Production and Biotechnological Potential of Extracellular Polymeric Substances from Sponge-Associated Antarctic Bacteria.

abstract：:Transpositional mutagenesis of Thiobacillus novellus by Tn501 was achieved by means of the incompatibility of IncP plasmids. Tn501 insertion caused three types of mutant phenotypes: isoleucine auxotrophy, lysine auxotrophy, and a reduced ability to oxidize reduced sulfur compounds and to fix CO(2). Oxidation rates for...

journal_title：Applied and environmental microbiology

authors： Davidson MS,Roy P,Summers AO

更新日期：1985-06-01 00:00:00

abstract：:Many pathogenic yeast species are asexual and therefore not involved in intra- or interspecies mating. However, high-frequency transfer of plasmid DNA was observed when pathogenic and food-borne yeasts were grown together. This property could play a crucial role in the spread of virulence and drug resistance factors a...

journal_title：Applied and environmental microbiology

authors： Mentel M,Spírek M,Jørck-Ramberg D,Piskur J

更新日期：2006-07-01 00:00:00

abstract：:1,2-Propanediol (1,2-PD) is a major commodity chemical that is currently derived from propylene, a nonrenewable resource. A goal of our research is to develop fermentation routes to 1,2-PD from renewable resources. Here we report the production of enantiomerically pure R-1,2-PD from glucose in Escherichia coli express...

journal_title：Applied and environmental microbiology

authors： Altaras NE,Cameron DC

更新日期：1999-03-01 00:00:00

abstract：:Viruses are the most abundant and diverse biological entities within soils, yet their ecological impact is largely unknown. Defining how soil viral communities change with perturbation or across environments will contribute to understanding the larger ecological significance of soil viruses. A new approach to examinin...

journal_title：Applied and environmental microbiology

authors： Srinivasiah S,Lovett J,Polson S,Bhavsar J,Ghosh D,Roy K,Fuhrmann JJ,Radosevich M,Wommack KE

更新日期：2013-09-01 00:00:00

abstract：:Thirty-three standard mycotoxins were assayed by thin-layer chromatography and by cytotoxicity in HEp-2 and Chang cells. Various levels of detection were found. The cytotoxicity test was significantly more sensitive than thin-layer chromatography for the trichothecenes and should be useful for screening extracts from ...

journal_title：Applied and environmental microbiology

authors： Robb J,Norval M

更新日期：1983-10-01 00:00:00

abstract：:By using an autoradiographic technique, one can follow, during ripening of a cheese, the distribution, size, and metabolic activity of microcolonies. Fragments of cheese were labeled with [H]leucine, fixed, and mounted in epoxy resin. After exposure and development, sections were examined by optical microscopy. In Cam...

journal_title：Applied and environmental microbiology

authors： Reyrolle J,Letellier F

更新日期：1979-12-01 00:00:00

abstract：:A negative enrichment procedure was developed which was capable of isolating Legionella pneumophila directly from seeded air-conditioning cooling tower water onto laboratory media. This procedure was based on an 8-h incubation under conditions that were bactericidal to the indigenous water microflora but merely bacter...

journal_title：Applied and environmental microbiology

authors： Thorpe TC,Miller RD

更新日期：1980-10-01 00:00:00

abstract：:The existence of airborne mycotoxins in mold-contaminated buildings has long been hypothesized to be a potential occupant health risk. However, little work has been done to demonstrate the presence of these compounds in such environments. The presence of airborne macrocyclic trichothecene mycotoxins in indoor environm...

journal_title：Applied and environmental microbiology

authors： Brasel TL,Martin JM,Carriker CG,Wilson SC,Straus DC

更新日期：2005-11-01 00:00:00

abstract：:Transformed root cultures of three nonmycotrophic and one mycotrophic plant species stimulated germination and hyphal growth of the vesicular-arbuscular mycorrhizal fungus Glomus etunicatum (Becker & Gerd.) in a gel medium. However, only roots of the mycotrophic species (carrot) supported continued hyphal exploration ...

journal_title：Applied and environmental microbiology

authors： Schreiner RP,Koide RT

更新日期：1993-08-01 00:00:00

abstract：:[This corrects the article on p. 1239 in vol. 45.]. ...

journal_title：Applied and environmental microbiology

authors：

更新日期：1983-07-01 00:00:00

abstract：:This study was aimed at assessing whether the repeated exposure of 12 strains of Salmonella spp., Escherichia coli, and Listeria monocytogenes to alternative nonthermal decontamination techniques with UV light (UV-C) and nonthermal atmospheric plasma (NTAP) may cause the emergence of variants showing increased resista...

