Biocontrol of Listeria monocytogenes and Escherichia coli O157:H7 in meat by using phages immobilized on modified cellulose membranes.

abstract：:Ten laboratories participated in an interlaboratory comparison of determination of bioleaching rates of a pyrite reference material. A standardized procedure and a single strain of Thiobacillus ferrooxidans were used in this study. The mean rate of bioleaching of the pyrite reference material was 12.4 mg of Fe per lit...

journal_title：Applied and environmental microbiology

authors： Olson GJ

更新日期：1991-03-01 00:00:00

abstract：:A novel xylanase (xylanase IV) which produces xylotetraose as the only low-molecular-weight oligosaccharide from oat spelt xylan was isolated from the culture medium of Aeromonas caviae ME-1. By sodium dodecyl sulfate-polyacrylamide gel electrophoresis, the xylanase IV molecular weight was 41,000. Xylanase IV catalyze...

journal_title：Applied and environmental microbiology

authors： Kubata BK,Takamizawa K,Kawai K,Suzuki T,Horitsu H

更新日期：1995-04-01 00:00:00

abstract：:To prevent transmission of mycobacterial pathogens, medical devices must be disinfected by germicides with proven mycobactericidal activity. The quantitative carrier test EN 14563 provides an international standard for evaluation of the mycobactericidal activity of disinfectants under practical conditions. However, te...

journal_title：Applied and environmental microbiology

authors： Steinhauer K,Eschenbacher I,Radischat N,Detsch C,Niederweis M,Goroncy-Bermes P

更新日期：2010-01-01 00:00:00

abstract：:The following two factors significantly influence estimates of the maximum specific growth rate ( micro (max)) and the lag-phase duration (lambda): (i) the technique used to monitor bacterial growth and (ii) the model fitted to estimate parameters. In this study, nine strains of Listeria monocytogenes were monitored s...

journal_title：Applied and environmental microbiology

authors： Baty F,Flandrois JP,Delignette-Muller ML

更新日期：2002-12-01 00:00:00

abstract：:Hybridization of crushed Lotus pedunculatus root nodules with P-labeled total genomic DNA probes was used to identify Rhizobium loti and Bradyrhizobium sp. (Lotus rhizobia). Probes always hybridized with homologous target DNA and frequently with DNAs of other strains from the same genus. Intergeneric hybridization did...

journal_title：Applied and environmental microbiology

authors： Cooper JE,Bjourson AJ,Thompson JK

更新日期：1987-07-01 00:00:00

abstract：:Enzyme-catalyzed asymmetric reduction of ethyl 4-chloro-3-oxobutanoate in an organic solvent-water diphasic system was studied. NADPH-dependent aldehyde reductase isolated from Sporobolomyces salmonicolor AKU4429 and glucose dehydrogenase were used as catalysts for reduction of ethyl 4-chloro-3-oxobutanoate and recycl...

journal_title：Applied and environmental microbiology

authors： Shimizu S,Kataoka M,Katoh M,Morikawa T,Miyoshi T,Yamada H

更新日期：1990-08-01 00:00:00

abstract：:Sakacin A is an antilisterial bacteriocin produced by Lactobacillus sake Lb706. In order to identify genes involved in sakacin A production and immunity, the plasmid fraction of L. sake Lb706 was shotgun cloned directly into a sakacin A-nonproducing and -sensitive variant, L. sake Lb706-B, by using the broad-host-rang...

journal_title：Applied and environmental microbiology

authors： Axelsson L,Holck A,Birkeland SE,Aukrust T,Blom H

更新日期：1993-09-01 00:00:00

abstract：:The biological factors important in the penetration of Escherichia coli through anaerobic, nutrient-saturated, Ottawa sand-packed cores were studied under static conditions. In cores saturated with galactose-peptone medium, motile strains of E. coli penetrated four times faster than mutants defective only in flagellar...

journal_title：Applied and environmental microbiology

authors： Reynolds PJ,Sharma P,Jenneman GE,McInerney MJ

更新日期：1989-09-01 00:00:00

abstract：:Human norovirus (NoV) is the leading cause of foodborne disease in the United States, and epidemiological studies have shown that fresh produce is one of the major vehicles for the transmission of human NoV. However, the mechanisms of norovirus contamination and persistence in fresh produce are poorly understood. The ...

journal_title：Applied and environmental microbiology

authors： DiCaprio E,Culbertson D,Li J

更新日期：2015-04-01 00:00:00

abstract：:L-glutamate overproduction in Corynebacterium glutamicum, a biotin auxotroph, is induced by biotin limitation or by treatment with certain fatty acid ester surfactants or with penicillin. We have analyzed the relationship between the inductions, 2-oxoglutarate dehydrogenase complex (ODHC) activity, and L-glutamate pro...

