Heat Resistance and Population Stability of Lyophilized Bacillus subtilis Spores.

abstract：:The sensitivity of different microorganisms, considered as typical representatives of the microflora of soil and water, was established to evaluate the influence of the nonmedical use of antimicrobial agents on bacterial ecology. Only seven strains, six chemoorganotrophs and one chemolithotroph, could be considered as...

journal_title：Applied and environmental microbiology

authors： Van Dijck P,van de Voorde H

更新日期：1976-03-01 00:00:00

abstract：:Kidneys showing renal changes characteristic for mycotoxic porcine nephropathy were collected during the period 1 April 1982 to 31 March 1983 from 225,000 swine processed in a large slaughterhouse in the district of Poznań, Poland. Of 113 kidneys suspected of mycotoxic porcine nephropathy, 27 exhibited ochratoxin A le...

journal_title：Applied and environmental microbiology

authors： Goliński P,Hult K,Grabarkiewicz-Szczesna J,Chełkowski J,Kneblewski P,Szebiotko K

更新日期：1984-06-01 00:00:00

abstract：:The arginine deiminase system in a variety of streptococci and in Pseudomonas aeruginosa was found to be unusually acid tolerant in that arginolysis occurred at pH values well below the minima for growth and glycolysis. The acid tolerance of the system allowed bacteria to survive potentially lethal acidification throu...

journal_title：Applied and environmental microbiology

authors： Marquis RE,Bender GR,Murray DR,Wong A

更新日期：1987-01-01 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：:Bacteria were isolated from lake water, and their ability to remain viable in a dilute, nutrient-deficient environment was tested by a method that permits suspension of test bacteria between two appressed microporous membranes in an aqueous environment. This approach permitted separation of the lake isolates into two ...

journal_title：Applied and environmental microbiology

authors： Sjogren RE,Gibson MJ

更新日期：1981-06-01 00:00:00

abstract：:The accumulation and fate of model microbial "pathogens" within a drinking-water distribution system was investigated in naturally grown biofilms formed in a novel pilot-scale water distribution system provided with chlorinated and UV-treated water. Biofilms were exposed to 1-mum hydrophilic and hydrophobic microspher...

journal_title：Applied and environmental microbiology

authors： Långmark J,Storey MV,Ashbolt NJ,Stenström TA

更新日期：2005-02-01 00:00:00

abstract：:The epiphytic fitness of Salmonella enterica was assessed on cilantro plants by using a strain of S. enterica serovar Thompson that was linked to an outbreak resulting from cilantro. Salmonella serovar Thompson had the ability to colonize the surface of cilantro leaves, where it was detected by confocal laser scanning...

journal_title：Applied and environmental microbiology

authors： Brandl MT,Mandrell RE

更新日期：2002-07-01 00:00:00

abstract：:Laying hens were individually caged at 20 weeks of age and tested for fecal excretion of Campylobacter jejuni (minimum level of detection was 100 cfu/g) during a 42-week period. Peak rates of C. jejuni isolation (approximately 25% of hens positive) occurred at two different times, in October and in late April to early...

journal_title：Applied and environmental microbiology

authors： Doyle MP

更新日期：1984-03-01 00:00:00

abstract：:Homologous recombination plays an important role in the structuring of genetic variation of many bacteria; however, its importance in adaptive evolution is not well established. We investigated the association of intersubspecific homologous recombination (IHR) with the shift to a novel host (mulberry) by the plant-pat...

journal_title：Applied and environmental microbiology

authors： Nunney L,Schuenzel EL,Scally M,Bromley RE,Stouthamer R

更新日期：2014-05-01 00:00:00

abstract：:The organization and species composition of bacterial trophic groups associated with lactose biomethanation were investigated in a whey-processing chemostat by enumeration, isolation, and general characterization studies. The bacteria were spatially organized as free-living forms and as self-immobilized forms appearin...