journal_title：Applied and environmental microbiology

authors： Álvarez-Molina A,de Toro M,Ruiz L,López M,Prieto M,Alvarez-Ordóñez A

更新日期：2020-04-17 00:00:00

abstract：:A survey of Bacillus thuringiensis recovered from the environments of olive groves in Greece was carried out. Of 80 soil samples, 24 were found to contain B. thuringiensis with parasporal crystal inclusions; these were tested for toxicity against the olive fruit fly (Dacus oleae). Mortality levels of larvae caused by ...

journal_title：Applied and environmental microbiology

authors： Karamanlidou G,Lambropoulos AF,Koliais SI,Manousis T,Ellar D,Kastritsis C

更新日期：1991-08-01 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：:Soybean trypsin inhibitors are thought to ward off pathogens. Studies with aflatoxigenic strains of Aspergillus flavus and A. parasiticus, frequent soybean contaminants, revealed that trypsin inhibitors do not affect the growth of these fungi and aflatoxin production. Further, the availability of zinc, an essential mi...

journal_title：Applied and environmental microbiology

authors： Stössel P

更新日期：1986-07-01 00:00:00

abstract：:Currently only five (SEA-SEE) out of 27 known staphylococcal enterotoxins can be analyzed using commercially available kits.Six genes (seg, sei, sem, sen, seo, and seu), encoding putative and undetectable enterotoxins, are located on the enterotoxin gene cluster (egc) which is part of the Staphylococcus aureus genomic...

journal_title：Applied and environmental microbiology

authors： Schwendimann L,Merda D,Berger T,Denayer S,Feraudet Tarisse C,Kläui AJ,Messio S,Mistou MY,Nia Y,Hennekinne JA,Graber HU

更新日期：2020-12-18 00:00:00

abstract：:A pathway was metabolically engineered to produce poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), a biodegradable thermoplastic with proven commercial applications, from a single, unrelated carbon source. An expression system was developed in which a prpC strain of Salmonella enterica serovar Typhimurium, with a ...

journal_title：Applied and environmental microbiology

authors： Aldor IS,Kim SW,Prather KL,Keasling JD

更新日期：2002-08-01 00:00:00

abstract：:Respiration rates of bacterial cultures can be a powerful tool in gauging the effects of genetic manipulation and environmental changes affecting overall metabolism. We present an optical method for measuring respiration rates using a robust phosphorescence lifetime-based sensor and off-the-shelf technology. This meth...

journal_title：Applied and environmental microbiology

authors： Strovas TJ,Dragavon JM,Hankins TJ,Callis JB,Burgess LW,Lidstrom ME

更新日期：2006-02-01 00:00:00

abstract：:We evaluated the restriction fragment length polymorphism of genomic DNA among 53 strains of the phytopathogenic bacterium Pseudomonas syringae pv. syringae. Twenty-nine strains were isolated from beans, and the rest were isolated from 11 other hosts. Southern blots of DNA digested with EcoRI or HindIII were hybridize...

journal_title：Applied and environmental microbiology

authors： Legard DE,Aquadro CF,Hunter JE

更新日期：1993-12-01 00:00:00

abstract：:Chemolithotrophic ammonium-oxidizing and nitrite-oxidizing bacteria including Nitrosomonas europaea, Nitrosococcus oceanus, Nitrobacter sp., Nitiospina gracilis, and Nitrococcus mobilis were examined as to their ability to oxidize methane in the absence of ammonium or nitrite. All ammonium oxidizers tested had the abi...

journal_title：Applied and environmental microbiology

authors： Jones RD,Morita RY

更新日期：1983-02-01 00:00:00

abstract：:Pseudomonas sp. strain KIE171 was able to grow with isopropylamine or L-alaninol [S-(+)-2-amino-1-propanol] as the sole carbon source, but not with D-alaninol. To investigate the hypothesis that L-alaninol is an intermediate in the degradation of isopropylamine, two mini-Tn5 mutants unable to utilize both isopropylami...

journal_title：Applied and environmental microbiology

authors： de Azevedo Wäsch SI,van der Ploeg JR,Maire T,Lebreton A,Kiener A,Leisinger T

更新日期：2002-05-01 00:00:00

abstract：:The survival of Azospirillum brasilense Cd and Sp-245 in the rhizosphere of wheat and tomato plants and in 23 types of plant-free sterilized soils obtained from a wide range of environments in Israel and Mexico was evaluated. Large numbers of A. brasilense cells were detected in all the rhizospheres tested, regardless...