journal_title：Applied and environmental microbiology

authors： Asakura Y,Kimura E,Usuda Y,Kawahara Y,Matsui K,Osumi T,Nakamatsu T

更新日期：2007-02-01 00:00:00

abstract：:The volatile substances present in a eutrophic shallow lake were determined qualitatively and quantitatively during the growing season, allowing a first-time analysis of the dynamics of these compounds in a water body. The major compounds found were beta-cyclocitral, alpha-cyclocitral, beta-ionone, 1,3,3-trimethylcycl...

journal_title：Applied and environmental microbiology

authors： Jüttner F

更新日期：1984-04-01 00:00:00

abstract：:Fifty-one isolates of Rhizobium leguminosarum biovar phaseoli from various geographic and ecological sources, largely in Mexico, were characterized by the electrophoretic mobilities of 15 metabolic enzymes, and 46 distinctive multilocus genotypes (electrophoretic types [ETs]) were distinguished on the basis of allele ...

journal_title：Applied and environmental microbiology

authors： Pinero D,Martinez E,Selander RK

更新日期：1988-11-01 00:00:00

abstract：:Lowering the pH in bacterium-based succinate fermentation is considered a feasible approach to reduce total production costs. Newly isolated Enterobacter aerogenes strain AJ110637, a rapid carbon source assimilator under weakly acidic (pH 5.0) conditions, was selected as a platform for succinate production. Our previo...

journal_title：Applied and environmental microbiology

authors： Tajima Y,Yamamoto Y,Fukui K,Nishio Y,Hashiguchi K,Usuda Y,Sode K

更新日期：2015-02-01 00:00:00

abstract：:Salmonella enterica serovar Enteritidis that grows to a higher cell density (SE-HCD) than wild type while retaining O-chain lipopolysaccharide was isolated by transforming wild type serovar Enteritidis with the cell density sensor plasmid pSB402 and selecting for bioluminescence. A luminescent strain, SE-HCD, that emi...

journal_title：Applied and environmental microbiology

authors： Guard-Petter J

更新日期：1998-06-01 00:00:00

abstract：:This study demonstrates that elution of enteroviruses from a mixture of primary- and activated-sludge solids with beef extract at pH 9.2 +/- 0.2 may be less efficient than elution with beef extract at pH 7.2 +/- 0.2 and that elution of enteroviruses from extended-aeration-sludge solids with beef extract is at best no ...

journal_title：Applied and environmental microbiology

authors： Berg G,Sullivan G

更新日期：1988-07-01 00:00:00

abstract：:Hypoxia is encountered frequently by Candida albicans during systemic infection of the human host. We tested if hypoxia allows biofilm formation by C. albicans, which is a major cause of perseverance and antifungal resistance in C. albicans infections. Using an in vitro biofilm system, we unexpectedly discovered that ...

journal_title：Applied and environmental microbiology

authors： Stichternoth C,Ernst JF

更新日期：2009-06-01 00:00:00

abstract：:Culture-independent molecular phylogenetic methods were used to explore the breadth of diversity and environmental distribution of members of the division-level "candidate" phylogenetic group WS6, recently discovered in a contaminated aquifer and with no cultivated representatives. A broad diversity of WS6-affiliated ...

journal_title：Applied and environmental microbiology

authors： Dojka MA,Harris JK,Pace NR

更新日期：2000-04-01 00:00:00

abstract：:A radiometric method for the detection of Salmonella in foods has been developed which is based on Salmonella poly H agglutinating serum preventing Salmonella from producing 14CO2 from [14C]dulcitol. The method will detect the presence or absence of Salmonella in a product within 30 h compared to 4 to 5 days by routin...

journal_title：Applied and environmental microbiology

authors： Stewart BJ,Eyles MJ,Murrell WG

更新日期：1980-08-01 00:00:00

abstract：:During a molecular phylogenetic survey of extremely acidic (pH < 1), metal-rich acid mine drainage habitats in the Richmond Mine at Iron Mountain, Calif., we detected 16S rRNA gene sequences of a novel bacterial group belonging to the order Rickettsiales in the Alphaproteobacteria. The closest known relatives of this ...

