Se(VI) reduction and the precipitation of Se(0) by the facultative bacterium Enterobacter cloacae SLD1a-1 are regulated by FNR.

abstract：:Microbial communities in extreme environments often have low diversity and specialized physiologies suggesting a limited resistance to change. The McMurdo Dry Valleys (MDV) are a microbially dominated, extreme ecosystem currently undergoing climate change-induced disturbances, including the melting of massive buried i...

journal_title：Applied and environmental microbiology

authors： Van Horn DJ,Okie JG,Buelow HN,Gooseff MN,Barrett JE,Takacs-Vesbach CD

更新日期：2014-05-01 00:00:00

abstract：:The ability of the facultative photoheterotroph Rhodobacter sphaeroides to tolerate and reduce high levels of tellurite in addition to at least 10 other rare earth metal oxides and oxyanions has considerable potential for detoxification and bioremediation of contaminated environments. We report the identification and ...

journal_title：Applied and environmental microbiology

authors： O'Gara JP,Gomelsky M,Kaplan S

更新日期：1997-12-01 00:00:00

abstract：:Cryptosporidium is a genus of waterborne protozoan parasites that causes significant gastrointestinal disease in humans. These parasites can accumulate in environmental biofilms and be subsequently released to contaminate water supplies. Natural microbial assemblages were collected each season from an eastern Pennsylv...

journal_title：Applied and environmental microbiology

authors： Wolyniak EA,Hargreaves BR,Jellison KL

更新日期：2010-02-01 00:00:00

abstract：:Freshwater, sewage, and fecal samples from various sources were examined for Rhodococcus coprophilus, associated actinomycetes, Escherichia coli, and fecal streptococci. Rhodococcus coprophilus was isolated consistently from feces of farm animals, poultry reared in proximity to farm animals, freshwater, and wastewater...

journal_title：Applied and environmental microbiology

authors： Mara DD,Oragui JI

更新日期：1981-12-01 00:00:00

abstract：:Thermostable and thermoactive beta-mannanase (1,4-beta-D-mannan mannanohydrolase [EC 3.2.1.78]), beta-mannosidase (beta-D-mannopyranoside hydrolase [EC 3.2.1.25]) and alpha-galactosidase (alpha-D-galactoside galactohydrolase [EC 3.2.1.22]) were purified to homogeneity from cell extracts and extracellular culture super...

journal_title：Applied and environmental microbiology

authors： Duffaud GD,McCutchen CM,Leduc P,Parker KN,Kelly RM

更新日期：1997-01-01 00:00:00

abstract：:An L-glutamine-overproducing mutant of an Escherichia coli K-12-derived strain was selected from randomly mutagenized cells in the course of L-alanyl-L-glutamine strain development. Genome-wide mutation analysis unveiled a novel mechanism for L-glutamine overproduction in this mutant. Three mutations were identified t...

journal_title：Applied and environmental microbiology

authors： Hayashi M,Tabata K

更新日期：2013-05-01 00:00:00

abstract：:Sixty-three strains of lactic streptococci isolated from commercial lactic streptococcal starter cultures were examined for lysogeny by treatment with ultraviolet light or mitomycin C. After treatment with the inducing agent, all strains, whether or not they lysed, were examined for evidence of phage release by electr...

journal_title：Applied and environmental microbiology

authors： Huggins AR,Sandine WE

更新日期：1977-01-01 00:00:00

abstract：UNLABELLED:Mechanistic studies of many processes in Agrobacterium tumefaciens have been hampered by a lack of genetic tools for characterization of essential genes. In this study, we used a Tn7-based method for inducible control of transcription from an engineered site on the chromosome. We demonstrate that this method...

journal_title：Applied and environmental microbiology

authors： Figueroa-Cuilan W,Daniel JJ,Howell M,Sulaiman A,Brown PJ

更新日期：2016-07-29 00:00:00

abstract：:Because dihydrostreptomycin can remain as a slowly removed antibiotic residue in dairy animals and because of the need for more sensitive procedures with which to provide information concerning antibiotic residues in food products, procedures were developed in more sensitive assays of dihydrostreptomycin in milk and s...

journal_title：Applied and environmental microbiology

authors： Inglis JM,Katz SE

更新日期：1978-03-01 00:00:00

abstract：:Pili (fimbriae) were observed on cells of each of the five strains of Bradyrhizobium japonicum and the one strain of Rhizobium trifolii examined. Pili on B. japonicum were about 4 nm in diameter and polarly expressed. Piliated cells were estimated by transmission electron microscopy and hydrophobic attachment to polys...

