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https://www.readbyqxmd.com/read/28444606/species-evolution-and-quality-evaluation-of-four-coptis-herbal-medicinal-materials-in-southwest-china
#1
Hanting Chen, Gang Fan, Yang He
Coptis herbs, which are important herbal medicinal materials, are the dried rhizomes of various plants. In China's herbal market, drying herbs can severely influence morphological markers such as shape, color, and odor, which make consumers difficult to precisely identify the herbs and effectively evaluate the quality. Here, we present the phylogenetic analysis of four Coptis herbal medicinal materials based on internal transcribed spacer sequences. C. chinensis, C. omeiensis, C. deltoidea and C. teeta constituted a monophyletic group...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444605/recent-trends-of-modern-bacterial-insecticides-for-pest-control-practice-in-integrated-crop-management-system
#2
REVIEW
Pritam Chattopadhyay, Goutam Banerjee, Sayantan Mukherjee
Food security and safety are the major concern in ever expanding human population on the planet earth. Each and every year insect pests cause a serious damage in agricultural field that cost billions of dollars annually to farmers. The loss in term of productivity and high cost of chemical pesticides enhance the production cost. Irrespective use of chemical pesticides (such as Benzene hexachloride, Endosulfan, Aldicarb, and Fenobucarb) in agricultural field raised several types of environmental issues. Furthermore, continuous use of chemical pesticides creates a selective pressure which helps in emerging of resistance pest...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444604/effect-of-%C3%AE-irradiation-on-fumonisin-producing-fusarium-associated-with-animal-and-poultry-feed-mixtures
#3
B V Deepthi, A P Gnanaprakash, M Y Sreenivasa
Contamination of animal and poultry feeds by Fusarium and the mycotoxin Fumonisin B1 is frequent in the feed supply chain. The present study evaluated the prevalence of fumonisin B1 producing Fusarium among irradiated and non-irradiated animal and poultry feed mixtures. Further, the efficiency of γ-rays (2.5, 5.0, 7.5, and 10.0 kGy) to minimize Fusarium growth and biosynthesis of fumonisin B1 in artificially inoculated feed was evaluated. A total of 108 feed samples were collected in which 45.37% of feed mixtures were contaminated with Fusarium species...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444603/physiological-functioning-of-lagerstroemia-speciosa-l-under-heavy-roadside-traffic-an-approach-to-screen-potential-species-for-abatement-of-urban-air-pollution
#4
H Singh, Savita, R Sharma, S Sinha, M Kumar, P Kumar, A Verma, S K Sharma
The mitigation potential of avenue tree species needs a sound understanding, especially for landscape planning or planting tree species on roadside, especially in city limits where there is huge traffic due to more number of vehicles. A preliminary study was conducted to investigate the impact of heavy traffic movement and pollution thereof on physiological functioning of Lagerstroemia speciosa trees planted on roadside in terms of carbon absorption, mitigation potential and adaptive behavior. Trees on roadside exhibited reduced carbon assimilation (36...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444602/bioactive-guided-fractionation-of-diols-from-streptomyces-sp-msl
#5
Raja Hima Bindhu Madasu, Vijayalakshmi Muvva, Rajesh Kumar Munaganti, Kumar Reddy Dorigondla, Venkateswarlu Yenamandra
An actinomycete strain with a great potential to produce bioactive compounds isolated from a laterite soil was identified as Streptomyces sp. MSL based on 16S rDNA sequence analysis. Secondary metabolites produced by the strain in optimized nutrient broth were extracted and analyzed by chromatographic and spectroscopic techniques. Among the different fractions, four diols, viz., (1) (2R,3R)-2,3-Butanediol, (2) (2R,3S)-2,3-Butanediol, (3) 2,3-dimethyl-2,3-butanediol (Pinacol), and (4) (3R)-1,3-Butanediol exhibited good antimicrobial activity...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444601/somatic-embryogenesis-from-bud-and-leaf-explants-of-date-palm-phoenix-dactylifera-l-cv-najda
#6
Mouaad Amine Mazri, Ilham Belkoura, Reda Meziani, Boutaïna Mokhless, Souad Nour
An efficient regeneration system through somatic embryogenesis was developed for date palm cv. Najda. Adventitious bud and proximal leaf segments cultured on Murashige and Skoog (MS) medium supplemented with various combinations of auxins and cytokinins induced embryogenesis after at least 6 months of culture. Somatic embryogenesis induction seemed correlated with the type of the explant, the induction period and the auxin used. The highest rate of somatic embryogenesis (86.0%) was obtained on bud explants cultured on MS medium supplemented with 45...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444600/antibiotic-sensitivity-pattern-of-indigenous-lactobacilli-isolated-from-curd-and-human-milk-samples
#7
Chetan Sharma, Sachin Gulati, Nishchal Thakur, Brij Pal Singh, Sanjolly Gupta, Simranpreet Kaur, Santosh Kumar Mishra, Anil Kumar Puniya, Jatinder Pal Singh Gill, Harsh Panwar
