Signal transduction in the protozoan host Hartmannella vermiformis upon attachment and invasion by Legionella micdadei.

abstract：:The detection and enumeration of most cultivable human enteric viruses from water is possible if samples are first inoculated onto a suitable cell line such as MA-104 or BGM. Virus growth is then detected by an indirect immunoperoxidase method with human immune serum globulin as the source of antibody to most enteric ...

journal_title：Applied and environmental microbiology

authors： Payment P,Trudel M

更新日期：1985-11-01 00:00:00

abstract：:Reduction of hexavalent chromium (chromate) to less-toxic trivalent chromium was studied by using cell suspensions and cell-free supernatant fluids from Pseudomonas putida PRS2000. Chromate reductase activity was associated with soluble protein and not with the membrane fraction. The crude enzyme activity was heat lab...

journal_title：Applied and environmental microbiology

authors： Ishibashi Y,Cervantes C,Silver S

更新日期：1990-07-01 00:00:00

abstract：:Campylobacter jejuni was isolated from raw milk by a method that can routinely detect less than or equal to 1 organism per ml. This procedure was used in a survey of 195 separate farms and showed a 1.5% incidence of C. jejuni in milk from bulk tanks. ...

journal_title：Applied and environmental microbiology

authors： Lovett J,Francis DW,Hunt JM

更新日期：1983-08-01 00:00:00

abstract：:Tellurium, a metalloid belonging to group 16 of the periodic table, displays very interesting physical and chemical properties and lately has attracted significant attention for its use in nanotechnology. In this context, the use of microorganisms for synthesizing nanostructures emerges as an eco-friendly and exciting...

journal_title：Applied and environmental microbiology

authors： Pugin B,Cornejo FA,Muñoz-Díaz P,Muñoz-Villagrán CM,Vargas-Pérez JI,Arenas FA,Vásquez CC

更新日期：2014-11-01 00:00:00

abstract：:The group II azoreductase BTI1 utilizes NADPH to directly cleave azo bonds in water-soluble azo dyes, including quenchers of fluorescence. Unexpectedly, optimal reduction was dye specific, ranging from a pH of <5.5 for Janus green B, to pH 6.0 for methyl red, methyl orange, and BHQ-10, to pH >8.3 for flame orange. ...

journal_title：Applied and environmental microbiology

authors： Johansson HE,Johansson MK,Wong AC,Armstrong ES,Peterson EJ,Grant RE,Roy MA,Reddington MV,Cook RM

更新日期：2011-06-01 00:00:00

abstract：:Gamma irradiation is a nonthermal processing technology that has been used for the preservation of a variety of food products. This technology has been shown to effectively inactivate bacterial pathogens. Currently, the FDA has approved doses of up to 4.0 kGy to control food-borne pathogens in fresh iceberg lettuce an...

journal_title：Applied and environmental microbiology

authors： Feng K,Divers E,Ma Y,Li J

更新日期：2011-05-01 00:00:00

abstract：:DNA extraction procedures and PCR conditions to detect Vibrio vulnificus cells naturally occurring in oysters were developed. In addition, PCR amplification of V. vulnificus from oysters seeded with biotype 1 cells was demonstrated. By the methods described, V. vulnificus cells on a medium (colistin-polymyxin B-cellob...

journal_title：Applied and environmental microbiology

authors： Coleman SS,Melanson DM,Biosca EG,Oliver JD

更新日期：1996-04-01 00:00:00

abstract：:Contamination of food during processing is recognized as a main transmission route of Listeria monocytogenes To prevent microbial contamination, biocides are widely applied as disinfectants in food processing plants. However, there are concerns about the development of antimicrobial resistance in foodborne pathogens d...

journal_title：Applied and environmental microbiology

authors： Roedel A,Dieckmann R,Brendebach H,Hammerl JA,Kleta S,Noll M,Al Dahouk S,Vincze S

更新日期：2019-10-01 00:00:00

abstract：:The human gut is host to a diversity of microorganisms, including the single-celled microbial eukaryote Blastocystis. Research has shown that most carriers host a single Blastocystis subtype (ST), which is unusual given the considerable within-host species diversity observed for other microbial genera in this ecosyste...

journal_title：Applied and environmental microbiology

authors： Scanlan PD,Stensvold CR,Cotter PD

更新日期：2015-06-15 00:00:00

abstract：:An examination was made of various sites along the length of the swine large intestine, using strictly anaerobic culture methods. Sites were separated by differential washing into fractions described as lumenal content, lumenal surface layer, and intestinal wall tissue. Direct microscopic clump counts averaged 13.3 x ...

