Annual bacterioplankton biomasses and productivities in a temperate west coast canadian fjord.

abstract：:The group II azoreductase BTI1 utilizes NADPH to directly cleave azo bonds in water-soluble azo dyes, including quenchers of fluorescence. Unexpectedly, optimal reduction was dye specific, ranging from a pH of <5.5 for Janus green B, to pH 6.0 for methyl red, methyl orange, and BHQ-10, to pH >8.3 for flame orange. ...

journal_title：Applied and environmental microbiology

authors： Johansson HE,Johansson MK,Wong AC,Armstrong ES,Peterson EJ,Grant RE,Roy MA,Reddington MV,Cook RM

更新日期：2011-06-01 00:00:00

abstract：:The genus Exiguobacterium can adapt readily to, and survive in, diverse environments. Our study demonstrated that Exiguobacterium sp. strain S3-2, isolated from marine sediment, is resistant to five antibiotics. The plasmid pMC1 in this strain carries seven putative resistance genes. We functionally characterized thes...

journal_title：Applied and environmental microbiology

authors： Yang J,Wang C,Wu J,Liu L,Zhang G,Feng J

更新日期：2014-02-01 00:00:00

abstract：:The worldwide decline in honeybee colonies during the past 50 years has often been linked to the spread of the parasitic mite Varroa destructor and its interaction with certain honeybee viruses. Recently in the United States, dramatic honeybee losses (colony collapse disorder) have been reported; however, there remain...

journal_title：Applied and environmental microbiology

authors： Highfield AC,El Nagar A,Mackinder LC,Noël LM,Hall MJ,Martin SJ,Schroeder DC

更新日期：2009-11-01 00:00:00

abstract：:Bacteria in the genus Streptomyces and its close relatives are prolific producers of secondary metabolites with antibiotic activity. Genome sequencing of these bacteria has revealed a rich source of potentially new antibiotic pathways, whose products have never been observed. Moreover, these new pathways can provide n...

journal_title：Applied and environmental microbiology

authors： Fayed B,Ashford DA,Hashem AM,Amin MA,El Gazayerly ON,Gregory MA,Smith MC

更新日期：2015-12-01 00:00:00

abstract：:Crenarchaeol, a membrane-spanning glycerol dialkyl glycerol tetraether (GDGT) containing a cyclohexane moiety in addition to four cyclopentane moieties, was originally hypothesized to be synthesized exclusively by the mesophilic Crenarchaeota. Recent studies reporting the occurrence of crenarchaeol in hot springs and ...

journal_title：Applied and environmental microbiology

authors： Pitcher A,Schouten S,Sinninghe Damsté JS

更新日期：2009-07-01 00:00:00

abstract：:The impact of promoter modification on the expression of the mosquitocidal Bacillus thuringiensis subsp. israelensis cryIVB gene when used to transform the cyanobacterium Synechococcus sp. strain PCC 7942 has been examined. Maximal transcript and protein abundances were achieved by the addition of the lacZ promoter up...

journal_title：Applied and environmental microbiology

authors： Soltes-Rak E,Kushner DJ,Williams DD,Coleman JR

更新日期：1993-08-01 00:00:00

abstract：:Thiolase (acetyl coenzyme A acetyltransferase; EC 2.3.1.9) from Clostridium acetobutylicum is a key enzyme in the production of acids and solvents in this organism. The purification and properties of the enzyme have already been described (D. P. Wiesenborn, F. B. Rudolph, and E.T. Papoutsakis, Appl. Environ. Microbiol...

journal_title：Applied and environmental microbiology

authors： Petersen DJ,Bennett GN

更新日期：1991-09-01 00:00:00

abstract：:l-Phenylalanine ammonia-lyase (PAL; EC 4.3.1.5) from Rhodotorula rubra has been used in the commercial manufacture of l-phenylalanine from trans-cinnamic acid. In this study, R. graminis PAL was investigated. Mutant strain GX6000 was isolated after ethyl methanesulfonate mutagenesis of wild-type R. graminis GX5007 by ...

journal_title：Applied and environmental microbiology

authors： Orndorff SA,Costantino N,Stewart D,Durham DR

更新日期：1988-04-01 00:00:00

abstract：:The genus Shewanella is well known for its genetic diversity, its outstanding respiratory capacity, and its high potential for bioremediation. Here, a novel strain isolated from sediments of the Indian Ocean was characterized. A 16S rRNA analysis indicated that it belongs to the species Shewanella decolorationis It wa...

journal_title：Applied and environmental microbiology

authors： Lemaire ON,Honoré FA,Tempel S,Fortier EM,Leimkühler S,Méjean V,Iobbi-Nivol C