journal_title：Applied and environmental microbiology

authors： Baker BJ,Hugenholtz P,Dawson SC,Banfield JF

更新日期：2003-09-01 00:00:00

abstract：:Previous studies have shown that the cellobiohydrolases of the white rot basidiomycete Phanerochaete chrysosporium are encoded by a family of structurally related genes. In this investigation, we identified and sequenced the most highly transcribed gene, cbh1-4. Evidence suggests that in this fungus the dominant isozy...

journal_title：Applied and environmental microbiology

authors： Vanden Wymelenberg A,Covert S,Cullen D

更新日期：1993-10-01 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：:In samples of flooded soil containing blue-green algae (cyanobacteria), the presence of rice plants did not influence the nitrogenase activity of the algae. Nitrogenase activity of heterotrophic bacteria was enhanced by the presence of rice plants, but this activity was not affected by changes in plant density. The ra...

journal_title：Applied and environmental microbiology

authors： Habte M,Alexander M

更新日期：1980-09-01 00:00:00

abstract：:Insertional mutagenesis with pGhost9::ISS1 resulted in independent insertions in a 350-bp region of the chromosome of Lactococcus lactis subsp. cremoris MG1363 that conferred phage resistance to the integrants. The orientation and location of the insertions suggested that the phage resistance phenotype was caused by a...

journal_title：Applied and environmental microbiology

authors： Haaber J,Moineau S,Fortier LC,Hammer K

更新日期：2008-11-01 00:00:00

abstract：:We examined the harmful side effects on indigenous soil microorganisms of two organic solvents, acetone and dichloromethane, that are normally used for spiking of soil with polycyclic aromatic hydrocarbons for experimental purposes. The solvents were applied in two contamination protocols to either the whole soil samp...

journal_title：Applied and environmental microbiology

authors： Brinch UC,Ekelund F,Jacobsen CS

更新日期：2002-04-01 00:00:00

abstract：:A screen of the Saccharomyces cerevisiae deletion strain set was performed to identify genes affecting hydrogen sulfide (H(2)S) production. Mutants were screened using two assays: colony color on BiGGY agar, which detects the basal level of sulfite reductase activity, and production of H(2)S in a synthetic juice mediu...

journal_title：Applied and environmental microbiology

authors： Linderholm AL,Findleton CL,Kumar G,Hong Y,Bisson LF

更新日期：2008-03-01 00:00:00

abstract：:Biobleaching of hardwood unbleached kraft pulp (UKP) by Phanerochaete chrysosporium and Trametes versicolor was studied in the solid-state fermentation system with different culture media. In this fermentation system with low-nitrogen and high-carbon culture medium, pulp brightness increased by 15 and 30 points after ...

journal_title：Applied and environmental microbiology

authors： Katagiri N,Tsutsumi Y,Nishida T

更新日期：1995-02-01 00:00:00

abstract：:Aureobasidium pullulans, a cosmopolitan yeast-like fungus, colonizes leaf surfaces and has potential as a biocontrol agent of pathogens. To assess the feasibility of rRNA as a target for A. pullulans-specific oligonucleotide probes, we compared the nucleotide sequences of the small-subunit rRNA (18S) genes of 12 geogr...

journal_title：Applied and environmental microbiology

authors： Li S,Cullen D,Hjort M,Spear R,Andrews JH

更新日期：1996-05-01 00:00:00

abstract：:Nucleic acid-based analytical methods, ranging from species-targeted PCRs to metagenomics, have greatly expanded our understanding of microbiological diversity in natural samples. However, these methods provide only limited information on the activities and physiological states of microorganisms in samples. Even the m...

journal_title：Applied and environmental microbiology

authors： Cangelosi GA,Meschke JS

更新日期：2014-10-01 00:00:00

abstract：:Total DNA from 21 collection or industrial Bifidobacterium strains was cleaved with various restriction endonucleases. Following electrophoresis, the fragments were subjected to Southern blot hybridization with a heterologous [alpha-32P]dCTP-labeled rDNA (genes coding for rRNA) 23S gene probe. The ribosomal patterns a...

journal_title：Applied and environmental microbiology

authors： Mangin I,Bourget N,Bouhnik Y,Bisetti N,Simonet JM,Decaris B

更新日期：1994-05-01 00:00:00

abstract：:Two types of mesophilic, methanogenic bacteria were isolated in pure culture from anaerobic freshwater and marine mud with 2-propanol as the hydrogen donor. The freshwater strain (SK) was a Methanospirillum species, the marine, salt-requiring strain (CV), which had irregular coccoid cells, resembled Methanogenium sp. ...

journal_title：Applied and environmental microbiology

authors： Widdel F

更新日期：1986-05-01 00:00:00