The gut microbiota plays a vital role in host well-being and lactic acid bacteria (LAB) have gained an overwhelming attention as health promoter. This perception has evolved from traditional dairy products to a money-spinning market of probiotics. The safety of probiotics is coupled to their intended use and LAB may act as pool of antimicrobial resistance genes that could be transferred to pathogens, either in food matrix or in gastrointestinal tract, which could be detrimental to host. This study evaluated the antibiotic susceptibility patterns of LAB isolated from curd (20) and human milk (11) samples...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444599/study-of-enzymatic-saccharification-of-agave-leaves-biomass-to-yield-fermentable-sugars
#8
Miguel A Medina-Morales, Oscar Soto-Cruz, Juan C Contreras-Esquivel, Raúl Rodríguez-Herrera, Heliodoro De la Garza-Toledo, Cristóbal N Aguilar
Agave is a good source of polysaccharides for the production of fermentable sugars as sustainable bioenergy feedstock solutions for semi-arid and arid lands. This plant grows in arid areas, which correspond to a large territory in northern Mexico. Having lignocellulose as the polysaccharide of interest, the information for the enzymatic saccharification of this kind of material is limited. Agave cell walls have a unique recalcitrant nature, but having a high cellulose content, makes this plant material an interesting research subject...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444598/synergistic-effect-of-thermostable-%C3%AE-glucosidase-tn0602-and-cellulase-on-cellulose-hydrolysis
#9
Zhaoye Zhang, Man Wang, Renjun Gao, Xiaoxiao Yu, Guang Chen
Thermophilic enzymes have many potential benefits in industrial production with increased flexibility related to process configurations. A thermostable β-glucosidase from Thermotoga naphthophila RUK-10 was found to possess catalytic activity for cellobiose hydrolysis with a high potential for application in biomass conversion. The aggregation of cellobiose often has an inhibitory effect on cellobiohydrolases and endoglucanases during cellulose hydrolysis. The presence of β-glucosidases has a significant effect on reducing inhibition from hydrolytic products by hydrolysing the intermedia cellobiose...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444597/biodegradation-of-pyrene-and-benzo-a-pyrene-in-the-liquid-matrix-and-soil-by-a-newly-identified-raoultella-planticola-strain
#10
Lifeng Ping, Qian Guo, Xiaoyang Chen, Xiaoli Yuan, Chunrong Zhang, Hua Zhao
In the current study, the PL7 strain was isolated from soil and identified as Raoultella planticola based on its physiological characteristics and 16S rDNA sequence. By the 10th day, the PL7 strain degraded 52.0% of the pyrene (PYR) content and 50.8% of the benzo[a]pyrene (BaP) content in 20 mg L(-1) PYR and 10 mg L(-1) BaP in the liquid matrix. The half-life of PYR and BaP by PL7 degradation was 8.59 and 9.46 days, respectively. At pH 8.0, the degradation rates of PYR and BaP by PL7 were significantly higher at 30 °C than at 20 and 40 °C...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444596/response-surface-design-for-accumulation-of-selenium-by-different-lactic-acid-bacteria
#11
Jingpeng Yang, Yao Li, Li Zhang, Mingtao Fan, Xinyuan Wei
The accumulation of selenium (Se) by Lactobacillus delbrueckii ssp. bulgaricus (Lb) and Streptococcus thermophilus (St) at the different cultivation conditions, including initial pH, inoculum dose (%), and temperature (°C), was investigated in this work. Se enrichment efficiency was optimized using the Design-Expert software for response surface methodology on a basis of single-factor experiment. The antioxidant activities of Se-enriched Lactic acid bacteria (LAB) were also investigated. The qualitative analysis of Se-enriched LAB was performed by FT-IR spectra...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444595/cloning-and-characterization-of-auxin-efflux-carrier-genes-ecpin1a-and-ecpin1b-from-finger-millet-eleusine-coracana-l
#12
Tapan Kumar Mohanta, Hanhong Bae
Auxin signaling events in plants play important role in developmental regulation as well as gravitropic responses and plays crucial role in the development of root, lateral root and root hairs. The gene that is known to be most important in the development of root, lateral root and root hairs is commonly known as auxin efflux carrier (PIN). Being commonly known as orphan plant, the genome sequence of Eleusine coracana is not known yet, and hence it was very difficult to conduct advanced research in root development in this plant...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444594/bio-transformation-and-stabilization-of-arsenic-as-in-contaminated-soil-using-arsenic-oxidizing-bacteria-and-fecl3-amendment
#13
Santosh Kumar Karn, Xiangliang Pan, Ian R Jenkinson
A combination of biological and chemical methods was applied in the present study to evaluate the removal of arsenic (As) from contaminated soil. The treatment involved As-oxidizing microbes aimed of transforming the more toxic As (III) to less toxic As (V) in the soil. FeCl3 was added at three different concentrations (1, 2, and 3%) to stabilize the As (V). Leaching of the treated soil was investigated by making a soil column and passing tap water through it to determine solubility. Experimental results indicated that the bacterial activity had a pronounced positive effect on the transformation of As, and decreased the soluble exchangeable fraction from 50 to 0...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444593/decolourization-and-biodegradation-of-navy-blue-her-reactive-blue-171-dye-from-marasmius-sp-bbkav79
#14
Adiveppa B Vantamuri, Basappa B Kaliwal
