroplast 16s rdna through the intergenic spacer region t ...199424186245
a molecular approach to unraveling the genetics of sugarcane, a complex polyploid of the andropogoneae tribe.modern sugarcane varieties are complex aneuploids and typically have chromosome numbers in the 100-125 range with about 5-10% of them contributed by wild relatives, mainly saccharum spontaneum, and the rest by s. officinarum. this particular genomic constitution was found favorable for mapping the s. spontaneum genome, using maize as a diploid reference for comparison. we conducted an analysis of 32 individuals derived from the selfing of variety sp 701006 using four isozymes and 53 maize probes ...199418470072
phylogenetic analysis of chloroplast restriction enzyme site mutations in the saccharinae griseb. subtribe of the andropogoneae dumort. tribe.chloroplast (cp) dna from 32 genotypes representing eight genera and 19 species from the andropogoneae tribe was analyzed using 15 restriction enzymes and southern hybridization with 12 cpdna probes that span the complete rice chloroplast genome. six of the genera, saccharum, miscanthus, erianthus, narenga, eccoilopus, and sclerostachya, are part of the saccharinae subtribe, whereas the other two, zea and sorghum, were used as outgroups. narenga, miscanthus, erianthus, and sclerostachya are pres ...199424190471
cryopreservation of apices of in vitro plantlets of sugarcane (saccharum sp. hybrids) using encapsulation/dehydration.a cryopreservation process using encapsulation/dehydration was set up for apices sampled on in vitro plantlets of sugarcane. after dissection, apices were cultured for one day on standard medium and then encapsulated in medium with 3% alginate. optimal conditions comprised preculture for 2 days in liquid medium with 250 g.l(-1) sucrose, desiccation for 6 hours under the laminar flow or for 10-11 hours with silicagel followed by rapid freezing and slow thawing. survival after freezing in liquid n ...199324196115
genotypic variability in vulnerability of leaf xylem to cavitation in water-stressed and well-irrigated sugarcane.genotypic variability in vulnerability of leaf xylem to water-stress-induced cavitation was determined in four sugarcane (saccharum sp.) clones using detached leaf segments in a hydraulic conductivity apparatus. vulnerability curves were constructed by plotting the percentage of maximum conductivity versus leaf water potential (psi(i)) and fitting curves using a weibull function. the psi(i) at which each clone lost 10, 50, and 80% of maximum conductivity was determined. maximum conductivity per ...199216653010
suitability of some local agro-industrial wastes as carrier materials forrhizobium sp. infectingsesbania bispinosa.two indigenous rhizobial strains (sb-1 and jjs-1) infectingsesbania bispinosa survived at room temperature (32±2°c) up to 90 days in filtermud (the best system), peat, charcoal, sugarcane bagasse and sawdust (the poorest system). viable counts remained more than 10(8)/g up to 75 days in filtermud, peat and charcoal.199224425491
solute distribution between vacuole and cytosol of sugarcane suspension cells: sucrose is not accumulated in the vacuole.the compartmentation of solutes in suspension cells of saccharum sp. during different growth phases in batch culture was determined using cucl2 to permeabilize the plasma membrane of the cells. the efflux of cytosolic and vacuolar pools of sugars, cations and phosphate was monitored, and the efflux data for phosphate were compared and corrected using data from compartmentation analysis of phosphate as determined by (31)p-nuclear magnetic resonance spectroscopy. the results show that sucrose is n ...199224186659
sucrose storage in cell suspension cultures of saccharum sp. (sugarcane) is regulated by a cycle of synthesis and degradation.we have investigated the regulation of sucrose storage in cell-suspension cultures of sugarcane. when grown in batch culture, sucrose accumulation commences after about 5 d, when the nitrogen supply is exhausted. sucrose storage is also induced by decreasing the nitrogen supply to cells growing in a chemostat. the measured activity of sucrose-phosphate synthase is high enough to account for the rate of sucrose accumulation, provided precautions are taken to avoid the hydrolysis of udp during the ...199124193530
sucrose uptake into vacuoles of sugarcane suspension cells.uptake of sucrose into vacuoles of suspension cells of saccharum sp. (sugarcane) was investigated using a vacuole-isolation method based on osmotic- and ph-dependent lysis of protoplasts. vacuoles took up sucrose at high rates without the influence of tonoplast energization on sucrose transport. neither addition of atp or pyrophosphate nor dissipation of the membrane potential or the ph gradient by ionophores changed uptake rates appreciably. generation of an atp-dependent ph gradient across the ...199124186582
plant regeneration from a cryopreserved embryogenic cell suspension of a commercial sugarcane hybrid (saccharum sp.).efficient plant regeneration was obtained from a cryopreserved embryogenic cell suspension of sugarcane established from leaf derived callus. pregrowing the cells for three days in ms basal medium supplemented with 0.33 m sorbitol was essential to the process. the cells were cooled at a rate of 0.5°c/min to -40°c and then stored in liquid nitrogen. thawing was carried out rapidly in water at +40°c, and the cells were then plated without washing onto filter paper discs placed on a semi-solid rege ...199024227168
