Purification of mutacin III from group III Streptococcus mutans UA787 and genetic analyses of mutacin III biosynthesis genes.

abstract：:To simulate growth conditions experienced by microbiota at O(inf2)-limited interfaces of organic matter in compost, an experimental system capable of maintaining dual limitations of oxygen and carbon for extended periods, i.e., a pO(inf2)-auxostat, has been used. (sup15)N tracer studies on thermophilic (53(deg)C) deco...

journal_title：Applied and environmental microbiology

authors： Pel R,Oldenhuis R,Brand W,Vos A,Gottschal JC,Zwart KB

更新日期：1997-02-01 00:00:00

abstract：:The incidence of community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) infection has been increasing; however, the sources of infection remain unclear. Therefore, we investigated the involvement of meat as a possible mediator of CA-MRSA infection. We examined the distribution of MRSA strains in comm...

journal_title：Applied and environmental microbiology

authors： Ogata K,Narimatsu H,Suzuki M,Higuchi W,Yamamoto T,Taniguchi H

更新日期：2012-04-01 00:00:00

abstract：:The current project was developed to examine inactivation of biofilm bacteria and to characterize the interaction of biocides with pipe surfaces. Unattached bacteria were quite susceptible to the variety of disinfectants tested. Viable bacterial counts were reduced 99% by exposure to 0.08 mg of hypochlorous acid (pH 7...

journal_title：Applied and environmental microbiology

authors： LeChevallier MW,Cawthon CD,Lee RG

更新日期：1988-10-01 00:00:00

abstract：:The effects of silicic acid on the growth of Thermus thermophilus TMY, an extreme thermophile isolated from a siliceous deposit formed from geothermal water at a geothermal power plant in Japan, were examined at 75 degrees C. At concentrations higher than the solubility of amorphous silica (400 to 700 ppm SiO(2)), a s...

journal_title：Applied and environmental microbiology

authors： Doi K,Fujino Y,Inagaki F,Kawatsu R,Tahara M,Ohshima T,Okaue Y,Yokoyama T,Iwai S,Ogata S

更新日期：2009-04-01 00:00:00

abstract：:In this study, 30 strains of the pathogenic free-living amoeba Naegleria fowleri were investigated by using the randomly amplified polymorphic DNA (RAPD) method. The present study confirmed our previous finding that RAPD variation is not correlated with geographical origin. In particular, Mexican strains belong to the...

journal_title：Applied and environmental microbiology

authors： Pélandakis M,De Jonckheere JF,Pernin P

更新日期：1998-08-01 00:00:00

abstract：:The different serotyping systems, based on thermostable O antigens, reported for Vibrio anguillarum and V. ordalii were compared by quantitative agglutination, sodium dodecyl sulfate-polyacrylamide gel electrophoresis, and subsequent silver staining or Western blotting (immunoblotting) of purified lipopolysaccharide (...

journal_title：Applied and environmental microbiology

authors： Grisez L,Ollevier F

更新日期：1995-12-01 00:00:00

abstract：:Pseudomonas fluorescens 5R contains an NAH7-like plasmid (pKA1), and P. fluorescens 5R mutant 5RL contains a bioluminescent reporter plasmid (pUTK21) which was constructed by transposon mutagenesis. Polymerase chain reaction mapping confirmed the localization of lux transposon Tn4431 300 bp downstream from the start o...

journal_title：Applied and environmental microbiology

authors： Menn FM,Applegate BM,Sayler GS

更新日期：1993-06-01 00:00:00

abstract：:Two different Cd(2+) uptake systems were identified in Lactobacillus plantarum. One is a high-affinity, high-velocity Mn(2+) uptake system which also takes up Cd(2+) and is induced by Mn(2+) starvation. The calculated K(m) and V(max) are 0.26 microM and 3.6 micromol g of dry cell(-1) min(-1), respectively. Unlike Mn(2...

journal_title：Applied and environmental microbiology

authors： Hao Z,Reiske HR,Wilson DB

更新日期：1999-11-01 00:00:00

abstract：:Spent sulfite liquor (SSL) is a waste effluent from sulfite pulping that contains monomeric sugars which can be fermented to ethanol. However, fermentative yeasts used for the fermentation of the sugars in SSL are adversely affected by the inhibitory substances in this complex feedstock. To overcome this limitation, e...