journal_title：Applied and environmental microbiology

authors： Chartrain M,Zeikus JG

更新日期：1986-01-01 00:00:00

abstract：:It has been shown that the coexistence of methanogenesis and reductive acetogenesis in the hindgut of the wood-feeding termite Reticulitermes flavipes is based largely on the radial distribution of the respective microbial populations and relatively high hydrogen partial pressures in the gut lumen. Using Clark-type mi...

journal_title：Applied and environmental microbiology

authors： Schmitt-Wagner D,Brune A

更新日期：1999-10-01 00:00:00

abstract：:A push-pull method, previously used in groundwater analyses, was successfully adapted for measuring sulfide turnover rates in situ at different depths in the meromictic Lake Cadagno. In the layer of phototrophic bacteria at about 12 m in depth net sulfide consumption was observed during the day, indicating active bact...

journal_title：Applied and environmental microbiology

authors： Lüthy L,Fritz M,Bachofen R

更新日期：2000-02-01 00:00:00

abstract：:The existence of a hydrogen sulfide:ferric ion oxidoreductase, which catalyzes the oxidation of elemental sulfur with ferric ions as an electron acceptor to produce ferrous and sulfite ions, was assayed with washed intact cells and cell extracts of various kinds of iron-oxidizing bacteria, such as Thiobacillus ferroox...

journal_title：Applied and environmental microbiology

authors： Sugio T,White KJ,Shute E,Choate D,Blake RC

更新日期：1992-01-01 00:00:00

abstract：:Nontoxigenic strains of Clostridium botulinum types C and D are converted to toxigenic strains by infection with specific Tox+ bacteriophages. The nucleic acids were extracted from five converting phages, c-st, c-468, c-203, c-d6f, and d-1873, and one nonconverting phage, c-n71, and treated with nucleases. The nucleic...

journal_title：Applied and environmental microbiology

authors： Fujii N,Oguma K,Yokosawa N,Kimura K,Tsuzuki K

更新日期：1988-01-01 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：:A method to detect viable Cryptosporidium parvum oocysts was developed. Polyclonal immunoglobulin G against C. parvum oocyst and sporozoite surface antigens was purified from rabbit immune serum, biotinylated, and bound to streptoavidin-coated magnetic particles. C. parvum oocysts were captured by a specific antigen-a...

journal_title：Applied and environmental microbiology

authors： Deng MQ,Cliver DO,Mariam TW

更新日期：1997-08-01 00:00:00

abstract：:Washed and air-oxidized proteins from Sporomusa ovata cleaved the C-O bond of methanol or methoxyaromatics and transferred the methyl to dl-tetrahydrofolate. The reactions strictly required a reductive activation by titanium citrate, catalytic amounts of ATP, and the addition of dl-tetrahydrofolate. Methylcorrinoid-co...

journal_title：Applied and environmental microbiology

authors： Stupperich E,Konle R

更新日期：1993-09-01 00:00:00

abstract：:To further study mechanisms of coping with osmotic stress-low water activity, mutants of Staphylococcus aureus with transposon Tn917-lacZ-induced NaCl sensitivity were selected for impaired ability to grow on solid defined medium containing 2 M NaCl. Southern hybridization experiments showed that NaCl-sensitive mutant...

journal_title：Applied and environmental microbiology

authors： Vijaranakul U,Nadakavukaren MJ,Bayles DO,Wilkinson BJ,Jayaswal RK

更新日期：1997-05-01 00:00:00

abstract：:Lactobacillus bulgaricus LT4(0448) is a lysogenic strain from which a temperate bacteriophage can be induced by mitomycin C or UV irradiation. Lactobacillus lactis CNRZ 326 is an indicator strain for the temperate phage 0448, but this strain lyses only in the presence of Ca ions. A resistant culture developed secondar...

journal_title：Applied and environmental microbiology

authors： Cluzel PJ,Serio J,Accolas JP

更新日期：1987-08-01 00:00:00

abstract：:In earlier studies, the pathway of toluene and m- and p-xylene degradation (TOL pathway) in Pseudomonas putida (pWW0) was found to be subject to catabolite repression when the strain was grown at the maximal rate on glucose or succinate in the presence of an inducer. This report describes catabolite repression of the ...

