Biological activity of quaternary ammonium salts and resistance of microorganisms to these compounds.

abstract：:Silver nanoparticles (SNPs) are extensively used in many industrial and medical applications; however, the impact of their release in the environment is still considered an understudied field. In the present work, SNPs present in aqueous lab waste water (average size of 30 nm) were used to determine their impact on mi...

journal_title：World journal of microbiology & biotechnology

authors： Gomaa OM

更新日期：2014-06-01 00:00:00

abstract：:An extracellular lipase producing isolate Staphylococcus sp. MS1 was optimized for lipase production and its biocatalytic potential was assessed. Medium with tributyrin (0.25 %) and without any exogenous inorganic nitrogen source was found to be optimum for lipase production from Staphylococcus sp. MS1. The optimum pH...

journal_title：World journal of microbiology & biotechnology

authors： Sharma M,Singh SS,Maan P,Sharma R

更新日期：2014-11-01 00:00:00

abstract：:Biosurfactant production through a fermentation process involving the biodegradation of soybean oil refining wastes was studied. Pseudomonas aeruginosa MR01 was able to produce extracellular biosurfactant when it was cultured in three soybean oil refinement wastes; acid oil, deodorizer distillate and soapstock, at dif...

journal_title：World journal of microbiology & biotechnology

authors： Partovi M,Lotfabad TB,Roostaazad R,Bahmaei M,Tayyebi S

更新日期：2013-06-01 00:00:00

abstract：:agWH50C, a novel β-agarase gene, was cloned from Agarivorans gilvus WH0801 by degenerate PCR and nested PCR. The gene agWH50C comprized a 2,223-bp, encoding a protein of 740 amino acids. Sequencing results demonstrated that AgWH50C shared 45 % sequence identity with a well characterized β-agarase, Aga50D, from Sacchar...

journal_title：World journal of microbiology & biotechnology

authors： Liu N,Mao X,Yang M,Mu B,Wei D

更新日期：2014-06-01 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：:The extensive exploitation and usage of lead compounds result in severe lead(II) pollution in water and soil environments, even in agricultural land, threatening the health of animals and humans via food chains. The recovery and remediation of lead(II) from water and soil environments have been intensively concerned i...

journal_title：World journal of microbiology & biotechnology

authors： Pan X,Chen Z,Li L,Rao W,Xu Z,Guan X

更新日期：2017-02-01 00:00:00

abstract：:Psychrophiles are organisms that thrive in cold environments. One of the strategies for their cold adaptation is the ability to synthesize cold-adapted enzymes. These enzymes usually display higher catalytic efficiency and thermolability at lower temperatures compared to their mesophilic and thermophilic counterparts....

journal_title：World journal of microbiology & biotechnology

authors： See Too WC,Few LL

更新日期：2010-07-01 00:00:00

abstract：:The mushroom Flammulina velutipes and the white-rot fungus Trametes versicolor were cultivated separately on sugarcane bagasse for 40 days. Trametes versicolor produced laccase and manganese-peroxidase activities, showing a simultaneous degradation of lignin and holocellulose. However, only phenoloxidase activity was ...

journal_title：World journal of microbiology & biotechnology

authors： Pal M,Calvo AM,Terrón MC,González AE

更新日期：1995-09-01 00:00:00

abstract：:Valsa mali var. mali (Vmm), is the predominant species of apple valsa canker in China. Modern analysis of genes involved in virulence or pathogenicity usually implicate gene expression analysis most often performed using real-time quantitative polymerase chain reaction (RT-qPCR). However, for relative gene expression ...

journal_title：World journal of microbiology & biotechnology

authors： Yin Z,Ke X,Huang D,Gao X,Voegele RT,Kang Z,Huang L

更新日期：2013-09-01 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：:An extracellular polygalacturonase (EC 3.2.1.15) fromGeotrichum candidum ATCC 34614 grown onsauerkraut brine was produced and characterized. Polygalacturonic acid markedly increased the enzyme yield in the brine. The fungus produced the highest activity (290 U/l) in brine with 0.3% (w/v) polygalacturonic acid. The pH ...

journal_title：World journal of microbiology & biotechnology

authors： Hang YD,Woodams EE

更新日期：1992-09-01 00:00:00

abstract：:Yeasts and yeast-like organisms were chosen for the aerobic treatment of cassava starch factory effluent. A mixed culture of Candida utills and Endomycopsis fibuliger efficiently and rapidly utilized both starch and free sugars. After 28 h fermentation the protein content of the biomass was 22% (w/w), which remained u...

