Pyrosequence analysis of the hsp65 genes of nontuberculous mycobacterium communities in unchlorinated drinking water in the Netherlands.

abstract：:Disruption of the aflatoxin biosynthesis cluster gene aflY (hypA) gave Aspergillus parasiticus transformants that accumulated versicolorin A. This gene is predicted to encode the Baeyer-Villiger oxidase necessary for formation of the xanthone ring of the aflatoxin precursor demethylsterigmatocystin. ...

journal_title：Applied and environmental microbiology

authors： Ehrlich KC,Montalbano B,Boué SM,Bhatnagar D

更新日期：2005-12-01 00:00:00

abstract：:Vibrio cholerae non-O1/non-O139 strains have caused several cases of ear, wound, and blood infections, including one lethal case of septicemia in Austria, during recent years. All of these cases had a history of local recreational activities in the large eastern Austrian lake Neusiedler See. Thus, a monitoring program...

journal_title：Applied and environmental microbiology

authors： Kirschner AK,Schlesinger J,Farnleitner AH,Hornek R,Süss B,Golda B,Herzig A,Reitner B

更新日期：2008-04-01 00:00:00

abstract：:The MICRO-ID LISTERIA system, designed to identify Listeria isolates to species level within 24 h, was compared with conventional biochemical identification. MICRO-ID LISTERIA used in combination with the CAMP test correctly identified 409 (98.8%) of 414 strains isolated from human, animal, food, and environmental sou...

journal_title：Applied and environmental microbiology

authors： Bannerman E,Yersin MN,Bille J

更新日期：1992-06-01 00:00:00

abstract：:A marine bacterial strain that decomposes the cell walls of some seaweeds, including a Laminaria sp. and Undaria pinnatifida, has been isolated from seawater. This strain has been classified to the genus Vibrio. One of the enzymes which the bacteria secreted into the culture medium was isolated and purified 45-fold fr...

journal_title：Applied and environmental microbiology

authors： Sugano Y,Terada I,Arita M,Noma M,Matsumoto T

更新日期：1993-05-01 00:00:00

abstract：:Since their initial discovery in samples from the north Atlantic Ocean, 16S rRNA genes related to the environmental gene clone cluster known as SAR202 have been recovered from pelagic freshwater, marine sediment, soil, and deep subsurface terrestrial environments. Together, these clones form a major, monophyletic subg...

journal_title：Applied and environmental microbiology

authors： Morris RM,Rappé MS,Urbach E,Connon SA,Giovannoni SJ

更新日期：2004-05-01 00:00:00

abstract：:A dense exopolysaccharide (EPS) matrix is crucial for cyanobacterial survival in terrestrial xeric environments, in which cyanobacteria undergo frequent expansion and shrinkage processes during environmental desiccation-rehydration cycles. However, it is unclear how terrestrial cyanobacteria coordinate the structural ...

journal_title：Applied and environmental microbiology

authors： Liu W,Cui L,Xu H,Zhu Z,Gao X

更新日期：2017-10-31 00:00:00

abstract：:A Bacillus sp. capable of utilizing phosphite and hypophosphite under anaerobic conditions was isolated from Cape Canerval soil samples. The organism was isolated on a glucose-mineral salts medium with phosphate deleted. Anaerobic cultivation of this isolate resulted in decreases in the hypophosphite or phosphite conc...

journal_title：Applied and environmental microbiology

authors： Foster TL,Winans L Jr,Helms SJ

更新日期：1978-05-01 00:00:00

abstract：UNLABELLED:Stress-induced abdominal dysfunction is an attractive target for probiotics. To investigate the effects of the probiotic Lactobacillus casei strain Shirota on abdominal dysfunction, a double-blind, placebo-controlled trial was conducted with healthy medical students undertaking an authorized nationwide exami...

journal_title：Applied and environmental microbiology

authors： Kato-Kataoka A,Nishida K,Takada M,Kawai M,Kikuchi-Hayakawa H,Suda K,Ishikawa H,Gondo Y,Shimizu K,Matsuki T,Kushiro A,Hoshi R,Watanabe O,Igarashi T,Miyazaki K,Kuwano Y,Rokutan K

更新日期：2016-05-31 00:00:00

abstract：:In Vibrio vulnificus, virulence for eels is associated with serovar E strains. In this study, we investigated some biological properties of purified lipopolysaccharides (LPSs) from serovar E and non-serovar E strains. Purified LPSs retained their O-polysaccharidic side chains and did not show any differences that coul...

journal_title：Applied and environmental microbiology

authors： Biosca EG,Collado RM,Oliver JD,Amaro C

更新日期：1999-02-01 00:00:00

abstract：:Both the wild type and an isogenic hydrogenase-negative mutant of Azorhizobium caulinodans growing ex planta on N(2) as the N source were studied in succinate-limited steady-state chemostat cultures under 0.2 to 3.0% dissolved O(2) tension. Production or consumption of O(2), H(2), and CO(2) was measured with an on-lin...

