Isolation of radiation-resistant bacteria without exposure to irradiation.

abstract：:The genome of Dehalococcoides ethenogenes strain 195, an anaerobic dehalorespiring bacterium, contains 18 copies of putative reductive dehalogenase genes, including the well-characterized tceA gene, whose gene product functions as the key enzyme in the environmentally important dehalorespiration process. The genome of...

journal_title：Applied and environmental microbiology

authors： Regeard C,Maillard J,Dufraigne C,Deschavanne P,Holliger C

更新日期：2005-06-01 00:00:00

abstract：:Transfer of plasmid-borne antibiotic resistance genes in Escherichia coli wild-type strains is possible by transformation under naturally occurring conditions in oligotrophic, aquatic environments containing physiologic concentrations of calcium. In contrast, transformation is suppressed in nitrogen-rich body fluids l...

journal_title：Applied and environmental microbiology

authors： Woegerbauer M,Jenni B,Thalhammer F,Graninger W,Burgmann H

更新日期：2002-01-01 00:00:00

abstract：:The occurrence, structure, and mobility of Tn1546-like elements were studied in environmental vancomycin-resistant enterococci (VRE) isolated from municipal sewage, activated sludge, pharmaceutical waste derived from antibiotic production, seawater, blue mussels, and soil. Of 200 presumptive VRE isolates tested, 71 (3...

journal_title：Applied and environmental microbiology

authors： Guardabassi L,Dalsgaard A

更新日期：2004-02-01 00:00:00

abstract：:Protoplasts of Claviceps purpurea were prepared by treatment of mycelium with a lytic mixture of snail gut enzyme and cellulase from Trichoderma viride. Such protoplasts could be efficiently lysed by Triton X-100 treatment at high osmotic pressure without Ca or Mg, allowing the release of intact vacuoles in high yield...

journal_title：Applied and environmental microbiology

authors： Keller U,Madry N,Kleinkauf H,Glund K

更新日期：1984-04-01 00:00:00

abstract：:The cyanophycin (CGP) synthetase gene (cphANE1) of the transposon-induced argL mutant NE1 of the cyanobacterium Nostoc ellipsosporum, which exhibits a CGP-leaky phenotype during diazotrophical growth, was cloned and expressed in Escherichia coli strain TOP10. Its amino acid sequence exhibited high similarities to CphA...

journal_title：Applied and environmental microbiology

authors： Hai T,Frey KM,Steinbüchel A

更新日期：2006-12-01 00:00:00

abstract：:Streptococcus pyogenes is a major cause of necrotizing fasciitis, a life-threatening subcutaneous soft-tissue infection. At the host infection site, the local environment and interactions between the host and bacteria have effects on bacterial gene expression profiles, while the gene expression pattern of S. pyogenes ...

journal_title：Applied and environmental microbiology

authors： Hirose Y,Yamaguchi M,Okuzaki D,Motooka D,Hamamoto H,Hanada T,Sumitomo T,Nakata M,Kawabata S

更新日期：2019-10-16 00:00:00

abstract：:The strain Burkholderia cepacia G4 aerobically mineralized trichloroethene (TCE) to CO(2) over a time period of approximately 20 h. Three biodegradation experiments were conducted with different bacterial optical densities at 540 nm (OD(540)s) in order to test whether isotope fractionation was consistent. The resultin...

journal_title：Applied and environmental microbiology

authors： Barth JA,Slater G,Schüth C,Bill M,Downey A,Larkin M,Kalin RM

更新日期：2002-04-01 00:00:00

abstract：:[This corrects the article on p. 514 in vol. 55.]. ...

journal_title：Applied and environmental microbiology

authors：

更新日期：1989-06-01 00:00:00

abstract：:Fourteen pesticides (fungicides, herbicides, and insecticides) were tested to determine whether they had deleterious effects on the bioinsecticide Bacillus popilliae, the causal agent of milky disease. All of these pesticides reduced levels of spore viability, spore germination, and/or vegetative cell growth when they...

journal_title：Applied and environmental microbiology

authors： Dingman DW

更新日期：1994-07-01 00:00:00

abstract：:Representatives of only four well-characterized bacterial phyla were isolated from a pasture soil by using liquid serial dilution culture. In contrast, members of Acidobacteria, Verrucomicrobia, and Gemmatimonadetes and of other poorly represented bacterial lineages were isolated in earlier experiments with solidified...

