Evaluation of colicins for inhibitory activity against diarrheagenic Escherichia coli strains, including serotype O157:H7.

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：:A triplex reverse transcriptase PCR (RT-PCR) was developed to simultaneously detect poliovirus, hepatitis A virus (HAV), and rotavirus in sewage and ocean water. Sewage and ocean water samples seeded with the three different viruses were concentrated by ultrafiltration. The unseeded ocean water and sewage samples were...

journal_title：Applied and environmental microbiology

authors： Tsai YL,Tran B,Sangermano LR,Palmer CJ

更新日期：1994-07-01 00:00:00

abstract：:Lantibiotics are antimicrobial peptides belonging to the family of ribosomally synthesized and posttranslationally modified peptides (RiPPs) and feature thioether linkages in their structures. In this study, we identified the biosynthetic gene cluster of a cinnamycin analog, named mathermycin, from Marinactinospora th...

journal_title：Applied and environmental microbiology

authors： Chen E,Chen Q,Chen S,Xu B,Ju J,Wang H

更新日期：2017-07-17 00:00:00

abstract：:Aqueous spore suspensions of Bacillus stearothermophilus ATCC 12980 were heated at different temperatures for various time intervals in a resistometer, spread plated on antibiotic assay medium supplemented with 0.1% soluble starch without (AAMS) or with (AAMS-S) 0.9% NaCl, and incubated at 55 degrees C unless otherwis...

journal_title：Applied and environmental microbiology

authors： Feeherry FE,Munsey DT,Rowley DB

更新日期：1987-02-01 00:00:00

abstract：:To understand the ecological and genetic role of viruses in the marine environment, it is critical to know the infectivity of viruses and the types of interactions that occur between marine viruses and their hosts. We isolated four marine phages from turbid plaques by using four indigenous bacterial hosts obtained fro...

journal_title：Applied and environmental microbiology

authors： Jiang SC,Kellogg CA,Paul JH

更新日期：1998-02-01 00:00:00

abstract：:The proteolytic activity of Butyrivibrio fibrisolvens, a ubiquitously distributed bacterial species in the gastrointestinal tracts of ruminants and other mammals, was characterized. The relative proteolytic activity (micrograms of azocasein degraded per hour per milligram of protein) varied greatly with the strain: 0 ...

journal_title：Applied and environmental microbiology

authors： Cotta MA,Hespell RB

更新日期：1986-07-01 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：:"Candidatus Nitrosotenuis uzonensis" is the only cultured moderately thermophilic member of the thaumarchaeotal order Nitrosopumilales (NP) that contains many mesophilic marine strains. We examined its membrane lipid composition at different growth temperatures (37°C, 46°C, and 50°C). Its lipids were all membrane-span...

journal_title：Applied and environmental microbiology

authors： Bale NJ,Palatinszky M,Rijpstra WIC,Herbold CW,Wagner M,Sinninghe Damsté JS

更新日期：2019-10-01 00:00:00

abstract：:Hepatitis A virus disinfection was assessed on contaminated stainless-steel disks. Ten microliters of fecally suspended hepatitis A virus was deposited on the center of each disk, dried for 20 min, and then covered with 20 microliters of the test product for 1 min. Of the 20 formulations tested, only 2% glutaraldehyde...

journal_title：Applied and environmental microbiology

authors： Mbithi JN,Springthorpe VS,Sattar SA

更新日期：1990-11-01 00:00:00

abstract：:Incorporation of plant residues strongly enhances the methane production and emission from flooded rice fields. Temperature and residue type are important factors that regulate residue decomposition and CH(4) production. However, the response of the methanogenic archaeal community to these factors in rice field soil i...

journal_title：Applied and environmental microbiology

authors： Peng J,Lü Z,Rui J,Lu Y

更新日期：2008-05-01 00:00:00

abstract：:Aquaglyceroporins (GlpFs) that transport glycerol along with water and other uncharged solutes are involved in osmoregulation in myriad species. Fungal species form a large group of eukaryotic organisms, and their GlpFs may be diverse, exhibiting various activities. However, few filamentous fungal GlpFs have been biol...

journal_title：Applied and environmental microbiology

authors： Liu XD,Wei Y,Zhou XY,Pei X,Zhang SH

更新日期：2015-10-01 00:00:00

abstract：:"Caldocellum saccharolyticum" is an obligatory anaerobic thermophilic bacterium. A gene from this organism, designated celB, has been cloned in Escherichia coli as part of a bacteriophage lambda gene library. This gene produces a thermostable cellulase that shows both endoglucanase and exoglucanase activities on test ...

