Development and application of the human intestinal tract chip, a phylogenetic microarray: analysis of universally conserved phylotypes in the abundant microbiota of young and elderly adults.

abstract：:Cyanobacteria of the genus Synechococcus are major contributors to global primary productivity and are found in a wide range of aquatic ecosystems. This Synechococcus collective (SC) is metabolically diverse, with some lineages thriving in polar and nutrient-rich locations and others in tropical or riverine waters. Al...

journal_title：Environmental microbiology

authors： Salazar VW,Tschoeke DA,Swings J,Cosenza CA,Mattoso M,Thompson CC,Thompson FL

更新日期：2020-11-01 00:00:00

abstract：:Located in the Northern Territory of Australia, Ranger uranium mine is directly adjacent to the UNESCO World Heritage listed Kakadu National Park, with rehabilitation targets needed to ensure the site can be incorporated into the park following the mine's closure in 2026. This study aimed to understand the impact of u...

journal_title：Environmental microbiology

authors： Sutcliffe B,Chariton AA,Harford AJ,Hose GC,Greenfield P,Elbourne LDH,Oytam Y,Stephenson S,Midgley DJ,Paulsen IT

更新日期：2017-08-01 00:00:00

abstract：:During the anaerobic biodegradation of naphthalene and methylnaphthalene, unique metabolites are formed by specific microbial carboxylation and ring-reduction reactions. Groundwater samples from an anoxic, shallow aquifer contaminated with gasoline were examined for the presence of these metabolites by extraction, der...

journal_title：Environmental microbiology

authors： Phelps CD,Battistelli J,Young LY

更新日期：2002-09-01 00:00:00

abstract：:Despite their key role in biogeochemical processes, particularly the methane cycle, archaea are widely underrepresented in molecular surveys because of their lower abundance compared with bacteria and eukaryotes. Here, we use parallel high-resolution small subunit rRNA gene sequencing to explore archaeal diversity in ...

journal_title：Environmental microbiology

authors： Juottonen H,Fontaine L,Wurzbacher C,Drakare S,Peura S,Eiler A

更新日期：2020-08-01 00:00:00

abstract：:Although bacterioplankton and phytoplankton are generally perceived as closely linked in marine systems, specific interactions between discrete bacterioplankton and phytoplankton populations are largely unknown. However, measurements of bacterioplankton distributions during phytoplankton blooms may indicate specific m...

journal_title：Environmental microbiology

authors： Morris RM,Longnecker K,Giovannoni SJ

更新日期：2006-08-01 00:00:00

abstract：:Upon entry of Francisella tularensis to macrophages, the Francisella-containing phagosome (FCP) is trafficked into an acidified late endosome-like phagosome with limited fusion to the lysosomes followed by rapid escape into the cytosol where the organism replicates. Although the Francisella Pathogenicity Island (FPI),...

journal_title：Environmental microbiology

authors： Asare R,Abu Kwaik Y

更新日期：2010-09-01 00:00:00

abstract：:Obligate acidophilic members of the thaumarchaeotal genus Candidatus Nitrosotalea play an important role in nitrification in acidic soils, but their evolutionary and physiological adaptations to acidic environments are still poorly understood, with only a single member of this genus (Ca. N. devanaterra) having its gen...

journal_title：Environmental microbiology

authors： Herbold CW,Lehtovirta-Morley LE,Jung MY,Jehmlich N,Hausmann B,Han P,Loy A,Pester M,Sayavedra-Soto LA,Rhee SK,Prosser JI,Nicol GW,Wagner M,Gubry-Rangin C

更新日期：2017-12-01 00:00:00

abstract：:Of eight laboratory cultures of marine gamma- and alpha-Proteobacteria tested, growth on glycolate as a sole carbon source was detected for only three species: Pseudomonas stutzeri, Oceanimonas doudoroffii and Roseobacter sp. isolate Y3F. Degenerate polymerase chain reaction (PCR) primers were designed to amplify glcD...

journal_title：Environmental microbiology

authors： Lau WW,Armbrust EV

更新日期：2006-10-01 00:00:00

abstract：:A recent analysis revealed that most environmental microbiologists neglect replication in their science (Prosser, 2010). Of all peer-reviewed papers published during 2009 in the field's leading journals, slightly more than 70% lacked replication when it came to analyzing microbial community data. The paucity of replic...

journal_title：Environmental microbiology

authors： Lennon JT

更新日期：2011-06-01 00:00:00

abstract：:Exopolysaccharide is a critical biofilm matrix component, yet little is known about how the synthesis of multiple exopolysaccharides is regulated. Pseudomonas aeruginosa can produce several biofilm matrix exopolysaccharides that include alginate, Psl and Pel. Here we demonstrated that AlgC, a key enzyme that provides ...

