Intracellular proliferation of Legionella pneumophila in Hartmannella vermiformis in aquatic biofilms grown on plasticized polyvinyl chloride.

abstract：:Bacillus sp. strain SS, an aerobic, gram-positive sporeformer, was isolated from seeds of Astragalus crotalariae, a selenium-accumulating plant. This bacillus grew in a nutrient broth (containing beef extract and peptone) if the medium was supplemented with high concentrations of selenium. Concentrations of Na(2)SeO(3...

journal_title：Applied and environmental microbiology

authors： Lindblow-Kull C,Shrift A,Gherna RL

更新日期：1982-09-01 00:00:00

abstract：:Interactions of soybean with Bradyrhizobium japonicum 123 (serogroup 123) and 138 (serogroup c1) were used to examine the relationship between early infection rates, competition for nodulation, and patterns of nodule occupancy. Both strains formed more infections in autoclaved soil (sterile soil) than in untreated soi...

journal_title：Applied and environmental microbiology

authors： Zdor RE,Pueppke SG

更新日期：1988-08-01 00:00:00

abstract：:The contamination of waterways with fecal material is a persistent threat to public health. Identification of the sources of fecal contamination is a vital component for abatement strategies and for determination of total maximum daily loads. While phenotypic and genotypic techniques have been used to determine potent...

journal_title：Applied and environmental microbiology

authors： Hamilton MJ,Yan T,Sadowsky MJ

更新日期：2006-06-01 00:00:00

abstract：:Here, we report simultaneous surface profile measurements of several bacterial species involved in microbially influenced corrosion and their solid-surface interfaces by using vertical scanning interferometry. The capacity to nondestructively quantify microscale topographic changes beneath a single bacterium without i...

journal_title：Applied and environmental microbiology

authors： Waters MS,El-Naggar MY,Hsu L,Sturm CA,Luttge A,Udwadia FE,Cvitkovitch DG,Goodman SD,Nealson KH

更新日期：2009-03-01 00:00:00

abstract：:The world's largest outbreak of waterborne toxoplasmosis occurred in a municipality in the western Canadian province of British Columbia. When drinking water emerged as a possible source of infection during the outbreak investigation, a laboratory method was needed to attempt detection of the parasite, Toxoplasma gond...

journal_title：Applied and environmental microbiology

authors： Isaac-Renton J,Bowie WR,King A,Irwin GS,Ong CS,Fung CP,Shokeir MO,Dubey JP

更新日期：1998-06-01 00:00:00

abstract：:The bile salt hydrolase activity in intestinal homogenates reflects composite activities of the gastrointestinal microbial consortia. We have proposed that specific transformations of conjugated bile acids by the intestinal microflora result in the production of metabolites which depress the growth of poultry. The inf...

journal_title：Applied and environmental microbiology

authors： Feighner SD,Dashkevicz MP

更新日期：1988-02-01 00:00:00

abstract：:O island 48 (OI-48) of Escherichia coli consists of three functional gene clusters that encode urease, tellurite resistance (Te(r)), and putative adhesins Iha and AIDA-1. The functions of these clusters in enterohemorrhagic E. coli (EHEC) O157:H7 infection are unknown. Deletion mutants for these three regions were con...

journal_title：Applied and environmental microbiology

authors： Yin X,Wheatcroft R,Chambers JR,Liu B,Zhu J,Gyles CL

更新日期：2009-09-01 00:00:00

abstract：:Fermentation of the pentose sugar xylose to ethanol in lignocellulosic biomass would make bioethanol production economically more competitive. Saccharomyces cerevisiae, an efficient ethanol producer, can utilize xylose only when expressing the heterologous genes XYL1 (xylose reductase) and XYL2 (xylitol dehydrogenase)...

journal_title：Applied and environmental microbiology

authors： Johansson B,Christensson C,Hobley T,Hahn-Hägerdal B

更新日期：2001-09-01 00:00:00

abstract：:Lactobacillus plantarum is a versatile bacterium that occupies a wide range of environmental niches. In this study, we found that a bifunctional aldehyde-alcohol dehydrogenase-encoding gene, adhE, was responsible for L. plantarum being able to utilize mannitol and sorbitol through cross-regulation by two DNA-binding r...

journal_title：Applied and environmental microbiology

authors： Yang X,Teng K,Su R,Li L,Zhang T,Fan K,Zhang J,Zhong J

更新日期：2019-02-06 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

abstract：:Thermophilic sulfate-reducing bacteria were enriched from samples obtained from a geothermal underground mine in Japan. The enrichment cultures contained bacteria affiliated with the genera Desulfotomaculum, Thermanaeromonas, Thermincola, Thermovenabulum, Moorella, "Natronoanaerobium," and Clostridium. Two novel therm...

