Identifying members of the domain Archaea with rRNA-targeted oligonucleotide probes.

abstract：:Many but not all ammonia-oxidizing bacteria (AOB) produce urease (urea amidohydrolase, EC 3.5.1.5) and are capable of using urea for chemolithotrophic growth. We sequenced the urease operons from two AOB, the beta-proteobacterium Nitrosospira sp. strain NpAV and the gamma-proteobacterium Nitrosococcus oceani. In both ...

journal_title：Applied and environmental microbiology

authors： Koper TE,El-Sheikh AF,Norton JM,Klotz MG

更新日期：2004-04-01 00:00:00

abstract：:Marine infaunal burrows and tubes greatly enhance solute transport between sediments and the overlying water column and are sites of elevated microbial activity. Biotic and abiotic controls of the compositions and activities of burrow and tube microbial communities are poorly understood. The microbial communities in t...

journal_title：Applied and environmental microbiology

authors： Matsui GY,Ringelberg DB,Lovell CR

更新日期：2004-12-01 00:00:00

abstract：:Campylobacter jejuni is a pathogenic, microaerophilic, gram-negative, mesophilic bacterium. Three strains isolated from humans with enteric campylobacteriosis were able to survive at high population levels (10(7) cells ml-1) as viable-but-nonculturable (VBNC) forms in microcosm water. The VBNC forms of the three C. je...

journal_title：Applied and environmental microbiology

authors： Tholozan JL,Cappelier JM,Tissier JP,Delattre G,Federighi M

更新日期：1999-03-01 00:00:00

abstract：:Caldalkalibacillus thermarum strain TA2.A1 grew in pH-controlled batch culture containing a fermentable growth substrate (i.e., sucrose) from pH 7.5 to 10.0 with no significant change in the specific growth rate, suggesting that this bacterium was a facultative alkaliphile. However, when strain TA2.A1 was grown on a n...

journal_title：Applied and environmental microbiology

authors： McMillan DG,Keis S,Berney M,Cook GM

更新日期：2009-12-01 00:00:00

abstract：:Azospirillum spp. were shown to utilize both straw and xylan, a major component of straw, for growth with an adequate combined N supply and also under N-limiting conditions. For most strains examined, a semisolid agar medium was satisfactory, but several strains appeared to be capable of slow metabolism of the agar. S...

journal_title：Applied and environmental microbiology

authors： Halsall DM,Turner GL,Gibson AH

更新日期：1985-02-01 00:00:00

abstract：:Investigations concerning the role of distribution system biofilms on water quality were conducted at a drinking water utility in New Jersey. The utility experienced long-term bacteriological problems in the distribution system, while treatment plant effluents were uniformly negative for coliform bacteria. Results of ...

journal_title：Applied and environmental microbiology

authors： LeChevallier MW,Babcock TM,Lee RG

更新日期：1987-12-01 00:00:00

abstract：:Produce isolates of the Escherichia coli Ont:H52 serotype carried Shiga toxin 1 and stable toxin genes but only expressed Stx1. These strains had pulsed-field gel electrophoresis profiles that were 90% homologous to clinical Ont:H52 strains that had identical phenotypes and genotypes. All Ont:H52 strains had identical...

journal_title：Applied and environmental microbiology

authors： Monday SR,Keys C,Hanson P,Shen Y,Whittam TS,Feng P

更新日期：2006-04-01 00:00:00

abstract：:Suspension of adenovirus type 5 in 2.0 ml of cell culture fluid at 37 degrees C were subjected to smoke from four cigarettes over a 4-h period. The cigarettes were smoked in a normal manner, and the inhaled smoke was exhaled through glass tubing into the virus-containing fluid. The virus suspensions were then titrated...

journal_title：Applied and environmental microbiology

authors： Bardell D

更新日期：1978-11-01 00:00:00

abstract：:Denitrification is an alternative type of anaerobic respiration in which nitrate is reduced to gaseous products via nitrite. The key step in this process is the reduction of nitrite to nitric oxide, which is catalyzed by two structurally different but functionally equivalent forms of nitrite reductase encoded by the n...

journal_title：Applied and environmental microbiology

authors： Pratscher J,Stichternoth C,Fichtl K,Schleifer KH,Braker G

更新日期：2009-02-01 00:00:00

abstract：:An examination was made of various sites along the length of the swine large intestine, using strictly anaerobic culture methods. Sites were separated by differential washing into fractions described as lumenal content, lumenal surface layer, and intestinal wall tissue. Direct microscopic clump counts averaged 13.3 x ...

journal_title：Applied and environmental microbiology

authors： Russell EG

更新日期：1979-02-01 00:00:00

abstract：:The spatiotemporal distributions of Aeromonas spp. and fecal coliforms in a cove receiving sewage treatment effluent and draining into a brackish lagoon were studied for 34 months with sampling at six stations. A total of 452 strains of Aeromonas spp. were isolated and identified at the outflow of the treatment system...

