Isolation of new bacterial species from drinking water biofilms and proof of their in situ dominance with highly specific 16S rRNA probes.

abstract：:The bacteriocin nisin is produced only by some strains of Lactococcus lactis, and to date production in other lactic acid bacteria has not been achieved. Enterococcus sp. strain N12beta is a nisin-immune transconjugant obtained from a nisin-producing donor (L. lactis ATCC 11454) and a dairy recipient (Enterococcus sp....

journal_title：Applied and environmental microbiology

authors： Li H,O'Sullivan DJ

更新日期：2002-07-01 00:00:00

abstract：:A cattle trial using artificially inoculated calves was conducted to determine the effect of the addition of colicinogenic Escherichia coli strains capable of producing colicin E7 (a 61-kDa DNase) to feed on the fecal shedding of serotype O157:H7. The experiment was divided into three periods. In period 1, which laste...

journal_title：Applied and environmental microbiology

authors： Schamberger GP,Phillips RL,Jacobs JL,Diez-Gonzalez F

更新日期：2004-10-01 00:00:00

abstract：:Bacterial plasmids are fragments of extrachromosomal double-stranded DNA that can contain a variety of genes that are beneficial to the host organism, like those responsible for antimicrobial resistance. The objective of this study was to characterize a collection of 437 Salmonella enterica isolates from different ani...

journal_title：Applied and environmental microbiology

authors： Lindsey RL,Fedorka-Cray PJ,Frye JG,Meinersmann RJ

更新日期：2009-04-01 00:00:00

abstract：:The conversion of ochratoxin C to ochratoxin A was studied in rats after oral and intravenous administration. The concentration of ochratoxin A in the blood as a function of time was the same after oral administration of equivalent amounts of either ochratoxin C or ochratoxin A. The maximum ochratoxin A concentrations...

journal_title：Applied and environmental microbiology

authors： Fuchs R,Hult K,Peraica M,Radić B,Plestina R

更新日期：1984-07-01 00:00:00

abstract：:Pure cultures of methylotrophs and methanotrophs are known to oxidize methyl bromide (MeBr); however, their ability to oxidize tropospheric concentrations (parts per trillion by volume [pptv]) has not been tested. Methylotrophs and methanotrophs were able to consume MeBr provided at levels that mimicked the tropospher...

journal_title：Applied and environmental microbiology

authors： Goodwin KD,Varner RK,Crill PM,Oremland RS

更新日期：2001-12-01 00:00:00

abstract：:The deoxyribonucleic acid (DNA) yield and deoxyribonuclease (DNase) activity of several yeasts were correlated. Debaryomyces castellii and Debaryomyces franciscae were found to contain active DNases which carry out DNA hydrolysis, whereas the amounts of DNA as determined by extraction with Sarkosyl buffer (pH 7.8) wer...

journal_title：Applied and environmental microbiology

authors： El-Nakhal H,Phaff HJ

更新日期：1981-06-01 00:00:00

abstract：:Rhizomucor miehei lipase (RML), as a kind of eukaryotic protein catalyst, plays an important role in the food, organic chemical, and biofuel industries. However, RML retains its catalytic activity below 50°C, which limits its industrial applications at higher temperatures. Soluble expression of this eukaryotic protein...

journal_title：Applied and environmental microbiology

authors： Li G,Fang X,Su F,Chen Y,Xu L,Yan Y

更新日期：2018-01-02 00:00:00

abstract：:Fusarium graminearum is an important fungal pathogen of cereal crops and produces mycotoxins, such as the trichothecenes nivalenol and deoxynivalenol. This species may be subdivided into a series of genetic lineages or phylogenetic species. We identified strains of F. graminearum from the Republic of Korea to lineage,...

journal_title：Applied and environmental microbiology

authors： Lee J,Chang IY,Kim H,Yun SH,Leslie JF,Lee YW

更新日期：2009-05-01 00:00:00

abstract：:A bacterial strain capable of growing on propachlor (2-chloro-N-isopropylacetanilide) was isolated from soil by using enrichment and isolation techniques. The strain isolated, designated GCH1, was classified as a member of the genus Pseudomonas. Washed-cell suspensions of strain GCH1 accumulated N-isopropylacetanilide...

journal_title：Applied and environmental microbiology

authors： Martín M,Mengs G,Plaza E,Garbi C,Sánchez M,Gibello A,Gutierrez F,Ferrer E

更新日期：2000-03-01 00:00:00

abstract：:[This corrects the article on p. 507 in vol. 30.]. ...