purification and partial characterization of a fructanase which hydrolyzes natural polysaccharides from sugarcane juice.a new sugarcane (saccharum officinarum l.) fructanase which hydrolyzes both high molecular weight polysaccharides mid r:fructose(4):galactitol(5)mid r:(n) (sp) and moderate-sized carbohydrates mid r:fructose(2):galactitol(3)3mid r:(n) (mmwc) has been purified from sugarcane juice. the k(m) value has been estimated to be 33.7 micrograms per milliliter and 20 micrograms per milliliter for sp and mmwc, respectively. the optimal ph and temperature values are 6.0 and 30 degrees c, respectively. purif ...199016667334
the oxidation of extracellular nadh by sugarcane cells: coupling to ferricyanide reduction, oxygen uptake and ph change.suspension-cultured cells of sugarcane (saccharum sp. hybrids) did not oxidize exogenously supplied nadh in the absence of ferricyanide (potassium hexacyanoferrate [iii]), whereas they did at a low rate in the presence of ferricyanide. concomitantly, ferricyanide was reduced at a slow rate. neither a ph change nor a change in respiration was caused by the addition of nadh and-or ferricyanide, but ferricyanide was a strong inhibitor of sugar transport. in contrast to cells, protoplasts rapidly ox ...198724232839
evidence for a uridine-5'-diphosphate-glucose-protectedp-chloromercuribenzene sulfonic acid-binding site in sugarcane vacuoles.the uptake of uridine-5'-diphosphate (udp) glucose into vacuoles isolated fromsaccharum sp. cells was fully inhibited by pretreatment with 50 μmp-chloromercuribenzenesulfonic acid (pcmbs) and was not affected by n-ethylmaleimide up to a concentration of 5 mm. the addition of 10 mm udp-glucose during the pretreatment partially protected the uptake mechanism from pcmbs inhibition, while the presence of adenosine-5'-diphosphate (adp) glucose or of various hexose-phosphates had no protective effect. ...198624232430
a group translocator for sucrose assimilation in tonoplast vesicles of sugarcane cells.existence of a group translocator for sucrose transfer into vacuoles of sugarcane (saccharum sp.) cells has been further confirmed by the use of tonoplast vesicles isolated from intact vacuoles. the group translocator depends on external udp-glucose (glc) and, via a series of enzymic reactions within the tonoplast, sucrose phosphate and sucrose are deposited inside the vesicles. fructose-6-phosphate was not required for udp-glc uptake, nor was it taken up. none of the other sugar phosphates test ...198616664603
evaluation of cultivar-testing locations in sugarcane.selection of test locations, representative of conditions and practices of an area can be a challenging process in a breeding program. data from two groups of sugarcane (trispecies hybrids of saccharum sp.) cultivar experiments in florida were analyzed to determine if relative cultivar response at any two of six current locations was sufficiently similar so that at least one location could be replaced by a location with a different environment. the parameter analyzed was metric tons per ha of su ...198524247333
vacuoles from sugarcane suspension cultures : iii. protonmotive potential difference.the electrochemical proton gradient across the tonoplast of isolated (saccharum sp.) vacuoles and vacuoles in situ was measured. the isolated vacuoles show no significant protonmotive potential difference, the ph gradient of 0.8 (inside acid) was balanced by a membrane potential of about -80 mv (inside negative). from ph and uncoupler insensitivity and k(+) sensitivity, it was concluded that the experimentally caused k(+) gradient created the electric potential.qualitatively different results we ...198216662395
vacuoles from sugarcane suspension cultures : ii. characterization of sugar uptake.vacuoles, isolated from sugarcane (saccharum sp.) cells, took up 3-o methylglucose and sucrose and the evidence suggests specific transport systems for these sugars. there was no evidence of sugar efflux from preloaded vacuoles. vacuoles in situ accumulated 3-o methylglucose, sucrose, glucose, and fructose, as shown by incubation of protoplasts with labeled sugar and subsequent analysis of vacuolar and cytoplasmic radio-activity. during the initial minutes of incubation, the amount and concentra ...198216662394
vacuoles from sugarcane suspension cultures : i. isolation and partial characterization.vacuoles were isolated from suspension cultures of sugarcane (saccharum sp.) cells by centrifugation of protoplasts at high g force against a 12% (w/v) ficoll solution. distribution of marker enzymes and concanavalin a binding showed an 11% contamination of the vacuole preparation by cytoplasmic components, mitochondria, and endoplasmic reticulum, and 18% contamination by plasma membrane. acid phosphatase, carboxypeptidase, protease, peroxidase, and ribonuclease activities were enriched in isola ...198216662393
effect of several environmental parameters on carbon metabolism in histosols.high specific activity(14)c-labeled glucose, succinate, acetate, salicylate, and amino acids were used to examine carbon metabolism by the microbial community of pahokee muck (alithic medisaprist), a drained, cultivated soil of the florida everglades. variations in carbon oxidation were observed from the end of the wet season through the dry season in a fallow (bare) field. evolution of(14)co2 varied with the substrate added and time. calculation of(14)co2 evolution for each substrate as a propo ...198024232520
