Global molecular and morphological effects of 24-hour chromium(VI) exposure on Shewanella oneidensis MR-1.

abstract：:We identified a polyketide synthase (PKS) gene, pksN, from a strain of Nectria haematococca by complementing a mutant unable to synthesize a red perithecial pigment. pksN encodes a 2,106-amino-acid polypeptide with conserved motifs characteristic of type I PKS enzymatic domains: beta-ketoacyl synthase, acyltransferase...

journal_title：Applied and environmental microbiology

authors： Graziani S,Vasnier C,Daboussi MJ

更新日期：2004-05-01 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 order to develop a rapid and specific detection test for bacteria in soil, we improved a method based on the polymerase chain reaction (PCR). Each step of the protocol, including direct lysis of cells, DNA purification, and PCR amplification, was optimized. To increase the efficiency of lysis, a step particularly c...

journal_title：Applied and environmental microbiology

authors： Picard C,Ponsonnet C,Paget E,Nesme X,Simonet P

更新日期：1992-09-01 00:00:00

abstract：:Presently, the only effective treatment for celiac disease is a life-long gluten-free diet. In this work, we used a new mixture of selected sourdough lactobacilli and fungal proteases to eliminate the toxicity of wheat flour during long-time fermentation. Immunological (R5 antibody-based sandwich and competitive enzym...

journal_title：Applied and environmental microbiology

authors： Rizzello CG,De Angelis M,Di Cagno R,Camarca A,Silano M,Losito I,De Vincenzi M,De Bari MD,Palmisano F,Maurano F,Gianfrani C,Gobbetti M

更新日期：2007-07-01 00:00:00

abstract：:Pseudomonas aeruginosa and Vibrio cholerae showed a strong positive chemotactic response towards rum distillery wastewaters (mostos) and a high oxygen uptake rate in the presence of this complex substrate. Rum slops stimulated only motility in Aeromonas hydrophila and Escherichia coli. The A. hydrophila and E. coli is...

journal_title：Applied and environmental microbiology

authors： Fuentes FA,Biamon EJ,Hazen TC

更新日期：1983-12-01 00:00:00

abstract：:Rhodococcus erythropolis N1-36, a desulfurization strain, was grown in continuous culture at 10 different dilution rates with 50 (mu)M dibenzothiophene sulfone (DBTO(inf2)) as the growth-limiting nutrient. The steady-state biomass, concentrations of substrate (DBTO(inf2)) and product (monohydroxybiphenyl), saturation ...

journal_title：Applied and environmental microbiology

authors： Wang P,Humphrey AE,Krawiec S

更新日期：1996-08-01 00:00:00

abstract：:Epilithic bacteria were isolated nonselectively from riverbed stones and examined by gel zymography for their ability to produce alkylsulfatase (AS) enzymes and thus to metabolize alkyl sulfate surfactants such as sodium dodecyl sulfate. The percentages of AS+ isolates from stone epilithon at five sites from the sourc...

journal_title：Applied and environmental microbiology

authors： Anderson DJ,Day MJ,Russell NJ,White GF

更新日期：1988-02-01 00:00:00

abstract：:Differences in individual host responses have emerged as an issue regarding the health benefits of probiotics. Here, we applied ribosome engineering (RE) technology, developed in an actinomycete study, to Lacticaseibacillus rhamnosus GG (LGG). RE can effectively enhance microbial potential by using antibiotics to indu...

journal_title：Applied and environmental microbiology

authors： Ishida M,Namai F,Shigemori S,Kajikawa S,Tsukagoshi M,Sato T,Ogita T,Shimosato T

更新日期：2020-10-01 00:00:00

abstract：:The fall armyworm, Spodoptera frugiperda, is an invasive maize pest that has spread from the Americas into Africa and Asia and causes severe crop damage worldwide. Most populations of S. frugiperda show low susceptibility to Bacillus thuringiensis (Bt) Cry1Ab or Cry1Ac toxins, which have been proved to be effective ag...

journal_title：Applied and environmental microbiology

authors： Gómez I,Ocelotl J,Sánchez J,Aguilar-Medel S,Peña-Chora G,Lina-Garcia L,Bravo A,Soberón M

更新日期：2020-10-28 00:00:00

abstract：:Hartmannella vermiformis, a common amoebal inhabitant of potable-water systems, supports intracellular multiplication of Legionella pneumophila and is probably important in the transportation and amplification of legionellae within these systems. To provide a practical guide for decontamination of potable-water system...

journal_title：Applied and environmental microbiology

authors： Kuchta JM,Navratil JS,Shepherd ME,Wadowsky RM,Dowling JN,States SJ,Yee RB

更新日期：1993-12-01 00:00:00

abstract：:Three different gels (Sepharose 4B, Sephadex G-200, and Sephadex G-50) were evaluated as a means of removing humic contaminants from DNA extracts of environmental samples. Sepharose 4B gave superior separation of DNA from humics, and DNA purified in this way showed consistently greater amplification than DNA purified ...

