Comparative modifications in bacterial gill-endosymbiotic populations of the two bivalves Codakia orbiculata and Lucina pensylvanica during bacterial loss and reacquisition.

abstract：:Coral-associated microbial communities from three coral species (Pocillopora damicornis, Acropora tenuis and Favites abdita) were examined every 3 months (January, March, June, October) over a period of 1 year on Ningaloo Reef, Western Australia. Tissue from corals was collected throughout the year and additional samp...

journal_title：FEMS microbiology ecology

authors： Ceh J,Van Keulen M,Bourne DG

更新日期：2011-01-01 00:00:00

abstract：:The diversity of Thermus strains isolated from each of two New Zealand hot pools was examined by isolating partial SSU (16S) rRNA genes and comparing their sequences. Although all of the sequences were similar, several variants were found in each pool. Standard methods for the enrichment of Thermus were then carried o...

journal_title：FEMS microbiology ecology

authors： Saul DJ,Reeves RA,Morgan HW,Bergquist PL

更新日期：1999-10-01 00:00:00

abstract：:The Pasteuria group of endospore-forming bacteria has been studied as a biocontrol agent of plant-parasitic nematodes. Techniques have been developed for its detection and quantification in soil samples, and these mainly focus on observations of endospore attachment to nematodes. Characterization of Pasteuria populati...

journal_title：FEMS microbiology ecology

authors： Costa SR,Kerry BR,Bardgett RD,Davies KG

更新日期：2006-12-01 00:00:00

abstract：:Microbial communities of ancient Mediterranean sapropels, buried sediment layers of high organic matter, were analyzed by most probable number (MPN) approaches. Mineral media containing different carbon sources in sub-millimolar concentrations were used. MPN numbers were elevated in sapropels and at the sediment surfa...

journal_title：FEMS microbiology ecology

authors： Süss J,Engelen B,Cypionka H,Sass H

更新日期：2004-12-27 00:00:00

abstract：:Flagellates are very important predators on bacteria in soil. Because of their high growth rates, flagellate populations respond rapidly to changes in bacterial numbers. Previous results indicate that actinobacteria are generally less suitable than proteobacteria as food for flagellates. In this study, we investigated...

journal_title：FEMS microbiology ecology

authors： Lekfeldt JD,Rønn R

更新日期：2008-07-01 00:00:00

abstract：:Vegetation and water table are important regulators of methane emission in peatlands. Microform variation encompasses these factors in small-scale topographic gradients of dry hummocks, intermediate lawns and wet hollows. We examined methane production and oxidization among microforms in four boreal bogs that showed m...

journal_title：FEMS microbiology ecology

authors： Juottonen H,Kotiaho M,Robinson D,Merilä P,Fritze H,Tuittila ES

更新日期：2015-09-01 00:00:00

abstract：:Terminal-restriction fragment length polymorphism (T-RFLP) analysis is widely used in microbial ecology studies. In the present study, T-RFLP analysis of PCR products digested by five restriction enzymes (AluI, HaeIII, MspI, Sau3AI and TaqI) was applied for 20 samples from three contrasting coastal environments to ass...

journal_title：FEMS microbiology ecology

authors： Zhang R,Thiyagarajan V,Qian PY

更新日期：2008-07-01 00:00:00

abstract：:Peat accumulating mires are important sources of the greenhouse gas methane. Methane emissions and methanogenic Archaea communities have been shown to differ between fens and bogs, implying that mire succession includes an ecological succession in methanogen communities. We investigated methane production and the meth...

journal_title：FEMS microbiology ecology

authors： Merilä P,Galand PE,Fritze H,Tuittila ES,Kukko-Oja K,Laine J,Yrjälä K

更新日期：2006-02-01 00:00:00

abstract：:While Hymenoscyphus fraxineus causes dieback of the European ash (Fraxinus excelsior), flowering ash (F. ornus) appears resistant to the pathogen. To date, contributions of endophytic fungi to host resistance are unknown. The following hypotheses were tested: (i) endophytic fungi enhance the resistance of F. excelsior...

journal_title：FEMS microbiology ecology

authors： Schlegel M,Dubach V,von Buol L,Sieber TN

更新日期：2016-09-01 00:00:00

abstract：:The severity of environmental conditions at Earth's frigid zones present attractive opportunities for microbial biomining due to their heightened potential as reservoirs for novel secondary metabolites. Arid soil microbiomes within the Antarctic and Arctic circles are remarkably rich in Actinobacteria and Proteobacter...

