Different IS629 transposition frequencies exhibited by Escherichia coli O157:H7 strains in the stepwise evolutionary model.

abstract：:Very little is known about the microbial composition of animal bedding wastes, including poultry litter, and what is known has been deduced from standard culture methods, by which some fastidious organisms that exist in the environment may not be detected. We evaluated the bacterial composition of poultry litter by us...

journal_title：Applied and environmental microbiology

authors： Lu J,Sanchez S,Hofacre C,Maurer JJ,Harmon BG,Lee MD

更新日期：2003-02-01 00:00:00

abstract：:Solubilization of coal was demonstrated with filtrates (0.45-mum-pore-size filters) obtained from the broth in which Polyporus versicolor had grown. The rate and extent of solubilization were dependent on the age of the fungal cultures, the particle size of the coal, the pH of the filtrates, and the presence of protei...

journal_title：Applied and environmental microbiology

authors： Cohen MS,Bowers WC,Aronson H,Gray ET

更新日期：1987-12-01 00:00:00

abstract：:A radioisotope method was devised to study bacterial respiratory reduction of arsenate in sediments. The following two arsenic-rich soda lakes in California were chosen for comparison on the basis of their different salinities: Mono Lake (approximately 90 g/liter) and Searles Lake (approximately 340 g/liter). Profiles...

journal_title：Applied and environmental microbiology

authors： Kulp TR,Hoeft SE,Miller LG,Saltikov C,Murphy JN,Han S,Lanoil B,Oremland RS

更新日期：2006-10-01 00:00:00

abstract：:Escherichia coli KO11 was previously constructed to produce ethanol from acid hydrolysates of hemicellulose (pentoses and hexoses) by the chromosomal integration of Zymomonas mobilis genes encoding pyruvate decarboxylase (pdc) and alcohol dehydrogenase (adhB). Klebsiella oxytoca P2 was constructed in an analogous fash...

journal_title：Applied and environmental microbiology

authors： Moniruzzaman M,Lai X,York SW,Ingram LO

更新日期：1997-12-01 00:00:00

abstract：:We studied the growth of six culturable bacterial lineages from coastal North Sea picoplankton in environmental samples under different incubation conditions. The grazing pressure of heterotrophic nanoflagellates (HNF) was reduced either by double prefiltration through 0.8- micro m-pore-size filters or by 10-fold dilu...

journal_title：Applied and environmental microbiology

authors： Beardsley C,Pernthaler J,Wosniok W,Amann R

更新日期：2003-05-01 00:00:00

abstract：:The codon-optimized genes crtB and crtI of Pantoea ananatis were expressed in Yarrowia lipolytica under the control of the TEF1 promoter of Y. lipolytica. Additionally, the rate-limiting genes for isoprenoid biosynthesis in Y. lipolytica, GGS1 and HMG1, were overexpressed to increase the production of lycopene. All of...

journal_title：Applied and environmental microbiology

authors： Matthäus F,Ketelhot M,Gatter M,Barth G

更新日期：2014-03-01 00:00:00

abstract：:An extracellular serine proteinase from Brevibacterium linens ATCC 9174 was purified to homogeneity. pH and temperature optima were 8.5 and 50(deg)C, respectively. The results for the molecular mass of the proteinase were 56 kDa by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and 126 kDa by gel filtration...

journal_title：Applied and environmental microbiology

authors： Rattray FP,Bockelmann W,Fox PF

更新日期：1995-09-01 00:00:00

abstract：:The pediocin-like bacteriocins, produced by lactic acid bacteria, are bactericidal polypeptides with very similar primary structures. Peptide synthesis followed by reverse-phase and ion-exchange chromatographies yielded biologically active pediocin-like bacteriocins in amounts and with a purity sufficient for characte...

journal_title：Applied and environmental microbiology

authors： Fimland G,Blingsmo OR,Sletten K,Jung G,Nes IF,Nissen-Meyer J

更新日期：1996-09-01 00:00:00

abstract：:Sequence analysis of the five genes (gutRMCBA) downstream from the previously described sorbitol-6-phosphate dehydrogenase-encoding Lactobacillus casei gutF gene revealed that they constitute a sorbitol (glucitol) utilization operon. The gutRM genes encode putative regulators, while the gutCBA genes encode the EIIC, E...

journal_title：Applied and environmental microbiology

authors： Alcántara C,Sarmiento-Rubiano LA,Monedero V,Deutscher J,Pérez-Martínez G,Yebra MJ

