Roles of fkbN in positive regulation and tcs7 in negative regulation of FK506 biosynthesis in Streptomyces sp. strain KCTC 11604BP.

abstract：:Most associations between animals and their gut microbiota are dynamic, involving sustained transfer of food-associated microbial cells into the gut and shedding of microorganisms into the external environment with feces, but the interacting effects of host and microbial factors on the composition of the internal and ...

journal_title：Applied and environmental microbiology

authors： Wong AC,Luo Y,Jing X,Franzenburg S,Bost A,Douglas AE

更新日期：2015-09-01 00:00:00

abstract：:We tested the sensitivity of coastal picophytoplankton exposed to natural sunlight in short-term experiments. Cell abundance and cell-specific chlorophyll fluorescence were significantly reduced in Prochlorococcus spp. but not in Synechococcus, whereas picoeukaryotes had an intermediate response. These results are the...

journal_title：Applied and environmental microbiology

authors： Sommaruga R,Hofer JS,Alonso-Sáez L,Gasol JM

更新日期：2005-04-01 00:00:00

abstract：:The gut microbiota is a diverse and dynamic ecological community that is increasingly recognized to play important roles in host metabolic, immunological, and behavioral functioning. As such, identifying new routes for manipulating the microbiota may provide valuable additional methods for improving host health. Dieta...

journal_title：Applied and environmental microbiology

authors： Reese AT,Carmody RN

更新日期：2019-05-02 00:00:00

abstract：:Lantibiotics, such as nisin and subtilin, are lanthionine-containing peptides that exhibit antimicrobial as well as pheromone-like autoinducing activity. Autoinduction is specific for each lantibiotic, and reporter systems for nisin and subtilin autoinduction are available. In this report, we used the previously repor...

journal_title：Applied and environmental microbiology

authors： Fuchs SW,Jaskolla TW,Bochmann S,Kötter P,Wichelhaus T,Karas M,Stein T,Entian KD

更新日期：2011-03-01 00:00:00

abstract：:Bacillus subtilis induces expression of the gene ytnP in the presence of the antimicrobial streptomycin, produced by the Gram-positive bacterium Streptomyces griseus. ytnP encodes a lactonase-homologous protein that is able to inhibit the signaling pathway required for the streptomycin production and development of ae...

journal_title：Applied and environmental microbiology

authors： Schneider J,Yepes A,Garcia-Betancur JC,Westedt I,Mielich B,López D

更新日期：2012-01-01 00:00:00

abstract：:In various sediments in which Fe(III) reduction was the terminal electron-accepting process, [C]glucose was fermented to C-fatty acids in a manner similar to that observed in methanogenic sediments. These results are consistent with the hypothesis that, in Fe(III)-reducing sediments, fermentable substrates are oxidize...

journal_title：Applied and environmental microbiology

authors： Lovley DR,Phillips EJ

更新日期：1989-12-01 00:00:00

abstract：:A total of 25 marine caulobacters were isolated from littoral marine sources. Several aspects of their physiology and morphology were examined, as well as their suitability for genetic manipulation in laboratory cultivation. Caulobacters were readily isolated from all sources, including samples from areas containing p...

journal_title：Applied and environmental microbiology

authors： Anast N,Smit J

更新日期：1988-03-01 00:00:00

abstract：:A monoclonal antibody designated 302 beta that is specific for the beta subunit of the oxygenase component (ISPTOL) of toluene dioxygenase from Pseudomonas putida F1 was used to prepare an immunoaffinity column. ISPTOL in cell extracts of Escherichia coli JM109(pDTG611) bound to the column, and an enzyme-linked immuno...

journal_title：Applied and environmental microbiology

authors： Lynch NA,Jiang H,Gibson DT

更新日期：1996-06-01 00:00:00

abstract：:Francisella tularensis has been associated with naturally occurring waterborne outbreaks and is also of interest as a potential biological weapon. Recovery of this pathogen from water using cultural methods is challenging due to the organism's fastidious growth requirements and interference by indigenous bacteria. A 1...

journal_title：Applied and environmental microbiology

authors： Humrighouse BW,Adcock NJ,Rice EW

更新日期：2011-09-01 00:00:00

abstract：:Although research has increasingly focused on the pathogenesis of avian pathogenic Escherichia coli (APEC) infections and the "APEC pathotype" itself, little is known about the reservoirs of these bacteria. We therefore compared outbreak strains isolated from diseased chickens (n = 121) with nonoutbreak strains, inclu...