journal_title：Applied and environmental microbiology

authors： Pinel D,D'Aoust F,del Cardayre SB,Bajwa PK,Lee H,Martin VJ

更新日期：2011-07-01 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：:A bacterial strain able to transform iprodione was isolated from a fast iprodione-degrading soil by enrichment procedures. Transformation was detected through 3,5-dichloroaniline production as measured by a rapid colorimetric method. The strain, MA6, was tentatively identified as an Arthrobacter sp. When it was incuba...

journal_title：Applied and environmental microbiology

authors： Athiel P,Alfizar,Mercadier C,Vega D,Bastide J,Davet P,Brunel B,Cleyet-Marel JC

更新日期：1995-09-01 00:00:00

abstract：:Cowpea is a legume of great agronomic importance that establishes symbiotic relationships with nitrogen-fixing bacteria. However, little is known about the genetic and symbiotic diversity of these bacteria in distinct ecosystems. Our study evaluated the genetic diversity and symbiotic efficiencies of 119 bacterial str...

journal_title：Applied and environmental microbiology

authors： Azarias Guimarães A,Duque Jaramillo PM,Simão Abrahão Nóbrega R,Florentino LA,Barroso Silva K,de Souza Moreira FM

更新日期：2012-09-01 00:00:00

abstract：:beta-D-Galactosidase (EC 3.2.1.23) was extracted from Streptococcus thermophilus grown in deproteinized cheese whey. Cultural conditions optimum for maximum enzyme production were pH 7.0, 40 degrees C, and 24 h. Proteose peptone (2.0%, wt/vol) and corn steep liquor (2.8%, wt/vol) were highly stimulatory, increasing th...

journal_title：Applied and environmental microbiology

authors： Rao MV,Dutta SM

更新日期：1977-08-01 00:00:00

abstract：:The presence of neurotoxic species within the genus Alexandrium along the U.S. coastline has raised concern of potential poisoning through the consumption of contaminated seafood. Paralytic shellfish toxins (PSTs) detected in shellfish provide evidence that these harmful events have increased in frequency and severity...

journal_title：Applied and environmental microbiology

authors： Garneau MÈ,Schnetzer A,Countway PD,Jones AC,Seubert EL,Caron DA

更新日期：2011-11-01 00:00:00

abstract：:A new method for the rapid and sensitive detection of Legionella pneumophila in hot water systems has been developed. The method is based on an IF assay combined with detection by solid-phase cytometry. This method allowed the enumeration of L. pneumophila serogroup 1 and L. pneumophila serogroups 2 to 6, 8 to 10, and...

journal_title：Applied and environmental microbiology

authors： Aurell H,Catala P,Farge P,Wallet F,Le Brun M,Helbig JH,Jarraud S,Lebaron P

更新日期：2004-03-01 00:00:00

abstract：:Although research has increasingly focused on the pathogenesis of avian pathogenic Escherichia coli (APEC) infections and the "APEC pathotype" itself, little is known about the reservoirs of these bacteria. We therefore compared outbreak strains isolated from diseased chickens (n = 121) with nonoutbreak strains, inclu...

journal_title：Applied and environmental microbiology

authors： Ewers C,Antão EM,Diehl I,Philipp HC,Wieler LH

更新日期：2009-01-01 00:00:00

abstract：:Significant knowledge gaps exist in our understanding of Campylobacter jejuni contamination of the poultry production continuum. Microbiological surveillance and genotypic characterization were undertaken on C. jejuni isolates longitudinally recovered from three poultry farms (weekly samples), the abattoir at which bi...

journal_title：Applied and environmental microbiology

authors： Inglis GD,Ramezani N,Taboada EN,Boras VF,Uwiera RRE

更新日期：2021-01-15 00:00:00

abstract：:Restriction endonuclease fragment patterns of the deoxyribonucleic acid genomes of Autographa californica nuclear polyhedrosis virus (multiply embedded type) and Trichoplusia ni nuclear polyhedrosis virus (multiply embedded type) demonstrate that the two viruses are distinct but closely related variants. ...

journal_title：Applied and environmental microbiology

authors： Miller LK,Dawes KP

更新日期：1978-06-01 00:00:00

abstract：:An assembly consisting of Styrofoam cups with membranes of varying porosities was developed to study microorganism-root interactions. The assembly permitted uniform distribution of a bacterium in soil and was simple, easy to use, and disposable. In tests with the bacterium Pseudomonas solanacearum, little difference i...

journal_title：Applied and environmental microbiology

authors： Hartel PG,Billingsley JW,Williamson JW

更新日期：1989-05-01 00:00:00

abstract：:We investigated whether the yield of the B vitamin folic acid could be elevated in Bacillus subtilis. Strategies for increasing the folic acid yield were investigated by employing computer-aided flux analysis and mutation. Controlling the activity of the enzyme pyruvate kinase by placing it under inducible control was...