combining ability and parental evaluation in five selected clones of sugarcane (saccharum sp. hybrids).five hawaiian commercial sugarcane (saccharum sp. hybrids) clones were crossed in a full diallel. four morphological characters were studied in the progeny: number of millable stalks per plant, stalk diameter, stalk length, and sucrose content. a fifth character, plant volume, was calculated from stalk number, stalk diameter and stalk length. the five selected parental clones were treated as fixed variables in the analysis. general combining ability (gca) was significant for all five characters; ...198024305911
effects of cryoprotectants in combination on the survival of frozen sugarcane cells.cryoprotection of suspension cultures of sugarcane cells (saccharum sp.) during freezing to various temperatures was tested using glucose, dimethylsulfoxide, and ethylene glycol at various concentrations, alone and in combinations. viability of the thawed cells was assessed by triphenyltetrazolium chloride reduction, cell growth, and microscopic examination. enhanced cryoprotection-as much as a doubling in viability value-was achieved by employing glucose and dimethylsulfoxide in mixtures, as co ...197916660775
a vigorous mutant sugarcane (saccharum sp.) clone co 527.a vigorous fast growing mutant which ends vegetative growth sixty days earlier than the parent variety co 527 was isolated from gamma irradiated vegetative buds. the mutant initially segregated but stabilized in the vm4 generation. its growth rate was almost fifty per cent higher than co 527 beginning in the early stages of growth. it produced a significantly higher early shoot population which enabled it to yield a higher number of millable canes at maturity. economic characters like sucrose co ...197824317906
characteristics of a galactose-adapted sugarcane cell line grown in suspension culture.although d-galactose is normally toxic to sugarcane (saccharum sp.) cells, a cell line that grows on 100 mm galactose has been propagated. nonadapted cells in a medium containing galactose instead of sucrose accumulate udp-galactose; these cells also have much lower udp-galactose 4-epimerase (ec 5.1.3.2) activity than do adapted cells. this enzyme may determine whether or not galactose will cause toxicity symptoms to develop. the growth rate of galactose-adapted cells is similar to most cell lin ...197816660333
properties and subcellular distribution of two partially purified ornithine transcarbamoylases in cell suspensions of sugarcane.the spatially separated forms of ornithine transcarbamoylase (ec 2.1.3.3) of different molecular weights coexist in sugarcane (saccharum sp.). the smaller form of the enzyme (mol wt 79,000) appears to be cytoplasmic, while a larger form (mol wt 224,000) sedimented with mitochondria. the km of the cytoplasmic enzyme for ornithine was 3.11 mm, while the enzyme in the mitochondrial fraction had a km of 0.50 mm for this substrate; both enzymes had similar affinity for carbamoyl phosphate (0.12 mm). ...197716660023
selection studies in sugarcane (saccharum sp. hybrids) : iii. a method to determine sample size for the estimation of population variance.an approximate method to determine sample size for the estimation of population variance, σ(2), is given. the estimate of σ(2) is denoted as s(2) . based on the assumption of a normal distribution for (s(2)/σ(2)-1), the sample size is approximately equal to 20,000 z(2) p,/k(2); where z is a standard normal deviate, p is the probability that δs(2) (≡ 100¦s(2) - σ(2)¦/σ(2)) is less than, or equal to, a critical value k, and k (measured as gds(2)) is the desired precision of s(2) .the expected valu ...197724317535
influence of agricultural activities, forest fires and agro-industries on air quality in thailand.annual and monthly-based emission inventories in northern, central and north-eastern provinces in thailand, where agriculture and related agro-industries are very intensive, were estimated to evaluate the contribution of agricultural activity, including crop residue burning, forest fires and related agro-industries on air quality monitored in corresponding provinces. the monthly-based emission inventories of air pollutants, or, particulate matter (pm), nox and so2, for various agricultural crops ...201728254062
development of the crop residue and rangeland burning in the 2014 national emissions inventory using information from multiple sources.biomass burning has been identified as an important contributor to the degradation of air quality because of its impact on ozone and particulate matter. one component of the biomass burning inventory, crop residue burning, has been poorly characterized in the national emissions inventory (nei). in the 2011 nei, wildland fires, prescribed fires, and crop residue burning collectively were the largest source of pm2.5. this paper summarizes our 2014 nei method to estimate crop residue burning emissi ...201727964698
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 ...201627012716
conservation and divergence of plant lhp1 protein sequences and expression patterns in angiosperms and gymnosperms.floral transition is a critical and strictly regulated developmental process in plants. mutations in arabidopsis like heterochromatin protein 1 (atlhp1)/terminal flower 2 (tfl2) result in early and terminal flowers. little is known about the gene expression, function and evolution of plant lhp1 homologs, except for arabidopsis lhp1. in this study, the conservation and divergence of plant lhp1 protein sequences was analyzed by sequence alignments and phylogeny. lhp1 expression patterns were compa ...201121416255