journal_title：Applied and environmental microbiology

authors： Boogerd FC,Ferdinandy-van Vlerken MM,Mawadza C,Pronk AF,Stouthamer AH,van Verseveld HW

更新日期：1994-06-01 00:00:00

abstract：:An early warning system using a rapid enzymatic semiautomated method suitable for fecal coliform detection in recreational waters within 8 h was developed further and evaluated in this study. This rapid method was compared to the standard method followed in the United Kingdom. We used 1,011 samples originating from 20...

journal_title：Applied and environmental microbiology

authors： Anglès d'Auriac MB,Roberts H,Shaw T,Sirevåg R,Hermansen LF,Berg JD

更新日期：2000-10-01 00:00:00

abstract：:The nonlinear thermal inactivation of Aspergillus niger spores in phosphate-citrate buffer was studied. The thermal inactivation pattern of the spore consisted of a shoulder, an accelerated decline, and a tail at various constant temperatures around 60 degrees C. The pattern fitted a thermotolerant subpopulation model...

journal_title：Applied and environmental microbiology

authors： Fujikawa H,Itoh T

更新日期：1996-10-01 00:00:00

abstract：:The detection and enumeration of most cultivable human enteric viruses from water is possible if samples are first inoculated onto a suitable cell line such as MA-104 or BGM. Virus growth is then detected by an indirect immunoperoxidase method with human immune serum globulin as the source of antibody to most enteric ...

journal_title：Applied and environmental microbiology

authors： Payment P,Trudel M

更新日期：1985-11-01 00:00:00

abstract：:Thirty-three standard mycotoxins were assayed by thin-layer chromatography and by cytotoxicity in HEp-2 and Chang cells. Various levels of detection were found. The cytotoxicity test was significantly more sensitive than thin-layer chromatography for the trichothecenes and should be useful for screening extracts from ...

journal_title：Applied and environmental microbiology

authors： Robb J,Norval M

更新日期：1983-10-01 00:00:00

abstract：:In studies designed to determine the factors responsible for control of herpesvirus replicaton in an infected cell, we examined the interaction of varicella-zoster (VZ) virus-infected human embryonic lung cells with the pesticide carbaryl. The replication of the cell-associated VZ virus was enhanced 2- to 13-fold as c...

journal_title：Applied and environmental microbiology

authors： Abrahamsen LH,Jerkofsky M

更新日期：1981-03-01 00:00:00

abstract：:We studied the role of the regulatory gene aflR and its product, AflR, in the biosynthesis of aflatoxin in Aspergillus. Western blot and enzyme-linked immunosorbent assay analyses revealed that aflatoxin B1 accumulation was directly related to AflR expression and was regulated by various environmental and nutritional ...

journal_title：Applied and environmental microbiology

authors： Liu BH,Chu FS

更新日期：1998-10-01 00:00:00

abstract：:A method is described whereby the presence of Salmonella spp. can be detected within 8 to 24 h of sample collection. The method depends upon the interaction of Salmonella spp. with the Salmonella-specific Felix-O1 bacteriophage. This interaction results in an increase in concentration of the bacteriophage which is det...

journal_title：Applied and environmental microbiology

authors： Hirsh DC,Martin LD

更新日期：1983-01-01 00:00:00

abstract：:Application of a mycorrhizal inoculum could be one way to increase the yield of rice plants and reduce the application of fertilizer. We therefore studied arbuscular mycorrhizal fungi (AMF) in the roots of wetland rice (Oryza sativa L.) collected at the seedling, tillering, heading, and ripening stages in four paddy w...

journal_title：Applied and environmental microbiology

authors： Wang Y,Li T,Li Y,Björn LO,Rosendahl S,Olsson PA,Li S,Fu X

更新日期：2015-04-01 00:00:00

abstract：:The thermophilic bacterium Bacillus thermoantarcticus produces two exocellular polysaccharides (EPS 1 and EPS 2), which can be obtained from the supernatant of liquid cultures by cold-ethanol precipitation, in yields as high as 400 mg liter(sup-1). The EPS fraction was produced with all substrates tested, although a h...

journal_title：Applied and environmental microbiology

authors： Manca MC,Lama L,Improta R,Esposito E,Gambacorta A,Nicolaus B

更新日期：1996-09-01 00:00:00

abstract：:We investigated the relationship between bacterioplankton production (BP), respiration (BR), and community composition measured by terminal restriction fragment length polymorphism in the southern North Sea over a seasonal cycle. Major changes in bacterioplankton richness were apparent from April to December. While ce...

journal_title：Applied and environmental microbiology

authors： Reinthaler T,Winter C,Herndl GJ

更新日期：2005-05-01 00:00:00

abstract：:Obligate aerobic organisms rely on a functional electron transport chain for energy conservation and NADH oxidation. Because of this essential requirement, the genes of this pathway are likely constitutively and highly expressed to avoid a cofactor imbalance and energy shortage under fluctuating environmental conditio...

