COBIOTECH's role in biotechnology worldwide.

abstract：:An efficient expression-secretion system for heterologous protein production in food-grade hosts, Lactobacillus plantarum and Bacillus subtilis, is still required to broaden their applications. The optimal signal peptide compatible with both the desired protein and the target host is important for the system. Here, we...

journal_title：World journal of microbiology & biotechnology

authors： Promchai R,Visessanguan W,Luxananil P

更新日期：2020-09-19 00:00:00

abstract：:Atmospheric and room temperature plasma (ARTP) was first employed to generate mutants of Actinomyces JN537 for improving acarbose production. To obtain higher acarbose producing strains, the method of screening the strains for susceptibility to penicillin was used after treatment with ARTP. The rationale for the strat...

journal_title：World journal of microbiology & biotechnology

authors： Ren F,Chen L,Tong Q

更新日期：2017-01-01 00:00:00

abstract：:The present article reviews several approaches for inducing flocculation of Escherichia coli cells. The common industrially used bacterium E. coli does not naturally have floc-forming ability. However, there are several approaches to induce flocculation of E. coli cells. One is induction by flocculants-polyvalent inor...

journal_title：World journal of microbiology & biotechnology

authors： Ojima Y,Azuma M,Taya M

更新日期：2018-11-30 00:00:00

abstract：:The role of S-layer proteins (SLP) on the Pb(2+) sequestrant capacity by Lactobacillus kefir CIDCA 8348 and JCM 5818 was investigated. Cultures in the stationary phase were treated with proteinase K. A dot blot assay was carried out to assess the removal of SLP. Strains with and without SLP were exposed to 0-0.5 mM Pb...

journal_title：World journal of microbiology & biotechnology

authors： Gerbino E,Carasi P,Araujo-Andrade C,Tymczyszyn EE,Gómez-Zavaglia A

更新日期：2015-04-01 00:00:00

abstract：:The success of biotechnological research, development and marketing depends to a large extent on the international transfer of information and on the ability to organise biotechnology information into knowledge. To increase the efficiency of information-based approaches, an information strategy has been developed and ...

journal_title：World journal of microbiology & biotechnology

authors： Boh B

更新日期：1996-09-01 00:00:00

abstract：:Lactobacillus reuteri DPC16 is a probiotic bacterium that has strong antimicrobial activities on pathogens, mainly due to its ability to produce reuterin, an antimicrobial compound. The objective of this study was to examine the ability of an encapsulation technique to protect the functional properties of cells of L. ...

journal_title：World journal of microbiology & biotechnology

authors： Zhao Q,Mutukumira A,Lee SJ,Maddox I,Shu Q

更新日期：2012-01-01 00:00:00

abstract：:A strain of Pleurotus ostreatus was grown in tomato pomace as sole carbon source for production of laccase. The culture of P. ostreatus revealed a peak of laccase activity (147 U/L of fermentation broth) on the 4th day of culture with a specific activity of 2.8 U/mg protein. Differential chromatographic behaviour of l...

journal_title：World journal of microbiology & biotechnology

authors： Freixo Mdo R,Karmali A,Arteiro JM

更新日期：2012-01-01 00:00:00

abstract：:The bioleachings of chalcopyrite ore were compared after inoculating different cultures enriched from the original acid mine drainage sample. The results showed that the higher bioleaching performance was achieved for inoculation with the enrichment D (0.5 % S, 2 % iron and 1 % chalcopyrite) compared to other enrichme...

journal_title：World journal of microbiology & biotechnology

authors： Xia L,Uribe P,Liu X,Yu C,Chai L,Liu J,Qiu W,Qiu G

更新日期：2013-02-01 00:00:00

abstract：:Laccase enzymes produced by both soil bacteria and fungi play important roles in refractory organic matter turnover in terrestrial ecosystems. We investigated the abundance and diversity of fungal laccase genes and bacterial laccase-like genes in soil from subtropical arable lands, and identified which microbial group...

journal_title：World journal of microbiology & biotechnology

authors： Feng S,Su Y,Dong M,He X,Kumaresan D,O'Donnell AG,Wu J,Chen X

更新日期：2015-12-01 00:00:00

abstract：:A strain of Aspergillus niger isolated from sugarcane fields, produced an extracellular transfructosylase in the culture medium. Sucrose and raffinose induced the production to the enzyme, which was purified by 138-fold. The optimum pH for activity and stability were 5.5 and 6.5, respectively. Its optimum temperature ...

