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https://www.readbyqxmd.com/read/28330302/production-of-bioherbicide-by-phoma-sp-in-a-stirred-tank-bioreactor
#1
Thiarles Brun, Jéssica E Rabuske, Izelmar Todero, Thiago C Almeida, Jair J D Junior, Gustavo Ariotti, Tássia Confortin, Jonas A Arnemann, Raquel C Kuhn, Jerson V C Guedes, Marcio A Mazutti
The objective of this work was to produce an herbicide by submerged fermentation in a stirred-tank bioreactor and to assess the potential herbicidal in pre-emergence, post-emergence, and in a detached leaves of Cucumis sativus var species. wisconsin (cucumber) and Sorghum bicolor (sorghum) species. Fermentations were carried out in a stirred-tank bioreactor with useful volume of 3L. Stirring rate (40, 50, and 60 rpm) and aeration (1, 2 and 3 vvm) were the variables studied for bioherbicide production. Fermented broth was fractioned with different solvents to identify the molecules produced by the fungus in a multi-dimensional gas chromatograph system...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330236/xylanase-production-from-penicillium-citrinum-isolate-hzn13-using-response-surface-methodology-and-characterization-of-immobilized-xylanase-on-glutaraldehyde-activated-calcium-alginate-beads
#2
Zabin K Bagewadi, Sikandar I Mulla, Yogesh Shouche, Harichandra Z Ninnekar
The present study reports the production of high-level cellulase-free xylanase from Penicillium citrinum isolate HZN13. The variability in xylanase titers was assessed under both solid-state (SSF) and submerged (SmF) fermentation. SSF was initially optimized with different agro-waste residues, among them sweet sorghum bagasse was found to be the best substrate that favored maximum xylanase production (9643 U/g). Plackett-Burman and response surface methodology employing central composite design were used to optimize the process parameters for the production of xylanase under SSF...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330171/purification-and-characterization-of-endo-%C3%AE-1-4-d-glucanase-from-trichoderma-harzianum-strain-hzn11-and-its-application-in-production-of-bioethanol-from-sweet-sorghum-bagasse
#3
Zabin K Bagewadi, Sikandar I Mulla, Harichandra Z Ninnekar
An acidophilic-solvent-thermostable endo β-1,4-D-glucanase produced from a potential Trichoderma harzianum strain HZN11 was purified to homogeneity by DEAE-Sepharose and Sephadex G-100 chromatography with 33.12 fold purification with specific activity of 66.25 U/mg and molecular mass of ~55 kDa. The optimum temperature and pH were 60 °C and 5.5 retaining 76 and 85 % of activity after 3 h, respectively. It showed stability between pH 4.5-6.0 and temperature between 50-70 °C indicating thermostability...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330127/diversity-of-toxic-and-phytopathogenic-fusarium-species-occurring-on-cereals-grown-in-karnataka-state-india
#4
H Nagaraja, G Chennappa, K Poorna Chandra Rao, G Mahadev Prasad, M Y Sreenivasa
A total of 198 cereal samples (53 maize, 54 sorghum, 37 paddy and 54 wheat) were collected from 11 districts of Karnataka to understand the percent infection (PI), relative density (RD) and their frequency (Fr) caused by Fusarium spp. All samples were screened by agar plating method using MGA 2.5 agar media and incubated at 25 ± 2 °C for 3-5 days. The study revealed the association of 10 different Fusarium species known trichothecene producers such as Fusarium acuminatum, F. avenaceum, F. crookwellense, F...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330103/profiling-and-production-of-hemicellulases-by-thermophilic-fungus-malbranchea-flava-and-the-role-of-xylanases-in-improved-bioconversion-of-pretreated-lignocellulosics-to-ethanol
#5
Manju Sharma, Chhavi Mahajan, Manpreet S Bhatti, Bhupinder Singh Chadha
This study reports thermophilic fungus Malbranchea flava as a potent source of xylanase and xylan-debranching accessory enzymes. M. flava produced high levels of xylanase on sorghum straw containing solidified culture medium. The optimization of culture conditions for production of hemicellulases was carried out using one factor at a time approach and Box-Behnken design of experiments with casein (%), inoculum age (h) and inoculum level (ml) as process variables and xylanase, β-xylosidase, acetyl esterases and arabinofuranosidase as response variables...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28322928/a-temperature-responsive-gene-in-sorghum-encodes-a-glycine-rich-protein-that-interacts-with-calmodulin
#6
Supreet Singh, Amardeep Singh Virdi, Rajdeep Jaswal, Mrinalini Chawla, Sanjay Kapoor, Samar B Mohapatra, Narayanan Manoj, Ashwani Pareek, Sanjay Kumar, Prabhjeet Singh
Imposition of different biotic and abiotic stress conditions results in an increase in intracellular levels of Ca(2+) which is sensed by various sensor proteins. Calmodulin (CaM) is one of the best studied transducers of Ca(2+) signals. CaM undergoes conformational changes upon binding to Ca(2+) and interacts with different types of proteins, thereby, regulating their activities. The present study reports the cloning and characterization of a sorghum cDNA encoding a protein (SbGRBP) that shows homology to glycine-rich RNA-binding proteins...