expansion of sugarcane ethanol production in brazil: environmental and social challenges.several geopolitical factors, aggravated by worries of global warming, have been fueling the search for and production of renewable energy worldwide for the past few years. such demand for renewable energy is likely to benefit the sugarcane ethanol industry in brazil, not only because sugarcane ethanol has a positive energetic balance and relatively low production costs, but also because brazilian ethanol has been successfully produced and used as biofuel in the country since the 1970s. however, ...200818536250
fate and effects of the triazinone herbicide metribuzin in experimental pond mesocosms.metribuzin is a triazinone herbicide that is widely used for the control of grasses and broad-leaved weeds in soybeans, sugarcane, and numerous other crops. metribuzin is highly toxic to freshwater macrophytes and algae under laboratory conditions (median plant ec(50) = 31 microg/l; n = 11 species) but has not been studied under controlled outdoor conditions. we conducted a 6-week study to examine the aquatic fate and effects of metribuzin in 0.1-ha outdoor aquatic mesocosms. mesocosms (n = 2 pe ...200212115045
cold-induced sudden reversible lowering of in vivo chlorophyll fluorescence after saturating light pulses : a sensitive marker for chilling susceptibility.in chilling-sensitive plants (glycine max, saintpaulia ionantha, saccharum officinarum) a sudden reversible drop in chlorophyll fluorescence occurs during photosynthetic induction immediately following saturating light pulses at low temperatures in the range 4 to 8 degrees c. a comparison of two soybean cultivars of different chilling sensitivities revealed that this phenomenon, termed lowwave, indicates specific thresholds of low temperature stress. its occurrence under controlled chilling can ...198916666615
genetic diversity of sugarcane bacilliform virus isolates infecting saccharum spp. in india.sugarcane bacilliform virus (scbv), which causes leaf freckle in sugarcane, is a member of the genus badnavirus. studies were conducted to characterize scbv in saccharum officinarum germplasm and cultivated varieties in india by sequencing the complete genomes of five isolates. genome lengths ranged from 7,553 to 7,884 nucleotides. duplications in orf3 and insertions in the rnase h-domain in some of the isolates were found to contribute to the large size of their genomes. the indian scbv isolate ...201323430710
fabrication, optimization, and characterization of noble silver nanoparticles from sugarcane leaf (saccharum officinarum) extract for antifungal application.metal nanoparticles obtained from green route are gaining significant prominence as a result of their potential applications in nanomedicine and material engineering. overall metal nanoparticles studied, silver nanoparticles (agnps) clutch prominent place in nanoparticles research field. herein, we have reported the green synthesis of saccharum officinarum leaf biomass extract-mediated synthesis of agnps. initial nanoparticle production was confirmed by visual observation as color change from li ...201728597158
sugarcane bacilliform virus encapsidates genome concatamers and does not appear to integrate into the saccharum officinarum genome.sugarcane bacilliform virus (scbv) dna molecules larger than the complete genome length of 7.6 kbp were detected in infected plants and in virions. we have confirmed that these high molecular weight nucleic acids were open circular dna and viral in origin. due to their open circular conformation, accurate size determination of the dna molecules was not possible using conventional electrophoresis. using field inversion gel electrophoresis (fige), however, the dna appeared to increase in genome si ...200415045565
exploiting est databases for the development and characterisation of 3425 gene-tagged cisp markers in biofuel crop sugarcane and their transferability in cereals and orphan tropical grasses.sugarcane is an important cash crop, providing 70% of the global raw sugar as well as raw material for biofuel production. genetic analysis is hindered in sugarcane because of its large and complex polyploid genome and lack of sufficiently informative gene-tagged markers. modern genomics has produced large amount of ests, which can be exploited to develop molecular markers based on comparative analysis with est datasets of related crops and whole rice genome sequence, and accentuate their cross- ...023379891
[morphological and molecular characterization of isolates of macrophomina phaseolina associated with sugarcane in mexico].charcoal rot caused by macrophomina phaseolina is an important disease of sugarcane in mexico. this study was carried out to characterize isolates of m. phaseolina obtained from sugarcane by the combination of morphological and molecular analyses. the morphological characterization of 10 isolates was performed using scanning electron microscopy and light microscopy. to confirm the morphological identification, rdna from two representative isolates was extracted, and the internal transcribed spac ...201525979147
