Effect of rice plants on nitrogenase activity of flooded soils.

abstract：:The marine diatom Thallasiosira pseudonanna (3H) and several bacteria associated with it were isolated from batch cultures at the University of Delaware mariculture facility. The interaction between the algae and each of the bacteria was investigated. One of the isolates, T827/2B (Pseudomonas sp.), was incapable of su...

journal_title：Applied and environmental microbiology

authors： Baker KH,Herson DS

更新日期：1978-04-01 00:00:00

abstract：:Eleven of 13 Enterobacteriaceae species tested grew in moist stored wheat, highlighting a potential risk of this energy-saving airtight storage method. When Hansenula anomala was coinoculated, all Enterobacteriaceae species were significantly inhibited after 2 months of storage, six of them to below the detection limi...

journal_title：Applied and environmental microbiology

authors： Olstorpe M,Schnürer J,Passoth V

更新日期：2012-01-01 00:00:00

abstract：:The development of high-throughput methods, such as the construction of 18S rRNA gene clone or pyrosequencing libraries, has allowed evaluation of ciliate community composition in hundreds of samples from the rumen and other intestinal habitats. However, several genera of mammalian intestinal ciliates have been descri...

journal_title：Applied and environmental microbiology

authors： Kittelmann S,Devente SR,Kirk MR,Seedorf H,Dehority BA,Janssen PH

更新日期：2015-04-01 00:00:00

abstract：:Enterohemorrhagic Escherichia coli (EHEC) causes serious foodborne disease worldwide. It produces the very potent Shiga toxin 2 (Stx2). The Stx2-encoding genes are located on a prophage, and production of the toxin is linked to the synthesis of Stx phages. There is, currently, no good treatment for EHEC infections, as...

journal_title：Applied and environmental microbiology

authors： Kijewski A,Witsø IL,Iversen H,Rønning HT,L'Abée-Lund T,Wasteson Y,Lindbäck T,Aspholm M

更新日期：2020-11-24 00:00:00

abstract：:Using bacteria to transform reactive corrosion products into stable compounds represents an alternative to traditional methods employed in iron conservation. Two environmental Aeromonas strains (CA23 and CU5) were used to transform ferric iron corrosion products (goethite and lepidocrocite) into stable ferrous iron-be...

journal_title：Applied and environmental microbiology

authors： Kooli WM,Junier T,Shakya M,Monachon M,Davenport KW,Vaideeswaran K,Vernudachi A,Marozau I,Monrouzeau T,Gleasner CD,McMurry K,Lienhard R,Rufener L,Perret JL,Sereda O,Chain PS,Joseph E,Junier P

更新日期：2019-01-23 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：:o-Methoxycinnamaldehyde has been isolated and purified from powdered cinnamon. The compound inhibits the growth and toxin production of mycotoxin-producing fungi. The substance completely inhibited the growth of Aspergillus parasiticus and A. flavus at 100 microgram/ml and A. ochraceus and A. versicolor at 200 microgr...

journal_title：Applied and environmental microbiology

authors： Morozumi S

更新日期：1978-10-01 00:00:00

abstract：:It has been shown that the coexistence of methanogenesis and reductive acetogenesis in the hindgut of the wood-feeding termite Reticulitermes flavipes is based largely on the radial distribution of the respective microbial populations and relatively high hydrogen partial pressures in the gut lumen. Using Clark-type mi...

journal_title：Applied and environmental microbiology

authors： Schmitt-Wagner D,Brune A

更新日期：1999-10-01 00:00:00

abstract：:Cellulase and xylanase cDNAs were isolated from a cDNA library of the polycentric anaerobic fungus Orpinomyces sp. strain PC-2 constructed in Escherichia coli. The cellulase cDNA (celB) was 1.8 kb long with an open reading frame (ORF) coding for a polypeptide of 471 amino acids, and the xylanase cDNA (xynA) was 1.2 kb...

journal_title：Applied and environmental microbiology

authors： Li XL,Chen H,Ljungdahl LG

更新日期：1997-02-01 00:00:00

abstract：:Seven Azospirillum strains induced more deformation of root hairs of wheat than did strains of Rhizobium leguminosarum, Azotobacter chroococcum, or Escherichia coli. Azospirillum sp. strain Sp245 caused the most deformation. Strain Sp245 (isolated from surface sterile roots of wheat) and strain Sp7 (isolated from the ...

journal_title：Applied and environmental microbiology

authors： Jain DK,Patriquin DG

更新日期：1984-12-01 00:00:00

abstract：:Efficient biosynthesis of L-tyrosine from glucose is necessary to make biological production economically viable. To this end, we designed and constructed a modular biosynthetic pathway for L-tyrosine production in E. coli MG1655 by encoding the enzymes for converting erythrose-4-phosphate (E4P) and phosphoenolpyruvat...