journal_title：Applied and environmental microbiology

authors： Schoenborn L,Yates PS,Grinton BE,Hugenholtz P,Janssen PH

更新日期：2004-07-01 00:00:00

abstract：:Ensifer adhaerens is a soil bacterium that attaches to other bacteria and may cause lysis of these other bacteria. Based on the sequence of its small-subunit rRNA gene, E. adhaerens is related to Sinorhizobium spp. E. adhaerens ATCC 33499 did not nodulate Phaseolus vulgaris (bean) or Leucaena leucocephala, but with sy...

journal_title：Applied and environmental microbiology

authors： Rogel MA,Hernández-Lucas I,Kuykendall LD,Balkwill DL,Martinez-Romero E

更新日期：2001-07-01 00:00:00

abstract：:A rich history of investigation documents various Drosophila-yeast mutualisms, suggesting that Drosophila suzukii similarly has an association with a specific yeast species or community. To discover candidate yeast species, yeasts were isolated from larval frass, adult midguts, and fruit hosts of D. suzukii. Terminal ...

journal_title：Applied and environmental microbiology

authors： Hamby KA,Hernández A,Boundy-Mills K,Zalom FG

更新日期：2012-07-01 00:00:00

abstract：:Both the periplasmic and the extracellular cellodextrinases from Bacteroides succinogenes S85 grown on Avicel microcrystalline cellulose were purified to homogeneity by column chromatography and characterized. Over 70% of the total cellobiosidase activity displayed by cells was accounted for by these enzymes. The peri...

journal_title：Applied and environmental microbiology

authors： Huang L,Forsberg CW

更新日期：1988-06-01 00:00:00

abstract：:The induction of the inducible lysyl-tRNA synthetase, LysU, and the inducible lysine and arginine decarboxylases of Escherichia coli K-12 grown in AC broth to a pH of 5.5 or less is temperature dependent, being distinctly lower at 24 than at 37 degrees C. This induction does not appear to be under HtpR control. ...

journal_title：Applied and environmental microbiology

authors： Hassani M,Pincus DH,Bennett GN,Hirshfield IN

更新日期：1992-08-01 00:00:00

abstract：:A survey of Bacillus thuringiensis recovered from the environments of olive groves in Greece was carried out. Of 80 soil samples, 24 were found to contain B. thuringiensis with parasporal crystal inclusions; these were tested for toxicity against the olive fruit fly (Dacus oleae). Mortality levels of larvae caused by ...

journal_title：Applied and environmental microbiology

authors： Karamanlidou G,Lambropoulos AF,Koliais SI,Manousis T,Ellar D,Kastritsis C

更新日期：1991-08-01 00:00:00

abstract：:In this study, we compared different methods-including transmission electron microscopy-and various nucleic acid labeling methods in which we used the fluorochromes 4',6'-diamidino-2-phenylindole (DAPI), 4-[3-methyl-2,3-dihydro-(benzo-1, 3-oxazole)-2-methylmethyledene]-1-(3'-trimethyl ammoniumpropyl)-quinilinium diioi...

journal_title：Applied and environmental microbiology

authors： Bettarel Y,Sime-Ngando T,Amblard C,Laveran H

更新日期：2000-06-01 00:00:00

abstract：:With a medium containing citrate as the carbon and energy source, 10 clostridial strains were isolated from various mud samples. Characterization of these strains revealed that they all belonged to the same species, Clostridium sphenoides. Strains of this organism obtained from culture collections were also able to gr...

journal_title：Applied and environmental microbiology

authors： Walther R,Hippe H,Gottschalk G

更新日期：1977-04-01 00:00:00

abstract：:Water resources contaminated with wastewater are an important source for the dissemination of enteric viruses with an impact on the health of the population. The aim of the study was to assess the viral contamination of freshwater from a dam in Argentina by using infectious enterovirus detection, viral RNA amplificati...

journal_title：Applied and environmental microbiology

authors： Masachessi G,Pisano MB,Prez VE,Martínez LC,Michelena JF,Martínez-Wassaf M,Giordano MO,Isa MB,Pavan JV,Welter A,Nates SV,Ré V

更新日期：2018-02-14 00:00:00

abstract：:Adherence to hydroxyapatite (HA) was examined as a method to concentrate bacteria from foods. Using HA at a level of 10% and suspensions of an Escherichia coli strain containing 10(9), 10(6), and 10(3) cells per ml, kinetic studies revealed that maximum adherence was attained within 5 min for all cell concentrations a...

journal_title：Applied and environmental microbiology

authors： Berry ED,Siragusa GR

更新日期：1997-10-01 00:00:00

abstract：:Oysters collected in late winter, when they were free of Vibrio vulnificus, were exposed in the organism in the laboratory. The oysters effectively concentrated the bacteria from seawater, but when the inoculum was removed, the bacteria were rapidly cleared from the oyster tissues. These results suggest that V. vulnif...

