Short communication: Effect of water activity on cell growth and phenol oxidase production by Streptomyces cyaneus var. viridochromogenes in surface culture.

abstract：:In the present work, novel heterotrophic nitrifying and aerobic denitrifying bacteria have been isolated from greenwater system of coastal aquaculture. Based on the 16S rRNA gene, FAME analysis and biochemical test, the isolates have been identified as Pseudomonas aeruginosa and Achromobacter sp. These have been named...

journal_title：World journal of microbiology & biotechnology

authors： Kathiravan V,Krishnani KK

更新日期：2014-04-01 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：:Lateritic nickel ore from the Sukinda Mines, Orissa, India, was leached using Thiobacillus ferrooxidans, Bacillus circulans, Bacillus licheniformis and Aspergillus niger at 5% (w/v) solid: liquid ratio for 5-20 days. Maximum leaching of Ni was achieved with B. circulans (85%) and Aspergillus niger (92%) after 20 days....

journal_title：World journal of microbiology & biotechnology

authors： Sukla LB,Panchanadikar VV,Kar RN

更新日期：1993-03-01 00:00:00

abstract：:Tandem repeats of single short peptide sequences are useful for many purposes. Here we describe a method called ligation-PCR to construct DNA sequences encoding numerous tandem peptide repeats that can stably produce such repeats in both prokaryotic and eukaryotic cells. The method employs double-strand target monomer...

journal_title：World journal of microbiology & biotechnology

authors： Hou H,Zhang Z,Zhao W,Hou J

更新日期：2012-05-01 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：:Thiazolidinedione (TD) derivatives have been found to have an algicidal effect on harmful algal bloom microalgae. In this study, 75 TD derivatives were synthesized and analyzed for algicidal activity. Among these synthetic TDs, 18 TD derivatives showed specific algicidal activity on two strains belonging to the classe...

journal_title：World journal of microbiology & biotechnology

authors： Wu Y,Lee Y,Jung SG,Kim M,Eom CY,Kim SW,Cho H,Jin E

更新日期：2014-05-01 00:00:00

abstract：:Methicillin-resistant Staphylococcus aureus (MRSA) has become increasingly important because it is the most common cause of hospital-acquired infections, which have become globally epidemic. Our study specifically focused on the MRSA strain USA300, which was shown in 2014 to be responsible for the most current pandemi...

journal_title：World journal of microbiology & biotechnology

authors： Zhou X,Liu S,Li W,Zhang B,Liu B,Liu Y,Deng X,Peng L

更新日期：2015-08-01 00:00:00

abstract：:Carbapenemase-mediated carbapenem resistance is a major public health concerns worldwide. In the present study, prevalence of circulating carbapenemases was estimated among carbapenem-resistant clinical isolates using PCR and sequencing. Diameters of zone of inhibition (ZDs) were compared for imipenem, meropenem and e...

journal_title：World journal of microbiology & biotechnology

authors： Pal A,Bhattacharyya I,Tripathi A

更新日期：2020-07-26 00:00:00

abstract：:Orange juice is a major agricultural product, and oranges are among the most widely sold fresh fruits in several countries. Citrus black spot (CBS), caused by the fungus Phyllosticta citricarpa, affects almost every species of citrus, causing a esthetic depreciation of the fruit and fruit drop, with consequent financi...

journal_title：World journal of microbiology & biotechnology

authors： Kupper KC,Moretto RK,Fujimoto A

更新日期：2019-12-16 00:00:00

abstract：:Soaking seeds of cucumber and pumpkin with an extract of Westiellopsis prolifica, an N2-fixing cyanobacterium, promoted germination and their subsequent growth and development. An extract of Lyngbya sp., a non-N2-fixing cyanobacterium, had no significant effect. ...

journal_title：World journal of microbiology & biotechnology

authors： Nanda B,Tripathy SK,Padhi S

更新日期：1991-11-01 00:00:00

abstract：:The present investigation entails the immobilisation and characterisation of Escherichia coli MO1-derived carbonic anhydrase (CA) and its influence on the transformation of CO₂ to CaCO₃. CA was purified from MO1 using a combination of Sephadex G-75 and DEAE cellulose column chromatography, resulting in 4.64-fold purif...