更新日期：2008-09-01 00:00:00

abstract：:Some Shiga toxin-producing Escherichia coli (STEC) strains produce extracellular cellulose, a long polymer of glucose with β-1-4 glycosidic bonds. This study evaluated the efficacies of selected enzymatic and chemical treatments in inactivating STEC and degrading/removing the cellulose on STEC surfaces. Six cellulose-...

journal_title：Applied and environmental microbiology

authors： Park YJ,Chen J

更新日期：2011-12-01 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：:Pseudomonas aeruginosa exhibits flagellum-mediated swimming in liquid and swarming on hydrated surfaces under diverse nutrient conditions. Prior studies have implicated a phosphodiesterase, DipA, in regulating these flagellum-mediated motilities, but collectively, the necessity for DipA was unclear. In this study, we ...

journal_title：Applied and environmental microbiology

authors： Mattingly AE,Kamatkar NG,Morales-Soto N,Borlee BR,Shrout JD

更新日期：2018-03-19 00:00:00

abstract：:Opaque and translucent morphotypes of a TnphoA-containing strain of Vibrio vulnificus were fed to oysters, which were subsequently stored at temperatures ranging from 0.5 to 22 degrees C for 10 days. Samples of oysters were homogenized and plated at intervals to determine the cell density of V. vulnificus and total ae...

journal_title：Applied and environmental microbiology

authors： Murphy SK,Oliver JD

更新日期：1992-09-01 00:00:00

abstract：:Methanomicrobium mobile requires a heat-stable factor present in ruminal fluid and in boiled cell extract from Methanobacterium thermoautotrophicum for growth. By comparing the growth of M. mobile with boiled cell extract with that observed with various methanogenic cofactors, we found that 7-mercaptoheptanoylthreonin...

journal_title：Applied and environmental microbiology

authors： Kuhner CH,Smith SS,Noll KM,Tanner RS,Wolfe RS

更新日期：1991-10-01 00:00:00

abstract：:The acI lineage of freshwater Actinobacteria is a cosmopolitan and often numerically dominant member of lake bacterial communities. We conducted a survey of acI 16S rRNA genes and 16S-23S rRNA internal transcribed spacer regions from 18 Wisconsin lakes and used standard nonphylogenetic and phylogenetic statistical app...

journal_title：Applied and environmental microbiology

authors： Newton RJ,Jones SE,Helmus MR,McMahon KD

更新日期：2007-11-01 00:00:00

abstract：:The gene encoding serine alkaline protease (SapSh) of the psychrotrophic bacterium Shewanella strain Ac10 was cloned in Escherichia coli. The amino acid sequence deduced from the 2,442-bp nucleotide sequence revealed that the protein was 814 amino acids long and had an estimated molecular weight of 85,113. SapSh exhib...

journal_title：Applied and environmental microbiology

authors： Kulakova L,Galkin A,Kurihara T,Yoshimura T,Esaki N

更新日期：1999-02-01 00:00:00

abstract：:Gamma irradiation is a nonthermal processing technology that has been used for the preservation of a variety of food products. This technology has been shown to effectively inactivate bacterial pathogens. Currently, the FDA has approved doses of up to 4.0 kGy to control food-borne pathogens in fresh iceberg lettuce an...

journal_title：Applied and environmental microbiology

authors： Feng K,Divers E,Ma Y,Li J

更新日期：2011-05-01 00:00:00

abstract：:The products synthesized from a hybrid polyketide synthase/nonribosomal peptide synthetase gene cluster in the genome of Pseudomonas fluorescens Pf-5 were identified using a genomics-guided strategy involving insertional mutagenesis and subsequent metabolite profiling. Five analogs of rhizoxin, a 16-member macrolide w...

journal_title：Applied and environmental microbiology

authors： Loper JE,Henkels MD,Shaffer BT,Valeriote FA,Gross H

更新日期：2008-05-01 00:00:00

abstract：:Methane production and archaeal community composition were studied in samples from an acidic peat bog incubated at different temperatures and pH values. H(2)-dependent methanogenesis increased strongly at the lowest pH, 3.8, and Methanobacteriaceae became important except for Methanomicrobiaceae and Methanosarcinaceae...

journal_title：Applied and environmental microbiology

authors： Kotsyurbenko OR,Friedrich MW,Simankova MV,Nozhevnikova AN,Golyshin PN,Timmis KN,Conrad R

更新日期：2007-04-01 00:00:00

abstract：:Francisella tularensis has been associated with naturally occurring waterborne outbreaks and is also of interest as a potential biological weapon. Recovery of this pathogen from water using cultural methods is challenging due to the organism's fastidious growth requirements and interference by indigenous bacteria. A 1...