partially consolidated bioprocessing of mixed lignocellulosic feedstocks for ethanol production.rapid urbanization and industrialization have accelerated the energy demand which cannot be met by decreasing fossil fuels thereby substantiate the need for lignocellulosic ethanol. the present study is one such attempt towards bioethanol production in an eco-friendly manner using enzymes in which a mixture of lignocellulosic biomass namely, ricinus communis, saccharum officinarum (tops) and saccharum spontaneum were taken as a substrate. the mixed biomass was processed through partially consoli ...201728898853
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 ...201626642345
an automatic on-line 2,2-diphenyl-1-picrylhydrazyl-high performance liquid chromatography method for high-throughput screening of antioxidants from natural products.many natural products are rich in antioxidants which play an important role in preventing or postponing a variety of diseases, such as cardiovascular and inflammatory disease, diabetes as well as breast cancer. in this paper, an automatic on-line 2,2-diphenyl-1-picrylhydrazyl-high performance liquid chromatography (dpph-hplc) method was established for antioxidants screening with nine standards including organic acids (4-hydroxyphenylacetic acid, p-coumaric acid, ferulic acid, and benzoic acid), ...201728939230
morphogenic regulators baby boom and wuschel improve monocot transformation.while transformation of the major monocot crops is currently possible, the process typically remains confined to one or two genotypes per species, often with poor agronomics, and efficiencies that place these methods beyond the reach of most academic laboratories. here, we report a transformation approach involving overexpression of the maize (zea mays) baby boom (bbm) and maize wuschel2 (wus2) genes, which produced high transformation frequencies in numerous previously non-transformable maize i ...201627600536
low cost sorbents for the removal of methyl parathion pesticide from aqueous solutions.sorptive potential of selected agricultural waste materials i.e. rice (oryza sativa) bran (rb), bagasse fly ash (bfa) of sugarcane (saccharum officinarum), moringa oleifera pods (mop) and rice husk (rh) for the removal of methyl parathion pesticide (mp) from surface and ground waters has been investigated. optimization of operating parameters of sorption process, i.e. sorbent dose, agitation time, ph, initial concentration of sorbate, and temperature have been studied. the sorption data fitted t ...200717109916
isolation and characterization of a satellite dna family in the saccharum complex.eacir1, a 371-bp erianthus-specific satellite dna sequence, was cloned from taqi restricted genomic dna after agarose-gel electrophoresis. this sequence has 77% homology with a 365-bp satellite of helictotrichon convolutum and 72% homology with a 353-bp tandem repeat sequence from oryza sativa. pcr primers defined in the conserved regions of these repetitive sequences were used to isolate other satellite dnas in different representatives of the saccharum complex: socir1 in saccharum officinarum, ...19989924794
transcriptomic characterization and potential marker development of contrasting sugarcane cultivars.sugarcane (saccharum officinarum l.) is an important crop for sugar production and bioenergy worldwide. in this study, we performed transcriptome sequencing for six contrasting sugarcane genotypes involved in leaf abscission, tolerance to pokkah boeng disease and drought stress. more than 465 million high-quality reads were generated, which were de novo assembled into 93,115 unigenes. based on a similarity search, 43,526 (46.74%) unigenes were annotated against at least one of the public databas ...201829374206
anti-fibrotic activity of polyphenol-enriched sugarcane extract in rats via inhibition of p38 and jnk phosphorylation.sugarcane (saccharum officinarum l.), which is one of the most important sources of sugar, is also rich in polyphenolic compounds. in this study, polyphenols from sugarcane were extracted, and the dominant component was characterized quantitatively via hplc to be (-)-epicatechin. fibrosis occurs in many organs and is associated with severe tissue damage. liver fibrosis is the excessive accumulation of extracellular matrix proteins and advanced liver fibrosis, resulting in cirrhosis, liver failur ...201829322133
evaluation of saccharum officinarum l. bagasse-derived polysaccharides as native immunomodulatory and anticoccidial agents in broilers.coccidiosis is one of the most important protozoal diseases of the poultry industry, inflicting heavy economic losses in the form of high mortality and morbidity in affected birds. under these circumstances, the development of nonchemical consumer-friendly strategies for its effective control is of paramount importance. therefore, this study was conducted to evaluate the sugarcane (saccharum officinarum l.) bagasse-derived polysaccharides as native immunomodulatory and anticoccidial agents in co ...201829279090
molecular characterization and co-expression analysis of the snrk2 gene family in sugarcane (saccharum officinarum l.).in plants, both abscisic acid (aba) dependent and independent pathways form the basis for the response to environmental stresses. sucrose non-fermenting 1-related protein kinase 2 (snrk2) plays a central role in plant stress signal transduction. however, complete annotation and specific expression patterns of snrk2s in sugarcane remain unclear. for the present study, we performed a full-length cdna library survey of sugarcane, thus identifying ten sosnrk2 genes via phylogenetic, local blast meth ...201729247208