journal_title：World journal of microbiology & biotechnology

authors： Manilal VB,Narayanan CS,Balagopalan C

更新日期：1991-03-01 00:00:00

abstract：:Cadmium ions in wastewater can be removed by biosorption on to Acinetobacter calca var. antratus, isolated from a wastewater sample from a copper refinery. There are two equillibrium states: the first, which is reached quickly, is probably direct adsorption, and the second may be due to the release of ion adsorption m...

journal_title：World journal of microbiology & biotechnology

authors： Hsu JP,Chiang TY

更新日期：1991-09-01 00:00:00

abstract：:The rare actinomycetes strain 2EPS was isolated from soil and analysis of cultural, morphological characteristics, diaminopimelic acid content of its cell wall, and 16S rRNA gene sequence indicates that 2EPS belongs to genus Actinomadura. In addition, neighbor-joining phylogenetic tree also confirmed the relationships...

journal_title：World journal of microbiology & biotechnology

authors： Euanorasetr J,Intra B,Mongkol P,Chankhamhaengdecha S,Tuchinda P,Mori M,Shiomi K,Nihira T,Panbangred W

更新日期：2015-02-01 00:00:00

abstract：:Shikimic acid (SA) is the key synthetic material of Oseltamivir, which is an effective drug for the prevention and treatment of influenza. In this study, to block the downstream metabolic pathway of SA, the shikimate kinase isoenzyme genes aroK and aroL were deleted by Red recombination. Moreover, the key enzyme genes...

journal_title：World journal of microbiology & biotechnology

authors： Liu X,Lin J,Hu H,Zhou B,Zhu B

更新日期：2014-09-01 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：:We characterised the anti-Vibrio parahaemolyticus (anti-V. parahaemolyticus) marine bacteria DIT09, DIT44 and DIT46 isolated from the intertidal mussel Perumytilus purpuratus. The 16S rRNA gene sequences identify a Pseudoalteromonas sp. that form a clade with P. prydzensis and P. mariniglutinosa. The strains produced ...

journal_title：World journal of microbiology & biotechnology

authors： Aranda CP,Valenzuela C,Barrientos J,Paredes J,Leal P,Maldonado M,Godoy FA,Osorio CG

更新日期：2012-06-01 00:00:00

abstract：:Benzo[a]pyrene (BaP) accumulates in marine organisms and contaminated coastal areas. The biotreatment of waste water using saline-alkaline-tolerant white rot fungi (WRF) represents a promising method for removing BaP under saline-alkaline conditions based on WRF's ability to produce ligninolytic enzymes. In a pre-scre...

journal_title：World journal of microbiology & biotechnology

authors： Andriani A,Tachibana S,Itoh K

更新日期：2016-03-01 00:00:00

abstract：:One strain of algicidal bacterium, named as S088, was isolated from the intestine of healthy sea cucumbers (Stichopus horrens) in the South China Sea. Based on the analysis of its biochemical characteristics and 16S rDNA gene sequence, S088 was identified as Bowmanella denitrificans. Importantly, the algicidal activit...

journal_title：World journal of microbiology & biotechnology

authors： Jiang X,Ren C,Hu C,Zhao Z

更新日期：2014-02-01 00:00:00

abstract：:Dehydration of yeast cells causes them to enter a state of anhydrobiosis in which their metabolism is temporarily and reversibly suspended. This unique state among organisms is currently used in the production of active dry yeasts, mainly used in baking and winemaking. In recent decades non-conventional applications o...

journal_title：World journal of microbiology & biotechnology

authors： Rapoport A,Turchetti B,Buzzini P

更新日期：2016-06-01 00:00:00

abstract：:A symbiotic, heterocystous, N2-fixing blue-green alga, isolated from the coralloid roots of a xerophytic plant,Cycas revoluta, grew best in liquid medium supplemented with 4 mM NO 3 (-) . Morphologically, the isolated alga was identical to that of the natural endophyte but the cell size had decreased markedly. The alg...