journal_title：World journal of microbiology & biotechnology

authors： Oviya M,Sukumaran V,Giri SS

更新日期：2013-10-01 00:00:00

abstract：:The objectives of this study were firstly, to determine the genetic diversity of Monilinia laxa isolates from Hungary, using the PCR-based inter-simple sequence repeat (ISSR) and randomly amplified polymorphic DNA (RAPD) technique; secondly, to prepare genetic diversity groups based on the dendrograms; and finally, to...

journal_title：World journal of microbiology & biotechnology

authors： Fazekas M,Madar A,Sipiczki M,Miklós I,Holb IJ

更新日期：2014-06-01 00:00:00

abstract：:Tween 80 (0.1%, v/v) added to Thermomonospora curvata growing in minimal medium caused a transient lowering of the dry cell mass, decreased the optimal growth temperature of the thermophile from 62 to 54°C, and increased extracellular esterase activity. Cells grown in the presence of Tween 80 had decreased concentrati...

journal_title：World journal of microbiology & biotechnology

authors： Thies E,Jenkins T,Stutzenberger F

更新日期：1994-11-01 00:00:00

abstract：:An important and useful bamboo species, fishscale bamboo (Phyllostachys heteroclada Oliver), is broadly distributed in Southeast China and has multiple purposes, including uses in cuisine, weaving, Chinese medicine and ecological protection. However, no previous studies have focused on the endophytes of this plant. In...

journal_title：World journal of microbiology & biotechnology

authors： Zhou YK,Shen XY,Hou CL

更新日期：2017-06-01 00:00:00

abstract：:The competitiveness of fourRhizobium sp. strains infectingAcacia senegal and originating in the Sudan was assessed in a growth chamber experiment using Sudanese soil, WhenAcacia senegal was inoculated with pure cultures of the strains, there were statistically significant differences among the strains with respect to ...

journal_title：World journal of microbiology & biotechnology

authors： Zhang X,Karsisto M,Lindström K

更新日期：1992-03-01 00:00:00

abstract：:We investigated the potential production and desiccation tolerance of microsclerotia (MS) by Brazilian strains of Metarhizium anisopliae (Ma), M. acridum (Mc) and M. robertsii (Mr). These fungi were grown in a liquid medium containing 16 g carbon l⁻¹ with a carbon:nitrogen ratio of 50:1. One hundred milliliters cultur...

journal_title：World journal of microbiology & biotechnology

authors： Mascarin GM,Kobori NN,de Jesus Vital RC,Jackson MA,Quintela ED

更新日期：2014-05-01 00:00:00

abstract：:Hydroxy long-chain fatty acids occur widely in animals and plants and have important physiological activities in these eukaryotes. There are indications that these compounds are also common and important in fungi. The occurrence of hydroxy-polyunsaturated fatty acids (hydroxy-PUFAs) is of biotechnological importance, ...

journal_title：World journal of microbiology & biotechnology

authors： Van Dyk MS,Kock JL,Botha A

更新日期：1994-09-01 00:00:00

abstract：:Cr(VI) is a highly toxic metal produced by anthropogenic activity which may impact the environment, affecting plants and animals. In plants, chromium both as Cr(III) or Cr(VI) can be absorbed by roots, is poorly translocated and affects negatively plant growth. Plants used in phytoremediation need to cope with chromiu...

journal_title：World journal of microbiology & biotechnology

authors： Francisco R,Branco R,Schwab S,Baldani JI,Morais PV

更新日期：2017-12-18 00:00:00

abstract：:Ergosterol is the predominant nature sterol constituent of plasma membrane in Saccharomyces cerevisiae. Herein, the biosynthetic pathway of ergosterol was proposed to be metabolically engineered for the efficient production of ergosta-5,7-dien-3β-ol, which is the precursor of vitamin D4. By target disruption of erg5, ...

journal_title：World journal of microbiology & biotechnology

authors： Ma BX,Ke X,Tang XL,Zheng RC,Zheng YG

更新日期：2018-03-28 00:00:00

abstract：:Rhizoctonia bataticola produced oxalic acid in vitro and in vivo during pathogenesis of patato tuber. Polygalacturonase (PG) was also detected in culture filtrates of the rot-causing organism. Levels of maceration and cell death in tuber tissue were higher when a mixture of oxalic acid and PG was used than when either...

journal_title：World journal of microbiology & biotechnology

authors： Amadioha AC

更新日期：1993-09-01 00:00:00

abstract：:A mutant of Bacillus subtilis AF 1 (an antifungal strain with plant growth-promoting activity, resistant to 100 μg streptomycin/ml) was isolated from pigeon pea rhizosphere and, when used in peanut bacterization, decreased fungal and bacterial numbers and increased the actinomycete population in the rhizosphere. Over ...