journal_title：Applied and environmental microbiology

authors： Juminaga D,Baidoo EE,Redding-Johanson AM,Batth TS,Burd H,Mukhopadhyay A,Petzold CJ,Keasling JD

更新日期：2012-01-01 00:00:00

abstract：:To determine rates of microbial transformation of polycyclic aromatic hydrocarbons (PAH) in freshwater sediments, C-labeled PAH were incubated with samples from both pristine and petroleum-contaminated streams. Evolved CO(2) was trapped in KOH, unaltered PAH and polar metabolic intermediate fractions were quantitated ...

journal_title：Applied and environmental microbiology

authors： Herbes SE,Schwall LR

更新日期：1978-02-01 00:00:00

abstract：:Vinyl chloride reductases (VC-RDase) are the key enzymes for complete microbial reductive dehalogenation of chloroethenes, including the groundwater pollutants tetrachloroethene and trichloroethene. Analysis of the codon usage of the VC-RDase genes vcrA and bvcA showed that these genes are highly unusual and are chara...

journal_title：Applied and environmental microbiology

authors： McMurdie PJ,Behrens SF,Holmes S,Spormann AM

更新日期：2007-04-01 00:00:00

abstract：:The metabolism of aflatoxin B1 to aflatoxins M1 and Q1 by rat liver microsomes from animals pretreated with polychlorinated or polybrominated biphenyl congeners depended on the structure of the halogenated biphenyl inducers. Microsomes from rats treated with phenobarbital (PB) or halogenated biphenyls that exhibit PB-...

journal_title：Applied and environmental microbiology

authors： Halvorson MR,Phillips TD,Safe SH,Robertson LW

更新日期：1985-04-01 00:00:00

abstract：:Soil samples were screened to select microorganisms with the capability to oxidize organic sulfides into the corresponding sulfoxides with differential enantioselectivities. Several bacterial strains that preferentially produced the S-configured sulfoxide enantiomer were isolated. Surprisingly, one bacterial strain, g...

journal_title：Applied and environmental microbiology

authors： Adam W,Heckel F,Saha-Möller CR,Taupp M,Meyer JM,Schreier P

更新日期：2005-04-01 00:00:00

abstract：:Butane-oxidizing Arthrobacter (ATCC 27778) bacteria were shown to degrade low concentrations of methyl t-butyl ether (MTBE; range, 100 to 800 microg/liter) with an apparent half-saturation concentration (K(s)) of 2.14 mg/liter and a maximum substrate utilization rate (k(c)) of 0.43 mg/mg of total suspended solids per ...

journal_title：Applied and environmental microbiology

authors： Liu CY,Speitel GE Jr,Georgiou G

更新日期：2001-05-01 00:00:00

abstract：:Cyanobacterial blooms are potential health hazards in water supply reservoirs. This paper reports analyses of a cyanobacterial bloom by use of PCR-based methods for direct detection and identification of strains present and determination of their toxigenicity. Serial samples from Malpas Dam, in the New England region ...

journal_title：Applied and environmental microbiology

authors： Baker JA,Entsch B,Neilan BA,McKay DB

更新日期：2002-12-01 00:00:00

abstract：:Treatment of Pseudomonas aeruginosa PAO1 flow biofilms with a D-amino acid mixture caused significant reductions in cell biomass by 75% and cell viability by 71%. No biofilm disassembly occurred, and matrix production increased by 30%, thereby providing a thick protective cover for remaining viable or persister cells....

journal_title：Applied and environmental microbiology

authors： Sanchez Z,Tani A,Kimbara K

更新日期：2013-02-01 00:00:00

abstract：:An amylosucrase gene was subjected to high-rate segmental random mutagenesis, which was directed toward a segment encoding amino acids that influence the interaction with substrate molecules in subsites -1 to +3. A screen was used to identify enzyme variants with compromised glucan chain elongation. With an average mu...

journal_title：Applied and environmental microbiology

authors： Schneider J,Fricke C,Overwin H,Hofmann B,Hofer B

更新日期：2009-12-01 00:00:00

abstract：:The objective of this study was to develop a rapid, reproducible, and robust method for detecting Salmonella enterica serotype Enteritidis in poultry samples. First, for the extraction and purification of DNA from the preenrichment culture, four methods (boiling, alkaline lysis, Nucleospin, and Dynabeads DNA Direct Sy...