journal_title：Environmental microbiology

authors： Ma L,Wang J,Wang S,Anderson EM,Lam JS,Parsek MR,Wozniak DJ

更新日期：2012-08-01 00:00:00

abstract：:The spatial organization of gut microorganisms is important with respect to their functional role in the gut ecosystem. Regional differences in the longitudinal and lateral direction are, however, not frequently studied, given the difficulty to sample these human gut regions in vivo. Particularly the insoluble food pa...

journal_title：Environmental microbiology

authors： De Paepe K,Verspreet J,Verbeke K,Raes J,Courtin CM,Van de Wiele T

更新日期：2018-09-01 00:00:00

abstract：:The common polysaccharide antigen (CPA) of the lipopolysaccharide (LPS) from Pseudomonas syringae is highly variable, but the genetic basis for this is poorly understood. We have characterized the CPA locus from P. syringae pv. actinidiae (Psa). This locus has genes for l- and d-rhamnose biosynthesis and an operon cod...

journal_title：Environmental microbiology

authors： Jayaraman J,Jones WT,Harvey D,Hemara LM,McCann HC,Yoon M,Warring SL,Fineran PC,Mesarich CH,Templeton MD

更新日期：2020-12-01 00:00:00

abstract：:Microorganisms regulate the composition of their membranes in response to environmental cues. Many Archaea maintain the fluidity and permeability of their membranes by adjusting the number of cyclic moieties within the cores of their glycerol dibiphytanyl glycerol tetraether (GDGT) lipids. Cyclized GDGTs increase memb...

journal_title：Environmental microbiology

authors： Zhou A,Weber Y,Chiu BK,Elling FJ,Cobban AB,Pearson A,Leavitt WD

更新日期：2020-01-01 00:00:00

abstract：:Aquatic sediments harbour diverse microbial communities that mediate organic matter degradation and influence biogeochemical cycles. The pool of bioavailable carbon continuously changes as a result of abiotic processes and microbial activity. It remains unclear how microbial communities respond to heterogeneous organi...

journal_title：Environmental microbiology

authors： Mahmoudi N,Beaupré SR,Steen AD,Pearson A

更新日期：2017-07-01 00:00:00

abstract：:Two-component system (TCS) signaling circuits regulate numerous cellular processes in response to environmental cues in both prokaryotic and eukaryotic cells. These signaling circuits are all based on phosphoryl-group transfers between histidine and aspartate containing modules of sensor kinase and response regulator ...

journal_title：Environmental microbiology

authors： Alvarez AF,Barba-Ostria C,Silva-Jiménez H,Georgellis D

更新日期：2016-10-01 00:00:00

abstract：:The effect of inorganic particle concentrations on bacteria-virus-nanoflagellate dynamics in an oligotrophic coastal system was investigated using a model aluminosilicate, kaolinite, with a modal size of 2.1 µm. Virus-only, bacteria-only and bacteria-virus-nanoflagellate incubations were carried out at increasing kaol...

journal_title：Environmental microbiology

authors： Salter I,Böttjer D,Christaki U

更新日期：2011-10-01 00:00:00

abstract：:Cyanobacteria are regarded as the main N(2)-fixing organisms in marine waters. However, recent clone libraries from various oceans show a wide distribution of the dinitrogenase reductase gene (nifH) originating from heterotrophic bacterioplankton. We isolated heterotrophic N(2)-fixing bacteria from Baltic Sea bacterio...

journal_title：Environmental microbiology

authors： Boström KH,Riemann L,Kühl M,Hagström A

更新日期：2007-01-01 00:00:00

abstract：:The mqsRA operon encodes a toxin-antitoxin pair that was characterized to participate in biofilm and persister cell formation in Escherichia coli. Notably, the antitoxin MqsA possesses a C-terminal DNA-binding domain that recognizes the [5'-AACCT(N)2-4 AGGTT-3'] motif and acts as a transcriptional regulator controllin...

journal_title：Environmental microbiology

authors： Wang Y,Zhang SP,Zhang MY,Kempher ML,Guo DD,Han JT,Tao X,Wu Y,Zhang LQ,He YX

更新日期：2019-05-01 00:00:00

abstract：:The type VI secretion system (T6SS) of bacteria plays a key role in competing for specific niches by the contact-dependent killing of competitors. Recently, Rhs proteins with polymorphic C-terminal toxin-domains that inhibit or kill neighboring cells were identified. In this report, we identified a novel Rhs with an M...

journal_title：Environmental microbiology

authors： Ma J,Sun M,Dong W,Pan Z,Lu C,Yao H

更新日期：2017-01-01 00:00:00

abstract：:The Black Sea chemocline represents the largest extant habitat of anoxygenic phototrophic bacteria and harbours a monospecific population of Chlorobium phylotype BS-1. High-sensitivity measurements of underwater irradiance and sulfide revealed that the optical properties of the overlying water column were similar acro...