White rot fungus Marasmius sp. BBKAV79 (GenBank accession number-KP455496, KP455497) exhibited decolourization and degradation of Navy blue HER dye (concentration 50 mg l(-l)) within 24 h under shaking condition. In the present study, various investigated parameters like initial dye concentration, pH, temperature, carbon and nitrogen sources were optimized to develop a faster decolourization process by Marasmius sp. BBKAV79. High-performance liquid chromatography, Fourier transform infrared spectroscopy and gas chromatography and mass spectroscopy analysis of the extracted product confirmed the biodegradation of Navy blue HER...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444592/molecular-characterization-of-phytoplasma-of-16sri-b-group-association-with-acalypha%C3%A2-indica-in-india
#15
Ajay K Tiwari, M S Khan, Pradeep Kumar, Akhilesh Tiwari
The typical phytoplasma symptoms of little leaf, yellowing, chlorosis, witches' broom, and stunting growth were observed on Acalypha indica plants during the field survey conducted at Lucknow and surrounding districts in year 2015-2016. To confirm the association and possibility of phytoplasma etiology, PCR assays were performed using universal primer pairs (P1/P6) and nested primer pairs (R16F2n/R2) in a total of five diseased samples along with control. A ~1.2 Kb amplicon was observed in nested PCR assay in diseased sample; however, no band was observed in control sample...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444591/biotechnological-application-of-sustainable-biogas-production-through-dry-anaerobic-digestion-of-napier-grass
#16
Natthawud Dussadee, Rameshprabu Ramaraj, Tapana Cheunbarn
Napier grass (Pennisetum purpureum), represents an interesting substrate for biogas production. The research project evaluated biogas potential production from dry anaerobic digestion of Napier grass using batch experiment. To enhance the biogas production from ensiled Napier grass, thermal and alkaline pre-treatments were performed in batch mode. Alkali hydrolysis of Napier grass was performed prior to batch dry anaerobic digestion at three different mild concentrations of sodium hydroxide (NaOH). The study results confirmed that NaOH pretreated sample produced high yield of biogas than untreated (raw) and hot water pretreated samples...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444590/transcripts-of-pectin-degrading-enzymes-and-isolation-of-complete-cdna-sequence-of-a-pectate-lyase-gene-induced-by-coffee-white-stem-borer-xylotrechus-quadripes-in-the-bark-tissue-of-coffea-canephora-robusta-coffee
#17
Kosaraju Bharathi, P Santosh, H L Sreenath
Of the two commercially cultivated coffee (Coffea) species, C. arabica (arabica) is highly susceptible and C. canephora (robusta) is highly resistant to the insect pest Xylotrechus quadripes (Coleoptera: Cerambycidae), commonly known as coffee white stem borer (CWSB). We constructed a forward-subtracted cDNA library by Suppression Subtractive Hybridization (SSH) from robusta bark tissue for profiling genes induced by CWSB infestation. Among the 265 unigenes of the SSH EST library, 7 unigenes (5 contigs and 2 singletons) matching different pectin-degrading enzymes were discovered...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444589/ripening-improves-the-content-of-carotenoid-%C3%AE-tocopherol-and-polyunsaturated-fatty-acids-in-tomato-solanum-lycopersicum-l-fruits
#18
Ramesh Kumar Saini, Ahmad Jawid Zamany, Young-Soo Keum
The tomato fruits during different stages of ripening have been extensively characterized for nutritionally important bioactives; however, changes in fatty acid composition are not available. Thus, in the present study, changes in fatty acid, along with carotenoid and α-tocopherol, were studied during the six stages of ripening. Fruits were harvested at the green, breaker, turning, pink, light red, and red stages, which occurred at means of 30, 35, 40, 46, 50, and 55 days after anthesis (DAE), respectively...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444588/unveiling-differentially-expressed-genes-upon-regulation-of-transcription-factors-in-sepsis
#19
Junli Zhang, Yuelei Cheng, Minmin Duan, Nannan Qi, Jian Liu
In this study, we integrated the gene expression data of sepsis to reveal more precise genome-wide expression signature to shed light on the pathological mechanism of sepsis. Differentially expressed genes via integrating five microarray datasets from the Gene Expression Omnibus database were obtained. The gene function and involved pathways of differentially expressed genes (DEGs) were detected by GeneCodis3. Transcription factors (TFs) targeting top 20 dysregulated DEGs (including up- and downregulated genes) were found based on the TRANSFAC...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444587/solid-state-fermentation-ssf-diversity-of-applications-to-valorize-waste-and-biomass
#20
REVIEW
M A Lizardi-Jiménez, R Hernández-Martínez
Solid state fermentation is currently used in a range of applications including classical applications, such as enzyme or antibiotic production, recently developed products, such as bioactive compounds and organic acids, new trends regarding bioethanol and biodiesel as sources of alternative energy, and biosurfactant molecules with environmental purposes of valorising unexploited biomass. This work summarizes the diversity of applications of solid state fermentation to valorize biomass regarding alternative energy and environmental purposes...
May 2017: 3 Biotech
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