Effects of fixation on cell volume of marine planktonic protozoa.

abstract：:Representatives of only four well-characterized bacterial phyla were isolated from a pasture soil by using liquid serial dilution culture. In contrast, members of Acidobacteria, Verrucomicrobia, and Gemmatimonadetes and of other poorly represented bacterial lineages were isolated in earlier experiments with solidified...

journal_title：Applied and environmental microbiology

authors： Schoenborn L,Yates PS,Grinton BE,Hugenholtz P,Janssen PH

更新日期：2004-07-01 00:00:00

abstract：:The genus Aeromonas includes some species that have now been identified as human pathogens of significant medical importance. We investigated the ability of 13 selected Aeromonas strains belonging to nine species isolated from clinical cases (n = 5), environmental waters (n = 5), and fish (n = 3) to adhere to and tran...

journal_title：Applied and environmental microbiology

authors： Hatje E,Neuman C,Katouli M

更新日期：2014-01-01 00:00:00

abstract：:Incorporation of plant residues strongly enhances the methane production and emission from flooded rice fields. Temperature and residue type are important factors that regulate residue decomposition and CH(4) production. However, the response of the methanogenic archaeal community to these factors in rice field soil i...

journal_title：Applied and environmental microbiology

authors： Peng J,Lü Z,Rui J,Lu Y

更新日期：2008-05-01 00:00:00

abstract：:Three cutinase gene-like genes from the basidiomycete Coprinopsis cinerea (Coprinus cinereus) found with a similarity search were cloned and expressed in Trichoderma reesei under the control of an inducible cbh1 promoter. The selected transformants of all three polyesterase constructs showed activity with p-nitropheny...

journal_title：Applied and environmental microbiology

authors： Kontkanen H,Westerholm-Parvinen A,Saloheimo M,Bailey M,Rättö M,Mattila I,Mohsina M,Kalkkinen N,Nakari-Setälä T,Buchert J

更新日期：2009-04-01 00:00:00

abstract：:Cytolethal distending toxins (CDT) are potent cytotoxins of several Gram-negative pathogenic bacteria, including Escherichia coli, in which five types (CDT-I to CDT-V) have been identified so far. CDT-V is frequently associated with Shiga-toxigenic E. coli (STEC), enterohemorrhagic E. coli (EHEC) O157 strains, and str...

journal_title：Applied and environmental microbiology

authors： Sváb D,Horváth B,Maróti G,Dobrindt U,Tóth I

更新日期：2013-08-01 00:00:00

abstract：:Two different DNA fragments, one of 2.9 kilobases and the other of 5.1 kilobases, were cloned from Phytophthora citrophthora and showed no homology with DNA from plants and other related fungi. These DNA probes hybridized with DNA from 12 different P. citrophthora isolates obtained from a variety of hosts but did not ...

journal_title：Applied and environmental microbiology

authors： Goodwin PH,Kirkpatrick BC,Duniway JM

更新日期：1990-03-01 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：:Eighteen of 1,200 colonies of Escherichia coli isolated from "keebe," hamburger, or sausage produced heat-labile enterotoxin. None of them produced heat-stable enterotoxin. The characteristics of 9 of the 18 strains are presented. ...

journal_title：Applied and environmental microbiology

authors： Reis MH,Vasconcelos JC,Trabulsi LR

更新日期：1980-01-01 00:00:00

abstract：:Bacteroides fragilis subsp. fragilis was maintained in a chemostat modified for anaerobic conditions to test the effects of dissolved oxygen and Eh on growth. Using a defined medium containing glucose and a dilution rate of 0.16 h -1, a stable population of 3 X 10(9) colony-forming units/ml was present. At this steady...

journal_title：Applied and environmental microbiology

authors： Onderdonk AB,Johnston J,Mayhew JW,Gorbach SL

更新日期：1976-02-01 00:00:00

abstract：:Campylobacter jejuni and Campylobacter coli are naturally competent, but limited information exists on the impact of environmental conditions on transformation. In this study, we investigated the impact of temperature and microaerobic versus aerobic atmosphere on transformation of C. coli to erythromycin and nalidixic...

journal_title：Applied and environmental microbiology

authors： Kim JS,Kim JW,Kathariou S

更新日期：2008-10-01 00:00:00

abstract：:Helix alpha 4 of Bacillus thuringiensis Cry toxins is thought to play a critical role in the toxins' mode of action. Accordingly, single-site substitutions of many Cry1Aa helix alpha 4 amino acid residues have previously been shown to cause substantial reductions in the protein's pore-forming activity. Changes in prot...

