Production of Lactase by Candida pseudotropicalis Grown in Whey.

abstract：:We evaluated a ready-to-use real-time quantitative Legionella pneumophila PCR assay system by testing 136 hot-water-system samples collected from 55 sites as well as 49 cooling tower samples collected from 20 different sites, in parallel with the standard culture method. The PCR assay was reproducible and suitable for...

journal_title：Applied and environmental microbiology

authors： Yaradou DF,Hallier-Soulier S,Moreau S,Poty F,Hillion Y,Reyrolle M,André J,Festoc G,Delabre K,Vandenesch F,Etienne J,Jarraud S

更新日期：2007-03-01 00:00:00

abstract：:Bacterial populations adherent to the mucosa of the proximal colons of weaned, healthy pigs were compared with populations from pigs with dysentery induced by inoculation with a culture of Treponema hyodysenteriae. Isolates (136) representative of the predominant flora adherent to colonic epithelia of normal pigs and ...

journal_title：Applied and environmental microbiology

authors： Robinson IM,Whipp SC,Bucklin JA,Allison MJ

更新日期：1984-11-01 00:00:00

abstract：:To survive in various environments, from host tissue to soil, opportunistic bacterial pathogens must be metabolically flexible and able to use a variety of nutrient sources. We are interested in Pseudomonas aeruginosa's catabolism of quaternary amine compounds that are prevalent in association with eukaryotes. Carniti...

journal_title：Applied and environmental microbiology

authors： Meadows JA,Wargo MJ

更新日期：2013-06-01 00:00:00

abstract：:[This corrects the article on p. 118 in vol. 43.]. ...

journal_title：Applied and environmental microbiology

authors：

更新日期：1982-04-01 00:00:00

abstract：:The discovery of a letter intentionally filled with dried Bacillus anthracis spores in the office of a United States senator prompted the collection and quarantine of all mail in congressional buildings. This mail was subsequently searched for additional intentionally contaminated letters. A microbiological sampling s...

journal_title：Applied and environmental microbiology

authors： Beecher DJ

更新日期：2006-08-01 00:00:00

abstract：:The putative role of biting flies in Bartonella transmission among ruminants was investigated. Amplification of the Bartonella citrate synthase gene from 83 Hippoboscidae was detected in 94% of 48 adult Lipoptena cervi flies, 71% of 17 adult Hippobosca equina flies, 100% of 20 adult Melophagus ovinus flies, and 100% o...

journal_title：Applied and environmental microbiology

authors： Halos L,Jamal T,Maillard R,Girard B,Guillot J,Chomel B,Vayssier-Taussat M,Boulouis HJ

更新日期：2004-10-01 00:00:00

abstract：:The spore-forming bacterium Paenibacillus larvae causes a severe and highly infective bee disease, American foulbrood (AFB). Despite the large economic losses induced by AFB, the virulence factors produced by P. larvae are as yet unknown. To identify such virulence factors, we experimentally infected young, susceptibl...

journal_title：Applied and environmental microbiology

authors： Schild HA,Fuchs SW,Bode HB,Grünewald B

更新日期：2014-04-01 00:00:00

abstract：:A novel death-specific gene, ScDSP, was obtained from a death stage subtraction cDNA library of the diatom Skeletonema costatum. The full length of ScDSP cDNA was 921 bp in length, containing a 699-bp open reading frame encoding 232 amino acids and two stretches of 66 and 156 bp in the 5' and 3' untranslated regions, ...

journal_title：Applied and environmental microbiology

authors： Chung CC,Hwang SP,Chang J

更新日期：2005-12-01 00:00:00

abstract：:Lactococcin 972 (Lcn972) is a nonlantibiotic bacteriocin that inhibits septum biosynthesis in Lactococcus lactis rather than forming pores in the cytoplasmic membrane. In this study, a deeper analysis of the molecular basis of the mode of action of Lcn972 was performed. Of several lipid cell wall precursors, only lipi...

journal_title：Applied and environmental microbiology

authors： Martínez B,Böttiger T,Schneider T,Rodríguez A,Sahl HG,Wiedemann I

更新日期：2008-08-01 00:00:00

abstract：:Intracellular pH (pH(in)) is a tightly regulated physiological parameter, which controls cell performance in all living systems. The purpose of this work was to evaluate if and how H(+) homeostasis is accomplished by an industrial wine strain of Saccharomyces cerevisiae while fermenting real must under the harsh winer...

