The effect of rhamnolipid biosurfactant produced by Pseudomonas fluorescens on model bacterial strains and isolates from industrial wastewater.

abstract：:Brevibacterium halotolerans is currently classified as a member of the Brevibacterium genus, a genus that groups together many bacterial species of similar morphology but diverse biochemical and physiological features. Here we suggest, based on multiple gene sequencing and microbial and biochemical characterization of...

journal_title：Current microbiology

authors： Ben-Gad D,Gerchman Y

更新日期：2017-01-01 00:00:00

abstract：:Favre and coworkers (Favre et al., Biochimie 73:235-244, 1991) previously reported that the Bordetella pertussis recA gene present at high copy number could promote a low frequency of recombination, but not bacteriophage induction in Escherichia coli RecA- mutants. Reexamination of these phenotypes demonstrated that, ...

journal_title：Current microbiology

authors： Kuhl SA

更新日期：1996-03-01 00:00:00

abstract：:Production of pediocin in Pediococcus acidilactici is associated with pMBR1.0, which encodes prepediocin, a pediocin immunity protein, and two proteins involved in secretion and precursor processing. These four genes are organized as an operon under control of a single promoter. We have constructed shuttle vectors tha...

journal_title：Current microbiology

authors： Coderre PE,Somkuti GA

更新日期：1999-11-01 00:00:00

abstract：:Six cyanobacterial isolates recovered from Polynesian microbial mats, called "kopara," were cultured using laboratory-closed photobioreactors and were shown to produce exopolymers as released and capsular exopolysaccharides (EPS). These polymers have been chemically characterized using colorimetric and elemental assay...

journal_title：Current microbiology

authors： Richert L,Golubic S,Guédès RL,Ratiskol J,Payri C,Guezennec J

更新日期：2005-12-01 00:00:00

abstract：:Subsurface Wastewater Infiltration System (SWIS) is a sewage ecological treatment technology with low investment, energy consumption, and operating cost. SWIS soil contains a large variety of microorganisms. The metabolic process and production of microorganisms are an important basis for qualitatively describing the ...

journal_title：Current microbiology

authors： Yang L,Li Y,Su F,Li H

更新日期：2020-02-01 00:00:00

abstract：:A Gram-negative, short rod-shaped, gliding motile, and pale pink-pigmented bacterial strain, designated 15J9-9T, was isolated from the soil of Iho Tewoo Beach, Jeju Island, Korea, and characterized taxonomically using a polyphasic approach. Comparative 16S rRNA gene sequence analysis showed that strain 15J9-9T belonge...

journal_title：Current microbiology

authors： Park SJ,Lee JJ,Lee SY,Lee DS,Kim MK,Ten LN,Jung HY

更新日期：2017-07-01 00:00:00

abstract：:A total, 58 strains of Bacillus thuringiensis were isolated from soils of various regions in Korea. Serological tests showed that B. thuringiensis isolates represented 10 H serotypes, indicating a varied flora of B. thuringiensis. But the H serotypes did not have a significantly uneven distribution, ranging from 1 to ...

journal_title：Current microbiology

authors： Kim HS,Lee DW,Woo SD,Yu YM,Kang SK

更新日期：1998-09-01 00:00:00

abstract：:Pseudomonas aeruginosa is an opportunistic human pathogen, which can cause severe urinary tract infections (UTIs). Because of the high intrinsic antibiotic resistance of P. aeruginosa and its ability to develop new resistances during antibiotic treatment, these infections are difficult to eradicate. The antibiotic sus...

journal_title：Current microbiology

authors： Narten M,Rosin N,Schobert M,Tielen P

更新日期：2012-01-01 00:00:00

abstract：:Glutamine synthetase (GS) fromBeneckea alginolytica strain 90 was purified to homogeneity as indicated by sodium dodecyl sulface polyacrylamide gel electrophoresis. The purified enzyme was injected into rabbits, and the antiserum, as well as previously prepared antiserum against the GS fromEscherichia coli, was used i...

journal_title：Current microbiology

authors： Baumann L,Baumann P

更新日期：1980-07-01 00:00:00

abstract：:Yarrowia lipolytica is a dimorphic fungus that secretes either an acidic or an alkaline protease depending on the environmental pH. Previous results have indicated that secretion of the alkaline protease is under control of the pH signaling Pal/Rim pathway originally described in Aspergillus nidulans. Several Y. lipol...

journal_title：Current microbiology

authors： González-López CI,Ortiz-Castellanos L,Ruiz-Herrera J

更新日期：2006-07-01 00:00:00

abstract：:Aminopeptidases (APN) may play a role in host colonization of M. gallinarum. Characterization of endogenous APN activity suggests that the leucine APN (LAP) of M. gallinarum is a metallo-aminopeptidase activated by Mn2+ and is present in the cytosol and possibly associated with the inner leaflet of the membrane. A 1.3...