更新日期：2019-08-29 00:00:00

abstract：:In 2004, more than 1,230 cases of gastroenteritis due to pandemic O3:K6 strains of Vibrio parahaemolyticus were reported in southern Sinaloa, a state in Northwestern Mexico. Recurrent sporadic cases arose from 2004 to 2010, spreading from the south to the north. In the present study, Vibrio parahaemolyticus was detect...

journal_title：Applied and environmental microbiology

authors： Velazquez-Roman J,León-Sicairos N,Flores-Villaseñor H,Villafaña-Rauda S,Canizalez-Roman A

更新日期：2012-03-01 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

abstract：:Two new polyaromatic hydrocarbon-degrading marine bacteria have been isolated from burrow wall sediments of benthic macrofauna by using enrichments on phenanthrene. Strain LC8 (from a polychaete) and strain M4-6 (from a mollusc) are aerobic and gram negative and require sodium chloride (>1%) for growth. Both strains c...

journal_title：Applied and environmental microbiology

authors： Chung WK,King GM

更新日期：2001-12-01 00:00:00

abstract：:Ninety-nine Campylobacter coli isolates were examined by bacterial restriction endonuclease DNA analysis (BRENDA) with HindIII. Isolates from poultry from the same environment had identical patterns, patterns of isolates carried by suckling piglets were generally the same as those of isolates recovered from their dams...

journal_title：Applied and environmental microbiology

authors： Kakoyiannis CK,Winter PJ,Marshall RB

更新日期：1984-09-01 00:00:00

abstract：:Flies may act as potential vectors for the spread of resistant bacteria to different environments. This study was intended to evaluate the presence of Escherichia coli strains resistant to cephalosporins in flies captured in the areas surrounding five broiler farms. Phenotypic and molecular characterization of the res...

journal_title：Applied and environmental microbiology

authors： Solà-Ginés M,González-López JJ,Cameron-Veas K,Piedra-Carrasco N,Cerdà-Cuéllar M,Migura-Garcia L

更新日期：2015-06-01 00:00:00

abstract：UNLABELLED:Lactobacillus rhamnosus GG is a lactic acid bacterium widely marketed by the food industry. Its genomic analysis led to the identification of a gene cluster encoding mucus-binding SpaCBA pili, which is located in a genomic island enriched in insertion sequence (IS) elements. In the present study, we analyzed...

journal_title：Applied and environmental microbiology

authors： Douillard FP,Ribbera A,Xiao K,Ritari J,Rasinkangas P,Paulin L,Palva A,Hao Y,de Vos WM

更新日期：2016-06-13 00:00:00

abstract：:Three strains of Streptococcus bovis, a homolactic bacterium capable of utilizing starch, were evaluated for growth kinetics and ability to decrease the pH of alfalfa silage. A selected strain was evaluated for its competitiveness as an inoculant with Enterococcus faecium, an organism used in inoculants, and for its a...

journal_title：Applied and environmental microbiology

authors： Jones BA,Muck RE,Ricke SC

更新日期：1991-10-01 00:00:00

abstract：:The use of the phospholipid fatty acid (PLFA) composition of microorganisms to detect previous self-heating events was studied in naturally self-heated peat and in peat incubated under temperature-controlled conditions. An increased content of total PLFAs was found in self-heated peat compared to that in unheated peat...

journal_title：Applied and environmental microbiology

authors： Ranneklev SB,Bååth E

更新日期：2003-06-01 00:00:00

abstract：:Cyanase catalyzes the decomposition of cyanate into CO(2) and ammonium, with carbamate as an unstable intermediate. The cyanase of Pseudomonas pseudoalcaligenes CECT5344 was negatively regulated by ammonium and positively regulated by cyanate, cyanide, and some cyanometallic complexes. Cyanase activity was not detecte...

journal_title：Applied and environmental microbiology

authors： Luque-Almagro VM,Huertas MJ,Sáez LP,Luque-Romero MM,Moreno-Vivián C,Castillo F,Roldán MD,Blasco R

更新日期：2008-10-01 00:00:00

abstract：:The kinetics of ethanol inhibition on cell growth and ethanol production by Kluyveromyces marxianus UCD (FST) 55-82 were studied during batch growth. The liquid medium contained 10% (wt/vol) inulin-type sugars derived from an extract of Jerusalem artichoke (Helianthus tuberosus) tubers, supplemented with small amounts...

journal_title：Applied and environmental microbiology

authors： Bajpai P,Margaritis A

更新日期：1982-12-01 00:00:00

abstract：:We examined the influence of elevated CO2 concentration on denitrifier enzyme activity in wheat rhizoplanes by using controlled environments and solution culture techniques. Potential denitrification activity was from 3 to 24 times higher on roots that were grown under an elevated CO2 concentration of 1,000 micromoles...