journal_title：Applied and environmental microbiology

authors： Humrighouse BW,Adcock NJ,Rice EW

更新日期：2011-09-01 00:00:00

abstract：:The impact of host nutrition on symbiont regulation in the pea aphid Acyrthosiphon pisum was investigated. The population density of the obligate symbiont Buchnera aphidicola positively correlated with dietary nitrogen levels. In contrast, the population density of the facultative symbiont Serratia symbiotica increase...

journal_title：Applied and environmental microbiology

authors： Wilkinson TL,Koga R,Fukatsu T

更新日期：2007-02-01 00:00:00

abstract：:Enteric bacteria deposited into the environment by animal hosts are subject to diverse selective pressures. These pressures may act on phenotypic differences in bacterial populations and select adaptive mutations for survival in stress. As a model to study phenotypic diversity in environmental bacteria, we examined mu...

journal_title：Applied and environmental microbiology

authors： Chiang SM,Dong T,Edge TA,Schellhorn HE

更新日期：2011-11-01 00:00:00

abstract：:Two novel gull-specific quantitative PCR (qPCR) assays were developed using 16S rRNA gene sequences from gull fecal clone libraries: a SYBR green assay targeting Streptococcus spp. (gull3) and a hydrolysis TaqMan assay targeting Catellicoccus marimammalium (gull4). The objectives of this study were to compare the host...

journal_title：Applied and environmental microbiology

authors： Ryu H,Griffith JF,Khan IU,Hill S,Edge TA,Toledo-Hernandez C,Gonzalez-Nieves J,Santo Domingo J

更新日期：2012-03-01 00:00:00

abstract：:Although the high level of competence for natural transformation of Acinetobacter sp. strain BD413 has been the subject of numerous studies, only two competence genes, comC and comP, have been identified to date. By chromosomal walking analysis we found two overlapping open reading frames, designated comE and comF, st...

journal_title：Applied and environmental microbiology

authors： Busch S,Rosenplänter C,Averhoff B

更新日期：1999-10-01 00:00:00

abstract：:When sucrose is provided as a substrate for glucosyltransferase (GTF), Spp+ cells of the oral bacteria Streptococcus gordonii grow embedded in an insoluble glucan mass associated with surfaces. Spp- phase variants with lower GTF activity, which either arise from or are grown with Spp+ cells, segregate preferentially a...

journal_title：Applied and environmental microbiology

authors： Vickerman MM,Clewell DB,Jones GW

更新日期：1991-12-01 00:00:00

abstract：:An accurate most-probable-number enumeration method was developed for counting the number of Beggiatoa trichomes from various freshwater sediments. The medium consisted of extracted hay, diluted soil extract, 0.05% acetate, and 15 to 35 U of catalase per ml. The same enrichment medium, but without the acetate, was the...

journal_title：Applied and environmental microbiology

authors： Strohl WR,Larkin JM

更新日期：1978-11-01 00:00:00

abstract：:A latent virus-like agent, which we designated zooxanthella filamentous virus 1 (ZFV1), was isolated from Symbiodinium sp. strain CCMP 2465 and characterized. Transmission electron microscopy and analytical flow cytometry revealed the presence of a new group of distinctive filamentous virus-like particles after exposu...

journal_title：Applied and environmental microbiology

authors： Lohr J,Munn CB,Wilson WH

更新日期：2007-05-01 00:00:00

abstract：:Marker rescue is an important molecular technique that enables sequential gene deletions. The Cre-loxP recombination system has been used for marker gene rescue in various organisms, including aspergilli. However, this system requires many time-consuming steps, including construction of a Cre expression plasmid, intro...

journal_title：Applied and environmental microbiology

authors： Mizutani O,Masaki K,Gomi K,Iefuji H

更新日期：2012-06-01 00:00:00

abstract：:Respiratory denitrification is not always adequately established when bacteria are characterized. We have tested a simple method that allows one to evaluate whether the two necessary criteria to claim denitrification have been met, namely, that N(inf2) or N(inf2)O is produced from nitrate or nitrite and that this redu...

journal_title：Applied and environmental microbiology

authors： Mahne I,Tiedje JM

更新日期：1995-03-01 00:00:00

abstract：:Factors affecting the production of [14C]patulin from [1-14C]acetate by replacement cultures of Penicillium patulum have been investigated. Incorporation of [1-14C]acetate into patulin reached a maximum with 6- to 8-day-old cultures incubated at 28 degrees C for 8 h in a replacement medium containing 0.1 M glucose, in...

journal_title：Applied and environmental microbiology

authors： Nip WK,Chu FS

更新日期：1977-04-01 00:00:00