journal_title：FEMS microbiology ecology

authors： Benaud N,Zhang E,van Dorst J,Brown MV,Kalaitzis JA,Neilan BA,Ferrari BC

更新日期：2019-04-01 00:00:00

abstract：:Methane emissions from freshwater environments contribute substantially to global warming but are under strong control of aerobic methane-oxidizing bacteria. Recently discovered methane seeps (pockmarks) in freshwater lake sediments have the potential to bypass this control by their strong outgassing activity. Whether...

journal_title：FEMS microbiology ecology

authors： Bornemann M,Bussmann I,Tichy L,Deutzmann J,Schink B,Pester M

更新日期：2016-08-01 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：: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：:Arbuscular mycorrhizal (AM) fungi in a chronosequence of 5-42-year-old Caragana korshinskii plantations in the semi-arid Loess Plateau region of northwestern China were investigated. AM fungi colonization, spore diversity and PCR-denatured gradient gel electrophoresis-based AM fungal SSU rRNA gene sequences were analy...

journal_title：FEMS microbiology ecology

authors： Liu Y,He L,An L,Helgason T,Feng H

更新日期：2009-01-01 00:00:00

abstract：:Microbial transformation of n-alkanes in anaerobic ecosystems plays a pivotal role in biogeochemical carbon cycling and bioremediation, but the requisite genetic machinery is not well elucidated.Desulfatibacillum alkenivorans AK-01 utilizes n-alkanes (C13 to C18) and contains two genomic loci encoding alkylsuccinate s...

journal_title：FEMS microbiology ecology

authors： Herath A,Wawrik B,Qin Y,Zhou J,Callaghan AV

更新日期：2016-05-01 00:00:00

abstract：:Many bacteria can resist phagocytic digestion by various protozoa. Some of these bacteria (all human pathogens) are known to be packaged in multilamellar bodies produced in the phagocytic pathway of the protozoa and that are secreted into the extracellular milieu. Packaged bacteria are protected from harsh conditions,...

journal_title：FEMS microbiology ecology

authors： Paquet VE,Charette SJ

更新日期：2016-03-01 00:00:00

abstract：:We present a method for the rapid and simple extraction of DNA from marine sediments using electroelution. It effectively separates DNA from compounds, including humic substances, that interfere with subsequent DNA quantification and amplification. After extraction of the DNA from the sediment into an aqueous solution...

journal_title：FEMS microbiology ecology

authors： Kallmeyer J,Smith DC

更新日期：2009-07-01 00:00:00

abstract：:The impact of low pathogenic influenza viruses such as subtype H9N2, which infect the respiratory and the gastrointestinal tracts of chickens, on microbial composition are not known. Twenty-day-old specific pathogen-free chickens were assigned to two treatment groups, control (uninfected) and H9N2-infected (challenged...

journal_title：FEMS microbiology ecology

authors： Yitbarek A,Weese JS,Alkie TN,Parkinson J,Sharif S

更新日期：2018-01-01 00:00:00

abstract：:Carbon transfer between plants via a common extraradical network of arbuscular mycorrhizal (AM) fungal hyphae has been investigated abundantly, but the results remain equivocal. We studied the transfer of carbon through this fungal network, from a Medicago truncatula donor plant to a receiver (1) M. truncatula plant g...

journal_title：FEMS microbiology ecology

authors： Voets L,Goubau I,Olsson PA,Merckx R,Declerck S

更新日期：2008-08-01 00:00:00

abstract：:The primary aim of this study was to determine whether distinct gastrointestinal tract (GIT) microbial communities are established within ingesta and on mucosal surfaces of dairy calves and chickens to evaluate whether the principle of microbial segregation is of broad biological significance. Multivariate analysis of...

journal_title：FEMS microbiology ecology

authors： Malmuthuge N,Li M,Chen Y,Fries P,Griebel PJ,Baurhoo B,Zhao X,Guan LL

更新日期：2012-02-01 00:00:00

abstract：:Previous microscopy-based studies in the eastern English Channel have revealed it to be a productive meso-eutrophic coastal ecosystem, characterized by strong repeating patterns in microplankton succession. The present study examines the seasonal structure of the entire protistan community from March 2011 to July 2013...

journal_title：FEMS microbiology ecology

authors： Genitsaris S,Monchy S,Viscogliosi E,Sime-Ngando T,Ferreira S,Christaki U

