Differential sunlight sensitivity of picophytoplankton from surface Mediterranean Coastal Waters.

abstract：:Azospirillum is a rhizobacterial genus containing plant growth-promoting species associated with different crops worldwide. Azospirillum brasilense strains exhibit a growth-promoting effect by means of phytohormone production and possibly by N2 fixation. However, one of the most important factors for achieving an incr...

journal_title：Applied and environmental microbiology

authors： Stets MI,Alqueres SM,Souza EM,Pedrosa Fde O,Schmid M,Hartmann A,Cruz LM

更新日期：2015-10-01 00:00:00

abstract：:To investigate the microbiology and epidemiology of the 1,700 sporadic cases of listeriosis that occur annually in the United States, we developed a multilocus enzyme electrophoresis (MEE) typing system for Listeria monocytogenes. We studied 390 isolates by MEE. Eighty-two electrophoretic types (ETs) were defined. Two...

journal_title：Applied and environmental microbiology

authors： Bibb WF,Gellin BG,Weaver R,Schwartz B,Plikaytis BD,Reeves MW,Pinner RW,Broome CV

更新日期：1990-07-01 00:00:00

abstract：:Sulfate-reducing bacteria (SRB) in anoxic waters and sediments are the major producers of methylmercury in aquatic systems. Although a considerable amount of work has addressed the environmental factors that control methylmercury formation and the conditions that control bioavailability of inorganic mercury to SRB, li...

journal_title：Applied and environmental microbiology

authors： Ekstrom EB,Morel FM,Benoit JM

更新日期：2003-09-01 00:00:00

abstract：:Four Staphylococcus aureus-Escherichia coli shuttle vectors were constructed for gene expression and production of tagged fusion proteins. Vectors pBUS1-HC and pTSSCm have no promoter upstream of the multiple cloning site (MCS), and this allows study of genes under the control of their native promoters, and pBUS1-Pcap...

journal_title：Applied and environmental microbiology

authors： Schwendener S,Perreten V

更新日期：2015-05-01 00:00:00

abstract：:Bacteriophages against Streptococcus thermophilus are a growing problem in the Italian cheese industry. One possible control method involves replacing S. thermophilus in mozzarella starter blends with lactic acid bacteria from a different genus or species. In this study, we evaluated lactose-positive pediococci for th...

journal_title：Applied and environmental microbiology

authors： Caldwell SL,McMahon DJ,Oberg CJ,Broadbent JR

更新日期：1996-03-01 00:00:00

abstract：:We examined the effect of different sediment types on the staining effectiveness of the fluorochrome DAPI (4'-6-diamidino-2-phenylindole dihydrochloride) over a wide range of concentrations and on the masking effect of sediment particles on DAPI-stained bacteria. Sediment type greatly affects the staining efficiency o...

journal_title：Applied and environmental microbiology

authors： Schallenberg M,Kalff J,Rasmussen JB

更新日期：1989-05-01 00:00:00

abstract：UNLABELLED:Rhizobia are best known for nodulating legume roots and fixing atmospheric nitrogen for the host in exchange for photosynthates. However, the majority of the diverse strains of rhizobia do not form nodules on legumes, often because they lack key loci that are needed to induce nodulation. Nonnodulating rhizob...

journal_title：Applied and environmental microbiology

authors： Gano-Cohen KA,Stokes PJ,Blanton MA,Wendlandt CE,Hollowell AC,Regus JU,Kim D,Patel S,Pahua VJ,Sachs JL

更新日期：2016-08-15 00:00:00

abstract：:Aeromonas caviae W-61, which was isolated from water samples at the Faculty of Agriculture, Tohoku University, produced beta-1, 4-xylanase (1,4-beta-d-xylan xylanohydrolase; EC 3.2.1.8) extracellularly. The xylanase was purified to homogeneity by using DEAE-Sephadex A-50, CM-Sephadex C-50, and Sephadex G-100 column ch...

journal_title：Applied and environmental microbiology

authors： Viet DN,Kamio Y,Abe N,Kaneko J,Izaki K

更新日期：1991-02-01 00:00:00

abstract：:Bacteria in the genus Streptomyces and its close relatives are prolific producers of secondary metabolites with antibiotic activity. Genome sequencing of these bacteria has revealed a rich source of potentially new antibiotic pathways, whose products have never been observed. Moreover, these new pathways can provide n...

journal_title：Applied and environmental microbiology

authors： Fayed B,Ashford DA,Hashem AM,Amin MA,El Gazayerly ON,Gregory MA,Smith MC

更新日期：2015-12-01 00:00:00

abstract：:In Lactococcus lactis, which is widely used as a starter in the cheese industry, the first step of aromatic and branched-chain amino acid degradation is a transamination which is catalyzed by two major aminotransferases. We have previously purified and characterized biochemically and genetically the aromatic aminotran...