journal_title：Current microbiology

authors： Wan X,Branton SL,Hanson LA,Pharr GT

更新日期：2004-01-01 00:00:00

abstract：:Predation by Bdellovibrio-like organisms (BLOs) results in bacterial community succession in aquatic ecosystems. The effects of nutrient loading on the distribution and phylogeny of BLOs remain largely unknown. To this end, we present our findings on BLO diversity from four north-Indian lakes that are variable in thei...

journal_title：Current microbiology

authors： Chauhan A,Fortenberry GZ,Lewis DE,Williams HN

更新日期：2009-07-01 00:00:00

abstract：:Orf101 (Bm101) of Bombyx mori nucleopolyhedrovirus (BmNPV) is a highly conserved gene in lepidopteran nucleopolyhedroviruses, but its function remains unknown. In this study, Bm101 was characterized. Transcripts of Bm101 were detected from 24 through 96 h post infection (h p.i.) by RT-PCR. The corresponding protein wa...

journal_title：Current microbiology

authors： Chen H,Li M,Huang G,Mai W,Chen K,Zhou Y

更新日期：2014-08-01 00:00:00

abstract：:Cadmium (Cd) and zinc (Zn) are environmental pollutants affecting both soil and water. The toxicity resulting from the exposure of Xanthomonas campestris, a soil bacterium and plant pathogen, to these metals was investigated. Pretreatment of X. campestris with sub-lethal concentrations of Cd induced adaptive protectio...

journal_title：Current microbiology

authors： Banjerdkij P,Vattanaviboon P,Mongkolsuk S

更新日期：2003-09-01 00:00:00

abstract：:Adenosine 5'-phosphosulfate (APS) reductase is a key enzyme involved in the pathways of sulfate reduction and sulfide oxidation in the biological sulfur cycle. In this study, the gene of APS reductase from Acidithiobacillus ferrooxidans was cloned and expressed in Escherichia coli, the soluble protein was purified by ...

journal_title：Current microbiology

authors： Zheng C,Zhang Y,Liu Y,Wu A,Xia L,Zeng J,Liu J,Qiu G

更新日期：2009-06-01 00:00:00

abstract：:A Gram-positive bacterium, designated strain XY18(T), was isolated from a cured vanilla bean in Hainan province, China. Cells were rod-shaped, endospore producing, and peritrichous flagella. Strain XY18(T) grew at salinities of 0-8 % (w/v) NaCl (optimally 1-4 %), pH 4.0-8.0 (optimally 5.0-7.0 %) and temperature range ...

journal_title：Current microbiology

authors： Chen YG,Gu FL,Li JH,Xu F,He SZ,Fang YM

更新日期：2015-02-01 00:00:00

abstract：:Previously we isolated six actinomycetes strains, 9-4, 10-1, 10-2, 10-3, 10-6, and 21-4, that produce phospholipase D (PLD) with high transphosphatidylation activity. In this study, we identified these strains, and the PLD activities were compared with those of reference strains. 16S rDNA sequences and DNA-DNA hybridi...

journal_title：Current microbiology

authors： Nakazawa Y,Suzuki R,Uchino M,Sagane Y,Kudo T,Nagai T,Sato H,Takano K

更新日期：2010-05-01 00:00:00

abstract：:The expression of the pyrroloquinoline quinone (PQQ)-dependent glucose dehydrogenase (GDH) of Rhizobium tropici CIAT899 and Sinorhizobium meliloti RCR2011 was investigated under different nutrient-limiting conditions in continuous cultures, under different conditions of phosphate availability, and in S. meliloti bacte...

journal_title：Current microbiology

authors： Bernardelli CE,Luna MF,Galar ML,Boiardi JL

更新日期：2001-05-01 00:00:00

abstract：:The goal of this study was to evaluate how two new hydrolysates from poultry by-products act on ten lactobacilli growth kinetics when supplemented to the growth medium. These effects were compared with ones induced by two most common commercial hydrolysates, i.e., tryptone and peptone. Growth medium, supplemented with...

journal_title：Current microbiology

authors： Meli F,Lazzi C,Neviani E,Gatti M

更新日期：2014-01-01 00:00:00

abstract：:Pantoea beijingensis, a gram-negative pathogenic bacterium, causes soft rot disease in the fungus Pleurotus eryngii in China. However, the taxonomic classification of this pathogen is controversial due to close relationships between bacteria of the genera Pantoea and Erwinia. This study aimed to resolve the identity o...

journal_title：Current microbiology

authors： Xu F,Yan H,Liu Y,Zhao S,Song S,Gu T,Song Z,Xie J,Rong C

更新日期：2021-01-01 00:00:00

abstract：:Previous studies have established that psyllids (Hemiptera, Psylloidea) contain primary endosymbionts, designated as Carsonella ruddii, which cospeciate with the psyllid host. This association appears to be the consequence of a single infection of a psyllid ancestor with a bacterium. Some psyllids may have additional ...

