Molecular diversity of diazotrophs in oligotrophic tropical seagrass bed communities.

abstract：:Investigations of the diversity of culturable yeasts at deep-sea hydrothermal sites have suggested possible interactions with endemic fauna. Samples were collected during various oceanographic cruises at the Mid-Atlantic Ridge, South Pacific Basins and East Pacific Rise. Cultures of 32 isolates, mostly associated with...

journal_title：FEMS microbiology ecology

authors： Burgaud G,Arzur D,Durand L,Cambon-Bonavita MA,Barbier G

更新日期：2010-07-01 00:00:00

abstract：:In tomato soilless culture, plant-disease optimal control and growth promotion are achieved when the rhizosphere is heavily colonized by the biocontrol agent Pythium oligandrum. Discrepancies in performance are generally attributed to the poor persistence of P. oligandrum on roots. In this study, three selected strain...

journal_title：FEMS microbiology ecology

authors： Le Floch G,Tambong J,Vallance J,Tirilly Y,Lévesque A,Rey P

更新日期：2007-08-01 00:00:00

abstract：:Lakes are exposed to anthropogenic pollution including the release of allochthonous bacteria into their waters. Antibiotic resistance genes (ARGs) stabilize in bacterial communities of temperate lakes, and these environments act as long-term reservoirs of ARGs. Still, it is not clear if the stabilization of the ARGs i...

journal_title：FEMS microbiology ecology

authors： Di Cesare A,Eckert EM,Cottin C,Bouchez A,Callieri C,Cortesini M,Lami A,Corno G

更新日期：2020-02-01 00:00:00

abstract：:Sediments from six soda lakes of the Kulunda Steppe (Altai, Russia) and from hypersaline alkaline lakes of Wadi Natrun (Egypt) were analyzed for the presence of cbb and aclB genes encoding key enzymes Ci assimilation (RuBisCO in Calvin-Benson and ATP citrate lyase in rTCA cycles, respectively). The cbbL gene (RuBisCO ...

journal_title：FEMS microbiology ecology

authors： Kovaleva OL,Tourova TP,Muyzer G,Kolganova TV,Sorokin DY

更新日期：2011-01-01 00:00:00

abstract：:On-board flow cytometric determinations of picoplankton abundance (i.e. Synechococcus spp., Prochlorococcus spp., picoeukaryotes and also heterotrophic bacteria) were obtained in the East China Sea in fall of 2000 and 2003. The average abundances of Synechococcus, Prochlorococcus, picoeukaryotes and heterotrophic bact...

journal_title：FEMS microbiology ecology

authors： Pan LA,Zhang LH,Zhang J,Gasol JM,Chao M

更新日期：2005-04-01 00:00:00

abstract：:Biodiversity patterns have been successfully linked to many ecosystem functions, and microbial communities have been suspected to harbour a large amount of functionally redundant taxa. We manipulated the diversity of stream and lake water column bacterial communities and investigated how the reduction in diversity aff...

journal_title：FEMS microbiology ecology

authors： Ylla I,Peter H,Romaní AM,Tranvik LJ

更新日期：2013-07-01 00:00:00

abstract：:The aim of this study was to investigate the gut bacterial communities of Nephrops norvegicus individuals, using a suite of molecular tools consisting of automated ribosomal intergenic spacer analysis, 16S rRNA gene-internal transcribed spacer clone libraries and FISH. The animals were collected from Pagasitikos Gulf,...

journal_title：FEMS microbiology ecology

authors： Meziti A,Ramette A,Mente E,Kormas KA

更新日期：2010-11-01 00:00:00

abstract：:The microbial communities of in situ reactor columns degrading benzene with sulfate as an electron acceptor were analyzed based on clone libraries and terminal restriction fragment length polymorphism fingerprinting of PCR-amplified 16S rRNA genes. The columns were filled with either lava granules or sand particles an...

journal_title：FEMS microbiology ecology

authors： Kleinsteuber S,Schleinitz KM,Breitfeld J,Harms H,Richnow HH,Vogt C

更新日期：2008-10-01 00:00:00

abstract：:The biology and biochemistry of plasmid transfer in soil bacteria is currently under active investigation because of its central role in prokaryote adaptation and evolution. In this work, we examined the conjugal properties of the cryptic plasmids present in a collection of the N(2)-fixing legume-symbiont Sinorhizobiu...

journal_title：FEMS microbiology ecology

authors： Pistorio M,Giusti MA,Del Papa MF,Draghi WO,Lozano MJ,Tejerizo GT,Lagares A

更新日期：2008-09-01 00:00:00

abstract：:Salinity is one of the most important environmental factors influencing bacterial plankton communities in lake waters, while its influence on bacterial interactions has been less explored. Here, we investigated the influence of salinity on the bacterial diversity, interactions and community structure in Tibetan Platea...