March 18, 2017: Biochimie
https://www.readbyqxmd.com/read/28317736/evaluation-of-phenolic-profile-and-antioxidant-capacity-in-gluten-free-flours
#7
Gabriele Rocchetti, Giulia Chiodelli, Gianluca Giuberti, Francesco Masoero, Marco Trevisan, Luigi Lucini
The characterization of phenolic fingerprints in common gluten-free flours is still scarce. Total phenolic and anthocyanin contents, antioxidant capacity and the entire phenolic profile were investigated for extracts from chickpea, sorghum, quinoa, black rice, lentil, amaranth, brown rice, oat and white rice flours, using soft wheat flour as a comparison. The highest phenolic content was found in black rice, followed by quinoa extracts (147.9 and 87.2mg gallic acid equivalents 100g(-1), respectively). Consistently, antioxidant capacity was highest in black rice and quinoa flours (34mmol trolox equivalents 100g(-1)), while anthocyanins were highest in black rice flour...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28316047/exogenous-application-of-plant-growth-regulators-pgrs-induces-chilling-tolerance-in-short-duration-hybrid-maize
#8
Muhammad Ahmed Waqas, Imran Khan, Muhammad Javaid Akhter, Mehmood Ali Noor, Umair Ashraf
Chilling stress hampers the optimal performance of maize under field conditions precipitously by inducing oxidative stress. To confer the damaging effects of chilling stress, the present study aimed to investigate the effects of some natural and synthetic plant growth regulators, i.e., salicylic acid (SA), thiourea (TU), sorghum water extract (SWE), and moringa leaf extract (MLE) on chilling stress tolerance in autumn maize hybrid. Foliar application of growth regulators at low concentrations was carried out at six leaf (V6) and tasseling stages...
March 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28315232/land-use-change-in-indian-tropical-agro-ecosystems-eco-energy-estimation-for-socio-ecological-sustainability
#9
Sunil Nautiyal, Harald Kaechele, M S Umesh Babu, Pavan Tikhile, Sangeeta Baksi
This study was carried out to understand the ecological and economic sustainability of floriculture and other main crops in Indian agro-ecosystems. The cultivation practices of four major flower crops, namely Jasminum multiflorum, Crossandra infundibuliformis, Chrysanthemum and Tagetes erecta, were studied in detail. The production cost of flowers in terms of energy was calculated to be 99,622-135,996 compared to 27,681-69,133 MJ ha(-1) for the main crops, namely Oryza sativa, Eleusine coracana, Zea mays and Sorghum bicolor...
April 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28301718/the-wheat-lr34-multi-pathogen-resistance-gene-confers-resistance-to-anthracnose-and-rust-in-sorghum
#10
Wendelin Schnippenkoetter, Clive Lo, Guoquan Liu, Katherine Dibley, Wai Lung Chan, Jodie White, Ricky Milne, Alexander Zwart, Eunjung Kwong, Beat Keller, Ian Godwin, Simon G Krattinger, Evans Lagudah
The ability of the wheat Lr34 multi-pathogen resistance gene (Lr34res) to function across a wide taxonomic boundary was investigated in transgenic Sorghum bicolor. Increased resistance to sorghum rust and anthracnose disease symptoms following infection with the biotrophic pathogen Puccinia purpurea and the hemibiotroph Colletotrichum sublineolum respectively occurred in transgenic plants expressing the Lr34res ABC transporter. Transgenic sorghum lines that highly expressed the wheat Lr34res gene exhibited immunity to sorghum rust compared to the low expressing single copy Lr34res genotype that conferred partial resistance...