journal_title：Applied and environmental microbiology

authors： Zhu T,Pan Z,Domagalski N,Koepsel R,Ataai MM,Domach MM

更新日期：2005-11-01 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 bacterial strain (strain S5) which grows aerobically with the sulfonated azo compound 4-carboxy-4'-sulfoazobenzene as the sole source of carbon and energy was isolated. This strain was obtained by continuous adaptation of "Hydrogenophaga palleronii" S1, which has the ability to grow aerobically with 4-aminobenzenesu...

journal_title：Applied and environmental microbiology

authors： Blümel S,Contzen M,Lutz M,Stolz A,Knackmuss HJ

更新日期：1998-06-01 00:00:00

abstract：:The transposon Tn916 and self-mobilizing plasmid pAM beta 1 were conjugated from Enterococcus faecalis to the ruminal bacterium Streptococcus bovis JB1. Transconjugants were identified by resistance to tetracycline (Tn916) or erythromycin (pAM beta 1) and by Southern hybridization analyses. Transfer frequencies were 7...

journal_title：Applied and environmental microbiology

authors： Hespell RB,Whitehead TR

更新日期：1991-09-01 00:00:00

abstract：:The potential for aerobic methyl tert-butyl ether (MTBE) degradation was investigated with microcosms containing aquifer sediment and groundwater from four MTBE-contaminated sites characterized by oxygen-limited in situ conditions. MTBE depletion was observed for sediments from two sites (e.g., 4.5 mg/liter degraded i...

journal_title：Applied and environmental microbiology

authors： Kane SR,Beller HR,Legler TC,Koester CJ,Pinkart HC,Halden RU,Happel AM

更新日期：2001-12-01 00:00:00

abstract：:A bacterium, strain BIS-6, that grew aerobically on dimethylsulfoniopropionate (DMSP) was isolated from an intertidal mud sample. Strain BIS-6 quantitatively demethylated DMSP and 3-methiolpropionate to 3-mercaptopropionate. Strain BIS-6 was a versatile methylotroph growing on the osmolytes DMSP and glycine betaine an...

journal_title：Applied and environmental microbiology

authors： Visscher PT,Taylor BF

更新日期：1994-12-01 00:00:00

abstract：:Organic matter in sewage, soil, and aquatic systems may enhance or inhibit the infectivity of viruses associated with particulates (e.g., clay minerals, sediments). The purpose of this investigation was to identify the mechanisms whereby organic matter, in the form of defined proteins, affects the adsorption of reovir...

journal_title：Applied and environmental microbiology

authors： Lipson SM,Stotzky G

更新日期：1984-09-01 00:00:00

abstract：:Pseudomonas fluorescens is able to produce the medically and industrially important exopolysaccharide alginate. The proteins involved in alginate biosynthesis and secretion form a multiprotein complex spanning the inner and outer membranes. In the present study, we developed a method by which the porin AlgE was detect...

journal_title：Applied and environmental microbiology

authors： Maleki S,Almaas E,Zotchev S,Valla S,Ertesvåg H

更新日期：2015-12-11 00:00:00

abstract：:A new method is described in which the Salkowski reaction is used for the rapid selection of alkaloid-producing mutants of the ergot fungus. This method was used to investigate the influence of a second mutation with N-methyl-N'-nitro-N-nitrosoguanidine (NTG) on various mutants selected by a preliminary NTG mutation o...

journal_title：Applied and environmental microbiology

authors： Srikrai S,Robbers JE

更新日期：1983-04-01 00:00:00

abstract：:"Fingerprints" of strains of methanol-oxidizing bacteria were obtained by exposing them to a set of chemicals which could stimulate or inhibit the growth. The chemicals gave quantitative results, which were used to calculate the similarities between the strains. The method has been used for establishing identity or no...

journal_title：Applied and environmental microbiology

authors： Kühn I

更新日期：1978-11-01 00:00:00

abstract：:The genetic diversity of Borrelia burgdorferi sensu stricto, the agent of Lyme disease in North America, has consequences for the performance of serological diagnostic tests and disease severity. To investigate B. burgdorferi diversity in Canada, where Lyme disease is emerging, bacterial DNA in 309 infected adult Ixod...

journal_title：Applied and environmental microbiology

authors： Ogden NH,Margos G,Aanensen DM,Drebot MA,Feil EJ,Hanincová K,Schwartz I,Tyler S,Lindsay LR

更新日期：2011-05-01 00:00:00