Improved detection of F-specific RNA coliphages in fecal material by extraction and polyethylene glycol precipitation.

abstract：:Kraft pulps, prepared from softwoods, and small chips of birch wood were treated with heme and tert-butyl hydroperoxide in aqueous solutions at reflux temperature. Analyses of treated pulps showed decreases in kappa number (a measure of lignin content) from about 36 to less than 2, with concomitant increases in bright...

journal_title：Applied and environmental microbiology

authors： Paszczyński A,Crawford RL,Blanchette RA

更新日期：1988-01-01 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：:Statistical models were used to predict the effects of tryptone, glucose, yeast extract (TGY) and Mn on biomass formation of the highly radioresistant bacterium Deinococcus radiodurans. Results suggested that glucose had marginal effect on biomass buildup, but Mn was a significant factor for biomass formation. Mn also...

journal_title：Applied and environmental microbiology

authors： Zhang YM,Wong TY,Chen LY,Lin CS,Liu JK

更新日期：2000-01-01 00:00:00

abstract：:Hepatitis A virus (HAV) is a food-borne enteric virus responsible for outbreaks of hepatitis associated with shellfish consumption. The objectives of this study were to determine the thermal inactivation behavior of HAV in blue mussels, to compare the first-order and Weibull models to describe the data, to calculate A...

journal_title：Applied and environmental microbiology

authors： Bozkurt H,D'Souza DH,Davidson PM

更新日期：2014-05-01 00:00:00

abstract：:Quaternary ammonium compounds such as benzalkonium chloride (BC) are widely used as disinfectants in both food processing and medical environments. BC-resistant strains of Listeria monocytogenes have been implicated in multistate outbreaks of listeriosis and have been frequently isolated from food processing plants. H...

journal_title：Applied and environmental microbiology

authors： Elhanafi D,Dutta V,Kathariou S

更新日期：2010-12-01 00:00:00

abstract：:Oil field bacteria were characterized by cloning and sequencing of PCR-amplified 16S rRNA genes. A variety of gram-negative, sulfate-reducing bacteria was detected (16 members of the family Desulfovibrionaceae and 8 members of the family Desulfobacteriaceae). In contrast, a much more limited number of anaerobic, ferme...

journal_title：Applied and environmental microbiology

authors： Voordouw G,Armstrong SM,Reimer MF,Fouts B,Telang AJ,Shen Y,Gevertz D

更新日期：1996-05-01 00:00:00

abstract：:Gene clusters for biosynthesis of the fungal polyketides hypothemycin and radicicol from Hypomyces subiculosus and Pochonia chlamydosporia, respectively, were sequenced. Both clusters encode a reducing polyketide synthase (PKS) and a nonreducing PKS like those in the zearalenone cluster of Gibberella zeae, plus enzyme...

journal_title：Applied and environmental microbiology

authors： Reeves CD,Hu Z,Reid R,Kealey JT

更新日期：2008-08-01 00:00:00

abstract：:The transfer of naturally occurring conjugative plasmids from the indigenous microflora to a genetically modified population of bacteria colonizing the phytospheres of plants has been observed. The marked strain (Pseudomonas fluorescens SBW25EeZY6KX) was introduced as a seed dressing to sugar beets (Beta vulgaris var....

journal_title：Applied and environmental microbiology

authors： Lilley AK,Bailey MJ

更新日期：1997-04-01 00:00:00

abstract：:The effects of aflatoxin on egg production, fertility, hatchability, and progeny performance were investigated by feeding dietary aflatoxin at dose levels of 0,5, and 10 mug/g to mature broiler breeder hens for 4 weeks. Sixteen hens were used for each dietary dose level. Egg production decreased significantly during w...

journal_title：Applied and environmental microbiology

authors： Howarth B Jr,Wyatt RD

更新日期：1976-05-01 00:00:00

abstract：:Since Vibrio cholerae O139 first appeared in 1992, both O1 El Tor and O139 have been recognized as the epidemic serogroups, although their geographic distribution, endemicity, and reservoir are not fully understood. To address this lack of information, a study of the epidemiology and ecology of V. cholerae O1 and O139...

journal_title：Applied and environmental microbiology

authors： Alam M,Hasan NA,Sadique A,Bhuiyan NA,Ahmed KU,Nusrin S,Nair GB,Siddique AK,Sack RB,Sack DA,Huq A,Colwell RR