journal_title：Applied and environmental microbiology

authors： Monfort P,Baleux B

更新日期：1991-09-01 00:00:00

abstract：:Recent studies have reported high levels of fecal indicator enterococci in marine beach sand. This study aimed to determine the spatial and temporal variation of enterococcal abundance and to evaluate its relationships with microbial community parameters in Hawaii beach sand and water. Sampling at 23 beaches on the Is...

journal_title：Applied and environmental microbiology

authors： Cui H,Yang K,Pagaling E,Yan T

更新日期：2013-06-01 00:00:00

abstract：:Diacetyl is a by-product of pyruvate metabolism in Lactococcus lactis, where pyruvate is first converted to alpha-acetolactate, which is slowly decarboxylated to diacetyl in the presence of oxygen. L. lactis usually converts alpha-acetolactate to acetoin enzymatically, by alpha-acetolactate decarboxylase encoded by th...

journal_title：Applied and environmental microbiology

authors： Goupil N,Corthier G,Ehrlich SD,Renault P

更新日期：1996-07-01 00:00:00

abstract：:The denitrifying betaproteobacterium "Aromatoleum aromaticum" strain EbN1 degrades several aromatic compounds, including ethylbenzene, toluene, p-cresol, and phenol, under anoxic conditions. The hydrophobicity of these aromatic solvents determines their toxic properties. Here, we investigated the response of strain Eb...

journal_title：Applied and environmental microbiology

authors： Trautwein K,Kühner S,Wöhlbrand L,Halder T,Kuchta K,Steinbüchel A,Rabus R

更新日期：2008-04-01 00:00:00

abstract：:The bacterial second messengers (p)ppGpp and bis-(3'-5')-cyclic dimeric GMP (c-di-GMP) regulate important functions, such as transcription, virulence, biofilm formation, and quorum sensing. In mycobacteria, they regulate long-term survival during starvation, pathogenicity, and dormancy. Recently, a Pseudomonas aerugin...

journal_title：Applied and environmental microbiology

authors： Gupta KR,Kasetty S,Chatterji D

更新日期：2015-04-01 00:00:00

abstract：UNLABELLED:Salmonella is recognized as one of the most significant enteric foodborne bacterial pathogens. In recent years, the resistance of pathogens to biocides and other environmental stresses, especially when they are embedded in biofilm structures, has led to the search for and development of novel antimicrobial s...

journal_title：Applied and environmental microbiology

authors： Karampoula F,Giaouris E,Deschamps J,Doulgeraki AI,Nychas GJ,Dubois-Brissonnet F

更新日期：2016-08-15 00:00:00

abstract：:Sulfate-reducing bacteria (SRB) in anoxic waters and sediments are the major producers of methylmercury in aquatic systems. Although a considerable amount of work has addressed the environmental factors that control methylmercury formation and the conditions that control bioavailability of inorganic mercury to SRB, li...

journal_title：Applied and environmental microbiology

authors： Ekstrom EB,Morel FM,Benoit JM

更新日期：2003-09-01 00:00:00

abstract：:Yarrowia lipolytica produces brown extracellular pigments that correlate with tyrosine catabolism. During tyrosine depletion, the yeast accumulated homogentisic acid, p-hydroxyphenylethanol, and p-hydroxyphenylacetic acid in the medium. Homogentisic acid accumulated under all aeration conditions tested, but its concen...

journal_title：Applied and environmental microbiology

authors： Carreira A,Ferreira LM,Loureiro V

更新日期：2001-08-01 00:00:00

abstract：:Previous studies have demonstrated that Staphylococcus epidermidis isolates colonizing the skin of healthy humans do not typically encode icaADBC, the genes responsible for the production of polysaccharide intercellular adhesin or biofilms. It was therefore hypothesized that the presence of icaADBC was deleterious to ...

journal_title：Applied and environmental microbiology

authors： Rogers KL,Rupp ME,Fey PD

更新日期：2008-10-01 00:00:00

abstract：:The relationship between physiochemical surface parameters and adhesion of bacterial cells to negatively charged polystyrene was studied. Cell surface hydrophobicity and electrokinetic potential were determined by contact angle measurement and electrophoresis, respectively. Both parameters influence cell adhesion. The...

journal_title：Applied and environmental microbiology

authors： van Loosdrecht MC,Lyklema J,Norde W,Schraa G,Zehnder AJ

更新日期：1987-08-01 00:00:00

abstract：:Chromohalobacter salexigens DSM 3043 can grow on N,N-dimethylglycine (DMG) as the sole C, N, and energy source and utilize sarcosine as the sole N source under aerobic conditions. However, little is known about the genes and enzymes involved in the conversion of DMG to sarcosine in this strain. In the present study, g...