journal_title：FEMS microbiology ecology

authors： Ji M,Kong W,Yue L,Wang J,Deng Y,Zhu L

更新日期：2019-12-01 00:00:00

abstract：:IS91 is the prototype element of a family of bacterial insertion sequences that transpose by a rolling-circle mechanism. Although previously considered a rarity among IS elements, many new examples have been identified by sequence analysis of bacterial genomes. In this work we provide a summary of occurrences of IS91-...

journal_title：FEMS microbiology ecology

authors： Garcillán-Barcia MP,de la Cruz F

更新日期：2002-11-01 00:00:00

abstract：:Abstract The protocol used in the present study was a long-term mesocosm experiment where the microbial succession around live barley roots and subsequent decomposing roots was assessed after seed coating with either the antagonistic strain Pseudomonas fluorescens DR54-BN14 or the fungicide imazalil. Four diversity me...

journal_title：FEMS microbiology ecology

authors： Thirup L,Johansen A,Winding A

更新日期：2003-04-01 00:00:00

abstract：:We hypothesized that apparently non-antagonistic soil bacteria may contribute to suppression of fungi during competitive interactions with other bacteria. Four soil bacteria (Brevundimonas sp., Luteibacter sp., Pedobacter sp. and Pseudomonas sp.) that exhibited little or no visible antifungal activity on different aga...

journal_title：FEMS microbiology ecology

authors： de Boer W,Wagenaar AM,Klein Gunnewiek PJ,van Veen JA

更新日期：2007-01-01 00:00:00

abstract：:Abstract Studies on the diversity of environmental culturable Pseudomonas populations are dependent on the isolation procedure. This procedure includes the use of selective media which may influence the recovery of strains and thus the diversity described. In this study, we assessed the use of two agar isolation media...

journal_title：FEMS microbiology ecology

authors： Tarnawski S,Hamelin J,Locatelli L,Aragno M,Fromin N

更新日期：2003-07-01 00:00:00

abstract：:Ectomycorrhizal fungi (EMF) provide nutrients to their hosts by means of hyphae that extend beyond nutrient-depleted rhizosphere soil. Soil bacteria may compete with EMF for nutrients or may act synergistically to enhance nutrient supply to hosts. To assess the interactions between hyphae and bacteria, two types of sm...

journal_title：FEMS microbiology ecology

authors： Brooks DD,Chan R,Starks ER,Grayston SJ,Jones MD

更新日期：2011-05-01 00:00:00

abstract：:We investigated ammonia-oxidizing bacteria in activated sludge collected from 12 sewage treatment systems, whose ammonia removal and treatment processes differed, during three different seasons. We used real-time PCR quantification to reveal total bacterial numbers and total ammonia oxidizer numbers, and used specific...

journal_title：FEMS microbiology ecology

authors： Limpiyakorn T,Shinohara Y,Kurisu F,Yagi O

更新日期：2005-10-01 00:00:00

abstract：:Soil microbial communities play an important role in nutrient cycling and nutrient availability, especially in unimproved soils. In grazed pastures, sheep urine causes local changes in nutrient concentration which may be a source of heterogeneity in microbial community structure. In the present study, we investigated ...

journal_title：FEMS microbiology ecology

authors： Nunan N,Singh B,Reid E,Ord B,Papert A,Squires J,Prosser JI,Wheatley RE,McNicol J,Millard P

更新日期：2006-05-01 00:00:00

abstract：:Bacterial communities in Arctic sea ice play an important role in the regulation of nutrient and energy dynamics in the Arctic Ocean. Sea ice has vertical gradients in temperature, brine salinity and volume, and light and UV levels. Multiyear ice (MYI) has at least two distinct ice layers: old fresh ice with limited p...

journal_title：FEMS microbiology ecology

authors： Hatam I,Charchuk R,Lange B,Beckers J,Haas C,Lanoil B

更新日期：2014-10-01 00:00:00

abstract：:Space is a critical and also challenging frontier in human microbiome research. It has been found that lack of consideration of scales beyond individual and ignoring of microbe dispersal are two crucial roadblocks in preventing deep understanding of the spatial heterogeneity of human microbiome. Assessing and interpre...

journal_title：FEMS microbiology ecology

authors： Ma ZS

更新日期：2020-07-01 00:00:00

abstract：:We measured growth of a phenanthrene-degrading bacterium, Arthrobacter, strain RP17, in Forbes soil, amended with 500 µg g(-1) phenanthrene using a quantitative competitive polymerase chain reaction method. The inoculum, which was not indigenous to Forbes soil, grew from 5.55x10(5) colony forming units (cfu) g(-1) to ...

journal_title：FEMS microbiology ecology

authors： Schwartz E,V Trinh S,M Scow K

更新日期：2000-10-01 00:00:00

abstract：:Biogeographic patterns in microbial communities are an exciting but controversial topic in microbial ecology. Advances in theory pertaining to assembly of microbial communities have made strong assumptions about dispersal of bacteria without exploration. For this reason, we investigated rates of atmospheric bacterial ...