journal_title：World journal of microbiology & biotechnology

authors： Podile AR

更新日期：1994-11-01 00:00:00

abstract：:Bacteria associated with eight field-collected and five cultured soft corals of Briareum sp., Sinularia sp., Sarcophyton sp., Nephtheidae sp., and Lobophytum sp. were screened for their abilities in producing antimicrobial metabolites. Field-collected coral samples were collected from Nanwan Bay in southern Taiwan. Cu...

journal_title：World journal of microbiology & biotechnology

authors： Chen YH,Kuo J,Sung PJ,Chang YC,Lu MC,Wong TY,Liu JK,Weng CF,Twan WH,Kuo FW

更新日期：2012-12-01 00:00:00

abstract：:A rapid, simple and sensitive method for detection of ferulic and p-coumaric acids using HPLC has been developed which can be used to determine the respective phenolic acid esterase activities of microorganisms. Prior concentration, purification or derivatization of the samples are not required. As little as 0.5 mg fe...

journal_title：World journal of microbiology & biotechnology

authors： O'Neill FH,Christov LP,Botes PJ,Prior BA

更新日期：1996-05-01 00:00:00

abstract：:This study was conducted to investigate biocontrol potential of Paenibacillus ehimensis KWN38 against Fusarium oxysporum f.sp. lycopersici causing Fusarium wilt disease in tomato. Our result showed that P. ehimensis KWN38 produced extracellular organic compounds and crude enzyme to inhibit F. oxysporum f.sp. lycopersi...

journal_title：World journal of microbiology & biotechnology

authors： Naing KW,Nguyen XH,Anees M,Lee YS,Kim YC,Kim SJ,Kim MH,Kim YH,Kim KY

更新日期：2015-01-01 00:00:00

abstract：:The ideal vaccine is discussed under three headings. 1. The major requirements of the vaccine. This includes primarlly safety and efficacy and a number of other desirable features if the vaccine is to control a disease of global importance. These include cost, easy administration (e.g. orally), thermal stability, mult...

journal_title：World journal of microbiology & biotechnology

authors： Ada GL

更新日期：1991-03-01 00:00:00

abstract：:Biotransformations have gained extensive importance in practical use as a support for chemical synthesis or in the conversion of natural products. Biotransformations may present an enlargement, a sequential degradation or a specific modification of synthetic or natural compounds. The tools for biotransformations are p...

journal_title：World journal of microbiology & biotechnology

authors： Kieslich K

更新日期：1992-12-01 00:00:00

abstract：:Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The structures were established by spectroscopic methods. ...

journal_title：World journal of microbiology & biotechnology

authors： Choudhry S,Halos S,Krischenowski D,Schmeda-Hirschmann G

更新日期：1993-01-01 00:00:00

abstract：:Alicyclobacillus acidoterrestris is one of the most spoilage-causing bacteria in fruit juices. Control of A. acidoterrestris in fruit juices by bificin C6165 (Pei et al. in J Appl Microbiol 114(5):1273-1284, 2013), a bacteriocin produced by Bifidobacterium animalis subsp. animalis CICC 6165, was described in this stud...

journal_title：World journal of microbiology & biotechnology

authors： Pei J,Yue T,Yuan Y

更新日期：2014-03-01 00:00:00

abstract：:Bacillus amyloliquefaciens strain WF02, isolated from soil collected at Wufeng Mountain, Taiwan, has siderophore-producing ability and in vitro antagonistic activity against bacterial wilt pathogen. To determine the impact of plant genotype on biocontrol effectiveness, we treated soil with this strain before infecting...

journal_title：World journal of microbiology & biotechnology

authors： Huang CN,Lin CP,Hsieh FC,Lee SK,Cheng KC,Liu CT

更新日期：2016-11-01 00:00:00

abstract：:Fossil fuels consumption impacts the greenhouse gas emissions. Biofuels are considered as alternative renewable energy sources to reduce the fossil fuels dependency. Bioethanol produced by recombinant microorganisms is a widely suggested alternative to increase the yield in fermentation processes. However, ethanol and...

journal_title：World journal of microbiology & biotechnology

authors： Martínez-Alcantar L,Díaz-Pérez AL,Campos-García J

更新日期：2019-11-20 00:00:00