Bacteriophages active against Bacteroides fragilis in sewage-polluted waters.

abstract：:We designed experiments to assess the effect of chlorine injury on the virulence of waterborne enteropathogens. Higher chlorine doses (0.9 to 1.5 mg/liter) were necessary to produce injured Yersinia enterocolitica, Salmonella typhimurium, and Shigella spp. than to produce injured enterotoxigenic Escherichia coli or co...

journal_title：Applied and environmental microbiology

authors： LeChevallier MW,Singh A,Schiemann DA,McFeters GA

更新日期：1985-08-01 00:00:00

abstract：:We investigated the prevalence of sapoviruses (SaVs) in the Tamagawa River in Japan from April 2003 to March 2004 and performed genetic analysis of the SaV genes identified in river water. A total of 60 river water samples were collected from five sites along the river, and 500 ml was concentrated using the cation-coa...

journal_title：Applied and environmental microbiology

authors： Kitajima M,Oka T,Haramoto E,Katayama H,Takeda N,Katayama K,Ohgaki S

更新日期：2010-04-01 00:00:00

abstract：:Piriformospora indica (Hymenomycetes, Basidiomycota) is a newly described cultivable endophyte that colonizes roots. Inoculation with the fungus and application of fungal culture filtrate promotes plant growth and biomass production. Due to its ease of culture, this fungus provides a model organism for the study of be...

journal_title：Applied and environmental microbiology

authors： Varma A,Savita Verma,Sudha,Sahay N,Butehorn B,Franken P

更新日期：1999-06-01 00:00:00

abstract：:A novel Bacillus thuringiensis crystal protein with a silent activity against the Colorado potato beetle is described. The crystal proteins are produced as bipyramidal crystals. These crystals contain a protein of 129 kDa with a trypsin-resistant core fragment of 72 kDa. Neither a spore-crystal mixture nor in vitro-so...

journal_title：Applied and environmental microbiology

authors： Lambert B,Höfte H,Annys K,Jansens S,Soetaert P,Peferoen M

更新日期：1992-08-01 00:00:00

abstract：:Streptococcus iniae is a major pathogen of fish, producing fatal disease among fish species living in very diverse environments. Recently, reoccurrences of disease outbreaks were recorded in rainbow trout (Oncorhynchus mykiss, Walbaum) farms where the entire fish population was routinely vaccinated. New strains are di...

journal_title：Applied and environmental microbiology

authors： Eyngor M,Tekoah Y,Shapira R,Hurvitz A,Zlotkin A,Lublin A,Eldar A

更新日期：2008-11-01 00:00:00

abstract：:The anti-norovirus (anti-NoV) effect of grape seed extract (GSE) was examined by plaque assay for murine norovirus 1 (MNV-1), cell-binding reverse transcription-PCR for human NoV GII.4, and saliva-binding enzyme-linked immunosorbent assay for human NoV GII.4 P particles, with or without the presence of interfering sub...

journal_title：Applied and environmental microbiology

authors： Li D,Baert L,Zhang D,Xia M,Zhong W,Van Coillie E,Jiang X,Uyttendaele M

更新日期：2012-11-01 00:00:00

abstract：:The expression pattern of manganese peroxidases (MnPs) in nitrogen-limited cultures of the saline-tolerant fungus Phlebia sp. strain MG-60 is differentially regulated under hypersaline conditions at the mRNA level. When MG-60 was cultured in nitrogen-limited medium (LNM) containing 3% (wt/vol) sea salts (LN-SSM), high...

journal_title：Applied and environmental microbiology

authors： Kamei I,Daikoku C,Tsutsumi Y,Kondo R

更新日期：2008-05-01 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：:Fluorescent antibodies (FAs) prepared against 16 ammonia-oxidizing nitrifying bacteria were examined as to cross-reactivity in heterologous FA staining tests. Virtually all cross-reactions to the seven Nitrosomonas FAs were confined to the Nitrosomonas isolates. The five Nitrosospira, three Nitrosolobus, and one Nitro...

journal_title：Applied and environmental microbiology

authors： Belser LW,Schmidt EL

更新日期：1978-10-01 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

abstract：:Thirty years of intensive research have significantly contributed to our understanding of Helicobacter pylori biology and pathogenesis. However, the lack of convenient genetic tools, in particular the limited effectiveness of available reporter systems, has notably limited the toolbox for fundamental and applied studi...

