Determination of the concentration of maltose- and starch-like compounds in drinking water by growth measurements with a well-defined strain of a Flavobacterium species.

abstract：:The effect of the glutathione reductase (GshR) activity of Lactobacillus sanfranciscensis DSM20451(T) on the thiol levels in fermented sourdoughs was determined, and the oxygen tolerance of the strain was also determined. The gshR gene coding for a putative GshR was sequenced and inactivated by single-crossover integr...

journal_title：Applied and environmental microbiology

authors： Jänsch A,Korakli M,Vogel RF,Gänzle MG

更新日期：2007-07-01 00:00:00

abstract：:In this work we investigated the antibacterial properties of differently shaped silver nanoparticles against the gram-negative bacterium Escherichia coli, both in liquid systems and on agar plates. Energy-filtering transmission electron microscopy images revealed considerable changes in the cell membranes upon treatme...

journal_title：Applied and environmental microbiology

authors： Pal S,Tak YK,Song JM

更新日期：2007-03-01 00:00:00

abstract：:In order to elucidate interactions between sulfate reduction and dechlorination, we systematically evaluated the effects of different concentrations of sulfate and sulfide on reductive dechlorination by isolates, constructed consortia, and enrichments containing Dehalococcoides sp. Sulfate (up to 5 mM) did not inhibit...

journal_title：Applied and environmental microbiology

authors： Mao X,Polasko A,Alvarez-Cohen L

更新日期：2017-03-31 00:00:00

abstract：:Xanthobacter flavus 14p1 was isolated from sludge of the river Mulde by selective enrichment with 1,4-dichlorobenzene as the sole source of carbon and energy. The bacterium did not use other aromatic or chloroaromatic compounds as growth substrates. During growth on 1,4-dichlorobenzene, stoichiometric amounts of chlor...

journal_title：Applied and environmental microbiology

authors： Spiess E,Sommer C,Görisch H

更新日期：1995-11-01 00:00:00

abstract：:Cell extracts of Trichoderma reesei exhibited dibasic endopeptidase activity toward the carboxylic side of KR, RR, and PR sequences. This activity was stimulated by the presence of Ca2+ ions and localized in vesicles of low bouyant density; it therefore exhibited some similarity to yeast Kex2. Analytical chromatofocus...

journal_title：Applied and environmental microbiology

authors： Goller SP,Schoisswohl D,Baron M,Parriche M,Kubicek CP

更新日期：1998-09-01 00:00:00

abstract：:Forty-seven strains representing 14 different Bacillus species isolated from clinical and food samples were grown in reconstituted infant milk formulae (IMF) and subsequently assessed for adherence to, invasion of, and cytotoxicity toward HEp-2 and Caco-2 cells. Cell-free supernatant fluids from 38 strains (81%) were ...

journal_title：Applied and environmental microbiology

authors： Rowan NJ,Deans K,Anderson JG,Gemmell CG,Hunter IS,Chaithong T

更新日期：2001-09-01 00:00:00

abstract：:We investigated the relationship between bacterioplankton production (BP), respiration (BR), and community composition measured by terminal restriction fragment length polymorphism in the southern North Sea over a seasonal cycle. Major changes in bacterioplankton richness were apparent from April to December. While ce...

journal_title：Applied and environmental microbiology

authors： Reinthaler T,Winter C,Herndl GJ

更新日期：2005-05-01 00:00:00

abstract：:Genetic optimizations to achieve high-level production of three different proteins of medical importance for humans, granulocyte-macrophage colony-stimulating factor (GM-CSF), interferon alpha 2b (IFN-alpha2b), and single-chain antibody variable fragment (scFv-phOx), were investigated during high-cell-density cultivat...

journal_title：Applied and environmental microbiology

authors： Sletta H,Tøndervik A,Hakvåg S,Aune TE,Nedal A,Aune R,Evensen G,Valla S,Ellingsen TE,Brautaset T

更新日期：2007-02-01 00:00:00

abstract：:The reporter transposon-based system TnFuZ was used to identify exported proteins of the animal pathogen Corynebacterium pseudotuberculosis. Thirty-four out of 1,500 mutants had detectable alkaline phosphatase (PhoZ) activity. This activity was from 21 C. pseudotuberculosis loci that code for fimbrial and transport su...

journal_title：Applied and environmental microbiology

authors： Dorella FA,Estevam EM,Pacheco LG,Guimarães CT,Lana UG,Gomes EA,Barsante MM,Oliveira SC,Meyer R,Miyoshi A,Azevedo V

更新日期：2006-11-01 00:00:00

abstract：:Culture-independent (PCR with Crenarchaeota-specific primers and subsequent denaturing gradient gel electrophoresis) and culture-dependent approaches were used to study the diversity of Crenarchaeota in terrestrial hot springs of the Kamchatka Peninsula and the Lake Baikal region (Russia) and of Iceland. Among the phy...