journal_title：Applied and environmental microbiology

authors： Kelly MT,Dinuzzo A

更新日期：1985-12-01 00:00:00

abstract：:Aflatoxin B1 in a 5-micrograms/ml water solution was sensitive to ionizing radiation. Inactivation was assayed by the Ames microsome mutagenicity test and confirmed by thin-layer chromatography. Destruction of aflatoxin B1 had already begun at 2.5 kilograms (kGy; 1 kGy = 0.1 Mrad), but a dose exceeding 10 kGy was nece...

journal_title：Applied and environmental microbiology

authors： Van Dyck PJ,Tobback P,Feyes M,van de Voorde H

更新日期：1982-06-01 00:00:00

abstract：:When microbes lack the nutrients necessary for growth, they enter stationary phase. In cases when energy sources are still present in the environment, they must decide whether to continue to use their metabolic program to harvest the available energy. Here we characterized the metabolic response to a variety of types ...

journal_title：Applied and environmental microbiology

authors： Chubukov V,Sauer U

更新日期：2014-05-01 00:00:00

abstract：:The vertical and seasonal distribution and diversity of archaeal sequences was investigated in a hypersaline, stratified, monomictic lake, Solar Lake, Sinai, Egypt, during the limnological development of stratification and mixing. Archaeal sequences were studied via phylogenetic analysis of 16S rDNA sequences as well ...

journal_title：Applied and environmental microbiology

authors： Cytryn E,Minz D,Oremland RS,Cohen Y

更新日期：2000-08-01 00:00:00

abstract：:Wood extractives, commonly referred to as pitch, cause major problems in the manufacturing of pulp and paper. Treatment of nonsterile southern yellow pine chips for 14 days with Pseudomonas fluorescens, Pseudomonas sp., Xanthomonas campestris, and Serratia marcescens reduced wood extractives by as much as 40%. Control...

journal_title：Applied and environmental microbiology

authors： Burnes TA,Blanchette RA,Farrell RL

更新日期：2000-12-01 00:00:00

abstract：:There is growing interest in the application of human-associated fecal source identification quantitative real-time PCR (qPCR) technologies for water quality management. The transition from a research tool to a standardized protocol requires a high degree of confidence in data quality across laboratories. Data quality...

journal_title：Applied and environmental microbiology

authors： Shanks OC,Kelty CA,Oshiro R,Haugland RA,Madi T,Brooks L,Field KG,Sivaganesan M

更新日期：2016-04-18 00:00:00

abstract：:Strains of Ascochyta rabiei which are pathogenic to chickpea (Cicer arietinum L.) readily catabolized the main chickpea isoflavone biochanin A (5,7-dihydroxy-4'-methoxyisoflavone). 3'-Hydroxylation and O-demethylation reactions led to the isoflavones pratensein, genistein, and orobol, which were rapidly further degrad...

journal_title：Applied and environmental microbiology

authors： Kraft B,Barz W

更新日期：1985-07-01 00:00:00

abstract：:Rabbits have been increasingly linked to the persistence of paratuberculosis (Johne's disease) in domestic ruminants in the United Kingdom. The aims of this study were to determine the routes of intraspecies transmission of Mycobacterium avium subspecies paratuberculosis (MAP) in rabbits and to estimate the probabilit...

journal_title：Applied and environmental microbiology

authors： Judge J,Kyriazakis I,Greig A,Davidson RS,Hutchings MR

更新日期：2006-01-01 00:00:00

abstract：:Acidophilic archaea of the archaeal Richmond Mine acidophilic nanoorganisms (ARMAN) group from the uncultured candidate phylum "Candidatus Micrarchaeota" have small genomes and cell sizes and are known to be metabolically dependent and physically associated with their Thermoplasmatales hosts. However, phylogenetically...

journal_title：Applied and environmental microbiology

authors： Kadnikov VV,Savvichev AS,Mardanov AV,Beletsky AV,Chupakov AV,Kokryatskaya NM,Pimenov NV,Ravin NV

更新日期：2020-11-10 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：:The effects of environmental stress exposure on Listeria monocytogenes growth and virulence-associated characteristics were investigated. Specifically, we measured the effects of temperature (7 or 37 degrees C), pH (5.5 or 7.4), the presence of salt and organic acids (375 mM NaCl, 8.45 mM sodium diacetate [SD], 275 mM...

journal_title：Applied and environmental microbiology

authors： Garner MR,James KE,Callahan MC,Wiedmann M,Boor KJ

更新日期：2006-08-01 00:00:00