journal_title：Current microbiology

authors： Thao ML,Clark MA,Baumann L,Brennan EB,Moran NA,Baumann P

更新日期：2000-10-01 00:00:00

abstract：:The cyclomaltodextrinase gene from Bacillus subtilis high-temperature growth transformant H-17 was cloned on separate PstI, BamHI, and EcoRI fragments into the plasmid vector pUC18, but was expressed in an inactive form in the host, Escherichia coli DH5 alpha. High level constitutive expression of the gene product was...

journal_title：Current microbiology

authors： Krohn BM,Lindsay JA

更新日期：1993-04-01 00:00:00

abstract：:Actinomycetes are a wide group of Gram positive prokaryotes, the soil being their most characteristic habitat, where they play important ecological functions. Their immense biotechnological potential as producers of bioactive molecules of great commercial and industrial interest is exemplified by most antibiotics for ...

journal_title：Current microbiology

authors： Hernández-Bolaños E,Montesdeoca-Flores D,Abreu-Yanes E,Barrios ML,Abreu-Acosta N

更新日期：2020-09-01 00:00:00

abstract：:A novel actinomycete, designated strain LAM7112T, was isolated from soil sample collected from a birch forest in Xinjiang Uygur Autonomous Region, China. The new isolate was found to be able to grow at 20-45 °C (optimum: 35 °C), pH 5.0-10.0 (optimum: 7.0) and in the presence of 0-10.0% (optimum: 3.0%) (w/v) NaCl. The ...

journal_title：Current microbiology

authors： Ma Q,Zhang Q,Jiang X,Kong D,Han X,Xue H,Zhou Y,Zhang Y,Zhang W,Ruan Z

更新日期：2020-11-01 00:00:00

abstract：:The neurotoxin gene of non-proteolytic Clostridium botulinum type B (strain Eklund 17B) was cloned as a series of overlapping polymerase chain reaction (PCR) fragments generated with primers designed to conserved regions of published botulinal toxin (BoNT) sequences. The 3' end of the gene was obtained by using primer...

journal_title：Current microbiology

authors： Hutson RA,Collins MD,East AK,Thompson DE

更新日期：1994-02-01 00:00:00

abstract：:Together with the worldwide Washoku (traditional Japanese foods and drinks) boom, interest in sake, a traditional Japanese alcoholic drink, is increasing around the world. There are few scientific analyses and studies on the production of sake or the final product itself. We show the diversity of bacterial contaminant...

journal_title：Current microbiology

authors： Akaike M,Miyagawa H,Kimura Y,Terasaki M,Kusaba Y,Kitagaki H,Nishida H

更新日期：2020-04-01 00:00:00

abstract：:An in vitro study was conducted to examine the metabolism of histidine (His) by mixed rumen bacteria (B), mixed rumen protozoa (P), and a combination of the two (BP). Rumen microorganisms were collected from fistulated goats fed with lucerne cubes (Medicago sativa) and a concentrate mixture twice a day. Microbial susp...

journal_title：Current microbiology

authors： Wadud S,Onodera R,Or-Rashid MM,Oshiro S

更新日期：2001-01-01 00:00:00

abstract：:Pigment from the endophyte Burkholderia sp. WYAT7 isolated from the medicinal plant Artemisia nilagirica (Clarke) Pamp. was extracted. The antibacterial efficacy of the crude pigment Y was assessed as a source of antibiotic against both Gram-positive and Gram-negative bacterial pathogens. The pigment Y exhibited a sig...

journal_title：Current microbiology

authors： Ashitha A,Radhakrishnan EK,Mathew J

更新日期：2020-09-01 00:00:00

abstract：:The non-metabolizable glucose analog, 2-deoxyglucose (2-DG), decreased the growth rate and optical density of Streptococcus bovis JB1 20%, but it had an even greater effect on stationary phase cultures. Control cultures receiving only glucose (2 mg/ml) lysed very slowly (<5% decline in optical density in 48 h), but cu...

journal_title：Current microbiology

authors： Russell JB,Wells JE

更新日期：1997-11-01 00:00:00

abstract：:This study was undertaken to identify exopolysaccharide-producing bacteria gathered from 18 hypersaline habitats. Phenotypic studies performed with 134 isolates revealed the majority of them to be Gram-negative rods with respiratory metabolism, belonging to the genus Halomonas. A numerical analysis of the 114 phenotyp...

journal_title：Current microbiology

authors： Martínez-Cánovas MJ,Quesada E,Martínez-Checa F,Béjar V

更新日期：2004-05-01 00:00:00