identification of udp-glucose binding site in glycosyltransferase domain of sucrose phosphate synthase from sugarcane (saccharum officinarum) by structure-based site-directed mutagenesis.sucrose phosphate synthase (sps) is believed to be the key enzyme for controlling the biosynthesis of sucrose. spss consist of a functional glycosyltransferase domain that shares conserved residues with the glycosyltransferase domain of sucrose biosynthesis-related protein. the formation of sucrose-6-phosphate is catalyzed by sps with the transfer of a glycosyl group of uridine diphosphate glucose (udp-g) as an activated donor sugar to a fructose-6-phosphate as a sugar acceptor. however, underst ...201729222806
association of variation in the sugarcane transcriptome with sugar content.sugarcane is a major crop of the tropics cultivated mainly for its high sucrose content. the crop is genetically less explored due to its complex polyploid genome. sucrose synthesis and accumulation are complex processes influenced by physiological, biochemical and genetic factors, and the growth environment. the recent focus on the crop for fibre and biofuel has led to a renewed interest on understanding the molecular basis of sucrose and biomass traits. this transcriptome study aimed to identi ...201729178834
cell wall metabolism and hexose allocation contribute to biomass accumulation in high yielding extreme segregants of a saccharum interspecific f2 population.sugarcane is an emerging dual-purpose biofuel crop for energy and sugar production, owing to its rapid growth rate, high sucrose storage in the stems, and high lignocellulosic yield. it has the highest biomass production reaching 1.9 billion tonnes in 2014 worldwide.201729020919
genome-wide identification of leaf abscission associated micrornas in sugarcane (saccharum officinarum l.).sugarcane (saccharum officinarum l.) is an economically important crop, mainly due to the production of sugar and biofuel (azevedo ra, carvalho rf, cia mc, & gratão pl, trop plant biol 4:42-51, 2011). grown mainly in tropical and subtropical countries, sugarcane is a highly polyploid plant with up to ten copies of each chromosome, which increases the difficulties of genome assembly and genetic, physiologic and biochemical analyses. the increasing demands of sugar and the increasing cost of sugar ...201728946845
luxurious nitrogen fertilization of two sugar cane genotypes contrasting for lignin composition causes changes in the stem proteome related to carbon, nitrogen, and oxidant metabolism but does not alter lignin content.sugar cane is an important crop for sugar and biofuel production. its lignocellulosic biomass represents a promising option as feedstock for second-generation ethanol production. nitrogen fertilization can affect differently tissues and its biopolymers, including the cell-wall polysaccharides and lignin. lignin content and composition are the most important factors associated with biomass recalcitrance to convert cell-wall polysaccharides into fermentable sugars. thus it is important to understa ...201728836437
a dynamic hydro-mechanical and biochemical model of stomatal conductance for c4 photosynthesis.c4 plants are major grain (maize [zea mays] and sorghum [sorghum bicolor]), sugar (sugarcane [saccharum officinarum]), and biofuel (miscanthus spp.) producers and contribute ∼20% to global productivity. plants lose water through stomatal pores in order to acquire co2 (assimilation [a]) and control their carbon-for-water balance by regulating stomatal conductance (gs). the ability to mechanistically predict gs and a in response to atmospheric co2, water availability, and time is critical for simu ...201728751312
scale insects (hemiptera: coccomorpha) on sugarcane in colombia, with description of a new species of tillancoccus ben-dov (coccidae).herein we describe a new species, tillancoccus koreguajae caballero & ramos, sp. n. (hemiptera: coccidae) from colombia collected on sugarcane. pinnaspis strachani (cooley) is also recorded on sugarcane for the first time worldwide. an updated list of seven species of coccomorpha on sugarcane in colombia is provided, including information on its distribution, biology, and mutualistic ants for each species. seven species of scale insects (hemiptera: coccomorpha) have been recorded previously on s ...201728609908
a survey of the complex transcriptome from the highly polyploid sugarcane genome using full-length isoform sequencing and de novo assembly from short read sequencing.despite the economic importance of sugarcane in sugar and bioenergy production, there is not yet a reference genome available. most of the sugarcane transcriptomic studies have been based on saccharum officinarum gene indices (sogi), expressed sequence tags (ests) and de novo assembled transcript contigs from short-reads; hence knowledge of the sugarcane transcriptome is limited in relation to transcript length and number of transcript isoforms.201728532419