journal_title：Applied and environmental microbiology

authors： Perevalova AA,Kolganova TV,Birkeland NK,Schleper C,Bonch-Osmolovskaya EA,Lebedinsky AV

更新日期：2008-12-01 00:00:00

abstract：:Gram-positive Streptomyces bacteria produce thousands of bioactive secondary metabolites, including antibiotics. To systematically investigate genes affecting secondary metabolism, we developed a hyperactive transposase-based Tn5 transposition system and employed it to mutagenize the model species Streptomyces coelico...

journal_title：Applied and environmental microbiology

authors： Xu Z,Wang Y,Chater KF,Ou HY,Xu HH,Deng Z,Tao M

更新日期：2017-03-02 00:00:00

abstract：:The relationship between physiochemical surface parameters and adhesion of bacterial cells to negatively charged polystyrene was studied. Cell surface hydrophobicity and electrokinetic potential were determined by contact angle measurement and electrophoresis, respectively. Both parameters influence cell adhesion. The...

journal_title：Applied and environmental microbiology

authors： van Loosdrecht MC,Lyklema J,Norde W,Schraa G,Zehnder AJ

更新日期：1987-08-01 00:00:00

abstract：:Streptococcus mutans 6715-15 and Streptococcus sanguis 10558 were grown together in continuous culture with glucose as the limiting carbon source. The relationship of growth rate to substrate concentration was determined for pure cultures of each organism in continuous and batch cultures. A model based on competition ...

journal_title：Applied and environmental microbiology

authors： Kemp CW,Robrish SA,Curtis MA,Sharer SA,Bowen WH

更新日期：1983-04-01 00:00:00

abstract：:Recently, a new metabolic link between fatty acid de novo biosynthesis and biosynthesis of poly(3-hydroxy-alkanoate) consisting of medium-chain-length constituents (C(6) to C(14)) (PHA(MCL)), catalyzed by the 3-hydroxydecanoyl-[acyl-carrier-protein]:CoA transacylase (PhaG), has been identified in Pseudomonas putida (B...

journal_title：Applied and environmental microbiology

authors： Fiedler S,Steinbüchel A,Rehm BH

更新日期：2000-05-01 00:00:00

abstract：:The anoxygenic phototrophic bacterium Rhodopseudomonas palustris produces methane (CH4) from carbon dioxide (CO2) and hydrogen (H2) from protons (H+) when it expresses a variant form of molybdenum (Mo) nitrogenase that has two amino acid substitutions near its active site. We examined the influence of light energy and...

journal_title：Applied and environmental microbiology

authors： Zheng Y,Harwood CS

更新日期：2019-04-18 00:00:00

abstract：:The U.S. Environmental Protection Agency's information collection rule requires the use of 1MDS electropositive filters for concentrating enteric viruses from water, but unfortunately, these filters are not cost-effective for routine viral monitoring. In this study, an inexpensive electropositive cartridge filter, the...

journal_title：Applied and environmental microbiology

authors： Karim MR,Rhodes ER,Brinkman N,Wymer L,Fout GS

更新日期：2009-04-01 00:00:00

abstract：:The psychrotolerant acidophile Acidithiobacillus ferrivorans has been identified from cold environments and has been shown to use ferrous iron and inorganic sulfur compounds as its energy sources. A bioinformatic evaluation presented in this study suggested that Acidithiobacillus ferrivorans utilized a ferrous iron ox...

journal_title：Applied and environmental microbiology

authors： Liljeqvist M,Rzhepishevska OI,Dopson M

更新日期：2013-02-01 00:00:00

abstract：:Most strains of Butyrivibrio fibrisolvens are known to produce extracellular polysaccharides (EPs). However, the rheological and functional properties of these EPs have not been determined. Initially, 26 strains of Butyrivibrio were screened for EP yield and apparent viscosities of cell-free supernatants. Yields range...

journal_title：Applied and environmental microbiology

authors： Ha YW,Stack RJ,Hespell RB,Gordon SH,Bothast RJ

更新日期：1991-07-01 00:00:00

abstract：:A four-step flavanone biosynthetic pathway was constructed and introduced into Saccharomyces cerevisiae. The recombinant yeast strain was fed with phenylpropanoid acids and produced the flavanones naringenin and pinocembrin 62 and 22 times more efficiently compared to previously reported recombinant prokaryotic strain...

journal_title：Applied and environmental microbiology

authors： Yan Y,Kohli A,Koffas MA

更新日期：2005-09-01 00:00:00

abstract：:Biofilm-associated bacteria are less sensitive to antibiotics than free-living (planktonic) cells. Furthermore, with variations in the concentration of antibiotics throughout a biofilm, microbial cells are often exposed to levels below inhibitory concentrations and may develop resistance. This, as well as the irrespon...