journal_title：Applied and environmental microbiology

authors： Jackson CR,Harper JP,Willoughby D,Roden EE,Churchill PF

更新日期：1997-12-01 00:00:00

abstract：:Alteromonas is a widely distributed genus of marine Gammaproteobacteria, with representatives shown to be key players in diverse processes, including biogeochemical cycling and biofouling of marine substrata. While Alteromonas spp. are early colonizers of copper-based antifouling paints on marine vessels, their mechan...

journal_title：Applied and environmental microbiology

authors： Cusick KD,Polson SW,Duran G,Hill RT

更新日期：2020-01-21 00:00:00

abstract：:Acid-adapted strains of Escherichia coli K-12 W3110 were obtained by serial culture in medium buffered at pH 4.6 (M. M. Harden, A. He, K. Creamer, M. W. Clark, I. Hamdallah, K. A. Martinez, R. L. Kresslein, S. P. Bush, and J. L. Slonczewski, Appl Environ Microbiol 81:1932-1941, 2015, https://doi.org/10.1128/AEM.03494-...

journal_title：Applied and environmental microbiology

authors： He A,Penix SR,Basting PJ,Griffith JM,Creamer KE,Camperchioli D,Clark MW,Gonzales AS,Chávez Erazo JS,George NS,Bhagwat AA,Slonczewski JL

更新日期：2017-05-31 00:00:00

abstract：:Protoplasts of Claviceps purpurea were prepared by treatment of mycelium with a lytic mixture of snail gut enzyme and cellulase from Trichoderma viride. Such protoplasts could be efficiently lysed by Triton X-100 treatment at high osmotic pressure without Ca or Mg, allowing the release of intact vacuoles in high yield...

journal_title：Applied and environmental microbiology

authors： Keller U,Madry N,Kleinkauf H,Glund K

更新日期：1984-04-01 00:00:00

abstract：:Terminal olefins (1-alkenes) are natural products that have important industrial applications as both fuels and chemicals. However, their biosynthesis has been largely unexplored. We describe a group of bacteria, Jeotgalicoccus spp., which synthesize terminal olefins, in particular 18-methyl-1-nonadecene and 17-methyl...

journal_title：Applied and environmental microbiology

authors： Rude MA,Baron TS,Brubaker S,Alibhai M,Del Cardayre SB,Schirmer A

更新日期：2011-03-01 00:00:00

abstract：:Growing bacteria have a high concentration of ribosomes to ensure sufficient protein synthesis, which is necessary for genome replication and cellular division. To elucidate whether metabolic activity of soil microorganisms is coupled with growth, we investigated the relationship between rRNA and DNA synthesis in a so...

journal_title：Applied and environmental microbiology

authors： Papp K,Hungate BA,Schwartz E

更新日期：2018-04-02 00:00:00

abstract：:Azotobacter vinelandii selectively utilizes three types of nitrogenase (molybdenum, vanadium, and iron only) to fix N2, with their expression regulated by the presence or absence of different metal cofactors in its environment. Each alternative nitrogenase isoenzyme is predicted to have different electron flux require...

journal_title：Applied and environmental microbiology

authors： Natzke J,Noar J,Bruno-Bárcena JM

更新日期：2018-08-01 00:00:00

abstract：:Isolation of amoebae from the surface and internal tissues of edible mushrooms was investigated. Samples tested over a 3-year period included mushrooms cultivated from six geographic localities. Of 168 mushroom surfaces tested, 161 (96%) yielded amoebae. Of 166 samples of internal stalk and cap tissues tested, only 1 ...

journal_title：Applied and environmental microbiology

authors： Napolitano JJ

更新日期：1982-07-01 00:00:00

abstract：:Ensifer adhaerens is a soil bacterium that attaches to other bacteria and may cause lysis of these other bacteria. Based on the sequence of its small-subunit rRNA gene, E. adhaerens is related to Sinorhizobium spp. E. adhaerens ATCC 33499 did not nodulate Phaseolus vulgaris (bean) or Leucaena leucocephala, but with sy...

journal_title：Applied and environmental microbiology

authors： Rogel MA,Hernández-Lucas I,Kuykendall LD,Balkwill DL,Martinez-Romero E

更新日期：2001-07-01 00:00:00

abstract：:NisI confers immunity against nisin, with high substrate specificity to prevent a suicidal effect in nisin-producing Lactococcus lactis strains. However, the NisI maturation process as well as its influence on nisin resistance has not been characterized. Here, we report the roles of lipoprotein signal peptidase II (Ls...

journal_title：Applied and environmental microbiology

authors： Liu J,Xiong H,Du Y,Wiwatanaratanabutr I,Wu X,Zhao G,Zhu H,Caiyin Q,Qiao J