journal_title：FEMS microbiology ecology

authors： Jones SE,Newton RJ,McMahon KD

更新日期：2008-06-01 00:00:00

abstract：:A 745-bp luxA fragment was amplified from Vibrio harveyi (UM 1503), radiolabeled, and used as a probe to detect and quantify luxA genotypes in culturable bacterial populations from the Chesapeake Bay. DNA samples from 53 reference strains were also examined for this gene. The luxA-positive bacteria comprised from 0-6%...

journal_title：FEMS microbiology ecology

authors： Ramaiah N,Chun J,Ravel J,Straube WL,Hill RT,Colwell RR

更新日期：2000-07-01 00:00:00

abstract：:This study was conducted to determine the feasibility of labeling phospholipid-derived fatty acids (PLFA) of an active microbial population with a (13)C-labeled organic substrate in the denitrifying zone of a petroleum hydrocarbon-contaminated aquifer during a single-well push-pull test. Anoxic test solution was prepa...

journal_title：FEMS microbiology ecology

authors： Pombo SA,Pelz O,Schroth MH,Zeyer J

更新日期：2002-09-01 00:00:00

abstract：:Pseudomonas pseudoalcaligenes KF707 is a polychlorinated biphenyls (PCBs) degrader, also tolerant to several toxic metals and metalloids. The work presented here examines for the first time the chemotactic response of P. pseudoalcaligenes KF707 to biphenyl and intermediates of the PCB biodegradation pathway in the pre...

journal_title：FEMS microbiology ecology

authors： Tremaroli V,Vacchi Suzzi C,Fedi S,Ceri H,Zannoni D,Turner RJ

更新日期：2010-11-01 00:00:00

abstract：:The stoichiometric constraints of algal growth are well understood, whereas there is less knowledge for heterotrophic bacterioplankton. Growth of the marine bacterium Phaeobacter inhibens DSM 17395, belonging to the globally distributed Roseobacter group, was studied across a wide concentration range of NH4+ and PO43-...

journal_title：FEMS microbiology ecology

authors： Trautwein K,Feenders C,Hulsch R,Ruppersberg HS,Strijkstra A,Kant M,Vagts J,Wünsch D,Michalke B,Maczka M,Schulz S,Hillebrand H,Blasius B,Rabus R

更新日期：2017-05-01 00:00:00

abstract：:Methanogenic biodegradation involves the cooperative metabolism of syntrophic bacteria that catalyse the initial attack and subsequent degradation of hydrocarbons, and methanogens that convert intermediates such as hydrogen and carbon dioxide, formate, and/or acetate to methane. The identity of syntrophic microbes and...

journal_title：FEMS microbiology ecology

authors： Fowler SJ,Gutierrez-Zamora ML,Manefield M,Gieg LM

更新日期：2014-09-01 00:00:00

abstract：:The influence of biotic and environmental variables on the abundance of virus-like particles (VLP) and lysogeny was investigated by examining 10 Antarctic lakes in the Vestfold Hills, Antarctica, in the Austral Spring. Abundances of viruses and bacteria and bacterial metabolic activity were estimated using SYBR Gold (...

journal_title：FEMS microbiology ecology

authors： Säwström C,Pearce I,Davidson AT,Rosén P,Laybourn-Parry J

更新日期：2008-01-01 00:00:00

abstract：:Iron-silica-rich low-temperature hydrothermal precipitates were collected from the CDE hydrothermal field located at the East Lau Spreading Center. Phylogenetic analysis showed that the precipitates were dominated by the members of α-proteobacteria and marine group I archaea. Ultrastructural analysis suggested the bac...

journal_title：FEMS microbiology ecology

authors： Li J,Zhou H,Peng X,Wu Z,Chen S,Fang J

更新日期：2012-07-01 00:00:00

abstract：:IncP-1 plasmids are known to be promiscuous, but it is not understood if they are equally well adapted to various species within their host range. Moreover, little is known about their fate in bacterial communities. We determined if the IncP-1beta plasmid pB10 was unstable in some Proteobacteria, and whether plasmid s...

journal_title：FEMS microbiology ecology

authors： Heuer H,Fox RE,Top EM

更新日期：2007-03-01 00:00:00

abstract：:We investigated 16S rRNA gene diversity at a high sediment depth resolution (every 5 cm, top 30 cm) in an active site of the Kazan mud volcano, East Mediterranean Sea. A total of 242 archaeal and 374 bacterial clones were analysed, which were attributed to 38 and 205 unique phylotypes, respectively (> or = 98% similar...

journal_title：FEMS microbiology ecology

authors： Pachiadaki MG,Lykousis V,Stefanou EG,Kormas KA

更新日期：2010-06-01 00:00:00