journal_title：Applied and environmental microbiology

authors： Saul DJ,Williams LC,Grayling RA,Chamley LW,Love DR,Bergquist PL

更新日期：1990-10-01 00:00:00

abstract：:A comprehensive assessment of bacterial diversity and community composition in arctic and antarctic pack ice was conducted through cultivation and cultivation-independent molecular techniques. We sequenced 16S rRNA genes from 115 and 87 pure cultures of bacteria isolated from arctic and antarctic pack ice, respectivel...

journal_title：Applied and environmental microbiology

authors： Brinkmeyer R,Knittel K,Jürgens J,Weyland H,Amann R,Helmke E

更新日期：2003-11-01 00:00:00

abstract：:Polymorphism of the nuclear ribosomal DNA intergenic spacer (IGS) of the ectomycorrhizal basidiomycete Hebeloma cylindrosporum was studied to evaluate whether this sequence could be used in field studies to estimate the diversity of strains forming mycorrhizas on individual Pinus pinaster root systems. This sequence w...

journal_title：Applied and environmental microbiology

authors： Guidot A,Lumini E,Debaud JC,Marmeisse R

更新日期：1999-03-01 00:00:00

abstract：:The DNA sequence of a 359-bp fragment of nifH was determined for the heterocystous strains Anabaena sp. strain CA (ATCC 33047), Nostoc muscorum UTEX 1933, a Nostoc sp., Gloeothece sp. strain ATCC 27152, Lyngbya lagerheimii UTEX 1930, and Plectonema boryanum IU 594. Results confirmed that the DNA sequence of the 359-bp...

journal_title：Applied and environmental microbiology

authors： Ben-Porath J,Zehr JP

更新日期：1994-03-01 00:00:00

abstract：:The effects of polychlorinated biphenyl (PCB) and phenanthrene stress on glucose uptake by natural microbial populations were examined by the heterotrophic potential technique. Temporal and spatial distributions in glucose uptake velocities were examined for natural samples as well as PCB- and phenanthrene-stressed sa...

journal_title：Applied and environmental microbiology

authors： Sayler GS,Lund LC,Shiaris MP,Sherrill TW,Perkins RE

更新日期：1979-05-01 00:00:00

abstract：:A beta-1,3-galactosyl-N-acetylhexosamine phosphorylase (GalGlyNAcP) homolog gene was cloned from Vibrio vulnificus CMCP6. In synthetic reactions, the recombinant enzyme acted only with GlcNAc and GalNAc as acceptors in the presence of alpha-d-galactose-1-phosphate as a donor to form lacto-N-biose I (LNB) (Galbeta1 -->...

journal_title：Applied and environmental microbiology

authors： Nakajima M,Kitaoka M

更新日期：2008-10-01 00:00:00

abstract：:Eighteen strains of Agrobacterium tumefaciens isolated from crown galls were tested for agrocin production. Of six agrocin-producing strains, one (D286) produced a broad-host-range agrocin active against strains carrying nopaline, octopine, and agropine type Ti plasmids. Sensitivity to agrocin D286 was found to map in...

journal_title：Applied and environmental microbiology

authors： Hendson M,Askjaer L,Thomson JA,van Montagu M

更新日期：1983-05-01 00:00:00

abstract：:The plasmid-free strain Lactococcus lactis subsp. cremoris BC101 produced an extracellular proteinase physicochemically similar to the proteinase encoded by the plasmid-linked prtP gene of other lactococcal strains. The absence of detectable plasmids in strain BC101 indicated that the prtP proteinase gene may be chrom...

journal_title：Applied and environmental microbiology

authors： Nissen-Meyer J,Lillehaug D,Nes IF

更新日期：1992-02-01 00:00:00

abstract：:Bacterial communities associated with marine algae are often dominated by members of the Roseobacter clade, and in the present study, we describe Roseobacter phenotypes that may provide this group of bacteria with selective advantages when colonizing this niche. Nine of 14 members of the Roseobacter clade, of which ha...

journal_title：Applied and environmental microbiology

authors： Bruhn JB,Gram L,Belas R

更新日期：2007-01-01 00:00:00

abstract：:Expression of genes encoding polyamine transporters from plasmids and polyamine supplements increased furfural tolerance (growth and ethanol production) in ethanologenic Escherichia coli LY180 (in AM1 mineral salts medium containing xylose). This represents a new approach to increase furfural tolerance and may be usef...