journal_title：Applied and environmental microbiology

authors： Bashan Y,Puente ME,Rodriguez-Mendoza MN,Toledo G,Holguin G,Ferrera-Cerrato R,Pedrin S

更新日期：1995-05-01 00:00:00

abstract：:Previous studies have demonstrated that Staphylococcus epidermidis isolates colonizing the skin of healthy humans do not typically encode icaADBC, the genes responsible for the production of polysaccharide intercellular adhesin or biofilms. It was therefore hypothesized that the presence of icaADBC was deleterious to ...

journal_title：Applied and environmental microbiology

authors： Rogers KL,Rupp ME,Fey PD

更新日期：2008-10-01 00:00:00

abstract：:Metabolic engineering and multisubunit protein production necessitate the expression of multiple genes at coordinated levels. In bacteria, genes for multisubunit proteins or metabolic pathways are often expressed in operons under the control of a single promoter; expression of the genes is coordinated by varying trans...

journal_title：Applied and environmental microbiology

authors： Smolke CD,Carrier TA,Keasling JD

更新日期：2000-12-01 00:00:00

abstract：:The diversity and dynamics of a bacterial community extracted from an exploited oil field with high natural soil salinity near Comodoro Rivadavia in Patagonia (Argentina) were investigated. Community shifts during long-term incubation with diesel fuel at four salinities between 0 and 20% NaCl were monitored by single-...

journal_title：Applied and environmental microbiology

authors： Kleinsteuber S,Riis V,Fetzer I,Harms H,Müller S

更新日期：2006-05-01 00:00:00

abstract：:Although tractable model organisms are essential to characterize the molecular mechanisms of evolution and adaptation, the ecological relevance of their behavior is not always clear because certain traits are easily lost during long-term laboratory culturing. Here, we demonstrate that despite their long tenure in the ...

journal_title：Applied and environmental microbiology

authors： Beer KD,Wurtmann EJ,Pinel N,Baliga NS

更新日期：2014-03-01 00:00:00

abstract：:The growth of Vibrio parahaemolyticus in a liquid medium was compared with that of human fecal flora and estuarine flora. No marked differences were noted between growth at 25 and 37 degrees C for V. parahaemolyticus. However, the marine organisms were strongly inhibited when incubated at 37 degrees C. Incubation for ...

journal_title：Applied and environmental microbiology

authors： Dupray E,Cormier M

更新日期：1983-11-01 00:00:00

abstract：:The formation of DNA photoproducts in organisms exposed to ambient levels of UV-B radiation can lead to death and/or reduced population growth in aquatic systems. Dependence on photoenzymatic repair to reverse DNA damage caused by UV-B radiation is demonstrated for Paraphysomonas sp., a member of a widely distributed ...

journal_title：Applied and environmental microbiology

authors： Macaluso AL,Mitchell DL,Sanders RW

更新日期：2009-07-01 00:00:00

abstract：:To ascertain whether position 131 of a mesophilic protease, subtilisin BPN', is a potential critical site for cold adaptation as screened by evolutionary engineering (S. Taguchi, A. Ozaki, and H. Momose, Appl. Environ. Microbiol. 64:492-495, 1998), a full set of subtilisin BPN' mutants with mutations at position 131 w...

journal_title：Applied and environmental microbiology

authors： Taguchi S,Komada S,Momose H

更新日期：2000-04-01 00:00:00

abstract：:Sphingomonas paucimobilis B90A is able to degrade the alpha-, beta-, gamma-, and delta-isomers of hexachlorocyclohexane (HCH). It contains the genes linA, linB, linC, linD, linE, and linR, which have been implicated in HCH degradation. In this study, dynamic expression of the lin genes was measured in chemostat-grown ...

journal_title：Applied and environmental microbiology

authors： Suar M,van der Meer JR,Lawlor K,Holliger C,Lal R

更新日期：2004-11-01 00:00:00

abstract：:Five strains of mesophilic, facultatively organotrophic, ore-leaching eubacteria were isolated from solfatara fields in Iceland and a uranium mine in the Federal Republic of Germany. The new organisms are aerobic gram-negative rods. They can use sulfidic ores or elemental sulfur as sole energy source, indicating that ...

journal_title：Applied and environmental microbiology

authors： Huber H,Stetter KO

更新日期：1990-02-01 00:00:00