journal_title：Applied and environmental microbiology

authors： Ewers C,Antão EM,Diehl I,Philipp HC,Wieler LH

更新日期：2009-01-01 00:00:00

abstract：:The pH and the nature an concentration of simple electrolytes influenced the interaction of poliovirus type 2 with three soils, a sand, and a clay mineral. In electrolytes above pH 9 the virus was not adsorbed extensively to the substrates, but below pH 7 almost all virus was bound. For each adsorbent there was a char...

journal_title：Applied and environmental microbiology

authors： Taylor DH,Moore RS,Sturman LS

更新日期：1981-12-01 00:00:00

abstract：:The impact of promoter modification on the expression of the mosquitocidal Bacillus thuringiensis subsp. israelensis cryIVB gene when used to transform the cyanobacterium Synechococcus sp. strain PCC 7942 has been examined. Maximal transcript and protein abundances were achieved by the addition of the lacZ promoter up...

journal_title：Applied and environmental microbiology

authors： Soltes-Rak E,Kushner DJ,Williams DD,Coleman JR

更新日期：1993-08-01 00:00:00

abstract：:When carbon sources are changed, Saccharomyces cerevisiae transcriptional patterns drastically change. To identify genes whose transcription can be used to quantitatively measure sugar concentrations, we searched genomic expression databases for a set of genes that are highly induced during the diauxic shift, and we u...

journal_title：Applied and environmental microbiology

authors： Chambers P,Issaka A,Palecek SP

更新日期：2004-01-01 00:00:00

abstract：:A real-time PCR-based method targeting the 18S rRNA gene was developed for the quantitative detection of Hartmannella vermiformis, a free-living amoeba which is a potential host for Legionella pneumophila in warm water systems and cooling towers. The detection specificity was validated using genomic DNA of the closely...

journal_title：Applied and environmental microbiology

authors： Kuiper MW,Valster RM,Wullings BA,Boonstra H,Smidt H,van der Kooij D

更新日期：2006-09-01 00:00:00

abstract：:Organophosphate pesticides used in agriculture can pose health risks to humans and wildlife. We hypothesized that dietary supplementation with Lactobacillus, a genus of commensal bacteria, would reduce absorption and toxicity of consumed organophosphate pesticides (parathion and chlorpyrifos [CP]). Several Lactobacill...

journal_title：Applied and environmental microbiology

authors： Trinder M,McDowell TW,Daisley BA,Ali SN,Leong HS,Sumarah MW,Reid G

更新日期：2016-09-30 00:00:00

abstract：:In two intertidal marshes, the vertical distribution in the sediment and inhibition by ammonium of methane oxidation were investigated by slurry incubation experiments. The two sites differ in their dominant vegetation type, i.e., reed and bulrush, and in their heights above sea level. The reed site was elevated with ...

journal_title：Applied and environmental microbiology

authors： Van Der Nat F,De Brouwer J,Middelburg JJ,Laanbroek HJ

更新日期：1997-12-01 00:00:00

abstract：:Spent sulfite liquor (SSL) is a waste effluent from sulfite pulping that contains monomeric sugars which can be fermented to ethanol. However, fermentative yeasts used for the fermentation of the sugars in SSL are adversely affected by the inhibitory substances in this complex feedstock. To overcome this limitation, e...

journal_title：Applied and environmental microbiology

authors： Pinel D,D'Aoust F,del Cardayre SB,Bajwa PK,Lee H,Martin VJ

更新日期：2011-07-01 00:00:00

abstract：:The use of two semisolid media (semisolid Rappaport and semisolid Rappaport-Vassiliadis) for the isolation of Salmonella spp. from coastal waters was compared with the use of conventional media. Two hundred and fifty six samples were studied; Salmonella spp. were detected in 83. The semisolid media were the most sensi...

journal_title：Applied and environmental microbiology

authors： Perales I,Audicana A

更新日期：1989-11-01 00:00:00

abstract：:Inhibition of enzyme activity by high concentrations of substrate and/or cofactor is a general phenomenon demonstrated in many enzymes, including aldehyde dehydrogenases. Here we show that the uncharacterized protein BetB (SA2613) from Staphylococcus aureus is a highly specific betaine aldehyde dehydrogenase, which ex...

journal_title：Applied and environmental microbiology

authors： Chen C,Joo JC,Brown G,Stolnikova E,Halavaty AS,Savchenko A,Anderson WF,Yakunin AF

更新日期：2014-07-01 00:00:00

abstract：:o-Methoxycinnamaldehyde has been isolated and purified from powdered cinnamon. The compound inhibits the growth and toxin production of mycotoxin-producing fungi. The substance completely inhibited the growth of Aspergillus parasiticus and A. flavus at 100 microgram/ml and A. ochraceus and A. versicolor at 200 microgr...