journal_title：Applied and environmental microbiology

authors： Vannini A,Agriesti F,Mosca F,Roncarati D,Scarlato V,Danielli A

更新日期：2012-09-01 00:00:00

abstract：UNLABELLED:By combining genomics and isotope imaging analysis using high-resolution secondary ion mass spectrometry (NanoSIMS), we examined the function and evolution of Bacteroidales ectosymbionts of the protist Barbulanympha from the hindguts of the wood-eating cockroach Cryptocercus punctulatus In particular, we inv...

journal_title：Applied and environmental microbiology

authors： Tai V,Carpenter KJ,Weber PK,Nalepa CA,Perlman SJ,Keeling PJ

更新日期：2016-07-15 00:00:00

abstract：:In the past 10 years, the number of endosymbionts described within the bacterial order Rickettsiales has constantly grown. Since 2006, 18 novel Rickettsiales genera inhabiting protists, such as ciliates and amoebae, have been described. In this work, we characterize two novel bacterial endosymbionts from Paramecium co...

journal_title：Applied and environmental microbiology

authors： Szokoli F,Castelli M,Sabaneyeva E,Schrallhammer M,Krenek S,Doak TG,Berendonk TU,Petroni G

更新日期：2016-11-21 00:00:00

abstract：:We describe a new enzymatic functionality for the surface layer (S-layer) of Lactobacillus acidophilus ATCC 4356, namely, an endopeptidase activity against the cell wall of Salmonella enterica serovar Newport, assayed via zymograms and identified by Western blotting. Based on amino acid sequence comparisons, the hydro...

journal_title：Applied and environmental microbiology

authors： Prado Acosta M,Mercedes Palomino M,Allievi MC,Sanchez Rivas C,Ruzal SM

更新日期：2008-12-01 00:00:00

abstract：:Three cases of Mycobacterium avium complex-related lung disorders were associated with two poorly maintained spa pools by genotypic investigations. Inadequate disinfection of the two spas had reduced the load of environmental bacteria to less than 1 CFU/ml but allowed levels of M. avium complex of 4.3 x 10(4) and 4.5 ...

journal_title：Applied and environmental microbiology

authors： Lumb R,Stapledon R,Scroop A,Bond P,Cunliffe D,Goodwin A,Doyle R,Bastian I

更新日期：2004-08-01 00:00:00

abstract：:The use of bioluminescence as a sensitive marker for detection of Pseudomonas spp. in the rhizosphere was investigated. Continuous expression of the luxCDABE genes, required for bioluminescence, was not detectable in the rhizosphere. However, when either a naphthalene-inducible luxCDABE construct or a constitutive lux...

journal_title：Applied and environmental microbiology

authors： de Weger LA,Dunbar P,Mahafee WF,Lugtenberg BJ,Sayler GS

更新日期：1991-12-01 00:00:00

abstract：:While some species in the Bacillus cereus group are well-characterized human pathogens (e.g., B. anthracis and B. cereus sensu stricto), the pathogenicity of other species (e.g., B. pseudomycoides) either has not been characterized or is presently not well understood. To provide an updated characterization of the path...

journal_title：Applied and environmental microbiology

authors： Miller RA,Jian J,Beno SM,Wiedmann M,Kovac J

更新日期：2018-03-01 00:00:00

abstract：:1-Hydroxybenzotriazole, violuric acid, and N-hydroxyacetanilide are three N-OH compounds capable of mediating a range of laccase-catalyzed biotransformations, such as paper pulp delignification and degradation of polycyclic hydrocarbons. The mechanism of their enzymatic oxidation was studied with seven fungal laccases...

journal_title：Applied and environmental microbiology

authors： Xu F,Kulys JJ,Duke K,Li K,Krikstopaitis K,Deussen HJ,Abbate E,Galinyte V,Schneider P

更新日期：2000-05-01 00:00:00

abstract：:Methanogenic isolates did not consume hydrogen below partial pressures of 6.5 Pa. Thus, in contrast to a previous report, results from pure-culture studies do not invalidate the threshold model for methane production from hydrogen in sediments. ...

journal_title：Applied and environmental microbiology

authors： Lovley DR

更新日期：1985-06-01 00:00:00

abstract：:Portions of published procedures for measurement of ergosterol content of decomposing plants were examined for their influence upon ergosterol yield. Common methods of treatment of plant samples prior to sterol extraction (e.g., oven drying, freezing, lyophilization) led to reduced recoveries of ergosterol (ca. 20 to ...

