Regulation of aflR and its product, AflR, associated with aflatoxin biosynthesis.

abstract：:Genomic probes were used to investigate hepatitis A virus (HAV) and enterovirus RNAs in two types of shellfish from natural beds (Atlantic coast, France). After elution concentration, nucleic acid extracted by proteinase K and purified by phenol-chloroform and ethanol precipitation was assayed by dot blot hybridizatio...

journal_title：Applied and environmental microbiology

authors： Le Guyader F,Apaire-Marchais V,Brillet J,Billaudel S

更新日期：1993-11-01 00:00:00

abstract：:Phenanthrene-degrading bacteria were isolated from a 1-m2 intertidal sediment site in Boston Harbor. Samples were taken six times over 2 years. A total of 432 bacteria were isolated and characterized by biochemical testing. When clustered on the basis of phenotypic characteristics, the isolates could be separated into...

journal_title：Applied and environmental microbiology

authors： Berardesco G,Dyhrman S,Gallagher E,Shiaris MP

更新日期：1998-07-01 00:00:00

abstract：:Respiration rates of bacterial cultures can be a powerful tool in gauging the effects of genetic manipulation and environmental changes affecting overall metabolism. We present an optical method for measuring respiration rates using a robust phosphorescence lifetime-based sensor and off-the-shelf technology. This meth...

journal_title：Applied and environmental microbiology

authors： Strovas TJ,Dragavon JM,Hankins TJ,Callis JB,Burgess LW,Lidstrom ME

更新日期：2006-02-01 00:00:00

abstract：:Seventeen bacteriophages, active against 19 Arthrobacter soil isolates, were isolated from concentrated samples of river water and sewage. Attempts to isolate Arthrobacter bacteriophages from filtrates of broth cultures of the soil isolates or from ultraviolet light-irradiated cultures were unsuccessful. Bacteriophage...

journal_title：Applied and environmental microbiology

authors： Brown DR,Holt JG,Pattee PA

更新日期：1978-01-01 00:00:00

abstract：:The neutral red (NR) cell viability assay was used with various cell types of human origin to quantitate the potency of T-2 mycotoxin and its metabolites. The human melanoma SK-Mel/27 cell line was the most sensitive, with a midpoint cytotoxicity value of 2.8 ng of T-2 per ml. With the human hepatoma cell line, HepG2,...

journal_title：Applied and environmental microbiology

authors： Babich H,Borenfreund E

更新日期：1991-07-01 00:00:00

abstract：:The Chloroflexi CL500-11 clade contributes a large proportion of the bacterial biomass in the oxygenated hypolimnia of deep lakes worldwide, including the world's largest freshwater system, the Laurentian Great Lakes. Traits that allow CL500-11 to thrive and its biogeochemical role in these environments are currently ...

journal_title：Applied and environmental microbiology

authors： Denef VJ,Mueller RS,Chiang E,Liebig JR,Vanderploeg HA

更新日期：2015-12-18 00:00:00

abstract：:Soil microbial community characterization is increasingly being used to determine the responses of soils to stress and disturbances and to assess ecosystem sustainability. However, there is little experimental evidence to indicate that predictable patterns in microbial community structure or composition occur during s...

journal_title：Applied and environmental microbiology

authors： Banning NC,Gleeson DB,Grigg AH,Grant CD,Andersen GL,Brodie EL,Murphy DV

更新日期：2011-09-01 00:00:00

abstract：:The frequency of recovery of atypical mycobacteria was estimated in two treatment plants providing drinking water to Paris, France, at some intermediate stages of treatment. The two plants use two different filtration processes, rapid and slow sand filtration. Our results suggest that slow sand filtration is more effi...

journal_title：Applied and environmental microbiology

authors： Le Dantec C,Duguet JP,Montiel A,Dumoutier N,Dubrou S,Vincent V

更新日期：2002-11-01 00:00:00

abstract：:Photorhabdus luminescens is a bacterium which is mutualistic with entomophagous nematodes and which secretes high-molecular-weight toxin complexes following its release into the insect hemocoel upon nematode invasion. Thus, unlike other protein toxins from Bacillus thuringiensis (delta-endotoxins and Vip's), P. lumine...

journal_title：Applied and environmental microbiology

authors： Blackburn M,Golubeva E,Bowen D,Ffrench-Constant RH

更新日期：1998-08-01 00:00:00

abstract：:Western Lake Erie (Laurentian Great Lakes) is prone to annual cyanobacterial harmful algal blooms (cHABs) dominated by Microcystis spp. that often yield microcystin toxin concentrations exceeding the federal EPA recreational contact advisory of 8 μg liter-1 In August 2014, microcystin levels were detected in finished ...