journal_title：Applied and environmental microbiology

authors： Morozumi S

更新日期：1978-10-01 00:00:00

abstract：:The effects of UV-B radiation on the heterotrophic nanoflagellate Bodo saltans (Kinetoplastida) were examined under controlled conditions with artificial UV sources and also under natural solar radiation in an oligotrophic lake. In both types of experiments, the characteristic elongated cell morphology of this flagell...

journal_title：Applied and environmental microbiology

authors： Sommaruga R,Oberleiter A,Psenner R

更新日期：1996-12-01 00:00:00

abstract：:A novel genomic island (LGI1) was discovered in Listeria monocytogenes isolates responsible for the deadliest listeriosis outbreak in Canada, in 2008. To investigate the functional role of LGI1, the outbreak strain 08-5578 was exposed to food chain-relevant stresses, and the expression of 16 LGI1 genes was measured. L...

journal_title：Applied and environmental microbiology

authors： Kovacevic J,Ziegler J,Wałecka-Zacharska E,Reimer A,Kitts DD,Gilmour MW

更新日期：2015-11-20 00:00:00

abstract：:The ability of Streptococcus species to selectively adhere to the oral epithelial cells of newborns was studied in vitro. On day 1 of life, mucosal cells from normal infants demonstrated selective attraction for the natural distribution of streptococci that would soon colonize these surfaces. Streptococcus salivarius ...

journal_title：Applied and environmental microbiology

authors： Long SS,Swenson RM

更新日期：1976-10-01 00:00:00

abstract：:Technological advancements, particularly in the field of geographic information systems (GIS), have made it possible to predict the likelihood of foodborne pathogen contamination in produce production environments using geospatial models. Yet, few studies have examined the validity and robustness of such models. This ...

journal_title：Applied and environmental microbiology

authors： Weller D,Shiwakoti S,Bergholz P,Grohn Y,Wiedmann M,Strawn LK

更新日期：2015-11-20 00:00:00

abstract：:Products observed during anaerobic cyanide transformation are consistent with a hydrolytic pathway (HCN + H2O <--> HCONH2 + H2O <--> HCOOH + NH3). Formate, the most frequently observed product, was generally converted to bicarbonate. Formamide was rapidly hydrolyzed to formate upon exposure to the anaerobic consortium...

journal_title：Applied and environmental microbiology

authors： Fallon RD

更新日期：1992-09-01 00:00:00

abstract：:Several microorganisms were examined for their abilities to convert S-nicotine into nornicotine. Five microorganisms including Microsporum gypseum (ATCC 11395) produced nornicotine and three unknown metabolites. M. gypseum efficiently reduced nicotine-1'-N-oxide to nicotine, but no nornicotine was obtained when the N-...

journal_title：Applied and environmental microbiology

authors： Sindelar RD,Rosazza JP,Barfknecht CF

更新日期：1979-11-01 00:00:00

abstract：:The acid-insoluble metal sulfides FeS2, MoS2, and WS2 are chemically attacked by iron(III) hexahydrate ions, generating thiosulfate, which is oxidized to sulfuric acid. Other metal sulfides are attacked by iron(III) ions and by protons, resulting in the formation of elemental sulfur via intermediary polysulfides. Sulf...

journal_title：Applied and environmental microbiology

authors： Schippers A,Sand W

更新日期：1999-01-01 00:00:00

abstract：:A human feeding study was performed with Lactococcus lactis TC165.5, which is genetically marked by insertion of the sucrose-nisin conjugative transposon Tn5276 and chromosomal resistance to rifampin and streptomycin. The fate of strain TC165.5 and its nucleic acids was monitored by conventional plating methods and by...

journal_title：Applied and environmental microbiology

authors： Klijn N,Weerkamp AH,de Vos WM

更新日期：1995-07-01 00:00:00

abstract：:Two types of mesophilic, methanogenic bacteria were isolated in pure culture from anaerobic freshwater and marine mud with 2-propanol as the hydrogen donor. The freshwater strain (SK) was a Methanospirillum species, the marine, salt-requiring strain (CV), which had irregular coccoid cells, resembled Methanogenium sp. ...

journal_title：Applied and environmental microbiology

authors： Widdel F

更新日期：1986-05-01 00:00:00

abstract：:The detection and enumeration of most cultivable human enteric viruses from water is possible if samples are first inoculated onto a suitable cell line such as MA-104 or BGM. Virus growth is then detected by an indirect immunoperoxidase method with human immune serum globulin as the source of antibody to most enteric ...

journal_title：Applied and environmental microbiology

authors： Payment P,Trudel M

更新日期：1985-11-01 00:00:00