plant regeneration from cell suspension culture in saccharum officinarum l. and ascertaining of genetic fidelity through rapd and issr markers.the aim of this study was to produce sugarcane plantlets from cell suspension culture and study its genetic fidelity using molecular markers. the study was carried out using sugarcane varieties co 86032 and q117. callus cultures of both the varieties were optimized using six different callus induction media. after screening the growth response of callus on six different callus induction media, it was observed that medium no. vi supplemented with 500 mg l-1 of each pvp, casein hydrolysate and mes ...201728391480
physicochemical and sensory (aroma and colour) characterisation of a non-centrifugal cane sugar ("panela") beverage.non-centrifugal cane sugar (ncs), also called "panela", is a high carbohydrate-content food obtained by boil evaporation of the sugar cane juice. this study was undertaken to assess physicochemical properties and sensory characteristics of panela beverage at two different concentrations. evaluation of ph, °brix, and colour (tristimulus colorimetry) was carried out in all panela drink samples. in order to characterise the odour-active volatiles of the beverage, a simultaneous steam distillation-s ...201728317778
effect of spray drying on physical properties of sugarcane juice powder (saccharum officinarum l.).the aim of the present study was to investigate the spray drying behavior of sugarcane juice with (psj) and without (csj) citric acid the effects of different levels (10-50%) of carrier agents (maltodextrin (md), gum arabic, liquid glucose and carrot fiber) at varying operating conditions of inlet and outlet temperature and feed concentration during spray drying was also studied. spray dried powders from psj and csj were analyzed for physical properties such as wettability, cohesiveness, dispers ...201728298682
effect of sugar industry spentwash (diluted) on the characteristics of soil and sugarcane (saccharum officinarum l.) growth in the subtropical environment of sindh, pakistan.spentwash is a rich source of organic matter and essential plant nutrients in addition to excess salts. sugar mills in pakistan discharge about 3.48 million tons of spentwash annually, with no proper procedures for its disposal or utilization. to test the effect of diluted spentwash on soil and the soil's ability to support plant growth, sugarcane (saccharum officinarum l.) variety cpf-237 was planted. the experiment was conducted in a randomized complete block design involving factorial combina ...201728243931
early selection of sugarcane using path analysis.the aim of this study was to analyze sugarcane (saccharum officinarum) biometric and technological data, obtained at different timepoints, using path analysis. the experiment was conducted in união, pi, brazil, and evaluated 12 sugarcane genotypes (rb036066, rb9438, rb935744, rb021764, rb021754, rb021534, rb966229, rb977540, rb863129, and rb987935, and the varieties rb92579 and rb867515 as controls) in a randomized block design with four replications. data were collected at six timepoints that w ...201728198498
complete chloroplast genomes of erianthus arundinaceus and miscanthus sinensis: comparative genomics and evolution of the saccharum complex.the genera erianthus and miscanthus, both members of the saccharum complex, are of interest as potential resources for sugarcane improvement and as bioenergy crops. recent studies have mainly focused on the conservation and use of wild accessions of these genera as breeding materials. however, the sequence data are limited, which hampers the studies of phylogenetic relationships, population structure, and evolution of these grasses. here, we determined the complete chloroplast genome sequences o ...201728125648
comparison between ground ant (hymenoptera: formicidae) communities foraging in the straw mulch of sugarcane crops and in the leaf litter of neighboring forests.in many sugarcane plantations in brazil, the straw is left on the soil after harvesting, and vinasse, a by-product of the production of sugar and ethanol, is used for fertigation. our goal was to compare ant community composition and species richness in the straw mulch of sugarcane crops with the leaf litter of neighboring forests. we tested the hypothesis that ant communities in the straw mulch of vinasse-irrigated sugarcane crops and in the forest leaf litter were similar, because the combinat ...201728053209
new subgroup 16srxi-f phytoplasma strain associated with sugarcane grassy shoot (scgs) disease in india.a novel phytoplasma subgroup strain sc-phy385 (genbank accession number hf586648) was found associated with sugarcane grassy shoot (scgs) disease in india. sugarcane (saccharum officinarum l.) leaf samples with 'grassy shoot' symptoms were collected from the western region of maharashtra state. the analysis based on restriction fragment length polymorphism (rflp) profiles and 16s rrna gene sequences indicated that most of the phytoplasma strains belong to the 16srxi-b group. however, scgs phytop ...201727902251
d-003 (saccharum officinarum): the forgotten lipid-lowering agent.reduction of elevated cholesterol levels, particularly low-density lipoprotein cholesterol (ldl-c), is essential in primary and secondary prevention of cardiovascular disease (cvd). therefore there is still a large need for new effective drugs, which would be able to essentially reduce ldl-c and in the consequence cv residual risk. d-003 is a mixture of high aliphatic primary acids purified from sugarcane (saccharum officinarum) wax. it showed promising hypocholesterolemic effects in both animal ...201627751878