更新日期：2006-06-01 00:00:00

abstract：:The susceptibility of Trichoplusia ni larvae to several Bacillus thuringiensis insecticidal crystal proteins (ICPs) was tested. Neonatal larvae proved to be susceptible to solubilized trypsin-treated CryIA(a), CryIA(b), and CryIA(c) (50% lethal concentrations [LC(50)s], 570, 480, and 320 ng/cm, respectively) but showe...

journal_title：Applied and environmental microbiology

authors： Estada U,Ferre J

更新日期：1994-10-01 00:00:00

abstract：:Lactase (beta-d-galactosidase) was produced by Candida pseudotropicalis grown in deproteinized whey. Maximum enzyme production in 2% whey was obtained by supplementation with 0.15% yeast extract, 0.1% (NH(4))(2)SO(4), and 0.05% KH(2)PO(4) (wt/vol). Highest enzyme values (4.35 U/mg of cells and 68 U/ml) were obtained w...

journal_title：Applied and environmental microbiology

authors： de Bales SA,Castillo FJ

更新日期：1979-06-01 00:00:00

abstract：:The biodegradation of benzene, toluene, and chlorobenzenes by Pseudomonas putida involves the initial conversion of the parent molecules to cis-dihydrodiols by dioxygenase enzyme systems. The cis-dihydrodiols are then converted to the corresponding catechols by dihydrodiol dehydrogenase enzymes. Pseudomonas sp. strain...

journal_title：Applied and environmental microbiology

authors： Spain JC,Gibson DT

更新日期：1988-06-01 00:00:00

abstract：:The objective of this study was to evaluate the effect of chitosan microparticles on the uterine microbiome of cows with metritis. Dairy cows with metritis (n = 89) were assigned to 1 of 3 treatments: chitosan microparticles (n = 21), in which the cows received an intrauterine infusion of chitosan microparticles at me...

journal_title：Applied and environmental microbiology

authors： Galvão KN,de Oliveira EB,Cunha F,Daetz R,Jones K,Ma Z,Jeong KC,Bicalho RC,Higgins CH,Rodrigues MX,Gonzalez Moreno C,Jeon S

更新日期：2020-09-01 00:00:00

abstract：:Many people in Japan often detect an unpleasant odor generated from laundry that is hung to dry indoors or when using their already-dried laundry. Such an odor is often described as a "wet-and-dirty-dustcloth-like malodor" or an "acidic or sweaty odor." In this study, we isolated the major microorganisms associated wi...

journal_title：Applied and environmental microbiology

authors： Kubota H,Mitani A,Niwano Y,Takeuchi K,Tanaka A,Yamaguchi N,Kawamura Y,Hitomi J

更新日期：2012-05-01 00:00:00

abstract：:Isolation and cultivation are a crucial step in elucidating the physiology, biogeochemistry, and ecosystem role of microorganisms. Many abundant marine bacteria, including the widespread Roseobacter clade-affiliated (RCA) cluster group, have not been cultured with traditional methods. Using novel techniques of coculti...

journal_title：Applied and environmental microbiology

authors： Mayali X,Franks PJ,Azam F

更新日期：2008-05-01 00:00:00

abstract：:In prokaryotic cells the ATP-dependent proteases Lon and ClpP (Clp proteolytic subunit) are involved in the turnover of misfolded proteins and the degradation of regulatory proteins, and depending on the organism, these proteases contribute variably to stress tolerance. We constructed mutants in the lon and clpP genes...

journal_title：Applied and environmental microbiology

authors： Cohn MT,Ingmer H,Mulholland F,Jørgensen K,Wells JM,Brøndsted L

更新日期：2007-12-01 00:00:00

abstract：:The structural gene coding for the lysine-sensitive aspartokinase II of the methylotrophic thermotolerant Bacillus sp. strain MGA3 was cloned from a genomic library by complementation of an Escherichia coli auxotrophic mutant lacking all three aspartokinase isozymes. The nucleotide sequence of the entire 2.2-kb PstI f...

journal_title：Applied and environmental microbiology

authors： Schendel FJ,Flickinger MC

更新日期：1992-09-01 00:00:00

abstract：:Cryparin is a cell-surface-associated hydrophobin of the filamentous ascomycete Cryphonectria parasitica. This protein contains a signal peptide that directs it to the vesicle-mediated secretory pathway. We detected a glycosylated form of cryparin in a secretory vesicle fraction, but secreted forms of this protein are...