journal_title：World journal of microbiology & biotechnology

authors： Park YK,Almeida MM

更新日期：1991-05-01 00:00:00

abstract：:A chromosomal gene, required for nodule development on Phaseolus bean, was characterized from Rhizobium etli strain TAL182. MLC640 is a Tn5 insertion mutant of TAL182 which shows decreased motility in soft TY agar and is defective in nodule development. The site of Tn5 insertion in MLC640 mapped to a 3.6-kb EcoRI chro...

journal_title：World journal of microbiology & biotechnology

authors： Pooyan S,George ML,Borthakur D

更新日期：1994-09-01 00:00:00

abstract：:Anaplasma phagocytophilum, the causative agent of human granulocytic anaplasmosis, is an obligate intra-cellular bacterium that survives in neutrophils by delaying apoptosis. The human promyelocytic leukemia cell line HL-60 has been the ultimate choice for culturing Anaplasma in vitro. In this study, we assessed the v...

journal_title：World journal of microbiology & biotechnology

authors： Karki P,Ijdo JW

更新日期：2011-11-01 00:00:00

abstract：:Biohydrogen is considered as one of the most promising energy alternatives considering the climate and energy crisis. The dark fermentative hydrogen production from xylose at extreme thermophilic condition (70 °C) using mixed culture was conducted in this study. The effects of initial pH values (ranged from 5.0 to 10....

journal_title：World journal of microbiology & biotechnology

authors： Qiu C,Shi P,Xiao S,Sun L

更新日期：2017-01-01 00:00:00

abstract：:Both β-proteobacterial aerobic ammonium-oxidizing bacteria (AOB) and anaerobic ammonium-oxidizing (ANAMMOX) bacteria were investigated in the hyporheic zone of a contaminated river in China containing high ammonium levels and low chemical oxygen demand. Fluorescence in-situ hybridization (FISH), denaturing gradient ge...

journal_title：World journal of microbiology & biotechnology

authors： Wang Z,Qi Y,Wang J,Pei Y

更新日期：2012-09-01 00:00:00

abstract：:Saline wastewaters are usually generated by various industries, including the chemical, pharmaceutical, agricultural, and aquacultural industries. The discharge of untreated high-salinity wastewater may cause serious environmental pollution and damage the aquatic, terrestrial, and wetland ecosystems. For many countrie...

journal_title：World journal of microbiology & biotechnology

authors： Zhao Y,Zhuang X,Ahmad S,Sung S,Ni SQ

更新日期：2020-02-22 00:00:00

abstract：:In the present paper, products obtained from a blue-green microalga Spirulina platensis filtrate (applied for seed soaking and for foliar spray) and homogenate (used for seed coating) were tested in the cultivation of radish. Their effect on length, wet mass, multielemental composition and the greenness index of the r...

journal_title：World journal of microbiology & biotechnology

authors： Godlewska K,Michalak I,Pacyga P,Baśladyńska S,Chojnacka K

更新日期：2019-05-27 00:00:00

abstract：:Two Clostridium thermocellum strains were improved for ethanol tolerance, to 5% (v/v), by gradual adaptation and mutation. The best mutant gave an ethanol yield of 0.37 g/g substrate, with a growth yield 1.5 times more than its parent. Accumulation of acids and reducing sugars by the mutant strain with 5% (v/v) ethano...

journal_title：World journal of microbiology & biotechnology

authors： Rani KS,Swamy MV,Sunitha D,Haritha D,Seenayya G

更新日期：1996-01-01 00:00:00

abstract：:Glutathione (GSH) and S-adenosyl methionine (SAM) have been applied as liver-protective factors to prevent and treat many different liver damages and diseases. Due to their low stability and short half-life, oral administration of GSH or SAM might be replaced by continuous supplying through living lactic bacteria in y...

journal_title：World journal of microbiology & biotechnology

authors： Xu C,Shi Z,Shao J,Yu C,Xu Z

更新日期：2019-11-14 00:00:00

abstract：:An alternative procedure to obtain the parameters of Monod's growth model in batch culture is presented. It is based on the integral kinetic analysis methodology, employs a one-dimensional Golden Section search optimization method and is implemented on a spread-sheet programme. The procedure is discussed in detail and...

journal_title：World journal of microbiology & biotechnology

authors： Rolz C,Mata-Alvarez J

更新日期：1992-07-01 00:00:00

abstract：:Progesterone was completely hydroxylated, principally to 11β,14α dihydroxyprogesterone by Cunninghamella blakesleeana NCIM 687 in 48h. ...

journal_title：World journal of microbiology & biotechnology

authors： Chincholkar SB,Seeta Laxman R,Wakharkar RD

更新日期：1995-05-01 00:00:00

abstract：:Many important food and fibre crops have attained close to their maximum yields as a result of conventional breeding approaches and advances in agronomic and horticultural practices. The manipulation of cell and tissue cultures to produce somatic embryos efficiently is one of the keystones of the new technologies that...