journal_title：Applied and environmental microbiology

authors： Duetz WA,Marqués S,Wind B,Ramos JL,van Andel JG

更新日期：1996-02-01 00:00:00

abstract：:[This corrects the article on p. 931 in vol. 46.]. ...

journal_title：Applied and environmental microbiology

authors：

更新日期：1984-05-01 00:00:00

abstract：:Population analyses in water samples obtained from the chemocline of crenogenic, meromictic Lake Cadagno, Switzerland, in October for the years 1994 to 2003 were studied using in situ hybridization with specific probes. During this 10-year period, large shifts in abundance between purple and green sulfur bacteria and ...

journal_title：Applied and environmental microbiology

authors： Tonolla M,Peduzzi R,Hahn D

更新日期：2005-07-01 00:00:00

abstract：:A mechanistic understanding of how new phenotypes develop to overcome the loss of a gene product provides valuable insight on both the metabolic and regulatory functions of the lost gene. The pgi gene, whose product catalyzes the second step in glycolysis, was deleted in a growth-optimized Escherichia coli K-12 MG1655...

journal_title：Applied and environmental microbiology

authors： McCloskey D,Xu S,Sandberg TE,Brunk E,Hefner Y,Szubin R,Feist AM,Palsson BO

更新日期：2018-09-17 00:00:00

abstract：:The oxidation of fluorene, a polycyclic hydrocarbon which is not a substrate for fungal lignin peroxidase, was studied in liquid cultures of Phanerochaete chrysosporium and in vitro with P. chrysosporium extracellular enzymes. Intact fungal cultures metabolized fluorene to 9-hydroxyfluorene via 9-fluorenone. Some conv...

journal_title：Applied and environmental microbiology

authors： Bogan BW,Lamar RT,Hammel KE

更新日期：1996-05-01 00:00:00

abstract：:The degradation of epichlorohydrin (3-chloropropylene oxide or 1-chloro-2,3-epoxypropane) by whole-cell suspensions of Xanthobacter strain Py2 was investigated. Cell suspensions prepared from cultures grown with propylene as the carbon source readily degraded epichlorohydrin. The ability to degrade epichlorohydrin cor...

journal_title：Applied and environmental microbiology

authors： Small FJ,Tilley JK,Ensign SA

更新日期：1995-04-01 00:00:00

abstract：:Water samples from rivers, streams, ponds, and activated sewage were tested for the presence of bacteria which utilize 2,4-dichlorophenoxyacetic acid (2,4-D) as a sole source of carbon. Seventy percent of the attempted enrichments yielded pure cultures of 2,4-D-metabolizing bacteria. All but 1 of the 30 isolates were ...

journal_title：Applied and environmental microbiology

authors： Amy PS,Schulke JW,Frazier LM,Seidler RJ

更新日期：1985-05-01 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：:Undefined mesophilic mixed (DL) starter cultures are used in the production of continental cheeses and contain unknown strain mixtures of Lactococcus lactis and leuconostocs. The choice of starter culture affects the taste, aroma, and quality of the final product. To gain insight into the diversity of Lactococcus lact...

journal_title：Applied and environmental microbiology

authors： Frantzen CA,Kleppen HP,Holo H

更新日期：2018-01-17 00:00:00

abstract：:Low concentrations of furfural are formed as a side product during the dilute acid hydrolysis of hemicellulose. Growth is inhibited by exposure to furfural but resumes after the complete reduction of furfural to the less toxic furfuryl alcohol. Growth-based selection was used to isolate a furfural-resistant mutant of ...

journal_title：Applied and environmental microbiology

authors： Miller EN,Jarboe LR,Yomano LP,York SW,Shanmugam KT,Ingram LO

更新日期：2009-07-01 00:00:00

abstract：:rRNA genetic markers were analyzed in 97 isolates of nodule bacteria from six legume species in Chihuahua, Mexico. The most common genotypes were widely shared across host species and had 16S rRNA sequences identical to those of strains from an eastern North American legume (Amphicarpaea) that are closely related to B...

journal_title：Applied and environmental microbiology

authors： Parker MA

更新日期：2002-04-01 00:00:00