Some chemical and physical properties of extracellular polysaccharides produced by Butyrivibrio fibrisolvens strains.

abstract：:Two gram-positive, strictly anoxic, coccoid- to rod-shaped strains of bacteria, Clostridium coccoides 1410 and C. coccoides 3110, were isolated from human feces on the typical homoacetogenic substrates formate plus H2 plus CO2 (strain 1410) and vanillate plus H2 plus CO2 (strain 3110) in the presence of 2-bromoethanes...

journal_title：Applied and environmental microbiology

authors： Kamlage B,Gruhl B,Blaut M

更新日期：1997-05-01 00:00:00

abstract：:Studies of time-dependent drug and environmental effects on single, live bacterial cells would benefit significantly from a permeable, nonperturbative, long-lived fluorescent stain specific to the nucleoids (chromosomal DNA). The ideal stain would not affect cell growth rate or nucleoid morphology and dynamics, even d...

journal_title：Applied and environmental microbiology

authors： Bakshi S,Choi H,Rangarajan N,Barns KJ,Bratton BP,Weisshaar JC

更新日期：2014-08-01 00:00:00

abstract：:The pediocin-like bacteriocins, produced by lactic acid bacteria, are bactericidal polypeptides with very similar primary structures. Peptide synthesis followed by reverse-phase and ion-exchange chromatographies yielded biologically active pediocin-like bacteriocins in amounts and with a purity sufficient for characte...

journal_title：Applied and environmental microbiology

authors： Fimland G,Blingsmo OR,Sletten K,Jung G,Nes IF,Nissen-Meyer J

更新日期：1996-09-01 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：:The rate of uptake of propanoic acid and the cell dimensions were measured for 23 yeasts differing in their resistance to weak-acid-type preservatives. Relationships between reciprocal uptake rate, reciprocal permeability, cell volume, cell area, volume/area, and the MICs of benzoic acid and propanoic acid for the yea...

journal_title：Applied and environmental microbiology

authors： Warth AD

更新日期：1989-11-01 00:00:00

abstract：:The oral biofilm community consists of >800 microbial species, among which Streptococcus mutans is considered a primary pathogen for dental caries. The genomic island TnSmu2 of S. mutans comprises >2% of the genome. In this study, we demonstrate that TnSmu2 harbors a gene cluster encoding nonribosomal peptide syntheta...

journal_title：Applied and environmental microbiology

authors： Wu C,Cichewicz R,Li Y,Liu J,Roe B,Ferretti J,Merritt J,Qi F

更新日期：2010-09-01 00:00:00

abstract：:The size frequency distribution of planktonic cells of purple sulfur phototrophic bacteria was measured at several depths in a bacterial layer of Lake Cisó (Spain). The bacterioplankton was dominated by Chromatium minus (87 to 94% of the total biomass). The largest cells of C. minus were found in the top part of the b...

journal_title：Applied and environmental microbiology

authors： Montesinos E

更新日期：1987-04-01 00:00:00

abstract：:A lambda recombinant phage expressing beta-mannanase activity in Escherichia coli has been isolated from a genomic library of the extremely thermophilic anaerobe "Caldocellum saccharolyticum." The gene was cloned into pBR322 on a 5-kb BamHI fragment, and its location was obtained by deletion analysis. The sequence of ...

journal_title：Applied and environmental microbiology

authors： Lüthi E,Jasmat NB,Grayling RA,Love DR,Bergquist PL

更新日期：1991-03-01 00:00:00

abstract：:This study was initiated to determine if reduced sulfur contained in coal gasifier ash and slag was available for microbial and chemical oxidation because eventual large-quantity landfill disposal of these solid wastes is expected. Continuous application of distilled water to a column containing a high-sulfur-content ...

journal_title：Applied and environmental microbiology

authors： Strayer RF,Davis EC

更新日期：1983-03-01 00:00:00

abstract：:Flavonoids are 15-carbon plant secondary metabolites exuded in the rhizosphere that hosts several flavonoid-degrading bacteria. We studied flavonoid catabolism in a plant growth-promoting rhizobacterial strain of Pseudomonas by using a combination of biochemical and genetic approaches. Transposants carrying mini-Tn5gf...