journal_title：Applied and environmental microbiology

authors： Russell EG

更新日期：1979-02-01 00:00:00

abstract：:The incorporation of tritiated thymidine by five microbial ecosystems and the distribution of tritium into DNA, RNA, and protein were determined. All microbial assemblages tested exhibited significant labeling of RNA and protein (i.e., nonspecific labeling), as determined by differential acid-base hydrolysis. Nonspeci...

journal_title：Applied and environmental microbiology

authors： Brittain AM,Karl DM

更新日期：1990-05-01 00:00:00

abstract：:In this study, multilocus sequence typing (MLST) was combined with the genetic detection of six genetic markers, ansB, dmsA, ggt, cj1585c, cjj81176-1367/71 (cj1365c), and the two-gene marker tlp7 (cj0951c plus cj0952c), to assess if their presence correlated with different C. jejuni clonal groups. Using a collection o...

journal_title：Applied and environmental microbiology

authors： Zautner AE,Herrmann S,Corso J,Tareen AM,Alter T,Gross U

更新日期：2011-04-01 00:00:00

abstract：:The vacuum residue fraction of heavy crudes contributes to the viscosity of these oils. Specific microbial cleavage of C-S bonds in alkylsulfide bridges that form linkages in this fraction may result in dramatic viscosity reduction. To date, no bacterial strains have been shown conclusively to cleave C-S bonds within ...

journal_title：Applied and environmental microbiology

authors： Van Hamme JD,Fedorak PM,Foght JM,Gray MR,Dettman HD

更新日期：2004-03-01 00:00:00

abstract：:A multiplex fluorogenic PCR assay for simultaneous detection of pathogenic Salmonella strains and Escherichia coli O157:H7 was developed and evaluated for use in detecting very low levels of these pathogens in meat and feces. Two sets of primers were used to amplify a junctional segment of virulence genes sipB and sip...

journal_title：Applied and environmental microbiology

authors： Sharma VK,Carlson SA

更新日期：2000-12-01 00:00:00

abstract：:A method was developed to deposit Bacillus subtilis spores via aerosolization onto various surface materials for biological agent decontamination and detection studies. This new method uses an apparatus coupled with a metered dose inhaler to reproducibly deposit spores onto various surfaces. A metered dose inhaler was...

journal_title：Applied and environmental microbiology

authors： Lee SD,Ryan SP,Snyder EG

更新日期：2011-03-01 00:00:00

abstract：:Treatment of secondary effluents with hydrogen peroxide (10 mg/liter)-ascorbic acid (10 mg/liter)-Cu2+ (0.5 mg/liter) for 60 min resulted in around 99% reduction of the initial plate count. Hydrogen peroxide could be replaced by other peroxygen compounds; ascorbic acid could be replaced by other reducing agents, of wh...

journal_title：Applied and environmental microbiology

authors： Ragab-Depre NJ

更新日期：1982-09-01 00:00:00

abstract：:Chitin is massively produced by freshwater plankton species as a structural element of their exoskeleton or cell wall. At the same time, chitin does not accumulate in the predominantly anoxic sediments, underlining its importance as carbon and nitrogen sources for sedimentary microorganisms. We studied chitin degradat...

journal_title：Applied and environmental microbiology

authors： Wörner S,Pester M

更新日期：2019-08-29 00:00:00

abstract：:Two subpopulations of Bacillus megaterium spores (1.360 and 1.355 g/ml) were obtained by density gradient centrifugation. The heavier spores had a higher thermoresistance (e.g., D(80) = 186 versus 81 min) and a higher DNA content (1.25 x 10 versus 0.65 x 10 g per spore, apparently corresponding to digenomic versus mon...

journal_title：Applied and environmental microbiology

authors： Belliveau BH,Beaman TC,Gerhardt P

更新日期：1990-09-01 00:00:00

abstract：:An indirect fluorescent antibody-membrane filter staining technique, which permitted the autecological study of Methylomonas methanica and Methylosinus trichosporium, was developed. This technique was used to assay the numbers of these two organisms in Cleveland Harbor. The concentrations of M. methanica and M. tricho...

journal_title：Applied and environmental microbiology

authors： Reed WM,Dugan PR

更新日期：1978-02-01 00:00:00

abstract：:Microbiological, genomic and transcriptomic analyses were used to examine three species from the bacterial genus Caldicellulosiruptor with respect to their capacity to convert the carbohydrate content of lignocellulosic biomass at 70°C to simple sugars, acetate, lactate, CO2, and H2. Caldicellulosiruptor bescii, C. kr...

journal_title：Applied and environmental microbiology

authors： Zurawski JV,Conway JM,Lee LL,Simpson HJ,Izquierdo JA,Blumer-Schuette S,Nookaew I,Adams MW,Kelly RM

更新日期：2015-10-01 00:00:00

abstract：:Thirty-two chemoheterotrophic bacteria were isolated from unsaturated subsurface soil samples obtained from ca. 70 m below land surface in a high desert in southeastern Idaho. Most isolates were gram positive (84%) and strict aerobes (79%). Acridine orange direct counts of microbes in one subsurface sample showed lowe...