journal_title：Applied and environmental microbiology

authors： Newell SY,Arsuffi TL,Fallon RD

更新日期：1988-07-01 00:00:00

abstract：:Pellet softening reactors are used in centralized and decentralized drinking water treatment plants for the removal of calcium (hardness) through chemically induced precipitation of calcite. This is accomplished in fluidized pellet reactors, where a strong base is added to the influent to increase the pH and facilitat...

journal_title：Applied and environmental microbiology

authors： Hammes F,Boon N,Vital M,Ross P,Magic-Knezev A,Dignum M

更新日期：2011-02-01 00:00:00

abstract：:The objective of this study was to explore the long-term effects of different organic and inorganic fertilizers on activity and composition of the denitrifying and total bacterial communities in arable soil. Soil from the following six treatments was analyzed in an experimental field site established in 1956: cattle m...

journal_title：Applied and environmental microbiology

authors： Enwall K,Philippot L,Hallin S

更新日期：2005-12-01 00:00:00

abstract：:Recent physiological work has shown that the filamentous euendolithic cyanobacterium Mastigocoleus testarum (strain BC008) is able to bore into solid carbonates using Ca²⁺-ATPases to take up Ca²⁺ from the medium at the excavation front, promoting dissolution of CaCO₃ there. It is not known, however, if this is a wides...

journal_title：Applied and environmental microbiology

authors： Ramírez-Reinat EL,Garcia-Pichel F

更新日期：2012-01-01 00:00:00

abstract：:A modified mariner transposon, miniHimar RB1, was generated to mutagenize cells of the metal-reducing bacterium Shewanella oneidensis. The use of this transposon led to the isolation of stable mutants and allowed rapid identification of disrupted genes. Fifty-eight mutants, including BG104 and BG148 with transposon in...

journal_title：Applied and environmental microbiology

authors： Bouhenni R,Gehrke A,Saffarini D

更新日期：2005-08-01 00:00:00

abstract：:Glutathione was found in several dairy Lactococcus lactis strains grown in M17 medium. None of these strains was able to synthesize glutathione. In chemically defined medium, L. lactis subsp. cremoris strain SK11 was able to accumulate up to approximately 60 mM glutathione when this compound was added to the medium. S...

journal_title：Applied and environmental microbiology

authors： Li Y,Hugenholtz J,Abee T,Molenaar D

更新日期：2003-10-01 00:00:00

abstract：:Although many Lactobacillus strains used as probiotics are believed to modulate host immune responses, the molecular natures of the components of such probiotic microorganisms directly involved in immune modulation process are largely unknown. We aimed to assess the function of polysaccharide moiety of the cell wall o...

journal_title：Applied and environmental microbiology

authors： Yasuda E,Serata M,Sako T

更新日期：2008-08-01 00:00:00

abstract：:Formation of the lateral flagella by Vibrio parahaemolyticus was inhibited under an alkaline condition of the medium. However, flagellation of the polar monotrichous flagellum was not affected in the same condition. Flagellation of the lateral flagella depended on the pH of the medium. ...

journal_title：Applied and environmental microbiology

authors： Kimura K,Tateiri S,Iida H

更新日期：1979-06-01 00:00:00

abstract：:In Pseudomonas fluorescens CHA0, mutation of the GacA-controlled aprA gene (encoding the major extracellular protease) or the gacA regulatory gene resulted in reduced biocontrol activity against the root-knot nematode Meloidogyne incognita during tomato and soybean infection. Culture supernatants of strain CHA0 inhibi...

journal_title：Applied and environmental microbiology

authors： Siddiqui IA,Haas D,Heeb S

更新日期：2005-09-01 00:00:00

abstract：:Adsorbed bovine serum albumin was resistant to exchange with beta-lactoglobulin, and when albumin was adsorbed from a mixture, its surface concentration increased with time. The passivating character of adsorbed albumin and its resistance to desorption were consistent with the level of Listeria monocytogenes adhesion ...

journal_title：Applied and environmental microbiology

authors： al-Makhlafi H,Nasir A,McGuire J,Daeschel M

更新日期：1995-05-01 00:00:00

abstract：:Unlike general peroxidases, Pleurotus ostreatus MnP2 was reported to have a unique property of direct oxidization of high-molecular-weight compounds, such as Poly R-478 and RNase A. To elucidate the mechanism for oxidation of polymeric substrates by MnP2, a series of mutant enzymes were produced by using a homologous ...

journal_title：Applied and environmental microbiology

authors： Tsukihara T,Honda Y,Sakai R,Watanabe T,Watanabe T

更新日期：2008-05-01 00:00:00