Distinct bacterial assemblages reside at different depths in Arctic multiyear sea ice.

abstract：:The sea anemone Entacmaea medusivora (Actiniaria, Anthozoa) commonly feeds on the golden jellyfish Mastigias papua (Rhizostomeae, Scyphozoa) which harbours an endosymbiotic dinoflagellate of the genus Cladocopium (Symbiodiniaceae). In this study, we monitored the photosynthetic activity of the endosymbiotic microalgae...

journal_title：FEMS microbiology ecology

authors： Vega de Luna F,Dang KV,Cardol M,Roberty S,Cardol P

更新日期：2019-10-01 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：:Multiple endosymbionts commonly coexist in the same host insects. In order to gain an understanding of the biological roles of the individual symbionts in such complex systems, experimental techniques for enabling the selective removal of a specific symbiont from the host are of great importance. By using the pea aphi...

journal_title：FEMS microbiology ecology

authors： Koga R,Tsuchida T,Sakurai M,Fukatsu T

更新日期：2007-05-01 00:00:00

abstract：:Photosynthetic picoeukaryotes (PPEs) are major oceanic primary producers. However, the diversity of such communities remains poorly understood, especially in the northwestern (NW) Pacific. We investigated the abundance and diversity of PPEs, and recorded environmental variables, along a transect from the coast to the ...

journal_title：FEMS microbiology ecology

authors： Choi DH,An SM,Chun S,Yang EC,Selph KE,Lee CM,Noh JH

更新日期：2016-02-01 00:00:00

abstract：:Land plants directly contact soil through their roots. An enormous diversity of microbes dwelling in root-associated zones, including endosphere (inside root), rhizoplane (root surface) and rhizosphere (soil surrounding the root surface), play essential roles in ecosystem functioning and plant health. Rice is a staple...

journal_title：FEMS microbiology ecology

authors： Ding LJ,Cui HL,Nie SA,Long XE,Duan GL,Zhu YG

更新日期：2019-05-01 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：: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：:Denaturing gradient gel electrophoresis (DGGE) was employed to resolve PCR-amplified nifH sequences from vegetated and unvegetated sediments from two oligotrophic seagrass bed sites on San Salvador Island, Bahamas, in order to assess diazotroph species composition. All DGGE profiles from these sites showed the same pr...

journal_title：FEMS microbiology ecology

authors： Bagwell CE,Rocque JR,Smith GW,Polson SW,Friez MJ,Longshore JW,Lovell CR

更新日期：2002-02-01 00:00:00

abstract：:This study tests the hypothesis that altering the mineral composition of soil influences microbial community structure in a nutrient-deficient soil. Microcosms were established by adding mica (M), basalt (B) and rock phosphate (P) to soil separately, and in combination (MBP), and by planting with Lolium rigidum, Trifo...

journal_title：FEMS microbiology ecology

authors： Carson JK,Rooney D,Gleeson DB,Clipson N

更新日期：2007-09-01 00:00:00

abstract：:The asexual ectomycorrhizal fungus Cenococcum geophilum has a wide geographic range in diverse forest ecosystems. Although its genetic diversity has been documented at a stand or regional scale, knowledge of spatial genetic structure is limited. We studied the genetic diversity and spatial structure of C. geophilum in...

journal_title：FEMS microbiology ecology

authors： Matsuda Y,Takeuchi K,Obase K,Ito S

更新日期：2015-10-01 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：:Knowledge of microbial communities and their inherent heterogeneity has dramatically increased with the widespread use of high-throughput sequencing technologies, and we are learning more about the ecological processes that structure microbial communities across a wide range of environments, as well as the relative sc...

journal_title：FEMS microbiology ecology

authors： Meadow JF,Zabinski CA

更新日期：2012-10-01 00:00:00

abstract：:Based on a 6-year field trial in a temperate steppe in Inner Mongolia, we investigated the effects of nitrogen (N) and phosphorus (P) fertilization and mowing on the abundance and community compositions of ammonia-oxidizing Bacteria (AOB) and Archaea (AOA) upon early (May) and peak (August) plant growth using quantita...

journal_title：FEMS microbiology ecology

authors： Chen YL,Hu HW,Han HY,Du Y,Wan SQ,Xu ZW,Chen BD

更新日期：2014-07-01 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：:The effects of heavy metals and phytoextraction practices on a soil microbial community were studied during 12 months using a hyperaccumulating plant (Thlaspi caerulescens) grown in an artificially contaminated soil. The 16S ribosomal RNA genes of the Bacteria and the beta-Proteobacteria and the amoA gene (encoding th...

journal_title：FEMS microbiology ecology

authors： Gremion F,Chatzinotas A,Kaufmann K,Von Sigler W,Harms H

更新日期：2004-05-01 00:00:00

abstract：:The aim of this work was to relate depth profiles of prokaryotic community composition with geochemical processes in the deep subseafloor biosphere at two shallow-water sites on the Peru Margin in the Pacific Ocean (ODP Leg 201, sites 1228 and 1229). Principal component analysis of denaturing gradient gel electrophore...