journal_title：Applied and environmental microbiology

authors： De Medici D,Croci L,Delibato E,Di Pasquale S,Filetici E,Toti L

更新日期：2003-06-01 00:00:00

abstract：:In soil ecosystems, bacteria must cope with predation activity, which is attributed mainly to protists. The development of antipredation strategies may help bacteria maintain higher populations and persist longer in the soil. We analyzed the interaction between the root-colonizing and biocontrol strain Pseudomonas flu...

journal_title：Applied and environmental microbiology

authors： Jousset A,Lara E,Wall LG,Valverde C

更新日期：2006-11-01 00:00:00

abstract：:Enterohemorrhagic and enteropathogenic Escherichia coli (EHEC and EPEC, respectively) strains are closely related human pathogens that are responsible for food-borne epidemics in many countries. Integration host factor (IHF) and the locus of enterocyte effacement-encoded regulator (Ler) are needed for the expression o...

journal_title：Applied and environmental microbiology

authors： Li M,Rosenshine I,Tung SL,Wang XH,Friedberg D,Hew CL,Leung KY

更新日期：2004-09-01 00:00:00

abstract：:A human feeding study was performed with Lactococcus lactis TC165.5, which is genetically marked by insertion of the sucrose-nisin conjugative transposon Tn5276 and chromosomal resistance to rifampin and streptomycin. The fate of strain TC165.5 and its nucleic acids was monitored by conventional plating methods and by...

journal_title：Applied and environmental microbiology

authors： Klijn N,Weerkamp AH,de Vos WM

更新日期：1995-07-01 00:00:00

abstract：:In raw sludges and in mesophilically and thermophilically digested anaerobic sludges, large variations in numbers of viruses occurred over narrow ranges of numbers of fecal coliforms, total coliforms, and fecal streptococci, demonstrating that the bacteria were poor quantitative reflectors of the numbers of the viruse...

journal_title：Applied and environmental microbiology

authors： Berg G,Berman D

更新日期：1980-02-01 00:00:00

abstract：:Several wild-type isolates of marine bdellovibrios formed stable bdelloplasts when they infected gram-negative bacterial prey under certain culture conditions. Synchronous predator-prey cultures and low nutrient concentrations increased the yield of stable bdelloplasts. The bdellovibrio cells retained in the stable bd...

journal_title：Applied and environmental microbiology

authors： Sánchez-Amat A,Torrella F

更新日期：1990-09-01 00:00:00

abstract：:A gram-negative bacterium isolated from activated sludge was able to utilize up to 25 mM phosphonoacetate as the sole carbon and phosphorus source, with simultaneous excretion of virtually equimolar levels of phosphate. 2-Aminoethylphosphonate was similarly utilized with equivalent growth rates and cellular yields, wh...

journal_title：Applied and environmental microbiology

authors： McMullan G,Harrington F,Quinn JP

更新日期：1992-04-01 00:00:00

abstract：:A nodule-shaped microbial mat was found subsurface in sediments of a gas seep in the anoxic Black Sea. This mat was dominated by ANME-1 archaea and consumed methane and sulfate simultaneously. We propose that such subsurface mats represent the initial stage of previously investigated microbial reefs. ...

journal_title：Applied and environmental microbiology

authors： Treude T,Knittel K,Blumenberg M,Seifert R,Boetius A

更新日期：2005-10-01 00:00:00

abstract：:This is the first report of filamentous actinobacteria isolated from surface-sterilized root tissues of healthy wheat plants (Triticum aestivum L.). Wheat roots from a range of sites across South Australia were used as the source material for the isolation of the endophytic actinobacteria. Roots were surface-sterilize...

journal_title：Applied and environmental microbiology

authors： Coombs JT,Franco CM

更新日期：2003-09-01 00:00:00

abstract：:The fungus Cladosporium sphaerospermum was isolated from a biofilter used for the removal of toluene from waste gases. This is the first report describing growth of a eukaryotic organism with toluene as the sole source of carbon and energy. The oxygen consumption rates, as well as the measured enzyme activities, of to...

journal_title：Applied and environmental microbiology

authors： Weber FJ,Hage KC,de Bont JA

更新日期：1995-10-01 00:00:00

abstract：:Duplicate anaerobic fermentor systems were used to examine changes in a community of human fecal bacteria supplied with different carbohydrate energy sources. A panel of group-specific fluorescent in situ hybridization probes targeting 16S rRNA sequences revealed that the fermentors supported growth of a greater propo...

journal_title：Applied and environmental microbiology

authors： Duncan SH,Scott KP,Ramsay AG,Harmsen HJ,Welling GW,Stewart CS,Flint HJ

更新日期：2003-02-01 00:00:00