journal_title：World journal of microbiology & biotechnology

authors： Litz RE,Gray DJ

更新日期：1995-07-01 00:00:00

abstract：:Endophytes are recognised as potential sources of novel secondary metabolites, including enzymes and drugs, with applications in medicine, agriculture and industry. There is a growing need for new enzymes, including proteases, for use in industry that can function under a variety of conditions. In this study, three fu...

journal_title：World journal of microbiology & biotechnology

authors： Zaferanloo B,Quang TD,Daumoo S,Ghorbani MM,Mahon PJ,Palombo EA

更新日期：2014-06-01 00:00:00

abstract：:Sweet potato residue, a starchy agricultural waste, was used as a substrate to produce oxytetracycline byStreptomyces rimosus TM-55 in a solid-state fermentation. Oxytetracycline was detected on the third day, reached its maximum value on the sixth day and remained constant to the twentieth day. Optimal conditions for...

journal_title：World journal of microbiology & biotechnology

authors： Yang SS,Yuan SS

更新日期：1990-09-01 00:00:00

abstract：:Here, three different suicide vectors were evaluated for the possibility of performing gene mutagenesis in strain OH11 using the chiA gene (accession number: DQ888611) as a new reporter. Suicide vector pEX18GM was selected, and it was successfully applied for disruption and in-frame deletions in the chiA gene in strai...

journal_title：World journal of microbiology & biotechnology

authors： Qian G,Wang Y,Qian D,Fan J,Hu B,Liu F

更新日期：2012-02-01 00:00:00

abstract：:The volatile compounds produced by Debaryomyces hansenii NRRL Y-7426 during the fermentation of detoxified concentrated distilled grape marc hemicellulosic hydrolysates was analysed by GC-MS. Thirty-five compounds corresponding to ten groups of volatile compounds: terpenes, higher alcohols, C₆ alcohols, aldehydes, vol...

journal_title：World journal of microbiology & biotechnology

authors： Salgado JM,González-Barreiro C,Rodríguez-Solana R,Simal-Gándara J,Domínguez JM,Cortés S

更新日期：2012-11-01 00:00:00

abstract：:Pesticides (Brominal, Cuprosan and Fenvalerate) at 10 and 50 ppm suppressed growth, respiration and nitrogenase activity ofAzotobacter chroococcum, Azospirillum brasilense andAzospirillum lipoferum. The inhibitory effect on respiration ofAsm. lipoferum was most pronounced after 3 and 4 days. ...

journal_title：World journal of microbiology & biotechnology

authors： Omar SA,Abd-Alla MH

更新日期：1992-05-01 00:00:00

abstract：:A proprietary bacterial strain (Pet 1006) produced biosurfactants when grown on both glucose and an immiscible hydrocarbon as carbon sources. Pilot-plant-scale (1500 I) production gave, on repeated batch runs, 2 tonnes of culture broth containing active biosurfactant. The product was used as a substitute for chemical ...

journal_title：World journal of microbiology & biotechnology

authors： Banat IM,Samarah N,Murad M,Horne R,Banerjee S

更新日期：1991-01-01 00:00:00

abstract：:Brucellae are Gram-negative intracellular bacterial pathogens that infect humans and animals, bringing great economic burdens to developing countries. Live attenuated Brucella vaccines (strain M5-90 or others) are the most efficient means for prevention and control of animal brucellosis. However, these vaccines have s...

journal_title：World journal of microbiology & biotechnology

authors： Zhang Y,Li T,Zhang J,Li Z,Zhang Y,Wang Z,Feng H,Wang Y,Chen C,Zhang H

更新日期：2016-04-01 00:00:00

abstract：:Acetic acid is an inhibitor in industrial processes such as wine making and bioethanol production from cellulosic hydrolysate. It causes energy depletion, inhibition of metabolic enzyme activity, growth arrest and ethanol productivity losses in Saccharomyces cerevisiae. Therefore, understanding the mechanisms of the y...

journal_title：World journal of microbiology & biotechnology

authors： Geng P,Zhang L,Shi GY

更新日期：2017-05-01 00:00:00

abstract：:Two bacterial species (isolates N and O) were isolated from a paddy soil microcosm that had been artificially contaminated with diesel oil to which extrinsic Pseudomonas aeruginosa strain WatG, had been added exogenously. One bacterial species (isolate J) was isolated from a similar soil microcosm that had been biosti...

journal_title：World journal of microbiology & biotechnology

authors： Ueno A,Ito Y,Yumoto I,Okuyama H

更新日期：2007-12-01 00:00:00