journal_title：Applied and environmental microbiology

authors： Geddes RD,Wang X,Yomano LP,Miller EN,Zheng H,Shanmugam KT,Ingram LO

更新日期：2014-10-01 00:00:00

abstract：:Washed cell suspensions of the facultative methylotroph strain IMB-1 grown on methyl bromide (MeBr) were able to consume methyl chloride (MeCl) and methyl iodide (MeI) as well as MeBr. Consumption of >100 microM MeBr by cells grown on glucose, acetate, or monomethylamine required induction. Induction was inhibited by ...

journal_title：Applied and environmental microbiology

authors： Schaefer JK,Oremland RS

更新日期：1999-11-01 00:00:00

abstract：:The spatiotemporal distributions of Aeromonas spp. and fecal coliforms in a cove receiving sewage treatment effluent and draining into a brackish lagoon were studied for 34 months with sampling at six stations. A total of 452 strains of Aeromonas spp. were isolated and identified at the outflow of the treatment system...

journal_title：Applied and environmental microbiology

authors： Monfort P,Baleux B

更新日期：1991-09-01 00:00:00

abstract：:The ultrasonic determination of microbial population was carried out by using a new apparatus composed of two piezoelectric membranes. When the apparatus was immersed in a medium containing cells and an arbitrary voltage was charged on a piezoelectric membrane, an output voltage was obtained from the other membrane. T...

journal_title：Applied and environmental microbiology

authors： Ishimori Y,Karube I,Suzuki S

更新日期：1981-10-01 00:00:00

abstract：:Caulobacter crescentus is known to tolerate high levels of uranium [U(VI)], but its detoxification mechanism is poorly understood. Here we show that C. crescentus is able to facilitate U(VI) biomineralization through the formation of U-Pi precipitates via its native alkaline phosphatase activity. The U-Pi precipitates...

journal_title：Applied and environmental microbiology

authors： Yung MC,Jiao Y

更新日期：2014-08-01 00:00:00

abstract：:A theoretical analysis of the detachment of bacteria adhering to substratum surfaces upon the passage of an air-liquid interface is given, together with experimental results for bacterial detachment in the absence and presence of a conditioning film on different substratum surfaces. Bacteria (Streptococcus sobrinus HG...

journal_title：Applied and environmental microbiology

authors： Gómez-Suárez C,Busscher HJ,van der Mei HC

更新日期：2001-06-01 00:00:00

abstract：:Wolbachia, a common bacterial endosymbiont of insects, has been shown to protect its hosts against a wide range of pathogens. However, not all strains exert a protective effect on their host. Here we assess the effects of two divergent Wolbachia strains, wAlbB from Aedes albopictus and wMelPop from Drosophila melanoga...

journal_title：Applied and environmental microbiology

authors： Hughes GL,Vega-Rodriguez J,Xue P,Rasgon JL

更新日期：2012-03-01 00:00:00

abstract：:In order to identify antifungal compounds from natural sources to be used as ingredients in the bakery industry, water/salt-soluble extracts (WSE) from different legume flour hydrolysates obtained by the use of a fungal protease were assayed against Penicillium roqueforti DPPMAF1. The agar diffusion assays allowed the...

journal_title：Applied and environmental microbiology

authors： Rizzello CG,Lavecchia A,Gramaglia V,Gobbetti M

更新日期：2015-06-15 00:00:00

abstract：:A method was developed to study the biodegradation and oxidative biodehalogenation of fluorinated phenols by 19F nuclear magnetic resonance (NMR). Characterization of the 19F NMR spectra of metabolite profiles of a series of fluorophenols, converted by purified phenol hydroxylase, catechol 1,2-dioxygenase, and/or by t...

journal_title：Applied and environmental microbiology

authors： Boersma MG,Dinarieva TY,Middelhoven WJ,van Berkel WJ,Doran J,Vervoort J,Rietjens IM

更新日期：1998-04-01 00:00:00

abstract：:Dual-trap laser tweezers Raman spectroscopy (LTRS) and elastic light scattering (ELS) were used to investigate dynamic processes during high-temperature treatment of individual spores of Bacillus cereus, Bacillus megaterium, and Bacillus subtilis in water. Major conclusions from these studies included the following. (...

journal_title：Applied and environmental microbiology

authors： Zhang P,Kong L,Setlow P,Li YQ

更新日期：2010-03-01 00:00:00