journal_title：Applied and environmental microbiology

authors： Viana T,Loureiro-Dias MC,Loureiro V,Prista C

更新日期：2012-09-01 00:00:00

abstract：:Trihalomethanes, carbon tetrachloride, 1,1,1-trichloroethane, 1,2-dibromoethane, chlorinated benzenes, ethylbenzene, and naphthalene at concentrations commonly found in surface and groundwater were incubated under anoxic conditions to study their transformability in the presence of denitrifying bacteria. None of the a...

journal_title：Applied and environmental microbiology

authors： Bouwer EJ,McCarty PL

更新日期：1983-04-01 00:00:00

abstract：:A new genus and species of a nonmotile gram-negative rod, Syntrophobacter wolinii, is the first bacterium described which degrades propionate only in coculture with an H(2)-using organism and in the absence of light or exogenous electron acceptors such as O(2), sulfate, or nitrate. It was isolated from methanogenic en...

journal_title：Applied and environmental microbiology

authors： Boone DR,Bryant MP

更新日期：1980-09-01 00:00:00

abstract：:Indirect pathogenicity (IP), the commensal protection of antibiotic-sensitive pathogens by resistant microorganisms of low intrinsic virulence, can prevent the eradication of polymicrobial infections. The contributions of antibiotic resistance mechanisms and biofilm structure to IP within polymicrobial biofilms were i...

journal_title：Applied and environmental microbiology

authors： O'Connell HA,Kottkamp GS,Eppelbaum JL,Stubblefield BA,Gilbert SE,Gilbert ES

更新日期：2006-07-01 00:00:00

abstract：:The relationship between nutrients leached onto the leaf surface and the colonization of plants by bacteria was studied by measuring both the abundance of simple sugars and the growth of Pseudomonas fluorescens on individual bean leaves. Data obtained in this study indicate that the population size of epiphytic bacter...

journal_title：Applied and environmental microbiology

authors： Mercier J,Lindow SE

更新日期：2000-01-01 00:00:00

abstract：:The development of resistance in foodborne pathogens to food preservation techniques is an issue of increasing concern, especially in minimally processed foods where safety relies on hurdle technology. In this context, mild heat can be used in combination with so-called nonthermal processes, such as high hydrostatic p...

journal_title：Applied and environmental microbiology

authors： Gayán E,Cambré A,Michiels CW,Aertsen A

更新日期：2016-10-27 00:00:00

abstract：:Electrorotation is a noninvasive technique that is capable of detecting changes in the morphology and physicochemical properties of microorganisms. Electrorotation studies are reported for two intestinal parasites, Giardia intestinalis and Cyclospora cayetanensis. It is concluded that viable and nonviable G. intestina...

journal_title：Applied and environmental microbiology

authors： Dalton C,Goater AD,Pethig R,Smith HV

更新日期：2001-02-01 00:00:00

abstract：:The pathogenic oomycete Aphanomyces invadans is the primary etiological agent in ulcerative mycosis, an ulcerative skin disease caused by a fungus-like agent of wild and cultured fish. We developed sensitive PCR and fluorescent peptide nucleic acid in situ hybridization (FISH) assays to detect A. invadans. Laboratory-...

journal_title：Applied and environmental microbiology

authors： Vandersea MW,Litaker RW,Yonnish B,Sosa E,Landsberg JH,Pullinger C,Moon-Butzin P,Green J,Morris JA,Kator H,Noga EJ,Tester PA

更新日期：2006-02-01 00:00:00

abstract：:The effects of various nitrogen sources and of the cultivation time on the biosynthesis of N-labelled azoverdin were studied in batch cultures of Azomonas macrocytogenes ATCC 12334. Growth for 48 h in the presence of ammonium sulfate (0.2 g/liter) resulted in 95% labelling of azoverdin with N. A growth-related synthes...

journal_title：Applied and environmental microbiology

authors： Dobisová M,Abdallah MA,Kyslík P

更新日期：1994-12-01 00:00:00

abstract：:A competitive enzyme-linked immunosorbent assay was used to screen for T-2 toxin in Fusarium sporotrichioides -infected corn. The assay detected T-2 toxin in diluted methanol extracts of corn samples at concentrations of 0.05 ng/ml. In infected corn samples, enzyme-linked immunosorbent assay and gas-liquid chromatogra...

journal_title：Applied and environmental microbiology

authors： Gendloff EH,Pestka JJ,Swanson SP,Hart LP

更新日期：1984-05-01 00:00:00

abstract：:The effects of UV-B radiation on the heterotrophic nanoflagellate Bodo saltans (Kinetoplastida) were examined under controlled conditions with artificial UV sources and also under natural solar radiation in an oligotrophic lake. In both types of experiments, the characteristic elongated cell morphology of this flagell...