journal_title：Applied and environmental microbiology

authors： McKindles KM,Manes MA,DeMarco JR,McClure A,McKay RM,Davis TW,Bullerjahn GS

更新日期：2020-10-28 00:00:00

abstract：:This report describes the use of an oligonucleotide macroarray to profile the expression of 375 genes in Lactococcus lactis subsp. lactis IL1403 during heat, acid, and osmotic stress. A set of known stress-associated genes in IL1403 was used as the internal control on the array. Every stress response was accurately de...

journal_title：Applied and environmental microbiology

authors： Xie Y,Chou LS,Cutler A,Weimer B

更新日期：2004-11-01 00:00:00

abstract：:Demethylation inhibitor (DMI)-resistant strains of the plant pathogenic fungus Penicillium digitatum were shown to be simultaneously resistant to cycloheximide, 4-nitroquinoline-N-oxide (4NQO), and acriflavine. A PMR1 (Penicillium multidrug resistance) gene encoding an ATP-binding cassette (ABC) transporter (P-glycopr...

journal_title：Applied and environmental microbiology

authors： Nakaune R,Adachi K,Nawata O,Tomiyama M,Akutsu K,Hibi T

更新日期：1998-10-01 00:00:00

abstract：:Fourteen pesticides (fungicides, herbicides, and insecticides) were tested to determine whether they had deleterious effects on the bioinsecticide Bacillus popilliae, the causal agent of milky disease. All of these pesticides reduced levels of spore viability, spore germination, and/or vegetative cell growth when they...

journal_title：Applied and environmental microbiology

authors： Dingman DW

更新日期：1994-07-01 00:00:00

abstract：:Staphylococcus aureus Cowan 1 cells were armed with anti-flagellar (anti-H) antibody produced in rabbits immunized with flagellar core protein prepared from Vibrio vulnificus. This reagent was assessed by coagglutination for its capacity to agglutinate and identify V. vulnificus. A species-specific H antigen is expres...

journal_title：Applied and environmental microbiology

authors： Simonson J,Siebeling RJ

更新日期：1986-12-01 00:00:00

abstract：:Eleven strains of an undescribed species of Clavispora fermented D-xylose directly to ethanol under aerobic conditions. Strain UWO(PS)83-877-1 was grown in a medium containing 2% D-xylose and 0.5% yeast extract, and the following results were obtained: ethanol yield coefficient (ethanol/D-xylose), 0.29 g g (57.4% of t...

journal_title：Applied and environmental microbiology

authors： Nigam JN,Margaritis A,Lachance MA

更新日期：1985-10-01 00:00:00

abstract：:Given the interest in Bacteroides species as microbial source tracking (MST) markers, and the limited knowledge of the survival of Bacteroides species in the environment, here we examine the survival of Bacteroides fragilis, B. thetaiotaomicron, and environmental species of Bacteroides by use of culture techniques and...

journal_title：Applied and environmental microbiology

authors： Ballesté E,Blanch AR

更新日期：2010-11-01 00:00:00

abstract：:Two types of endosymbiotic bacteria were identified in the gastrodermis of the marine invertebrate Xenoturbella bocki (Xenoturbellida, Bilateria). While previously described Chlamydia-like endosymbionts were rare, Gammaproteobacteria distantly related to other endosymbionts and pathogens were abundant. The endosymbion...

journal_title：Applied and environmental microbiology

authors： Kjeldsen KU,Obst M,Nakano H,Funch P,Schramm A

更新日期：2010-04-01 00:00:00

abstract：:The metabolic conversion of 5-methylfurfural and 2-methylfurfural to furfural by a methanogenic bacterium, Methanococcus sp. strain B, was studied. This bacterium was found to use methylfurfural compounds as a growth substrate and to convert them stoichiometrically to furfural. For every mole of methylfurfurals metabo...

journal_title：Applied and environmental microbiology

authors： Boopathy R

更新日期：1996-09-01 00:00:00

abstract：:Pollutant degradation is present mainly in the surface layer of biofilms, and the surface layer is the most vulnerable to impairment by toxic pollutants. In this work, the effects of nanosized TiO2 (n-TiO2) on the average thicknesses of Bacillus subtilis biofilm and on bacterial attachment on different surfaces were i...