journal_title：Applied and environmental microbiology

authors：

更新日期：1983-12-01 00:00:00

abstract：:A method is described for generating and screening variants of the beta-galactosidase from Lactobacillus delbrueckii subsp. bulgaricus sensitive to several environmental stresses, with potential application in the food industry. Chemical mutagenesis with hydroxylamine or methoxylamine was performed on the beta-galacto...

journal_title：Applied and environmental microbiology

authors： Yoast S,Adams RM,Mainzer SE,Moon K,Palombella AL,Schmidt BF

更新日期：1994-04-01 00:00:00

abstract：:A gene encoding a putative 150-amino-acid methylglyoxal synthase was identified in Clostridium acetobutylicum ATCC 824. The enzyme was overexpressed in Escherichia coli and purified. Methylglyoxal synthase has a native molecular mass of 60 kDa and an optimum pH of 7.5. The Km and Vmax values for the substrate dihydrox...

journal_title：Applied and environmental microbiology

authors： Huang K,Rudolph FB,Bennett GN

更新日期：1999-07-01 00:00:00

abstract：:Biogenic amines may reach concentrations of public health concern in some cheeses. To minimize biogenic amine buildup in raw milk cheese, high-pressure treatments of 400 or 600 MPa for 5 min were applied on days 21 and 35 of ripening. On day 60, counts of lactic acid bacteria, enterococci, and lactobacilli were 1 to 2...

journal_title：Applied and environmental microbiology

authors： Calzada J,del Olmo A,Picón A,Gaya P,Nuñez M

更新日期：2013-02-01 00:00:00

abstract：:Giardia muris cysts were separated from fecal contaminants in primary isolates by unit gravity velocity sedimentation. Crude isolates obtained by centrifugation over 1.0 M sucrose were overlaid onto a Percoll density gradient, 1.01 to 1.03 g/ml. G. muris cysts were well separated from faster-sedimenting fecal debris a...

journal_title：Applied and environmental microbiology

authors： Sauch JF

更新日期：1984-08-01 00:00:00

abstract：:The effects of UV-B radiation on the heterotrophic nanoflagellate Bodo saltans (Kinetoplastida) were examined under controlled conditions with artificial UV sources and also under natural solar radiation in an oligotrophic lake. In both types of experiments, the characteristic elongated cell morphology of this flagell...

journal_title：Applied and environmental microbiology

authors： Sommaruga R,Oberleiter A,Psenner R

更新日期：1996-12-01 00:00:00

abstract：:Human norovirus (NoV) is the leading cause of nonbacterial acute gastroenteritis epidemics worldwide. High-pressure processing (HPP) has been considered a promising nonthermal processing technology to inactivate food- and waterborne viral pathogens. Due to the lack of an effective cell culture method for human NoV, th...

journal_title：Applied and environmental microbiology

authors： Lou F,Huang P,Neetoo H,Gurtler JB,Niemira BA,Chen H,Jiang X,Li J

更新日期：2012-08-01 00:00:00

abstract：:The composition of phospholipids from Mycobacterium convolutum R22 was determined after growth at two temperatures (20 and 30 degrees C) with 1-chlorohexadecane as the substrate. Comparisons were made with the phospholipids of cells grown on n-hexadecane. Phosphatidylinositolmannosides and phosphatidylethanolamine (PE...

journal_title：Applied and environmental microbiology

authors： Murphy GL,Perry JJ

更新日期：1987-01-01 00:00:00

abstract：:We describe here a new enzyme-coupled assay for the quantitation of d-xylose using readily available enzymes that allows kinetic evaluation of hemicellulolytic enzymes using natural xylooligosaccharide substrates. Hydrogen peroxide is generated as an intermediary analyte, which allows flexibility in the choice of the ...

journal_title：Applied and environmental microbiology

authors： Wagschal K,Franqui-Espiet D,Lee CC,Robertson GH,Wong DW

更新日期：2005-09-01 00:00:00

abstract：:Anaerobic treatment of a volatile fatty acid (VFA) mixture was investigated under psychrophilic (3 to 8 degrees C) conditions in two laboratory-scale expanded granular sludge bed reactor stages in series. The reactor system was seeded with mesophilic methanogenic granular sludge and fed with a mixture of VFAs. Good re...

journal_title：Applied and environmental microbiology

authors： Lettinga G,Rebac S,Parshina S,Nozhevnikova A,van Lier JB,Stams AJ

更新日期：1999-04-01 00:00:00

abstract：:We demonstrate that enhanced lysozyme resistance of enteropathogenic Escherichia coli requires the plasmid-encoded regulator, Per, and is mediated by factors outside the locus for enterocyte effacement. EspC, a Per-activated serine protease autotransporter protein, conferred enhanced resistance on nonpathogenic E. col...