journal_title：Applied and environmental microbiology

authors： Kaksonen AH,Plumb JJ,Robertson WJ,Spring S,Schumann P,Franzmann PD,Puhakka JA

更新日期：2006-05-01 00:00:00

abstract：:Selective growth inhibitors of Sphaerotilus natans were detected in the culture broths of several strains of Streptomyces. Anslimins A and B were isolated from the culture broth of Streptomyces oganonensis by adsorption on resinous adsorbent followed by elution with 50% aqueous acetone. The A and B components were the...

journal_title：Applied and environmental microbiology

authors： Takiguchi Y,Yoshikawa H,Terao M

更新日期：1980-06-01 00:00:00

abstract：:The oxidation of methane in anoxic marine sediments is thought to be mediated by a consortium of methane-consuming archaea and sulfate-reducing bacteria. In this study, we compared results of rRNA gene (rDNA) surveys and lipid analyses of archaea and bacteria associated with methane seep sediments from several differe...

journal_title：Applied and environmental microbiology

authors： Orphan VJ,Hinrichs KU,Ussler W 3rd,Paull CK,Taylor LT,Sylva SP,Hayes JM,Delong EF

更新日期：2001-04-01 00:00:00

abstract：:A unique lipolytic bacterium was isolated in a selective growth system consisting of 99% triglycerides and a 1% water phase. The bacterium, termed Pseudomonas aeruginosa YS-7, was able to grow in an environment of low water content and could also survive amphipathic, osmotic, and matrical water stress in a triglycerid...

journal_title：Applied and environmental microbiology

authors： Shabtai Y

更新日期：1991-06-01 00:00:00

abstract：:The kinetics of oxygen reduction by Desulfovibrio salexigens Mast1 and the role of polyglucose in this activity were examined and compared with those of strains of D. desulfuricans and D. gigas. Oxidation rates were highest at air saturation (up to 40 nmol of O(2) min mg of protein) and declined with decreasing oxygen...

journal_title：Applied and environmental microbiology

authors： van Niel EW,Gottschal JC

更新日期：1998-03-01 00:00:00

abstract：:Mucoromycota representatives are known to harbour two types of endohyphal bacteria (EHB) - Burkholderia related endobacteria (BRE) and Mycoplasma related endobacteria (MRE). While both BRE and MRE occur in fungi representing all subphyla of Mucoromycota, their distribution is not well studied. Therefore, it is difficu...

journal_title：Applied and environmental microbiology

authors： Okrasińska A,Bokus A,Duk K,Gęsiorska A,Sokołowska B,Miłobędzka A,Wrzosek M,Pawłowska J

更新日期：2021-01-22 00:00:00

abstract：:The use of DNA probes for Shiga-like toxin I (SLT-I) and SLT-II for detection of SLT-producing Escherichia coli (SLTEC) in foods and calf fecal samples was evaluated. Enrichment cultures were prepared from food or fecal samples. Colonies formed by plating of enrichment cultures were probed for SLTEC by colony hybridiz...

journal_title：Applied and environmental microbiology

authors： Samadpour M,Liston J,Ongerth JE,Tarr PI

更新日期：1990-05-01 00:00:00

abstract：:The continuous addition of toluene as a solute of treated ballast water from oil tankers into a well-defined estuary facilitated the study of the dynamics of dissolved hydrocarbon metabolism in seawater. Most rates of toluene oxidation were in the range of 1 to 30 pg/liter per h at 0.5 mug of toluene per liter. Near t...

journal_title：Applied and environmental microbiology

authors： Button DK,Robertson BR,Craig KS

更新日期：1981-10-01 00:00:00

abstract：:Malic acid is a potential biomass-derivable "building block" for chemical synthesis. Since wild-type Saccharomyces cerevisiae strains produce only low levels of malate, metabolic engineering is required to achieve efficient malate production with this yeast. A promising pathway for malate production from glucose proce...

journal_title：Applied and environmental microbiology

authors： Zelle RM,de Hulster E,van Winden WA,de Waard P,Dijkema C,Winkler AA,Geertman JM,van Dijken JP,Pronk JT,van Maris AJ

更新日期：2008-05-01 00:00:00

abstract：:Most species of the diazotrophic Proteobacteria Azoarcus spp. occur in association with grass roots, while A. tolulyticus and A. evansii are soil bacteria not associated with a plant host. To facilitate species identification and strain comparison, we developed a protocol for PCR-generated genomic fingerprints, using ...