composition, taste, aroma, and antioxidant activity of solidified noncentrifugal brown sugars prepared from whole stalk and separated pith of sugarcane (saccharum officinarum l.).in this study, 2 types of solidified noncentrifugal brown sugars (w-ncs and p-ncs) were prepared from the whole stalk and separated pith, respectively, of raw sugarcane (saccharum officinarum l.). these products were discriminated in terms of their quality attributes, including color, sugars and minerals composition, taste, aroma, and antioxidant activity. the brown color of p-ncs was clearly different compared with that of w-ncs with a color difference value (δe* ) of 9.36. there was no differe ...201627780296
steam pretreatment of saccharum officinarum l. bagasse by adding of impregnating agents for advanced bioethanol production.the main byproduct of the sugarcane industry, saccharum officinarum l. bagasse (sugarcane bagasse, scb), is widely used as lignocellulose biomass for bio-ethanol (etoh) production. in this research study, scb was pretreated by steam explosion (se) method using two different impregnating agents: sulfur dioxide (sd) and hydrogen peroxide (hp). as matter of fact, the use of impregnating agents improves the performance of se method, increasing the concentrations of fermentable sugars after enzymatic ...201626314609
analysis of biomechanical parameters in colonic anastomosis.the use of measures in colonic anastomoses to prevent dehiscences is of great medical interest. sugarcane molasses, which has adequate tolerability and compatibility in vivo, has not yet been tested for this purpose.201727438033
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., ...201626938642
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 ...201626820137
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 ...201626795733
protective effect of saccharum officinarum l. (sugar cane) juice on isoniazid induced hepatotoxicity in male albino mice.isoniazid (inh) is the drug of choice for treatment of tuberculosis (tb) and it is a well-known-cause of acute clinical liver injury which can be severe and sometimes fatal. the study was designed to investigate the effects of saccharum officinarum l. juice on oxidative liver injury due to inh in mice.201626411113
prionic acid: an effective sex attractant for an important pest of sugarcane, dorysthenes granulosus (coleoptera: cerambycidae: prioninae).male dorysthenes granulosus (thomson, 1860) (coleoptera: cerambycidae: prioninae) were caught in traps baited with racemic 3,5-dimethyldodecanoic acid (prionic acid) during field screening trials in china that tested known cerambycid pheromones. this species is an important pest of sugarcane (saccharum officinarum l.). in follow-up dose-response trials, plastic sachets loaded with 1 or 0.1 mg of prionic acid were equally attractive to male beetles, whereas lower doses were no better than control ...201626362990
phytochemical profile of sugarcane and its potential health aspects.sugarcane (saccharum officinarum linn.) is an important perennial grass of poaceae family, indigenous to tropical south asia and southeast asia. it is cultivated worldwide due to the economical and medicinal value of its high yielding products. sugarcane juice is well known as a raw material for the production of refined sugar and its wax is considered as a potential substitute for the expensive carnauba wax, which is of cosmetic and pharmaceutical interest. refined sugar is the primary product ...201726009693
mites associated with sugarcane crop and with native trees from adjacent atlantic forest fragment in brazil.in some brazilian regions the atlantic forest biome is currently restrict to fragments occurring amid monocultures, as sugarcane crops in the northeast region. important influence of forest remnants over mite fauna of permanent crops have been showed, however it has been poorly explored on annual crops. the first step for understanding ecological relationship in an agricultural systems is known its composition. the objective of this study was to investigate the plant-inhabiting mite fauna associ ...201526003668
direct saponification preparation and analysis of free and conjugated phytosterols in sugarcane (saccharum officinarum l.) by reversed-phase high-performance liquid chromatography.a simple method based on direct saponification followed by rp-hplc analysis was developed for quantification of free and conjugated sterols in sugarcane. acid hydrolysis prior to alkaline saponification was used to determined acylated steryl glycoside and steryl glycoside in sugarcane. the applicability and generality of this method were improved with intensive investigation. compared to traditional solvent extraction method, this method was more time saving and appropriate for characterization ...201525794713
phylogenetic analysis of saccharum s.l. (poaceae; andropogoneae), with emphasis on the circumscription of the south american species.polyploidy and reticulate evolution are often a complication for discovering phylogenetic relationships between genera and species. despite the huge economic importance of sugarcane (saccharum officinarum-poaceae, andropogoneae), the limits of the genus saccharum and its species are complex and largely unresolved, involving both polyploidy and reticulate evolution. this study aimed to assess the phylogenetic relationships of saccharum s.l., including erianthus and tripidium, as well as investiga ...201525667078
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