journal_title：Applied and environmental microbiology

authors： Girard F,Vachon V,Préfontaine G,Marceau L,Schwartz JL,Masson L,Laprade R

更新日期：2009-01-01 00:00:00

abstract：:Integrated air sampling and PCR-based methods for detecting airborne fungal spores, using Penicillium roqueforti as a model fungus, are described. P. roqueforti spores were collected directly into Eppendorf tubes using a miniature cyclone-type air sampler. They were then suspended in 0.1% Nonidet P-40, and counted usi...

journal_title：Applied and environmental microbiology

authors： Williams RH,Ward E,McCartney HA

更新日期：2001-06-01 00:00:00

abstract：:The potential of Pseudomonas pseudoflava to produce poly-beta-hydroxyalkanoates (PHAs) from pentoses was studied. This organism was able to use a hydrolysate from the hemicellulosic fraction of poplar wood as a carbon and energy source for its growth. However, in batch cultures, growth was inhibited completely at hydr...

journal_title：Applied and environmental microbiology

authors： Bertrand JL,Ramsay BA,Ramsay JA,Chavarie C

更新日期：1990-10-01 00:00:00

abstract：:We investigated whether the yield of the B vitamin folic acid could be elevated in Bacillus subtilis. Strategies for increasing the folic acid yield were investigated by employing computer-aided flux analysis and mutation. Controlling the activity of the enzyme pyruvate kinase by placing it under inducible control was...

journal_title：Applied and environmental microbiology

authors： Zhu T,Pan Z,Domagalski N,Koepsel R,Ataai MM,Domach MM

更新日期：2005-11-01 00:00:00

abstract：:Efficient biosynthesis of L-tyrosine from glucose is necessary to make biological production economically viable. To this end, we designed and constructed a modular biosynthetic pathway for L-tyrosine production in E. coli MG1655 by encoding the enzymes for converting erythrose-4-phosphate (E4P) and phosphoenolpyruvat...

journal_title：Applied and environmental microbiology

authors： Juminaga D,Baidoo EE,Redding-Johanson AM,Batth TS,Burd H,Mukhopadhyay A,Petzold CJ,Keasling JD

更新日期：2012-01-01 00:00:00

abstract：:The frequency of Escherichia coli infection has lead to concerns over pathogenic bacteria in our food supply and a demand for therapeutics. Glycolipids on gut cells serve as receptors for the Shiga-like toxin produced by E. coli. Oligosaccharide moiety analogues of these glycolipids can compete with receptors for the ...

journal_title：Applied and environmental microbiology

authors： Liu Z,Lu Y,Zhang J,Pardee K,Wang PG

更新日期：2003-04-01 00:00:00

abstract：:Predictive models, based on environmental and water quality variables, have been used to improve the timeliness and accuracy of recreational water quality assessments, but their effectiveness has not been studied in inland waters. Sampling at eight inland recreational lakes in Ohio was done in order to investigate usi...

journal_title：Applied and environmental microbiology

authors： Francy DS,Stelzer EA,Duris JW,Brady AM,Harrison JH,Johnson HE,Ware MW

更新日期：2013-03-01 00:00:00

abstract：:Rolling circle amplification (RCA) generates large single-stranded and tandem repeats of target DNA as amplicons. This technique was applied to in situ nucleic acid amplification (in situ RCA) to visualize and count single Escherichia coli cells carrying a specific gene sequence. The method features (i) one short targ...

journal_title：Applied and environmental microbiology

authors： Maruyama F,Kenzaka T,Yamaguchi N,Tani K,Nasu M

更新日期：2005-12-01 00:00:00

abstract：:The chlorine resistance of cysts of the flagellate protozoan Giardia muris was examined. This organism, which is pathogenic to mice, is being considered as a model for the inactivation of the human pathogen Giardia lamblia. Excystation was used as the criterion for cyst viability. Experiments were performed at pH 5, 7...

journal_title：Applied and environmental microbiology

authors： Leahy JG,Rubin AJ,Sproul OJ

更新日期：1987-07-01 00:00:00

abstract：:The production of biofuels from lignocellulose yields a substantial lignin by-product stream that currently has few applications. Biological conversion of lignin-derived compounds into chemicals and fuels has the potential to improve the economics of lignocellulose-derived biofuels, but few microbes are able both to c...

journal_title：Applied and environmental microbiology

authors： Clarkson SM,Giannone RJ,Kridelbaugh DM,Elkins JG,Guss AM,Michener JK

更新日期：2017-08-31 00:00:00

abstract：:Helicobacter pylori is considered one of the major risk factors underlying the development of gastritis and gastric and duodenal ulcers. Moreover, 50% of the population carries this bacterium, and consequently, when it is detected, eradication of H. pylori is strongly recommended. Regarding the use of probiotics as fu...