March 16, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28300780/simultaneous-determination-of-multi-mycotoxins-in-cereal-grains-collected-from-south-korea-by-lc-ms-ms
#11
Dong-Ho Kim, Sung-Yong Hong, Jea Woo Kang, Sung Min Cho, Kyu Ri Lee, Tae Kyung An, Chan Lee, Soo Hyun Chung
An improved analytical method compared with conventional ones was developed for simultaneous determination of 13 mycotoxins (deoxynivalenol, nivalenol, 3-acetylnivalenol, aflatoxin B₁, aflatoxin B₂, aflatoxin G₁, aflatoxin G₂, fumonisin B₁, fumonisin B₂, T-2, HT-2, zearalenone, and ochratoxin A) in cereal grains by liquid chromatography-tandem mass spectrometry (LC/MS/MS) after a single immunoaffinity column clean-up. The method showed a good linearity, sensitivity, specificity, and accuracy in mycotoxin determination by LC/MS/MS...
March 16, 2017: Toxins
https://www.readbyqxmd.com/read/28286717/sorghum-and-wheat-differentially-affect-caecal-microbiota-and-associated-performance-characteristics-of-meat-chickens
#12
Eduardo Crisol-Martínez, Dragana Stanley, Mark S Geier, Robert J Hughes, Robert J Moore
This study compared the effects of wheat- and sorghum-based diets on broiler chickens. The growth performance and caecal microbial community of chickens were measured and correlations between productivity and specific gut microbes were observed. Cobb broilers 15 days of age were individually caged and two dietary treatments were used, one with a wheat-based diet (n = 48) and another one with a sorghum-based diet (n = 48). Growth performance measurements were taken over a 10 day period and samples for microbiota analysis were taken at the end of that period...
2017: PeerJ
https://www.readbyqxmd.com/read/28273925/sorghum-dw1-positively-regulates-brassinosteroid-signaling-by-inhibiting-the-nuclear-localization-of-brassinosteroid-insensitive-2
#13
Ko Hirano, Mayuko Kawamura, Satoko Araki-Nakamura, Haruka Fujimoto, Kozue Ohmae-Shinohara, Miki Yamaguchi, Akihiro Fujii, Hiroaki Sasaki, Shigemitsu Kasuga, Takashi Sazuka
Semi-dwarf traits have been widely introgressed into cereal crops to improve lodging resistance. In sorghum (Sorghum bicolor L. Moench), four major unlinked dwarfing genes, Dw1-Dw4, have been introduced to reduce plant height, and among them, Dw3 and Dw1 have been cloned. Dw3 encodes a gene involved in auxin transport, whereas, Dw1 was recently isolated and identified as a gene encoding a protein of unknown function. In this study, we show that DW1 is a novel component of brassinosteroid (BR) signaling. Sorghum possessing the mutated allele of Dw1 (dw1), showed similar phenotypes to rice BR-deficient mutants, such as reduced lamina joint bending, attenuated skotomorphogenesis, and insensitivity against feedback regulation of BR-related genes...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28264051/manipulating-plant-geometry-to-improve-microclimate-grain-yield-and-harvest-index-in-grain-sorghum
#14
Sushil Thapa, Bob A Stewart, Qingwu Xue, Yuanquan Chen
Cultivar selection, planting geometry, and plant population are the key factors determining grain sorghum yields in water deficit areas. The objective of this study was to investigate whether clump geometry (three plants clustered) improves microclimate within crop canopy when plants are grown under varying water levels. In a 2-yr sorghum (Sorghum bicolor L. Moench) greenhouse study, plants were grown at two geometries (clump and conventional evenly spaced planting, ESP), two water levels (high and low, representing well-watered and water-limited condition, respectively), and three soil surface treatments (lid covered, straw-mulched, and bare)...
2017: PloS One
https://www.readbyqxmd.com/read/28262421/improvement-of-selective-lignin-degradation-in-fungal-pretreatment-of-sweet-sorghum-bagasse-using-synergistic-cuso4-syringic-acid-supplements
#15
Vartika Mishra, Asim K Jana, Mithu Maiti Jana, Antriksh Gupta
Sweet sorghum bagasse (SSB) generated in large quantities could be hydrolyzed to sugar and then fermented to green fuels. The hydrolysis of SSB polysaccharides interlocked in recalcitrant lignin network is the major problem. Pretreatment of SSB in SSF by using Coriolus versicolor with CuSO4-syringic acid supplements for effects on production of ligninocellulolytic enzymes, lignin degradation and selectivity values (SV) were studied. C. versicolor was selected based on high ligninolytic and low cellulolytic abilily...