journal_title：FEMS microbiology ecology

authors： Fry JC,Webster G,Cragg BA,Weightman AJ,Parkes RJ

更新日期：2006-10-01 00:00:00

abstract：:A modified fluorescence in situ hybridization (FISH) method was used to analyze bacterial prey composition in protistan food vacuoles in both laboratory and natural populations. Under laboratory conditions, we exposed two bacterial strains (affiliated with beta- and gamma-Proteobacteria -- Aeromonas hydrophila and Pse...

journal_title：FEMS microbiology ecology

authors： Jezbera J,Hornák K,Simek K

更新日期：2005-05-01 00:00:00

abstract：:Prolonged lack of enteral feeding has a negative impact on gut physiology, potentially via microbiota modulation. The aims were to investigate the impact of fasting and post-prandial changes in canine jejunal microbiota. To study post-prandial effects, jejunal brushings were analyzed in 8 healthy fistulated dogs 15 mi...

journal_title：FEMS microbiology ecology

authors： Kasiraj AC,Harmoinen J,Isaiah A,Westermarck E,Steiner JM,Spillmann T,Suchodolski JS

更新日期：2016-06-01 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：:Obligate psychrophilic, facultative psychrophilic, and mesophilic yeasts were cultured in a carbon-rich medium at different temperatures to investigate whether growth parameters, lipid accumulation, and fatty acid (FA) composition were adaptive and/or acclimatory responses. Acclimation of facultative psychrophiles and...

journal_title：FEMS microbiology ecology

authors： Rossi M,Buzzini P,Cordisco L,Amaretti A,Sala M,Raimondi S,Ponzoni C,Pagnoni UM,Matteuzzi D

更新日期：2009-09-01 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：:A total of 159 endophytic bacteria were isolated from surface-sterilized root nodules of wild perennial Glycyrrhiza legumes growing on 40 sites in central and northwestern China. Amplified fragment length polymorphism (AFLP) genomic fingerprinting and sequencing of partial 16S rRNA genes revealed that the collection m...

journal_title：FEMS microbiology ecology

authors： Li L,Sinkko H,Montonen L,Wei G,Lindström K,Räsänen LA

更新日期：2012-01-01 00:00:00

abstract：:In view of their key roles in many soil- and plant-related processes, we hypothesized that soil microorganisms could play a larger role in determining wheat baking quality than nitrogen fertilization. A field experiment was conducted under bread wheat production conditions, where different fertilization treatments, ra...

journal_title：FEMS microbiology ecology

authors： Yergeau É,Quiza L,Tremblay J

更新日期：2020-02-01 00:00:00

abstract：:It has been postulated that a variety of physically undefended marine invertebrates have evolved strategies to control microbial epibiosis chemically. Ecologically meaningful experiments that demonstrate chemically mediated antibacterial effects are difficult due to the small number of cultivable bacteria. Based on th...

journal_title：FEMS microbiology ecology

authors： Harder T,Lau SC,Tam WY,Qian PY

更新日期：2004-01-01 00:00:00

abstract：:In view of the increasing interest in the bioecological and nutritional control of diseases, use of probiotics alone or in combination with prebiotics (synbiotics) appears as a therapeutic option for various diseases. In this study, an attempt was made to explore the protective potential of Lactobacillus acidophilus a...

journal_title：FEMS microbiology ecology

authors： Rishi P,Mavi SK,Bharrhan S,Shukla G,Tewari R

更新日期：2009-08-01 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：:Listeria monocytogenes is a human pathogen, ubiquitous in the environment, and can grow and survive under a wide range of environmental conditions. It contaminates foods via raw materials or food-processing environments. However, the current knowledge of its ecology and, in particular, the mode of environmental surviv...

journal_title：FEMS microbiology ecology

authors： Akya A,Pointon A,Thomas C

更新日期：2009-10-01 00:00:00

abstract：:This study examined the effects of temporal changes in bacterial community composition (BCC) and environmental factors on potential ectoenzymatic activities (alpha-glucosidase, beta-glucosidase, alkaline phosphatase and leucine aminopeptidase) in a lacustrine ecosystem (Sep reservoir, France). BCC was assessed by term...

journal_title：FEMS microbiology ecology

authors： Boucher D,Debroas D

更新日期：2009-10-01 00:00:00

abstract：:Epsilonproteobacteria are widely distributed in marine, freshwater, and terrestrial environments, although most well-studied groups are from hydrothermal vents and the human intestinal tract. The environmental variables that control epsilonproteobacterial communities in sulfidic terrestrial environments, however, are ...

journal_title：FEMS microbiology ecology

authors： Rossmassler K,Engel AS,Twing KI,Hanson TE,Campbell BJ

更新日期：2012-02-01 00:00:00

abstract：:Besides water, nitrogen is the limiting factor for biomass production in arid ecosystems. Global climatic changes are exacerbating aridity levels, and the response of nitrogen-transforming microorganisms to these changes is not clear yet. Using semi-arid and arid ecosystems as surrogates for conditions of increased ar...

journal_title：FEMS microbiology ecology

authors： Sher Y,Zaady E,Nejidat A

更新日期：2013-12-01 00:00:00