journal_title：Applied and environmental microbiology

authors： Smart DR,Ritchie K,Stark JM,Bugbee B

更新日期：1997-11-01 00:00:00

abstract：:Micro-Raman spectroscopy is a fast and sensitive tool for the detection, classification, and identification of biological organisms. The vibrational spectrum inherently serves as a fingerprint of the biochemical composition of each bacterium and thus makes identification at the species level, or even the subspecies le...

journal_title：Applied and environmental microbiology

authors： Stöckel S,Schumacher W,Meisel S,Elschner M,Rösch P,Popp J

更新日期：2010-05-01 00:00:00

abstract：:Fusarium isolates from specific diseased sorghum plants and rain-soaked wheat and wheat flour associated with human mycotoxicosis in India have been screened for their toxigenic potential. Of the 322 isolates screened, 11 isolates were found to produce deoxynivalenol in concentrations ranging from 0.01 to 186 microgra...

journal_title：Applied and environmental microbiology

authors： Ramakrishna Y,Bhat RV,Ravindranath V

更新日期：1989-10-01 00:00:00

abstract：:Growth of the ruminal bacteria Fibrobacter succinogenes S85, Ruminococcus flavefaciens FD-1, and R. albus 7 followed Monod kinetics with respect to concentrations of individual pure cellodextrins (cellobiose, cellotriose, cellotetraose, cellopentaose, and cellohexaose). Under the conditions tested, R. flavefaciens FD-...

journal_title：Applied and environmental microbiology

authors： Shi Y,Weimer PJ

更新日期：1996-03-01 00:00:00

abstract：:A membrane filtration method incorporating a combination of anaerobic and aerobic incubation has been developed for the enumeration of Aeromonas spp. in drinking water. The use of anaerobic incubation improved the detection of Aeromonas spp. by reducing the growth of nonaeromonads. The confirmation rate of presumptive...

journal_title：Applied and environmental microbiology

authors： Cunliffe DA,Adcock P

更新日期：1989-09-01 00:00:00

abstract：:The effects of Cd2+, Cu2+, Mg2+, and Zn2+ on the decomposition of citric acid by a Klebsiella sp. were studied by monitoring the degradation of [14C]citrate. The carbon concentration used was 10 micrograms of C liter-1, and the media were designed to provide at least 95% of the citrate complexed to the metal studied. ...

journal_title：Applied and environmental microbiology

authors： Brynhildsen L,Rosswall T

更新日期：1989-06-01 00:00:00

abstract：:The thermophilic homoacetogenic bacterium Moorella sp. strain HUC22-1 ferments glyoxylate to acetate roughly according to the reaction 2 glyoxylate --> acetate + 2 CO(2). A batch culture with glyoxylate and yeast extract yielded 11.7 g per mol of cells per substrate, which was much higher than that obtained with H(2) ...

journal_title：Applied and environmental microbiology

authors： Sakai S,Inokuma K,Nakashimada Y,Nishio N

更新日期：2008-03-01 00:00:00

abstract：:A predictive and feedback proportional control algorithm, developed for fed-batch fermentations and described in a companion paper (G. L. Kleman, J. J. Chalmers, G. W. Luli, and W. R. Strohl, Appl. Environ. Microbiol. 57:910-917, 1991), was used in this work to control a continuous culture on the basis of the soluble-...

journal_title：Applied and environmental microbiology

authors： Kleman GL,Chalmers JJ,Luli GW,Strohl WR

更新日期：1991-04-01 00:00:00

abstract：:Vortex flow filtration (VFF) was used to concentrate viruses and dissolved DNA from freshwater and seawater samples taken in Florida, the Gulf of Mexico, and the Bahamas Bank. Recoveries of T2 phage and calf thymus DNA added to artificial seawater and concentrated by VFF were 72.8 and 80%, respectively. Virus concentr...

journal_title：Applied and environmental microbiology

authors： Paul JH,Jiang SC,Rose JB

更新日期：1991-08-01 00:00:00

abstract：:The promoter region of the glyceraldehyde-3-phosphate dehydrogenase gene (gpd) was used to drive expression of mnp1, the gene encoding Mn peroxidase isozyme 1, in primary metabolic cultures of Phanerochaete chrysosporium. A 1,100-bp fragment of the P. chrysosporium gpd promoter region was fused upstream of the mnp1 ge...

journal_title：Applied and environmental microbiology

authors： Mayfield MB,Kishi K,Alic M,Gold MH

更新日期：1994-12-01 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