更新日期：2020-09-17 00:00:00

abstract：:Bacterial growth occurs in noncarbonated natural mineral waters a few days after filling and storage at room temperature, a phenomenon known for more than 40 years. Using the full-cycle rRNA approach, we monitored the development of the planktonic bacterial community in a noncarbonated natural mineral water after bott...

journal_title：Applied and environmental microbiology

authors： Loy A,Beisker W,Meier H

更新日期：2005-07-01 00:00:00

abstract：:A method was developed to detect NO- or N(2)O-producing bacteria in solid or liquid medium by their ability to oxidize the redox indicator resazurin from its reduced colorless form to its oxidized pink form. The method was sensitive to as little as 35 nM N(2)O or 0.5 nM NO. Ninety-one percent of the colonies that oxid...

journal_title：Applied and environmental microbiology

authors： Jenneman GE,Montgomery AD,McInerney MJ

更新日期：1986-04-01 00:00:00

abstract：:Enzymes with high specific activities at low temperatures have potential uses for chemical conversions when low temperatures are required, as in the food industry. Psychrotrophic microorganisms which grow at low temperatures may be a valuable source of cold-active enzymes that have higher activities at low temperature...

journal_title：Applied and environmental microbiology

authors： Trimbur DE,Gutshall KR,Prema P,Brenchley JE

更新日期：1994-12-01 00:00:00

abstract：UNLABELLED:Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) was detected in 2003 and rapidly became the predominant MRSA clade in the Netherlands. Studies have shown that transmissions are difficult to identify, since this MRSA variant represents a genetically homogenous clade when current typ...

journal_title：Applied and environmental microbiology

authors： Bosch T,Witteveen S,Haenen A,Landman F,Schouls LM

更新日期：2016-06-30 00:00:00

abstract：:To examine whether the heat-labile enterotoxin gene in porcine enterotoxigenic Escherichia coli (ETEC) strains is as divergent as in human ETEC strains, we sequenced the heat-labile and heat-stable toxin genes from 52 and 33 porcine ETEC strains, respectively. We found that the STa gene is identical, that the LT gene ...

journal_title：Applied and environmental microbiology

authors： Zhang C,Rausch D,Zhang W

更新日期：2009-10-01 00:00:00

abstract：:Mycosporine-like amino acids (MAAs) are an important class of secondary metabolites known for their protection against UV radiation and other stress factors. Cyanobacteria produce a variety of MAAs, including shinorine, the active ingredient in many sunscreen creams. Bioinformatic analysis of the genome of the soil-dw...

journal_title：Applied and environmental microbiology

authors： Katoch M,Mazmouz R,Chau R,Pearson LA,Pickford R,Neilan BA

更新日期：2016-09-30 00:00:00

abstract：:A trans unsaturated fatty acid was found as a major constituent in the lipids of Pseudomonas putida P8. The fatty acid was identified as 9-trans-hexadecenoic acid by gas chromatography, argentation thin-layer chromatography, and infrared absorption spectrometry. Growing cells of P. putida P8 reacted to the presence of...

journal_title：Applied and environmental microbiology

authors： Heipieper HJ,Diefenbach R,Keweloh H

更新日期：1992-06-01 00:00:00

abstract：:Lactobacillus gasseri ATCC 33323, Lactobacillus salivarius subsp. salivarius UCC 118, and Lactobacillus casei ATCC 334 contain one (LgaI), four (Sal1, Sal2, Sal3, Sal4), and one (Lca1) distinguishable prophage sequences, respectively. Sequence analysis revealed that LgaI, Lca1, Sal1, and Sal2 prophages belong to the g...

journal_title：Applied and environmental microbiology

authors： Ventura M,Canchaya C,Bernini V,Altermann E,Barrangou R,McGrath S,Claesson MJ,Li Y,Leahy S,Walker CD,Zink R,Neviani E,Steele J,Broadbent J,Klaenhammer TR,Fitzgerald GF,O'toole PW,van Sinderen D

更新日期：2006-05-01 00:00:00

abstract：:Chlorella stigmatophora LB 993 was grown in artificial seawater under controlled conditions. The production of cell wall polysaccharides attached to the cells and dissolved in the growth medium was monitored during algal growth. Preliminary characterization of the dissolved polysaccharides of C. stigmatophora and othe...

journal_title：Applied and environmental microbiology

authors： Kaplan D,Christiaen D,Arad SM

更新日期：1987-12-01 00:00:00

abstract：:Two acetyl esterases (EC 3.1.1.6) were purified to gel electrophoretic homogeneity from Thermoanaerobacterium sp. strain JW/SL-YS485, an anaerobic, thermophilic endospore former which is able to utilize various substituted xylans for growth. Both enzymes released acetic acid from chemically acetylated larch xylan. Ace...

journal_title：Applied and environmental microbiology

authors： Shao W,Wiegel J

更新日期：1995-02-01 00:00:00