journal_title：Applied and environmental microbiology

authors： Colwell FS

更新日期：1989-09-01 00:00:00

abstract：:Bifidobacteria constitute a specific group of commensal bacteria that inhabit the gastrointestinal tracts of humans and other mammals. Bifidobacterium breve UCC2003 has previously been shown to utilize several plant-derived carbohydrates that include cellodextrins, starch, and galactan. In the present study, we invest...

journal_title：Applied and environmental microbiology

authors： Egan M,O'Connell Motherway M,Ventura M,van Sinderen D

更新日期：2014-07-01 00:00:00

abstract：:Seawater used in mariculture has been suspected of being a potential source of infection. In this study, the lethal effects of low-amperage electric treatment on microorganisms were examined in natural seawater and in seawater inoculated with Vibrio parahaemolyticus. In both cases, bacteria including V. parahaemolytic...

journal_title：Applied and environmental microbiology

authors： Park JC,Lee MS,Lee DH,Park BJ,Han DW,Uzawa M,Takatori K

更新日期：2003-04-01 00:00:00

abstract：:Bacillus subtilis RB14, which showed antibiotic activities against several phytopathogens in vitro by producing the antibiotics iturin A and surfactin, was subjected to a pot test to investigate its ability to suppress damping-off of tomato seedlings caused by Rhizoctonia solani. To facilitate recovery from soil, B. s...

journal_title：Applied and environmental microbiology

authors： Asaka O,Shoda M

更新日期：1996-11-01 00:00:00

abstract：:Quantitative analysis of genes that code for Dehalococcoides 16S rRNA and chloroethene-reductive dehalogenases TceA, VcrA, and BvcA was done on groundwater sampled from 150 monitoring wells spread over 11 chlorinated ethene polluted European locations. Redundancy analysis was used to relate molecular data to geochemic...

journal_title：Applied and environmental microbiology

authors： van der Zaan B,Hannes F,Hoekstra N,Rijnaarts H,de Vos WM,Smidt H,Gerritse J

更新日期：2010-02-01 00:00:00

abstract：:Laboratory-grown strains of chemoautotrophic Thiomicrospira sp. strain L-12 and Thiobacillus neapolitanus produced cell carbon that was 24.6 to 25.1 ppt (24.6 to 25.1 mg/g) lower in C isotope abundance than the ambient source of carbon dioxide and bicarbonate. This degree of C isotope depletion was comparable to that ...

journal_title：Applied and environmental microbiology

authors： Ruby EG,Jannasch HW,Deuser WG

更新日期：1987-08-01 00:00:00

abstract：:In this report, we describe the selective cloning of large DNA fragments from magnetotactic metagenomes from various aquatic habitats. This was achieved by a two-step magnetic enrichment which allowed the mass collection of environmental magnetotactic bacteria (MTB) virtually free of nonmagnetic contaminants. Four fos...

journal_title：Applied and environmental microbiology

authors： Jogler C,Lin W,Meyerdierks A,Kube M,Katzmann E,Flies C,Pan Y,Amann R,Reinhardt R,Schüler D

更新日期：2009-06-01 00:00:00

abstract：:Laccases couple the oxidation of phenolic compounds to the reduction of molecular oxygen and thus span a wide variety of applications. While laccases of eukaryotes and bacteria are well characterized, these enzymes have not been described in archaea. Here, we report the purification and characterization of a laccase (...

journal_title：Applied and environmental microbiology

authors： Uthandi S,Saad B,Humbard MA,Maupin-Furlow JA

更新日期：2010-02-01 00:00:00

abstract：:This study examined the inactivation of human norovirus (HuNoV) GI.1 and GII.4 by chlorine under conditions mimicking sewage treatment. Using a porcine gastric mucin-magnetic bead (PGM-MB) assay, no statistically significant loss in HuNoV binding (inactivation) was observed for secondary effluent treatments of ≤25 ppm...

journal_title：Applied and environmental microbiology

authors： Kingsley DH,Fay JP,Calci K,Pouillot R,Woods J,Chen H,Niemira BA,Van Doren JM

更新日期：2017-11-16 00:00:00

abstract：:The ubiquitous arbuscular mycorrhizal fungi consume significant amounts of plant assimilated C, but this C flow has been difficult to quantify. The neutral lipid fatty acid 16:1omega5 is a quantitative signature for most arbuscular mycorrhizal fungi in roots and soil. We measured carbon transfer from four plant specie...

journal_title：Applied and environmental microbiology

authors： Olsson PA,van Aarle IM,Gavito ME,Bengtson P,Bengtsson G

更新日期：2005-05-01 00:00:00