更新日期：2015-05-01 00:00:00

abstract：:Plasmid-mediated horizontal gene transfer influences bacterial community structure and evolution. However, an understanding of the forces which dictate the fate of plasmids in bacterial populations remains elusive. This is in part due to the enormous diversity of plasmids, in terms of size, structure, transmission, ev...

journal_title：FEMS microbiology ecology

authors： Slater FR,Bailey MJ,Tett AJ,Turner SL

更新日期：2008-10-01 00:00:00

abstract：:Construction of 16S rDNA libraries was undertaken to examine the structure of free-living bacterial communities in the estuarine system Ria de Aveiro, Portugal. Samples were collected in April 2002, from two sites representing marine (station N1) and brackish (station I6) water zones. Clones were characterized by RFLP...

journal_title：FEMS microbiology ecology

authors： Henriques IS,Almeida A,Cunha A,Correia A

更新日期：2004-08-01 00:00:00

abstract：:Microbial communities were characterized at contaminated sites that had elevated levels of nitrate, nickel, aluminum, and uranium (up to 690 mM, 310 microM, 42 mM, and 30 microM, respectively). The bacterial community structure based upon clonal libraries of the SSU rRNA genes (screened clones = 876) was diverse at th...

journal_title：FEMS microbiology ecology

authors： Fields MW,Yan T,Rhee SK,Carroll SL,Jardine PM,Watson DB,Criddle CS,Zhou J

更新日期：2005-08-01 00:00:00

abstract：:Antarctic soils are known to be oligotrophic and of having low buffering capacities. It is expected that this is particularly the case for inland high-altitude regions. We hypothesized that the bedrock type and the presence of macrobiota in these soils enforce a high selective pressure on their bacterial communities. ...

journal_title：FEMS microbiology ecology

authors： Tytgat B,Verleyen E,Sweetlove M,D'hondt S,Clercx P,Van Ranst E,Peeters K,Roberts S,Namsaraev Z,Wilmotte A,Vyverman W,Willems A

更新日期：2016-09-01 00:00:00

abstract：:Antibiotic resistance exerts a metabolic cost on bacteria and presumably a fitness disadvantage in the absence of antibiotics. However, several studies have shown that bacteria can evolve to eliminate this cost. Escherichia coli can adapt to the plasmid pBR322 carrying the tetA tetracycline-resistance gene (codes for ...

journal_title：FEMS microbiology ecology

authors： Hellweger FL

更新日期：2013-03-01 00:00:00

abstract：:Biological soil crusts (BSCs) are microbial assemblages that occur worldwide and facilitate ecosystem development by nitrogen (N) and carbon accumulation. N turnover within BSC ecosystems has been intensively studied in the past; however, shifts in the N cycle during BSC development have not been previously investigat...

journal_title：FEMS microbiology ecology

authors： Brankatschk R,Fischer T,Veste M,Zeyer J

更新日期：2013-01-01 00:00:00

abstract：:Selenium is an essential trace element that can modulate the gut microbiome with an impact on host health. The present study aimed to evaluate the effects of organic (selenium-enriched yeast) vs inorganic (sodium selenite) selenium source on fecal end-fermentation products and gut microbiome of puppies from 20 to 52 w...

journal_title：FEMS microbiology ecology

authors： Pereira AM,Pinna C,Biagi G,Stefanelli C,Maia MRG,Matos E,Segundo MA,Fonseca AJM,Cabrita ARJ

更新日期：2020-10-21 00:00:00

abstract：:A soybean nodule endophytic bacterium Bradyrhizobium sp. strain SR-6 was characterized for production of acyl homoserine lactones (AHLs) as quorum sensing molecules. Mass spectrometry analysis of AHLs revealed the presence of C6-HSL, 3OH-C6-HSL, C8-HSL, C10-HSL, 3oxoC10-HSL, 3oxo-C12-HSL and 3OH-C12-HSL which are sign...

journal_title：FEMS microbiology ecology

authors： Ali A,Ayesha,Hameed S,Imran A,Iqbal M,Iqbal J,Oresnik IJ

更新日期：2016-09-01 00:00:00

abstract：:Marine macroalgae are subjected to large numbers of bacteria in their environment. These bacteria have the potential to affect the health and ecology of algae in a variety of ways and can be both beneficial and harmful to the algae. Therefore, algae have likely evolved mechanisms to differentially regulate the growth ...

journal_title：FEMS microbiology ecology

authors： Sneed JM,Pohnert G

更新日期：2011-02-01 00:00:00