journal_title：Applied and environmental microbiology

authors： Yang T,Shao YH,Guo LZ,Meng XL,Yu H,Lu WD

更新日期：2020-08-18 00:00:00

abstract：UNLABELLED:Raw sausages are perishable foodstuffs; reducing their salt content raises questions about a possible increased spoilage of these products. In this study, we evaluated the influence of salt reduction (from 2.0% to 1.5% [wt/wt]), in combination with two types of packaging (modified atmosphere [50% mix of CO2-...

journal_title：Applied and environmental microbiology

authors： Fougy L,Desmonts MH,Coeuret G,Fassel C,Hamon E,Hézard B,Champomier-Vergès MC,Chaillou S

更新日期：2016-06-13 00:00:00

abstract：:The utilization of gels, which are used for fluid drilling of seeds, as carriers of Bradyrhizobium japonicum for soybean (Glycine max (L.) Merr.) inoculation was studied. Gels of various chemical composition (magnesium silicate, potassium acrylate-acrylamide, grafted starch, and hydroxyethyl cellulose) were used, alth...

journal_title：Applied and environmental microbiology

authors： Jawson MD,Franzluebbers AJ,Berg RK

更新日期：1989-03-01 00:00:00

abstract：:A tremorgenic mycotoxin was isolated from Penicillium paraherquei Abe ex G. Smith and identified as verruculogen. It was produced at the rate of approximately 1 mg/g of the dried fungal mycelium cultured on peptone-enriched Czapek-Dox medium at 28 degrees C. ...

journal_title：Applied and environmental microbiology

authors： Yoshizawa T,Morooka N,Sawada Y,Udagawa SI

更新日期：1976-09-01 00:00:00

abstract：:NAD-linked alcohol dehydrogenase activity was detected in cell-free crude extracts from various propane-grown bacteria. Two NAD-linked alcohol dehydrogenases, one which preferred primary alcohols (alcohol dehydrogenase I) and another which preferred secondary alcohols (alcohol dehydrogenase II), were found in propane-...

journal_title：Applied and environmental microbiology

authors： Hou CT,Patel RN,Laskin AI,Barist I,Barnabe N

更新日期：1983-07-01 00:00:00

abstract：:Terminal olefins (1-alkenes) are natural products that have important industrial applications as both fuels and chemicals. However, their biosynthesis has been largely unexplored. We describe a group of bacteria, Jeotgalicoccus spp., which synthesize terminal olefins, in particular 18-methyl-1-nonadecene and 17-methyl...

journal_title：Applied and environmental microbiology

authors： Rude MA,Baron TS,Brubaker S,Alibhai M,Del Cardayre SB,Schirmer A

更新日期：2011-03-01 00:00:00

abstract：:Herein, we report that a modified gentamicin cassette and a PCR-based method can be used for targeted mutagenesis of the oral spirochete Treponema denticola. This approach minimizes polar effects and spontaneous antibiotic resistance. Therefore, it can serve as a reliable tool for genetic manipulation of T. denticola....

journal_title：Applied and environmental microbiology

authors： Bian J,Fenno JC,Li C

更新日期：2012-03-01 00:00:00

abstract：:The aim of this work was to identify genes in Lactococcus lactis subsp. lactis IL1403 and Lactococcus lactis subsp. cremoris Wg2 important for adsorption of the 936-species phages bIL170 and phi 645, respectively. Random insertional mutagenesis of the two L. lactis strains was carried out with the vector pGh9:ISS1, an...

journal_title：Applied and environmental microbiology

authors： Dupont K,Janzen T,Vogensen FK,Josephsen J,Stuer-Lauridsen B

更新日期：2004-10-01 00:00:00

abstract：:The model organism for polyhydroxybutyrate (PHB) biosynthesis, Ralstonia eutropha H16, possesses multiple isoenzymes of granules coating phasins as well as of PHB depolymerases, which degrade accumulated PHB under conditions of carbon limitation. In this study, recombinant Escherichia coli BL21(DE3) strains were used ...

journal_title：Applied and environmental microbiology

authors： Eggers J,Steinbüchel A

更新日期：2014-12-01 00:00:00

abstract：:The neutral red (NR) cell viability assay was used with various cell types of human origin to quantitate the potency of T-2 mycotoxin and its metabolites. The human melanoma SK-Mel/27 cell line was the most sensitive, with a midpoint cytotoxicity value of 2.8 ng of T-2 per ml. With the human hepatoma cell line, HepG2,...

journal_title：Applied and environmental microbiology

authors： Babich H,Borenfreund E

更新日期：1991-07-01 00:00:00