journal_title：Applied and environmental microbiology

authors： McCabe PM,Van Alfen NK

更新日期：1999-12-01 00:00:00

abstract：:Isolation of amoebae from the surface and internal tissues of edible mushrooms was investigated. Samples tested over a 3-year period included mushrooms cultivated from six geographic localities. Of 168 mushroom surfaces tested, 161 (96%) yielded amoebae. Of 166 samples of internal stalk and cap tissues tested, only 1 ...

journal_title：Applied and environmental microbiology

authors： Napolitano JJ

更新日期：1982-07-01 00:00:00

abstract：:Trehalose accumulation is a common cell defense strategy against a variety of stressful conditions. In particular, our team detected high levels of trehalose in Propionibacterium freudenreichii in response to acid stress, a result that led to the idea that endowing Lactococcus lactis with the capacity to synthesize tr...

journal_title：Applied and environmental microbiology

authors： Carvalho AL,Cardoso FS,Bohn A,Neves AR,Santos H

更新日期：2011-06-01 00:00:00

abstract：:The degradation of the herbicides EPTC (S-ethyl dipropylthiocarbamate) and atrazine (2-chloro-4-ethyl-amino-6-isopropylamino-1,3,5-triazine) is associated with an indigenous plasmid in Rhodococcus sp. strain TE1. Plasmid DNA libraries of Rhodococcus sp. strain TE1 were constructed in a Rhodococcus-Escherichia coli shu...

journal_title：Applied and environmental microbiology

authors： Shao ZQ,Behki R

更新日期：1995-05-01 00:00:00

abstract：:A methanol-utilizing bacterium, Protaminobacter ruber, produced a large amount of vitamin B(12). The compounds were isolated from the cells and identified as methylcobalamin (methyl-B(12)) and adenosylcobalamin (adenosyl-B(12)) by various tests. The variation in the form of B(12) during cultivation was examined by bio...

journal_title：Applied and environmental microbiology

authors： Sato K,Ueda S,Shimizu S

更新日期：1977-03-01 00:00:00

abstract：:Formation of dental plaque is a developmental process involving initial and late colonizing species that form polymicrobial communities. Fusobacteria are the most numerous gram-negative bacteria in dental plaque, but they become prevalent after the initial commensal colonizers, such as streptococci and actinomyces, ha...

journal_title：Applied and environmental microbiology

authors： Periasamy S,Chalmers NI,Du-Thumm L,Kolenbrander PE

更新日期：2009-05-01 00:00:00

abstract：:The genetic diversity of 138 strains of the Xanthomonas pathovar mangiferaeindicae, which were isolated from three different hosts (mango, ambarella, and pepper tree) in 14 different countries, was assessed with restriction fragment length polymorphism markers. An analysis of patterns obtained by hybridization with an...

journal_title：Applied and environmental microbiology

authors： Gagnevin L,Leach JE,Pruvost O

更新日期：1997-01-01 00:00:00

abstract：:Simultaneous production of penicillic acid and patulin by an atypical strain of Penicillium roqueforti isolated from cheddar cheese is reported. Mycotoxin production was confirmed by thin-layer and gas-liquid chromatography and by ultraviolet, infrared, and mass spectral analyses. Culture extracts were toxic to Bacill...

journal_title：Applied and environmental microbiology

authors： Olivigni FJ,Bullerman LB

更新日期：1978-02-01 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：:The harvesting of rainwater is gaining acceptance among many governmental authorities in countries such as Australia, Germany, and South Africa, among others. However, conflicting reports on the microbial quality of harvested rainwater have been published. To monitor the presence of potential pathogenic bacteria durin...

journal_title：Applied and environmental microbiology

authors： Dobrowsky PH,De Kwaadsteniet M,Cloete TE,Khan W

更新日期：2014-04-01 00:00:00

abstract：:Total coliforms and total coliforms resistant to streptomycin, tetracycline, or chloramphenicol were isolated from filtered activated sludge effluents before and after UV light irradiation. Although the UV irradiation effectively disinfected the wastewater effluent, the percentage of the total surviving coliform popul...

journal_title：Applied and environmental microbiology

authors： Meckes MC

更新日期：1982-02-01 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