journal_title：Applied and environmental microbiology

authors： Hurek T,Wagner B,Reinhold-Hurek B

更新日期：1997-11-01 00:00:00

abstract：:Bacteriophage resistance mechanisms which are derived from a bacteriophage genome are termed Per (phage-encoded resistance). When present in trans in Lactococcus lactis NCK203, Per50, the cloned origin of replication from phage phi50, interferes with phi50 replication. The per50 fragment was found to afford negligible...

journal_title：Applied and environmental microbiology

authors： O'sullivan DJ,Hill C,Klaenhammer TR

更新日期：1993-08-01 00:00:00

abstract：:Nervous necrosis virus (NNV) is a member of the Betanodavirus genus that causes fatal diseases in over 40 species of fish worldwide. Mortality among NNV-infected fish larvae is almost 100%. In order to elucidate the mechanisms responsible for the susceptibility of fish larvae to NNV, we exposed zebrafish larvae to NNV...

journal_title：Applied and environmental microbiology

authors： Morick D,Faigenbaum O,Smirnov M,Fellig Y,Inbal A,Kotler M

更新日期：2015-05-15 00:00:00

abstract：:This study provides a set of nutritional and environmental parameters suitable for the growth of morel (Morchella crassipes) sclerotia in the laboratory, using a modification of the jar method of Ower et al. (U.S. patent 4,594,809, June 1986). The optimum nutritional and environmental conditions for morel sclerotium f...

journal_title：Applied and environmental microbiology

authors： Volk TJ,Leonard TJ

更新日期：1989-12-01 00:00:00

abstract：:Lactase (beta-d-galactosidase) was produced by Candida pseudotropicalis grown in deproteinized whey. Maximum enzyme production in 2% whey was obtained by supplementation with 0.15% yeast extract, 0.1% (NH(4))(2)SO(4), and 0.05% KH(2)PO(4) (wt/vol). Highest enzyme values (4.35 U/mg of cells and 68 U/ml) were obtained w...

journal_title：Applied and environmental microbiology

authors： de Bales SA,Castillo FJ

更新日期：1979-06-01 00:00:00

abstract：:The prokaryote community activity and structural characteristics within marine sediment sampled across a continental shelf area located off eastern Antarctica (66 degrees S, 143 degrees E; depth range, 709 to 964 m) were studied. Correlations were found between microbial biomass and aminopeptidase and chitinase rates,...

journal_title：Applied and environmental microbiology

authors： Bowman JP,McCammon SA,Gibson JA,Robertson L,Nichols PD

更新日期：2003-05-01 00:00:00

abstract：:Desulfitobacterium hafniense strain TCE1 is capable of metabolically reducing tetra- and trichloroethenes by organohalide respiration. A previous study revealed that the pce gene cluster responsible for this process is located on an active composite transposon, Tn-Dha1. In the present work, we investigated the effects...

journal_title：Applied and environmental microbiology

authors： Duret A,Holliger C,Maillard J

更新日期：2012-09-01 00:00:00

abstract：:The low-copy-number 8.7-kb plasmid pGIF3 of Streptomyces incarnatus was studied after cloning in the Escherichia coli vector pBR322; a restriction map was constructed. Southern blot analysis showed that pGIF3 in S. incarnatus occurs predominantly as integrated in a larger replicon. The plasmid carries a gene for thios...

journal_title：Applied and environmental microbiology

authors： Malina H,Robert-Gero M

更新日期：1992-03-01 00:00:00

abstract：:The degradation of epichlorohydrin (3-chloropropylene oxide or 1-chloro-2,3-epoxypropane) by whole-cell suspensions of Xanthobacter strain Py2 was investigated. Cell suspensions prepared from cultures grown with propylene as the carbon source readily degraded epichlorohydrin. The ability to degrade epichlorohydrin cor...

journal_title：Applied and environmental microbiology

authors： Small FJ,Tilley JK,Ensign SA

更新日期：1995-04-01 00:00:00

abstract：:A 1,6-dichlorohexane-degrading strain of Acinetobacter sp. was isolated from activated sludge. The organism could grow with and quantitatively release halide from 1,6-dichlorohexane, 1,9-dichlorononane, 1-chloropentane, 1-chlorobutane, 1-bromopentane, ethylbromide, and 1-iodopropane. Crude extracts contained an induci...

journal_title：Applied and environmental microbiology

authors： Janssen DB,Jager D,Witholt B

更新日期：1987-03-01 00:00:00

abstract：:Air drying of raw sludge caused inactivation of indigenous viruses. A gradual loss of infectivity occurred with the loss of water until the solids content reached about 80%. A more rapid decline of viral infectivity occurred with further dewatering. ...

journal_title：Applied and environmental microbiology

authors： Brashear DA,Ward RL

更新日期：1983-06-01 00:00:00