journal_title：Applied and environmental microbiology

authors： Zhang P,Guo JS,Yan P,Chen YP,Wang W,Dai YZ,Fang F,Wang GX,Shen Y

更新日期：2018-04-16 00:00:00

abstract：:We report that two species of basidiomycete fungi (Polyporus versicolor and Poria monticola) grow in minimal liquid or solid medium when supplemented with crushed lignite coal. The fungi also grow directly on crushed lignite coal. The growth of both fungi was observed qualitatively as the production and extension of h...

journal_title：Applied and environmental microbiology

authors： Cohen MS,Gabriele PD

更新日期：1982-07-01 00:00:00

abstract：:The aromatic amino acids are synthesized via a common biosynthetic pathway. A tryptophan-producing mutant of Corynebacterium glutamicum was genetically engineered to produce tyrosine or phenylalanine in abundance. To achieve this, three biosynthetic genes encoding the first enzyme in the common pathway, 3-deoxy-d-arab...

journal_title：Applied and environmental microbiology

authors： Ikeda M,Katsumata R

更新日期：1992-03-01 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：:Genetic competence in Streptococcus mutans is a transient state that is regulated in response to multiple environmental inputs. These include extracellular pH and the concentrations of two secreted peptides, designated CSP (competence-stimulating peptide) and XIP (comX-inducing peptide). The role of environmental cues...

journal_title：Applied and environmental microbiology

authors： Son M,Ghoreishi D,Ahn SJ,Burne RA,Hagen SJ

更新日期：2015-08-15 00:00:00

abstract：:This investigation introduces the use of an immunoglobulin A mouse myeloma protein for the detection of Salmonella spp. in milk. The immunoglobulin A protein M467 reacts with flagellin from a wide variety of serotypes. Two assays were developed which used an enzyme-linked immunosorbent assay (ELISA) and M467. Alkaline...

journal_title：Applied and environmental microbiology

authors： Smith AM,Jones C

更新日期：1983-10-01 00:00:00

abstract：:Campylobacter infections are the most common cause of bacterial enteritis in humans, and nearly 8% of such infections are caused by Campylobacter coli. Most studies have concentrated on Campylobacter jejuni, frequently isolated from intensively farmed poultry and livestock production units, and few studies have examin...

journal_title：Applied and environmental microbiology

authors： Leatherbarrow AJ,Hart CA,Kemp R,Williams NJ,Ridley A,Sharma M,Diggle PJ,Wright EJ,Sutherst J,French NP

更新日期：2004-02-01 00:00:00

abstract：:Motile phototrophic consortia are highly regular associations in which numerous cells of green sulfur bacteria surround a flagellated colorless beta-proteobacterium in the center. To date, seven different morphological types of such consortia have been described. In addition, two immotile associations involving green ...

journal_title：Applied and environmental microbiology

authors： Glaeser J,Overmann J

更新日期：2004-08-01 00:00:00

abstract：:The percentage of azygospores of Gigaspora margarita with zoosporangia of chytridiaceous fungi (CF) was reduced significantly after agitating them in fenaminosulf before incubation in soil. Fenaminosulf did not affect zoosporangia development on chlamydospores of Glomus fasciculatum. Metalaxyl and ethazol were not eff...

journal_title：Applied and environmental microbiology

authors： Sylvia DM,Schenck NC

更新日期：1983-04-01 00:00:00

abstract：:Primary cell cultures, a continuous cell line, and a diploid cell line were grown on an artificial capillary system. The cells were subsequently infected with Venezuelan equine encephalitis virus, and viral replication was studied. Extracellular fluids harvested from this system contained high titers of virus and were...

journal_title：Applied and environmental microbiology

authors： Johnson AD,Eddy GA,Gangemi JD,Ramsburg HH,Metzger JF

更新日期：1978-02-01 00:00:00

abstract：:A polymerase chain reaction (PCR) method designed to sensitively detect and identify Campylobacter jejuni and Campylobacter coli without the need for isolating and culturing strains is described. The intergenic sequence between the flagellin genes flaA and flaB was amplified and characterized with a triple primer or s...

journal_title：Applied and environmental microbiology

authors： Wegmüller B,Lüthy J,Candrian U

更新日期：1993-07-01 00:00:00

abstract：:A technique to determine which nutrients limit bacterial growth in soil was developed. The method was based on measuring the thymidine incorporation rate of bacteria after the addition of C, N, and P in different combinations to soil samples. First, the thymidine incorporation method was tested in two different soils:...

journal_title：Applied and environmental microbiology

authors： Aldén L,Demoling F,Bååth E

更新日期：2001-04-01 00:00:00