journal_title：Environmental microbiology

authors： Marschall E,Jogler M,Hessge U,Overmann J

更新日期：2010-05-01 00:00:00

abstract：:At deep-sea hydrothermal vents, microbial communities thrive across geochemical gradients above, at, and below the seafloor. In this study, we determined the gene content and transcription patterns of microbial communities and specific populations to understand the taxonomy and metabolism both spatially and temporally...

journal_title：Environmental microbiology

authors： Fortunato CS,Larson B,Butterfield DA,Huber JA

更新日期：2018-02-01 00:00:00

abstract：:The sulfate-reducing culture N47 can utilize naphthalene or 2-methylnaphthalene as the sole carbon source and electron donor. Here we show that the initial reaction in the naphthalene degradation pathway is a methylation to 2-methylnaphthalene which then undergoes the subsequent oxidation to the central metabolite 2-n...

journal_title：Environmental microbiology

authors： Safinowski M,Meckenstock RU

更新日期：2006-02-01 00:00:00

abstract：:The biology of biofilm in deep-sea environments is barely being explored. Here, biofilms were developed at the brine pool (characterized by limited carbon sources) and the normal bottom water adjacent to Thuwal cold seeps. Comparative metagenomics based on 50 Gb datasets identified polysaccharide degradation, nitrate ...

journal_title：Environmental microbiology

authors： Zhang W,Wang Y,Bougouffa S,Tian R,Cao H,Li Y,Cai L,Wong YH,Zhang G,Zhou G,Zhang X,Bajic VB,Al-Suwailem A,Qian PY

更新日期：2015-10-01 00:00:00

abstract：:In vitro studies in plant, soil, and human systems have shown that microbial volatiles can mediate microbe-microbe or microbe-host interactions. These previous studies have often used artificially high concentrations of volatiles compared to in situ systems and have not demonstrated the roles volatiles play in mediati...

journal_title：Environmental microbiology

authors： Cosetta CM,Kfoury N,Robbat A,Wolfe BE

更新日期：2020-11-01 00:00:00

abstract：:pH-responsive transcription factor of the PacC/Rim101 family governs adaptation to environment, development and virulence in many fungal pathogens. In this study, we report the functions of a PacC homologue, MrpacC, in an insect pathogenic fungus Metarhizium robertsii. The gene was highly transcribed in the fungus in ...

journal_title：Environmental microbiology

authors： Huang W,Shang Y,Chen P,Gao Q,Wang C

更新日期：2015-04-01 00:00:00

abstract：:Certain filamentous cyanobacteria, including Aphanizomenon ovalisporum, are potentially toxic owing to the formation of the hepatotoxin cylindrospermopsin. We previously identified a gene cluster in A. ovalisporum likely to be involved in cylindrospermopsin biosynthesis, including amidinotransferase (aoaA) and polyket...

journal_title：Environmental microbiology

authors： Shalev-Malul G,Lieman-Hurwitz J,Viner-Mozzini Y,Sukenik A,Gaathon A,Lebendiker M,Kaplan A

更新日期：2008-04-01 00:00:00

abstract：:Previous studies of hot (>80 degrees C) microbial ecosystems have primarily relied on the study of pure cultures or analysis of 16S rDNA sequences. In order to gain more information on anaerobic metabolism by natural communities in hot environments, sediments were collected from a shallow marine hydrothermal vent syst...

journal_title：Environmental microbiology

authors： Tor JM,Amend JP,Lovley DR

更新日期：2003-07-01 00:00:00

abstract：:The gene abundance and gene expression of six diazotroph populations from the Eastern Equatorial Atlantic in June 2007 were examined using nifH gene quantitative polymerase chain reaction (q PCR) methods. Of all the diazotrophs, Trichodesmium spp. was the most abundant with the highest number of gene copies in the Gul...

journal_title：Environmental microbiology

authors： Foster RA,Subramaniam A,Zehr JP

更新日期：2009-04-01 00:00:00

abstract：:The rice blast fungus Magnaporthe oryzae has eight regulators of G-protein signaling (RGS) and RGS-like proteins (MoRgs1 to MoRgs8) that exhibit both distinct and shared regulatory functions in the growth, differentiation and pathogenicity of the fungus. We found MoRgs7 with a unique RGS-seven transmembrane (7-TM) dom...

journal_title：Environmental microbiology

authors： Yin Z,Zhang X,Wang J,Yang L,Feng W,Chen C,Gao C,Zhang H,Zheng X,Wang P,Zhang Z

更新日期：2018-09-01 00:00:00

abstract：:A 47 kb genomic island (GEI) bracketed by 50 bp direct repeats, containing 52 annotated genes, was found to delete spontaneously from the genome of Desulfovibrio vulgaris Hildenborough. The island contains genes for site-specific recombinases and transposases, rubredoxin:oxygen oxidoreductase-1 (Roo1) and hybrid clust...

journal_title：Environmental microbiology

authors： Johnston S,Lin S,Lee P,Caffrey SM,Wildschut J,Voordouw JK,da Silva SM,Pereira IA,Voordouw G

更新日期：2009-04-01 00:00:00