journal_title：Applied and environmental microbiology

authors： Chenoll E,Casinos B,Bataller E,Astals P,Echevarría J,Iglesias JR,Balbarie P,Ramón D,Genovés S

更新日期：2011-02-01 00:00:00

abstract：:The concentration of 2-aminoethylphosphonic acid has been measured in seven genera of rumen ciliate protozoa. Expressed as milligrams per gram of total nitrogen, 2-aminoethylphosphonic acid concentrations ranged from 17.2 in Ophryoscolex spp. to 72.4 in Eremoplastron spp. ...

journal_title：Applied and environmental microbiology

authors： Whitelaw FG,Bruce LA,Eadie JM,Shand WJ

更新日期：1983-10-01 00:00:00

abstract：:A glycosyltransferase, involved in the synthesis of cyclic maltosylmaltose [CMM; cyclo-{-->6)-alpha-D-Glcp(1-->4)-alpha-D-Glcp(1-->6)-alpha-D-Glcp(1-->4)-alpha-D-Glcp(1-->}] from starch, was purified to homogeneity from the culture supernatant of Arthrobacter globiformis M6. The CMM-forming enzyme had a molecular mass...

journal_title：Applied and environmental microbiology

authors： Mukai K,Watanabe H,Kubota M,Chaen H,Fukuda S,Kurimoto M

更新日期：2006-02-01 00:00:00

abstract：:High numbers (10(7) to 10(10) cells per g [dry weight]) of heterotrophic, gram-negative, rod-shaped, non-sporeforming, aerobic, thermophilic bacteria related to the genus Thermus were isolated from thermogenic composts at temperatures between 65 and 82 degrees C. These bacteria were present in different types of waste...

journal_title：Applied and environmental microbiology

authors： Beffa T,Blanc M,Lyon PF,Vogt G,Marchiani M,Fischer JL,Aragno M

更新日期：1996-05-01 00:00:00

abstract：:The quorum sensing (QS) system controls bacterial group behaviors in response to cell density. In vibrios, LuxR and AphA are two master QS regulators (MQSRs) controlling gene expression in response to high or low cell density. Other regulators involved in the regulation of these two MQSRs and QS pathways remain to be ...

journal_title：Applied and environmental microbiology

authors： Gao X,Wang X,Mao Q,Xu R,Zhou X,Ma Y,Liu Q,Zhang Y,Wang Q

更新日期：2018-05-31 00:00:00

abstract：:The capacity of Azospirillum brasilense to enhance the accumulation of K, P, Ca, Mg, S, Na, Mn, Fe, B, Cu, and Zn in inoculated wheat and soybean plants was evaluated by using two different analytical methods with five A. brasilense strains originating from four distinct geographical regions. A Pseudomonas isolate fro...

journal_title：Applied and environmental microbiology

authors： Bashan Y,Harrison SK,Whitmoyer RE

更新日期：1990-03-01 00:00:00

abstract：:Many cyanobacteria are known to tolerate environmental extremes. Motivated by an interest in selecting cyanobacteria for applications in space, we launched rocks from a limestone cliff in Beer, Devon, United Kingdom, containing an epilithic and endolithic rock-dwelling community of cyanobacteria into low Earth orbit (...

journal_title：Applied and environmental microbiology

authors： Olsson-Francis K,de la Torre R,Cockell CS

更新日期：2010-04-01 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：:Enterohemorrhagic Escherichia coli O157:H7 has a natural reservoir in the intestinal tracts of cattle. Colonization is asymptomatic and transient, but it is not clear if protective immunity is induced. This study demonstrates that prior colonization induces humoral immune responses to bacterial antigens and reduces ba...

journal_title：Applied and environmental microbiology

authors： Naylor SW,Flockhart A,Nart P,Smith DG,Huntley J,Gally DL,Low JC

更新日期：2007-06-01 00:00:00

abstract：:Hexamita sp. is an amitochondriate free-living diplomonad which inhabits O(2)-limited environments, such as the deep waters and sediments of lakes and marine basins. C nuclear magnetic resonance spectroscopy reveals ethanol, lactate, acetate, and alanine as products of glucose fermentation under microaerobic condition...

journal_title：Applied and environmental microbiology

authors： Biagini GA,McIntyre PS,Finlay BJ,Lloyd D

更新日期：1998-01-01 00:00:00