journal_title：Applied and environmental microbiology

authors： Algburi A,Comito N,Kashtanov D,Dicks LMT,Chikindas ML

更新日期：2017-01-17 00:00:00

abstract：:To examine the relationship between activated-sludge bulking and levels of specific filamentous bacteria, we developed a statistics-based quantification method for estimating the biomass levels of specific filaments using 16S rRNA-targeted fluorescent in situ hybridization (FISH) probes. The results of quantitative FI...

journal_title：Applied and environmental microbiology

authors： Liao J,Lou I,de los Reyes FL 3rd

更新日期：2004-04-01 00:00:00

abstract：:The metabolism of aflatoxin B1 to aflatoxins M1 and Q1 by rat liver microsomes from animals pretreated with polychlorinated or polybrominated biphenyl congeners depended on the structure of the halogenated biphenyl inducers. Microsomes from rats treated with phenobarbital (PB) or halogenated biphenyls that exhibit PB-...

journal_title：Applied and environmental microbiology

authors： Halvorson MR,Phillips TD,Safe SH,Robertson LW

更新日期：1985-04-01 00:00:00

abstract：:We have developed a program that can accurately analyze the dynamic properties of tethered bacterial cells. The program works especially well with cells that tend to give rise to unstable rotations, such as polar-flagellated bacteria. The program has two novel components. The first dynamically adjusts the center of th...

journal_title：Applied and environmental microbiology

authors： Qian C,Wong CC,Swarup S,Chiam KH

更新日期：2013-08-01 00:00:00

abstract：:Gonometa podocarpi is an important pest of several species of pine in East Africa, and large numbers of trees in plantations in Kenya were partially or completely defoliated by the larval stage of this insect. After the infestation in the Mt. Elgon region, large numbers of dead and moribund larvae were found on the gr...

journal_title：Applied and environmental microbiology

authors： Moore NF,Armstrong T,Green B,Brown D,Hibbin J,Kelly DC,Tinsley TW,Aloo TC

更新日期：1981-08-01 00:00:00

abstract：:Previous work has shown that Trametes (Coriolus) versicolor bleaches kraft pulp brownstock with the concomitant release of methanol. In this work, the fungus is shown to produce both laccase and manganese peroxidase (MnP) but not lignin peroxidase during pulp bleaching. MnP production was enhanced by the presence of p...

journal_title：Applied and environmental microbiology

authors： Paice MG,Reid ID,Bourbonnais R,Archibald FS,Jurasek L

更新日期：1993-01-01 00:00:00

abstract：:The luminescence signal of luxAB-encoded bacterial luciferase strongly depends on the metabolic state of the host cell, which restricts the use of this reporter system to metabolically active bacteria. Here we show that in stationary-phase cells of Lactococcus lactis, detection of luciferase is significantly improved ...

journal_title：Applied and environmental microbiology

authors： Bachmann H,Santos F,Kleerebezem M,van Hylckama Vlieg JE

更新日期：2007-07-01 00:00:00

abstract：:The kinetics of the enzymatic formation of 7,8-epoxy-1-octene, 1,2-7,8-diepoxyoctane, and 1,2-epoxyoctane by growing and resting cell suspensions of Pseudomonas oleovorans are described. Formation of 1,2-epoxyoctane occurs concurrently with exponential growth on 1-octene, providing that 1-octene is in excess. Conversi...

journal_title：Applied and environmental microbiology

authors： Schwartz RD,McCoy CJ

更新日期：1976-01-01 00:00:00

abstract：:Ticks are important vectors for many emerging pathogens. However, they are also infected with many symbionts and commensals, often competing for the same niches. In this paper, we characterize the microbiome of Amblyomma americanum (Acari: Ixodidae), the lone star tick, in order to better understand the evolutionary r...

journal_title：Applied and environmental microbiology

authors： Ponnusamy L,Gonzalez A,Van Treuren W,Weiss S,Parobek CM,Juliano JJ,Knight R,Roe RM,Apperson CS,Meshnick SR

更新日期：2014-01-01 00:00:00

abstract：:Bacteria in the genus Streptomyces and its close relatives are prolific producers of secondary metabolites with antibiotic activity. Genome sequencing of these bacteria has revealed a rich source of potentially new antibiotic pathways, whose products have never been observed. Moreover, these new pathways can provide n...

journal_title：Applied and environmental microbiology

authors： Fayed B,Ashford DA,Hashem AM,Amin MA,El Gazayerly ON,Gregory MA,Smith MC

更新日期：2015-12-01 00:00:00

abstract：:Matrix-assisted laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF MS) has been used to identify bacteria based upon protein signatures. This research shows that while some different proteins are produced by vegetative bacteria when they are cultured in different growth media, positive identificat...

journal_title：Applied and environmental microbiology

authors： Valentine N,Wunschel S,Wunschel D,Petersen C,Wahl K

更新日期：2005-01-01 00:00:00