journal_title：Applied and environmental microbiology

authors： Salinger N,Kokona B,Fairman R,Okeke IN

更新日期：2009-01-01 00:00:00

abstract：:Hydraulic flush waste removal systems coupled to solid/liquid separators and circulated treatment lagoons are commonly utilized to manage the large amounts of animal waste produced on high-intensity dairy farms. Although these systems are common, little is known about the microbial populations that inhabit them or how...

journal_title：Applied and environmental microbiology

authors： McGarvey JA,Miller WG,Sanchez S,Stanker L

更新日期：2004-07-01 00:00:00

abstract：:Bacteria can survive on hospital textiles and surfaces, from which they can be disseminated, representing a source of health care-associated infections (HCAIs). Surfaces containing copper (Cu), which is known for its bactericidal properties, could be an efficient way to lower the burden of potential pathogens. The ant...

journal_title：Applied and environmental microbiology

authors： Rio L,Kusiak-Nejman E,Kiwi J,Bétrisey B,Pulgarin C,Trampuz A,Bizzini A

更新日期：2012-12-01 00:00:00

abstract：:Deletion of the pcaHG genes, encoding protocatechuate 3,4-dioxygenase in Rhodococcus jostii RHA1, gives a gene deletion strain still able to grow on protocatechuic acid as the sole carbon source, indicating a second degradation pathway for protocatechuic acid. Metabolite analysis of wild-type R. jostii RHA1 grown on m...

journal_title：Applied and environmental microbiology

authors： Spence EM,Scott HT,Dumond L,Calvo-Bado L,di Monaco S,Williamson JJ,Persinoti GF,Squina FM,Bugg TDH

更新日期：2020-09-17 00:00:00

abstract：:The transcription factors sinR and abrB are involved in the control of sporulation initiation in Bacillus subtilis. We identified a single homologue to sinR and three highly similar homologues to abrB, designated abrB310, abrB1941, and abrB3647, in Clostridium acetobutylicum ATCC 824. Using reporter vectors, we showed...

journal_title：Applied and environmental microbiology

authors： Scotcher MC,Rudolph FB,Bennett GN

更新日期：2005-04-01 00:00:00

abstract：:The human oral cavity is a complex ecosystem, and the alterations in salivary microbial communities are associated with both oral and nonoral diseases. The Mediterranean diet (MD) is a healthy dietary pattern useful for both prevention and treatment of several diseases. To further explore the effects of the MD on huma...

journal_title：Applied and environmental microbiology

authors： Laiola M,De Filippis F,Vitaglione P,Ercolini D

更新日期：2020-06-02 00:00:00

abstract：:An extracellular H(inf2)O(inf2)-requiring Remazol brilliant blue R (RBBR) decolorizing enzymatic activity was found in the culture medium of Pleurotus ostreatus. The enzymatic activity was maximally obtained in idiophase, and the optimum C/N ratio was 24. High C/N ratios repressed the enzymatic activity, and addition ...

journal_title：Applied and environmental microbiology

authors： Shin K,Oh I,Kim C

更新日期：1997-05-01 00:00:00

abstract：UNLABELLED:Microbes can produce molecular hydrogen (H2) via fermentation, dinitrogen fixation, or direct photolysis, yet the H2 dynamics in cyanobacterial communities has only been explored in a few natural systems and mostly in the laboratory. In this study, we investigated the diel in situ H2 dynamics in a hot spring...

journal_title：Applied and environmental microbiology

authors： Revsbech NP,Trampe E,Lichtenberg M,Ward DM,Kühl M

更新日期：2016-06-30 00:00:00

abstract：:In this study, we combined metabolic reconstruction, growth assays, and metabolome and transcriptome analyses to obtain a global view of the sulfur metabolic network and of the response to sulfur availability in Brevibacterium aurantiacum. In agreement with the growth of B. aurantiacum in the presence of sulfate and c...

journal_title：Applied and environmental microbiology

authors： Forquin MP,Hébert A,Roux A,Aubert J,Proux C,Heilier JF,Landaud S,Junot C,Bonnarme P,Martin-Verstraete I

更新日期：2011-02-01 00:00:00

abstract：:An enzyme-linked immunosorbent assay was developed for the detection of whole cells of methanogens in samples from anaerobic continuously stirred tank digesters treating slurries of solid waste. The assay was found to allow for quantitative analysis of the most important groups of methanogens in samples from anaerobic...

journal_title：Applied and environmental microbiology

authors： Sørensen AH,Ahring BK

更新日期：1997-05-01 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