journal_title：Applied and environmental microbiology

authors： Nies SC,Dinger R,Chen Y,Wordofa GG,Kristensen M,Schneider K,Büchs J,Petzold CJ,Keasling JD,Blank LM,Ebert BE

更新日期：2020-05-19 00:00:00

abstract：:The aim of this work was to investigate the medium requirements for growth and production of exopolysaccharides by Lactobacillus delbrueckii subsp. bulgaricus NCFB 2772. The strain was grown in batch cultures on a chemically defined medium, and the technique of single omission of medium components was applied to deter...

journal_title：Applied and environmental microbiology

authors： Grobben GJ,Chin-Joe I,Kitzen VA,Boels IC,Boer F,Sikkema J,Smith MR,de Bont JA

更新日期：1998-04-01 00:00:00

abstract：:A novel thermostable alcohol dehydrogenase (ADH) showing activity toward aromatic secondary alcohols was identified from the hyperthermophilic archaeon Thermococcus kodakarensis KOD1 (TkADH). The gene, tk0845, which encodes an aldo-keto reductase, was heterologously expressed in Escherichia coli. The enzyme was found ...

journal_title：Applied and environmental microbiology

authors： Wu X,Zhang C,Orita I,Imanaka T,Fukui T,Xing XH

更新日期：2013-04-01 00:00:00

abstract：:Wood-degrading fungi use a sequence of oxidative and hydrolytic mechanisms to loosen lignocellulose and then release and metabolize embedded sugars. These temporal sequences have recently been mapped at high resolution using directional growth on wood wafers, revealing previously obscured dynamics as fungi progressive...

journal_title：Applied and environmental microbiology

authors： Presley GN,Panisko E,Purvine SO,Schilling JS

更新日期：2018-08-01 00:00:00

abstract：:A molecular diagnostic system using single nucleotide polymorphisms (SNPs) was developed to identify four Sclerotinia species: S. sclerotiorum (Lib.) de Bary, S. minor Jagger, S. trifoliorum Erikss., and the undescribed species Sclerotinia species 1. DNAs of samples are hybridized with each of five 15-bp oligonucleoti...

journal_title：Applied and environmental microbiology

authors： Andrew M,Kohn LM

更新日期：2009-09-01 00:00:00

abstract：:Trichloroethylene (TCE)-transforming aquifer methanotrophs were evaluated for the influence of TCE oxidation toxicity and the effect of reductant availability on TCE transformation rates during methane starvation. TCE oxidation at relatively low (6 mg liter-1) TCE concentrations significantly reduced subsequent methan...

journal_title：Applied and environmental microbiology

authors： Henry SM,Grbić-Galić D

更新日期：1991-01-01 00:00:00

abstract：:Small-subunit ribosomal DNA (SSU rDNA) from 20 phenotypically distinct strains of 2,4-dichlorophenoxyacetic acid (2,4-D)-degrading bacteria was partially sequenced, yielding 18 unique strains belonging to members of the alpha, beta, and gamma subgroups of the class Proteobacteria. To understand the origin of 2,4-D deg...

journal_title：Applied and environmental microbiology

authors： McGowan C,Fulthorpe R,Wright A,Tiedje JM

更新日期：1998-10-01 00:00:00

abstract：:Anaerobic treatment of a volatile fatty acid (VFA) mixture was investigated under psychrophilic (3 to 8 degrees C) conditions in two laboratory-scale expanded granular sludge bed reactor stages in series. The reactor system was seeded with mesophilic methanogenic granular sludge and fed with a mixture of VFAs. Good re...

journal_title：Applied and environmental microbiology

authors： Lettinga G,Rebac S,Parshina S,Nozhevnikova A,van Lier JB,Stams AJ

更新日期：1999-04-01 00:00:00

abstract：:To examine whether the heat-labile enterotoxin gene in porcine enterotoxigenic Escherichia coli (ETEC) strains is as divergent as in human ETEC strains, we sequenced the heat-labile and heat-stable toxin genes from 52 and 33 porcine ETEC strains, respectively. We found that the STa gene is identical, that the LT gene ...

journal_title：Applied and environmental microbiology

authors： Zhang C,Rausch D,Zhang W

更新日期：2009-10-01 00:00:00

abstract：:We present a tool for repetitive, marker-free, site-specific integration in Lactococcus lactis, in which a nonreplicating plasmid vector (pKV6) carrying a phage attachment site (attP) can be integrated into a bacterial attachment site (attB). The novelty of the tool described here is the inclusion of a minimal bacteri...

journal_title：Applied and environmental microbiology

authors： Petersen KV,Martinussen J,Jensen PR,Solem C

更新日期：2013-06-01 00:00:00