journal_title：Applied and environmental microbiology

authors： Vesper SJ,Bauer WD

更新日期：1986-07-01 00:00:00

abstract：:Sputter coating of leaf litter microbe samples provides scanning electron microscope images with greater information content than either vacuum evaporation of thin metal coatings or tissue conductance. ...

journal_title：Applied and environmental microbiology

authors： Draggan S

更新日期：1976-02-01 00:00:00

abstract：:Rubber-degrading activity was found in the extracellular culture medium of Xanthomonas sp. strain 35Y which was grown on natural rubber latex. Natural rubber in the latex state was degraded by the crude enzyme, and two fractions were separately observed by gel permeation chromatography of the reaction products. One fr...

journal_title：Applied and environmental microbiology

authors： Tsuchii A,Takeda K

更新日期：1990-01-01 00:00:00

abstract：:This study provides a set of nutritional and environmental parameters suitable for the growth of morel (Morchella crassipes) sclerotia in the laboratory, using a modification of the jar method of Ower et al. (U.S. patent 4,594,809, June 1986). The optimum nutritional and environmental conditions for morel sclerotium f...

journal_title：Applied and environmental microbiology

authors： Volk TJ,Leonard TJ

更新日期：1989-12-01 00:00:00

abstract：:This study was performed to determine the effects of feeding a fiber-rich fraction of Brassica vegetables on the immune response through changes in enteric bacteria and short-chain fatty acid (SCFA) production in normal mice. The boiled-water-insoluble fraction of Brassica rapa L. (nozawana), which consists mainly of ...

journal_title：Applied and environmental microbiology

authors： Tanaka S,Yamamoto K,Yamada K,Furuya K,Uyeno Y

更新日期：2016-04-18 00:00:00

abstract：:Recombinant strains of Pseudomonas putida KT2440 carrying genetic expression cassettes with xylene oxygenase- and styrene monooxygenase-encoding genes on their chromosomes could be induced in shaking-flask experiments to specific activities that rivaled those of multicopy-plasmid-based Escherichia coli recombinants. S...

journal_title：Applied and environmental microbiology

authors： Panke S,de Lorenzo V,Kaiser A,Witholt B,Wubbolts MG

更新日期：1999-12-01 00:00:00

abstract：:Eleven of 13 Enterobacteriaceae species tested grew in moist stored wheat, highlighting a potential risk of this energy-saving airtight storage method. When Hansenula anomala was coinoculated, all Enterobacteriaceae species were significantly inhibited after 2 months of storage, six of them to below the detection limi...

journal_title：Applied and environmental microbiology

authors： Olstorpe M,Schnürer J,Passoth V

更新日期：2012-01-01 00:00:00

abstract：:Standard plate count (SPC) bacteria were isolated from a drinking-water treatment facility and from the river supplying the facility. All isolates were identified and tested for their resistance to six antibiotics to determine if drug-resistant bacteria were selected for as a consequence of water treatment. Among the ...

journal_title：Applied and environmental microbiology

authors： Armstrong JL,Calomiris JJ,Seidler RJ

更新日期：1982-08-01 00:00:00

abstract：:A cup of coffee is the final product of a complex chain of operations. Wet postharvest processing of coffee is one of these operations, which involves a fermentation that inevitably has to be performed on-farm. During wet coffee processing, the interplay between microbial activities and endogenous bean metabolism resu...

journal_title：Applied and environmental microbiology

authors： Zhang SJ,De Bruyn F,Pothakos V,Torres J,Falconi C,Moccand C,Weckx S,De Vuyst L

更新日期：2019-03-06 00:00:00

abstract：UNLABELLED:Microbes can produce molecular hydrogen (H2) via fermentation, dinitrogen fixation, or direct photolysis, yet the H2 dynamics in cyanobacterial communities has only been explored in a few natural systems and mostly in the laboratory. In this study, we investigated the diel in situ H2 dynamics in a hot spring...

journal_title：Applied and environmental microbiology

authors： Revsbech NP,Trampe E,Lichtenberg M,Ward DM,Kühl M

更新日期：2016-06-30 00:00:00

abstract：:Pseudomonas syringae pv. phaseolicola NPS3121 hrp sequences were used as hybridization probes in a restriction fragment length polymorphism (RFLP) analysis of 24 P. syringae pv. tabaci strains as a means to evaluate the genetic and taxonomic relationship of pathovars of P. syringae. Southern blot analyses of genomic r...