journal_title：Applied and environmental microbiology

authors： Pillai BV,Swarup S

更新日期：2002-01-01 00:00:00

abstract：:During the summer of 1981, 3,887 sucrose-negative vibrios were isolated from seawater, sediment, plankton, and animal samples taken from 80 sites from Miami, Fla., to Portland, Maine. Of these, 4.2% were able to ferment lactose. The lactose-positive strains isolated from the various samples correlated positively with ...

journal_title：Applied and environmental microbiology

authors： Oliver JD,Warner RA,Cleland DR

更新日期：1983-03-01 00:00:00

abstract：:Heat-treated cells of Rhizobium leguminosarum biovar trifolii strain 162X95 were used to produce monoclonal antibodies (MAbs). The fusion produced three cross-reactive MAbs and eight MAbs specific for the immunizing strain and a group of five other R. trifolii strains from the same geographic region where 162X95 was i...

journal_title：Applied and environmental microbiology

authors： Wright SF

更新日期：1990-07-01 00:00:00

abstract：:We have cloned and sequenced the Cercospora nicotianae gene for the carotenoid biosynthetic enzyme phytoene dehydrogenase. Analysis of the derived amino acid sequence revealed it has greater than 50% identity with its counterpart in Neurospora crassa and approximately 30% identity with prokaryotic phytoene dehydrogena...

journal_title：Applied and environmental microbiology

authors： Ehrenshaft M,Daub ME

更新日期：1994-08-01 00:00:00

abstract：:Previously, we demonstrated conjugal transfer of a specially constructed shuttle vector, pRDB5, from the human colonic anaerobe Bacteroides uniformis to the ruminal anaerobe Prevotella (Bacteroides) ruminicola B(1)4. We have now shown that naturally occurring gene transfer elements in Bacteroides species and Prevotell...

journal_title：Applied and environmental microbiology

authors： Shoemaker NB,Wang GR,Salyers AA

更新日期：1992-04-01 00:00:00

abstract：:Vibrio vulnificus biotype 2 is a primary pathogen for eels and, as has recently been suggested, an opportunistic pathogen for humans. In this study we have investigated the ability of V. vulnificus biotype 2 to obtain iron by siderophore-mediated mechanisms and evaluated the importance of free iron in vibriosis. The v...

journal_title：Applied and environmental microbiology

authors： Biosca EG,Fouz B,Alcaide E,Amaro C

更新日期：1996-03-01 00:00:00

abstract：:Microbial partners play important roles in the biology and ecology of animals. In insects, maternally transmitted symbionts are especially common and can have host effects ranging from reproductive manipulation to nutrient provisioning and defense against natural enemies. In this study, we report a genus-wide associat...

journal_title：Applied and environmental microbiology

authors： Ballinger MJ,Moore LD,Perlman SJ

更新日期：2018-01-31 00:00:00

abstract：:The D-values of Bacillus pumilus spores on various devices ranged from 0.14 to 0.23 Mrads. The majority of devices displayed D-values equal to or less than the value obtained on filter paper. Increased resistivity was also encountered. ...

journal_title：Applied and environmental microbiology

authors： Prince HN

更新日期：1978-08-01 00:00:00

abstract：:Biofilms were grown from wild-type (WT) Pseudomonas aeruginosa PAO1 and the cell signaling lasI mutant PAO1-JP1 under laminar and turbulent flows to investigate the relative contributions of hydrodynamics and cell signaling for biofilm formation. Various biofilm morphological parameters were quantified using Image Str...

journal_title：Applied and environmental microbiology

authors： Purevdorj B,Costerton JW,Stoodley P

更新日期：2002-09-01 00:00:00

abstract：:We have used a sintered glass bead core to simulate the spaces and surfaces of reservoir rock in studies of the bacterial plugging phenomenon that affects waterflood oil recovery operations. The passage of pure or mixed natural populations of bacteria through this solid matrix was initially seen to promote the formati...

journal_title：Applied and environmental microbiology

authors： Shaw JC,Bramhill B,Wardlaw NC,Costerton JW

更新日期：1985-03-01 00:00:00

abstract：:We determined the effects of grain size and nutritional conditions on the penetration rate and metabolic activity of Escherichia coli strains in anaerobic, nutrient-saturated chambers packed with different sizes of glass beads (diameters, 116 to 767 mum) under static conditions. The chambers had nearly equal porositie...

journal_title：Applied and environmental microbiology

authors： Sharma PK,McInerney MJ

更新日期：1994-05-01 00:00:00

abstract：:Many pathogenic yeast species are asexual and therefore not involved in intra- or interspecies mating. However, high-frequency transfer of plasmid DNA was observed when pathogenic and food-borne yeasts were grown together. This property could play a crucial role in the spread of virulence and drug resistance factors a...