journal_title：World journal of microbiology & biotechnology

authors： Sharma A,Mishra DP,Kumar A

更新日期：1992-09-01 00:00:00

abstract：:The biomass degrading enzymatic potential of 101 thermophilic bacterial strains isolated from a volcanic environment (Santorini, Aegean Sea, Greece) was assessed. 80 % of the strains showed xylanolytic activity in Congo Red plates, while only eight could simultaneously hydrolyze cellulose. Fifteen isolates were select...

journal_title：World journal of microbiology & biotechnology

authors： Stathopoulou PM,Galanopoulou AP,Anasontzis GE,Karagouni AD,Hatzinikolaou DG

更新日期：2012-09-01 00:00:00

abstract：:In a search for microorganisms producing extracellular protease with unhairing activity, Bacillus subtilis IIQDB32 was isolated. Protease formation was significantly stimulated by glucose, tryptone, yeast extract, Ca(2+) and Mn(2+), but was repressed by ammonia and Fe(2+). ...

journal_title：World journal of microbiology & biotechnology

authors： Varela H,Ferrari MD,Belobrajdic L,Weyrauch R,Loperena L

更新日期：1996-11-01 00:00:00

abstract：:The threat of heavy metal pollution to environmental health is getting worldwide attention due to their persistence and non-biodegradable nature. Ineffectiveness of various physicochemical methods due to economical and technical constraints resulted in the search for a cost-effective and eco-friendly biological techni...

journal_title：World journal of microbiology & biotechnology

authors： Hansda A,Kumar V,Anshumali

更新日期：2016-10-01 00:00:00

abstract：:The incidence of fluoroquinolone-resistant Shigella strains has risen rapidly, presumably in response to ciprofloxacin antibiotic stress. Understanding the molecular mechanisms underlying this resistance phenotype is critical to developing novel and effective therapeutic strategies. In this study, the frequency of cip...

journal_title：World journal of microbiology & biotechnology

authors： Pu XY,Zhang Q,Pan JC,Shen Z,Zhang W

更新日期：2013-02-01 00:00:00

abstract：:Andrimid, a known non-ribosomal pseudo-peptide antibiotic, was isolated from a psychrotolerant Serratia proteamaculans strain. The antibiotic peptide was produced at low temperature (8 °C) in a 7.5 l BIOFLO 101 bioreactor under batch culture mode. Andrimid activity from S. proteamaculans culture was only detected at 2...

journal_title：World journal of microbiology & biotechnology

authors： Sánchez LA,Sierra MG,Siñeriz F,Delgado O

更新日期：2013-10-01 00:00:00

abstract：:Mercury-resistance genes were detected byin situ hybridization using new synthetic oligonucleotide probes specific formerA andmerB genes according to the published sequences of the corresponding enzymes. These DNA probes were used for the detection of specific mercury-resistant microorganisms isolated from the Rhine R...

journal_title：World journal of microbiology & biotechnology

authors： Mirgain I,Hagnere C,Green GA,Harf C,Monteil H

更新日期：1992-01-01 00:00:00

abstract：:The incidence of Candida infections have increased substantially in recent years due to aggressive use of immunosuppressants among patients. Use of broad-spectrum antibiotics and intravascular catheters in the intensive care unit have also attributed with high risks of candidiasis among immunocompromised patients. Amo...

journal_title：World journal of microbiology & biotechnology

authors： Alam MZ,Alam Q,Jiman-Fatani A,Kamal MA,Abuzenadah AM,Chaudhary AG,Akram M,Haque A

更新日期：2014-05-01 00:00:00

abstract：:Chymosin can specifically break down the Phe105-Met106 peptide bond of milk κ-casein to form insoluble para-κ-casein, resulting in milk coagulation, a process that is used in making cheese. In this study, in order to obtain an alternative milk coagulant which is safe and efficient, and simultaneously can produce chees...

journal_title：World journal of microbiology & biotechnology

authors： Jiang XP,Yin ML,Chen P,Yang Q

更新日期：2012-05-01 00:00:00

abstract：:The diastatic power of four 'improved' Nigerian sorghum cultivars was produced principally by α-amylolytic activity, unlike that of Nigerian Proctor barley which came principally from β-amylolytic activity. Free amino nitrogen levels and extracts of the sorghums were higher than those of barley when the sorghum was ma...

journal_title：World journal of microbiology & biotechnology

authors： Etokakpan OU

更新日期：1992-05-01 00:00:00