journal_title：Applied and environmental microbiology

authors： Yvon M,Chambellon E,Bolotin A,Roudot-Algaron F

更新日期：2000-02-01 00:00:00

abstract：:A fixed-bed loop, high-rate anaerobic bioreactor treating sulfite evaporator condensate was sampled when it reached steady state and afterwards following perturbations during a 14-month period. By using immunotechnology, it was observed that shifts in methanogenic subpopulations occurred in association with perturbati...

journal_title：Applied and environmental microbiology

authors： Macario AJ,Conway de Macario E,Ney U,Schoberth SM,Sahm H

更新日期：1989-08-01 00:00:00

abstract：:Determination of microbial viability by the plate count method is routine in microbiology laboratories worldwide. However, limitations of the technique, particularly with respect to environmental microorganisms, are widely recognized. Many alternatives based upon viability staining have been proposed, and these are of...

journal_title：Applied and environmental microbiology

authors： Davey HM

更新日期：2011-08-15 00:00:00

abstract：:Detection of pathogens in contaminated food products by PCR can result in false-positive data due to the amplification of DNA from nonviable cells. A new method based on reverse transcription-PCR (RT-PCR) amplification of mRNA for the specific detection of viable Listeria monocytogenes was developed. The expression of...

journal_title：Applied and environmental microbiology

authors： Klein PG,Juneja VK

更新日期：1997-11-01 00:00:00

abstract：:An in-depth study of the continuous cell line designated BGM is described herein, and recommendations are made for standardizing cell culture and viral assay procedures. Based on data gathered from a survey of 58 laboratories using this cell line, a research plan was developed that included the study of growth media, ...

journal_title：Applied and environmental microbiology

authors： Dahling DR,Wright BA

更新日期：1986-04-01 00:00:00

abstract：:Subsurface sediments were recovered from a 52-m-deep borehole cored in the 300 Area of the Hanford Site in southeastern Washington State to assess the potential for biogeochemical transformation of radionuclide contaminants. Microbial analyses were made on 17 sediment samples traversing multiple geological units: the ...

journal_title：Applied and environmental microbiology

authors： Lin X,Kennedy D,Peacock A,McKinley J,Resch CT,Fredrickson J,Konopka A

更新日期：2012-02-01 00:00:00

abstract：:The influence of glucose concentration on Cd, Cu, Hg, and Zn toxicity to a Klebsiella sp. was studied by following the degradation of C-labeled glucose at pH 6.0. Uptake of C into the cells was also determined. The carbon concentrations ranged from 0.01 to 40 mg liter, which are equivalent to soluble C concentrations ...

journal_title：Applied and environmental microbiology

authors： Brynhildsen L,Lundgren BV,Allard B,Rosswall T

更新日期：1988-07-01 00:00:00

abstract：:Competitive exclusion of Salmonella enterica serovar Enteritidis by a mixed culture of Lactobacillus crispatus and Clostridium lactatifermentans was studied in a sequencing fed-batch reactor mimicking the cecal ecophysiology of broiler chickens. Growth of serovar Enteritidis was inhibited by a mixed culture of L. cris...

journal_title：Applied and environmental microbiology

authors： van der Wielen PW,Lipman LJ,van Knapen F,Biesterveld S

更新日期：2002-02-01 00:00:00

abstract：:The adaptation of Lactobacillus sakei to a meat environment is reflected in its metabolic potential. For instance, the ability to utilize arginine through the arginine deiminase (ADI) pathway, resulting in additional ATP, represents a competitive benefit. In L. sakei CTC 494, the arc operon (arcABCTDR) shows the same ...

journal_title：Applied and environmental microbiology

authors： Rimaux T,Rivière A,Illeghems K,Weckx S,De Vuyst L,Leroy F

更新日期：2012-07-01 00:00:00

abstract：:The genus Exiguobacterium can adapt readily to, and survive in, diverse environments. Our study demonstrated that Exiguobacterium sp. strain S3-2, isolated from marine sediment, is resistant to five antibiotics. The plasmid pMC1 in this strain carries seven putative resistance genes. We functionally characterized thes...

journal_title：Applied and environmental microbiology

authors： Yang J,Wang C,Wu J,Liu L,Zhang G,Feng J

更新日期：2014-02-01 00:00:00

abstract：:Three Rhizobium japonicum strains and two slow-growing cowpea-type Rhizobium strains were found to remain viable and able to rapidly modulate their respective hosts after being stored in purified water at ambient temperatures for periods of 1 year and longer. Three fast-growing Rhizobium species did not remain viable ...