May 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28261251/transcript-profiling-reveals-the-presence-of-abiotic-stress-and-developmental-stage-specific-ascorbate-oxidase-genes-in-plants
#16
Rituraj Batth, Kapil Singh, Sumita Kumari, Ananda Mustafiz
Abiotic stress and climate change is the major concern for plant growth and crop yield. Abiotic stresses lead to enhanced accumulation of reactive oxygen species (ROS) consequently resulting in cellular damage and major losses in crop yield. One of the major scavengers of ROS is ascorbate (AA) which acts as first line of defense against external oxidants. An enzyme named ascorbate oxidase (AAO) is known to oxidize AA and deleteriously affect the plant system in response to stress. Genome-wide analysis of AAO gene family has led to the identification of five, three, seven, four, and six AAO genes in Oryza sativa, Arabidopsis, Glycine max, Zea mays, and Sorghum bicolor genomes, respectively...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28256656/physicochemical-properties-of-kafirin-protein-and-its-applications-as-building-blocks-of-functional-delivery-systems
#17
REVIEW
Jie Xiao, Yunjiao Chen, Qingrong Huang
Kafirin, the major storage protein from grain sorghum, belongs to the prolamin protein family with its characteristic properties of being soluble in aqueous alcohol solutions, high proline content and high yield of ammonia upon hydrolysis. Due to its inferior nutritional quality and poor digestive performance in the human digestive tract, research efforts in recent years have been directed to its applications as novel value-added biomaterials. Recent studies revealed its unique physical properties of high hydrophobicity, good solubility in aqueous alcohol and acetic acid, elongated conformation and the ability to self-assemble into biomaterials with controlled morphology...
March 3, 2017: Food & Function
https://www.readbyqxmd.com/read/28255577/effect-of-harvesting-stage-on-sweet-sorghum-sorghum-bicolor-l-genotypes-in-western-kenya
#18
Moses Owuor Oyier, James O Owuoche, Maurice E Oyoo, Erick Cheruiyot, Betty Mulianga, Justice Rono
Harvesting stage of sweet sorghum (Sorghum bicolor L. Moench) cane is an important aspect in the content of sugar for production of industrial alcohol. Four sweet sorghum genotypes were evaluated for harvesting stage in a randomized complete block design. In order to determine sorghum harvest growth stage for bioethanol production, sorghum canes were harvested at intervals of seven days after anthesis. The genotypes were evaluated at different stages of development for maximum production of bioethanol from flowering to physiological maturity...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28255532/assembly-of-dynamic-p450-mediated-metabolons-order-versus-chaos
#19
REVIEW
Jean-Etienne Bassard, Birger Lindberg Møller, Tomas Laursen
PURPOSE OF REVIEW: We provide an overview of the current knowledge on cytochrome P450-mediated metabolism organized as metabolons and factors that facilitate their stabilization. Essential parameters will be discussed including those that are commonly disregarded using the dhurrin metabolon from Sorghum bicolor as a case study. RECENT FINDINGS: Sessile plants control their metabolism to prioritize their resources between growth and development, or defense. This requires fine-tuned complex dynamic regulation of the metabolic networks involved...
2017: Current Molecular Biology Reports
https://www.readbyqxmd.com/read/28254732/torrefaction-of-sorghum-biomass-to-improve-fuel-properties
#20
Yang Yue, Hari Singh, Bharat Singh, Sudhagar Mani
Torrefaction of energy sorghum and sweet sorghum bagasse was investigated at three different temperatures (250, 275 & 300°C) for 30min to determine product yields and its compositions. The torrefied solid yield ranged from 43% to 65% for sweet sorghum bagasse and 51-70% for energy sorghum. The energy density of both torrefied sorghums increased between 1.6 and 1.4 folds. Besides water, the acetic acid, with a maximum yield of 101.90gL(-1) was the dominant compound in the aqueous fraction of liquid products...
February 20, 2017: Bioresource Technology
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