journal_title：Applied and environmental microbiology

authors： Sommaruga R,Oberleiter A,Psenner R

更新日期：1996-12-01 00:00:00

abstract：:Several variations in the scintillation mixture and the filter paper arrangements for double-vial radiorespirometry were compared. Improved efficiencies (44%) and shorter response times were found by adding wetting agents and methanolic NaOH to the scintillation mixture in the filter paper. The scintillation chemicals...

journal_title：Applied and environmental microbiology

authors： McKinley VL,Federle TW,Vestal JR

更新日期：1983-01-01 00:00:00

abstract：:Chromohalobacter salexigens DSM 3043 can grow on N,N-dimethylglycine (DMG) as the sole C, N, and energy source and utilize sarcosine as the sole N source under aerobic conditions. However, little is known about the genes and enzymes involved in the conversion of DMG to sarcosine in this strain. In the present study, g...

journal_title：Applied and environmental microbiology

authors： Yang T,Shao YH,Guo LZ,Meng XL,Yu H,Lu WD

更新日期：2020-08-18 00:00:00

abstract：:The sensitivity of two recently isolated antigenic variants of echovirus type 25 (Montpellier 76-1262 and Thionville 86-222) to glutaraldehyde (GTA) at low concentrations was compared with that of the JV-4 prototype strain. The purified viruses were treated under the same conditions with GTA at concentrations ranging ...

journal_title：Applied and environmental microbiology

authors： Chambon M,Bailly JL,Peigue-Lafeuille H

更新日期：1994-02-01 00:00:00

abstract：:The presence and activities of urease genes were investigated in 49 clinical, food, and environmental Bacillus cereus isolates. Ten strains were shown to have urease genes, with eight of these strains showing growth on urea as the sole nitrogen source. Two of the urease-positive strains, including the sequenced strain...

journal_title：Applied and environmental microbiology

authors： Mols M,Abee T

更新日期：2008-04-01 00:00:00

abstract：:Azospirillum is a rhizobacterial genus containing plant growth-promoting species associated with different crops worldwide. Azospirillum brasilense strains exhibit a growth-promoting effect by means of phytohormone production and possibly by N2 fixation. However, one of the most important factors for achieving an incr...

journal_title：Applied and environmental microbiology

authors： Stets MI,Alqueres SM,Souza EM,Pedrosa Fde O,Schmid M,Hartmann A,Cruz LM

更新日期：2015-10-01 00:00:00

abstract：:Cattle are a known reservoir of Shiga toxin-producing Escherichia coli. The prevalence and stability of Shiga toxin and/or Shiga toxin genes among native wild ungulates in Idaho were investigated. The frequency of both Shiga genes and toxin was similar to that reported for Idaho cattle ( approximately 19%). ...

journal_title：Applied and environmental microbiology

authors： Gilbreath JJ,Shields MS,Smith RL,Farrell LD,Sheridan PP,Spiegel KM

更新日期：2009-02-01 00:00:00

abstract：:Leuconostoc mesenteroides strains that are resistant to high levels of nisin (up to 25,000 IU/ml in broth) were isolated. These nisin-resistant mutants were evaluated to determine their potential use as starter culture strains for cabbage fermentations. We found that some L. mesenteroides strains could be adapted to h...

journal_title：Applied and environmental microbiology

authors： Breidt F,Crowley KA,Fleming HP

更新日期：1993-11-01 00:00:00

abstract：:Addition of 3 M NaCl to 72-h cultures of Penicillium fellutanum in 2 mM phosphate resulted in an increase in percentage of extracellular peptidophosphogalactomannan III (pP(x)GM(iii)) and a decrease in that of pP(x)GM(ii). The magnitude of (31)P nuclear magnetic resonance signals at 1.47 and 1.33 ppm of phospho-1-O-[N...

journal_title：Applied and environmental microbiology

authors： Park YI,Bonetti SJ,Gander JE

更新日期：2000-02-01 00:00:00

abstract：:Comparative genomic hybridizations have been used to examine genetic relationships among bacteria. The microarrays used in these experiments may have open reading frames from one or more reference strains (whole-genome microarrays), or they may be composed of random DNA fragments from a large number of strains (mixed-...

journal_title：Applied and environmental microbiology

authors： Wan Y,Broschat SL,Call DR

更新日期：2007-03-01 00:00:00

abstract：:Recent studies have reported high levels of fecal indicator enterococci in marine beach sand. This study aimed to determine the spatial and temporal variation of enterococcal abundance and to evaluate its relationships with microbial community parameters in Hawaii beach sand and water. Sampling at 23 beaches on the Is...

journal_title：Applied and environmental microbiology

authors： Cui H,Yang K,Pagaling E,Yan T

更新日期：2013-06-01 00:00:00