journal_title：Applied and environmental microbiology

authors： Scholz BK,Jakobek JL,Lindgren PB

更新日期：1994-04-01 00:00:00

abstract：:Bacterium T-52, cultured on ethylene glycol, readily oxidized glycolate and glyoxylate and exhibited elevated activities of ethylene glycol dehydrogenase and glycolate oxidase. Labeled glyoxylate was identified in reaction mixtures containing [C]-ethylene glycol, but no glycolate was detected. The most likely pathway ...

journal_title：Applied and environmental microbiology

authors： Caskey WH,Taber WA

更新日期：1981-07-01 00:00:00

abstract：:A simple and efficient process for the production of a ruminant feed supplement, rich in crude protein (defined as total N X 6.25), by bacterial fermentation of cheese whey has been developed. The lactose in unpasteurized whey is fermented to lactate acid by Lactobacillus bulgaricus at a temperature of 43 degrees C an...

journal_title：Applied and environmental microbiology

authors： Reddy CA,Henderson HE,Erdman MD

更新日期：1976-12-01 00:00:00

abstract：:The present investigation showed by means of autoradiography that the cyanobacterium Microcystis wesenbergii did not incorporate [H]thymidine at nanomolar concentrations, whereas its associated heterotrophic bacteria appearing in the gelatinous cover of the cyanobacterium became labeled. Several other tested cyaobacte...

journal_title：Applied and environmental microbiology

authors： Bern L

更新日期：1985-01-01 00:00:00

abstract：:The aim of this study was to investigate the phenotypic and genotypic antibiotic resistance profiles of pseudomonads isolated from surfaces of a goat and lamb slaughterhouse, which were representative of areas that are possible sources of meat contamination. Mesophilic (85 isolates) and psychrotrophic (37 isolates) ps...

journal_title：Applied and environmental microbiology

authors： Lavilla Lerma L,Benomar N,Casado Muñoz Mdel C,Gálvez A,Abriouel H

更新日期：2014-11-01 00:00:00

abstract：:Thiolase (acetyl coenzyme A acetyltransferase; EC 2.3.1.9) from Clostridium acetobutylicum is a key enzyme in the production of acids and solvents in this organism. The purification and properties of the enzyme have already been described (D. P. Wiesenborn, F. B. Rudolph, and E.T. Papoutsakis, Appl. Environ. Microbiol...

journal_title：Applied and environmental microbiology

authors： Petersen DJ,Bennett GN

更新日期：1991-09-01 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：:The combination of ecological diversity with genetic and experimental tractability makes Drosophila a powerful model for the study of animal-associated microbial communities. Despite the known importance of yeasts in Drosophila physiology, behavior, and fitness, most recent work has focused on Drosophila-bacterial int...

journal_title：Applied and environmental microbiology

authors： Chandler JA,Eisen JA,Kopp A

更新日期：2012-10-01 00:00:00

abstract：:Sodium gradients in cyanobacteria play an important role in energy storage under photoautotrophic conditions but have not been well studied during autofermentative metabolism under the dark, anoxic conditions widely used to produce precursors to fuels. Here we demonstrate significant stress-induced acceleration of aut...

journal_title：Applied and environmental microbiology

authors： Carrieri D,Ananyev G,Lenz O,Bryant DA,Dismukes GC

更新日期：2011-10-01 00:00:00

abstract：:Two strains of Vibrio cholerae serotype O1 Inaba were isolated from eastern oysters, Crassostrea virginica, collected from estuarine waters in Florida during April 1980. The oyster meats and waters from which the oysters were collected had low fecal coliform counts, and the area had no prior evidence of sewage contami...

journal_title：Applied and environmental microbiology

authors： Hood MA,Ness GE,Rodrick GE

更新日期：1981-02-01 00:00:00

abstract：:The Mediterranean fruit fly (Ceratitis capitata) is a cosmopolitan pest of hundreds of species of commercial and wild fruits. It is considered a major economic pest of commercial fruits in the world. Adult Mediterranean fruit flies feed on all sorts of protein sources, including animal excreta, in order to develop egg...

journal_title：Applied and environmental microbiology

authors： Sela S,Nestel D,Pinto R,Nemny-Lavy E,Bar-Joseph M

更新日期：2005-07-01 00:00:00