journal_title：Applied and environmental microbiology

authors： Mentel M,Spírek M,Jørck-Ramberg D,Piskur J

更新日期：2006-07-01 00:00:00

abstract：:Ticks are important disease vectors, as they transmit a variety of human and animal pathogens worldwide. Symbionts that coevolved with ticks confer crucial benefits to their host in nutrition metabolism, fecundity, and vector competence. Although over 100 tick species have been identified in China, general information...

journal_title：Applied and environmental microbiology

authors： Wang M,Zhu D,Dai J,Zhong Z,Zhang Y,Wang J

更新日期：2018-05-01 00:00:00

abstract：:The effect of the washing aid T-128 (generally recognized as safe [GRAS] formulation, composed mainly of phosphoric acid and propylene glycol) on inactivation of Salmonella and Pseudomonas populations in biofilms on stainless steel was evaluated under conditions of increasing organic matter loads in chlorinated wash s...

journal_title：Applied and environmental microbiology

authors： Shen C,Luo Y,Nou X,Bauchan G,Zhou B,Wang Q,Millner P

更新日期：2012-10-01 00:00:00

abstract：:We have developed a tool for controlled expression of heterologous or ectopic genes in the chestnut pathogen Cryphonectria parasitica using the promoter region from a putative copper-regulated transporter gene. In addition, we have found that expression control via this system is not affected by the virulence-attenuat...

journal_title：Applied and environmental microbiology

authors： Willyerd KL,Kemp AM,Dawe AL

更新日期：2009-08-01 00:00:00

abstract：:This study describes the optimization of PCR parameters and testing of a wide number of microbial species to establish a highly specific and sensitive PCR-based method of detection of a newly emerged pandemic Vibrio parahaemolyticus O3:K6 strain in pure cultures and seeded waters from the Gulf of Mexico (gulf water). ...

journal_title：Applied and environmental microbiology

authors： Myers ML,Panicker G,Bej AK

更新日期：2003-04-01 00:00:00

abstract：:Phages play a key role in the marine environment by regulating the transfer of energy between trophic levels and influencing global carbon and nutrient cycles. The diversity of marine phage communities remains difficult to characterize because of the lack of a signature gene common to all phages. Recent studies have d...

journal_title：Applied and environmental microbiology

authors： Goldsmith DB,Crosti G,Dwivedi B,McDaniel LD,Varsani A,Suttle CA,Weinbauer MG,Sandaa RA,Breitbart M

更新日期：2011-11-01 00:00:00

abstract：:The human gut is host to a diversity of microorganisms, including the single-celled microbial eukaryote Blastocystis. Research has shown that most carriers host a single Blastocystis subtype (ST), which is unusual given the considerable within-host species diversity observed for other microbial genera in this ecosyste...

journal_title：Applied and environmental microbiology

authors： Scanlan PD,Stensvold CR,Cotter PD

更新日期：2015-06-15 00:00:00

abstract：:Stability of the plasmid pKK223-200 in Escherichia coli JM105 was studied for both free and immobilized cells during continuous culture. The relationship between plasmid copy number, xylanase activity, which was coded for by the plasmid, and growth rate and culture conditions involved complex interactions which determ...

journal_title：Applied and environmental microbiology

authors： de Taxis du Poët P,Arcand Y,Bernier R Jr,Barbotin JN,Thomas D

更新日期：1987-07-01 00:00:00

abstract：:1,2-Dibromoethane (EDB), which is a groundwater contaminant in areas where it was once used as a soil fumigant, was shown to be degraded aerobically by microorganisms in two types of surface soils from an EDB-contaminated groundwater discharge area. At initial concentrations of 6 to 8 mug/liter, EDB was degraded in a ...

journal_title：Applied and environmental microbiology

authors： Pignatello JJ

更新日期：1986-03-01 00:00:00

abstract：:Genetic test systems involving microorganisms and liver enzyme preparations may be insufficient to detect compounds that require breakdown by enzymes provided by the microbial flora of the intestinal tract. A method is described for providing such activation and for simultaneously testing the potential genetic activit...

journal_title：Applied and environmental microbiology

authors： Mayer VW,Goin CJ

更新日期：1983-02-01 00:00:00