journal_title：Applied and environmental microbiology

authors： Crist DK,Wyza RE,Mills KK,Bauer WD,Evans WR

更新日期：1984-05-01 00:00:00

abstract：:Cereulide and valinomycin are highly similar cyclic dodecadepsipeptides with potassium ionophoric properties. Cereulide, produced by members of the Bacillus cereus group, is known mostly as emetic toxin, and no ecological function has been assigned. A comparative analysis of the antimicrobial activity of valinomycin p...

journal_title：Applied and environmental microbiology

authors： Tempelaars MH,Rodrigues S,Abee T

更新日期：2011-04-01 00:00:00

abstract：:The introduction of "solids" (i.e., complementary foods) to the milk-only diet in early infancy affects the development of the gut microbiota. The aim of this study was to determine whether a "baby-led" approach to complementary feeding that encourages the early introduction of an adult-type diet results in alteration...

journal_title：Applied and environmental microbiology

authors： Leong C,Haszard JJ,Lawley B,Otal A,Taylor RW,Szymlek-Gay EA,Fleming EA,Daniels L,Fangupo LJ,Tannock GW,Heath AM

更新日期：2018-08-31 00:00:00

abstract：:A mixed population, enriched and established in a defined medium, from a sewage sludge inoculum was capable of complete mineralization of 4-chlorobenzoate. An organism, identified as Arthrobacter sp., was isolated from the consortium and shown to be capable of utilizing 4-chlorobenzoate as the sole carbon and energy s...

journal_title：Applied and environmental microbiology

authors： Marks TS,Smith AR,Quirk AV

更新日期：1984-11-01 00:00:00

abstract：:An investigation of the Hg2+ resistance mechanism of four freshwater and four coastal marine bacteria that did not hybridize with a mer operonic probe was conducted (T. Barkay, C. Liebert, and M. Gillman, Appl. Environ. Microbiol. 55:1196-1202, 1989). Hybridization with a merA probe, the gene encoding the mercuric red...

journal_title：Applied and environmental microbiology

authors： Barkay T,Gillman M,Liebert C

更新日期：1990-06-01 00:00:00

abstract：:Several formulations of brilliant green agar with an added H2S indicator were evaluated. Results were optimum with variations of a basic formula consisting of 40 g of tryptic soy agar (Difco), 8 g of lactose, 8 g of sucrose, 80 mg of phenol red, 1 g of sulfanilamide, 1.5 g of ferric ammonium citrate, 5 g of sodium thi...

journal_title：Applied and environmental microbiology

authors： Moats WA,Kinner JA

更新日期：1976-03-01 00:00:00

abstract：:Four membrane filter methods for the enumeration of fecal coliforms were compared for accuracy, specificity, and recovery. Water samples were taken several times from 13 marine, 1 estuarine, and 4 freshwater sites around Puerto Rico, from pristine waters and waters receiving treated and untreated sewage and effluent f...

journal_title：Applied and environmental microbiology

authors： Santiago-Mercado J,Hazen TC

更新日期：1987-12-01 00:00:00

abstract：:Cultures of rumen bacteria can be stored at -20 degrees C for at least 2 years in a liquid medium containing 20% glycerol. Thawing, sampling, and refreezing do not significantly affect viability. ...

journal_title：Applied and environmental microbiology

authors： Teather RM

更新日期：1982-08-01 00:00:00

abstract：:Excessive NH(3) production in the rumen is a major nutritional inefficiency in ruminant animals. Experiments were undertaken to compare the rates of NH(3) production from different substrates in ruminal fluid in vitro and to assess the role of asaccharolytic bacteria in NH(3) production. Ruminal fluid was taken from f...

journal_title：Applied and environmental microbiology

authors： Eschenlauer SC,McKain N,Walker ND,McEwan NR,Newbold CJ,Wallace RJ

更新日期：2002-10-01 00:00:00

abstract：:The occurrence and distribution of magnetotactic bacteria (MB) were studied as a function of the physical and chemical conditions in meromictic Salt Pond, Falmouth, Mass., throughout summer 2002. Three dominant MB morphotypes were observed to occur within the chemocline. Small microaerophilic magnetite-producing cocci...

journal_title：Applied and environmental microbiology

authors： Simmons SL,Sievert SM,Frankel RB,Bazylinski DA,Edwards KJ

更新日期：2004-10-01 00:00:00

abstract：:Plant polyphenols are of great interest for drug discovery and drug development since many of these compounds have health-promoting activities as treatments against various diseases, such as diabetes, cancer, or heart diseases. However, the limited availability of polyphenols represents a major obstacle to clinical ap...

journal_title：Applied and environmental microbiology

authors： van Summeren-Wesenhagen PV,Marienhagen J

更新日期：2015-02-01 00:00:00