Impacts of copper and lead exposure on prokaryotic communities from contaminated contrasted coastal seawaters: the influence of previous metal exposure.

abstract：:The impact of heavy metal contamination on soil bacterial communities was studied in soils amended for many years with sewage sludge contaminated with heavy metals to varying extents. At the broad level of resolution, DNA reassociation analysis indicated a dramatic decrease in bacterial diversity from 16{ omitted}000 ...

journal_title：FEMS microbiology ecology

authors： Sandaa R,Torsvik V V,Enger,Daae FL,Castberg T,Hahn D

更新日期：1999-11-01 00:00:00

abstract：:Fungal communities in Norway spruce (Picea abies) logs in two forests in Sweden were investigated by 454-sequence analyses and by examining the ecological roles of the detected taxa. We also investigated the relationship between fruit bodies and mycelia in wood and whether community assembly was affected by how the de...

journal_title：FEMS microbiology ecology

authors： Ottosson E,Kubartová A,Edman M,Jönsson M,Lindhe A,Stenlid J,Dahlberg A

更新日期：2015-03-01 00:00:00

abstract：:The diversity of protists was researched in the Alboran Sea (SW Mediterranean Sea) by means of high-throughput sequencing technologies based on the amplification of the V9 region of 18S rRNA. Samples were collected at different depths in seven stations following an environmental gradient from a coastal upwelling zone ...

journal_title：FEMS microbiology ecology

authors： García-Gómez C,Yebra L,Cortés D,Sánchez A,Alonso A,Valcárcel-Pérez N,Gómez-Jakobsen F,Herrera I,Johnstone C,Mercado JM

更新日期：2020-10-20 00:00:00

abstract：:The distribution of sulphate-reducing bacteria (SRBs) in three anaerobic sediments, one predominantly freshwater and low sulphate and two predominantly marine and high sulphate, on the River Tama, Tokyo, Japan, was investigated using 16S rRNA-targeted oligonucleotide probes. Hybridisation results and sulphate reductio...

journal_title：FEMS microbiology ecology

authors： Purdy KJ,Nedwell DB,Embley TM,Takii S

更新日期：2001-07-01 00:00:00

abstract：:The bacterioneuston (bacteria inhabiting the air-water interface) is poorly characterized and possibly forms a unique community in the aquatic environment. In high mountain lakes, the surface film is subjected to extreme conditions of life, suggesting the development of a specific and adapted bacterioneuston community...

journal_title：FEMS microbiology ecology

authors： Hervas A,Casamayor EO

更新日期：2009-02-01 00:00:00

abstract：:Variation in partner quality is commonly observed in diverse cooperative relationships, despite the theoretical prediction that selection favoring high-quality partners should eliminate such variation. Here, we investigated how genetic variation in partner quality could be maintained in the nitrogen-fixing mutualism b...

journal_title：FEMS microbiology ecology

authors： Bamba M,Aoki S,Kajita T,Setoguchi H,Watano Y,Sato S,Tsuchimatsu T

更新日期：2020-11-27 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：: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：:Because methane-oxidizing bacteria (MOB) are the only biological sink for the greenhouse gas methane, knowledge of the functioning of these bacteria in various ecosystems is needed to understand the dynamics observed in global methane emission. The activity of MOB is commonly assessed by methane oxidation assays. The ...

journal_title：FEMS microbiology ecology

authors： Steenbergh AK,Meima MM,Kamst M,Bodelier PL

更新日期：2010-01-01 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：:Using laboratory microcosms, we studied direct and indirect interactions among different components of bi- and tritrophic communities. Filamentous cyanobacteria (Phormidium sp.) and autotrophic flagellates (Chlorogonium elongatum) were primary producers. The second trophic level was represented by ciliates Furgasonia ...

journal_title：FEMS microbiology ecology

authors： Fyda J,Nosek J,Wiackowski K,Pajdak-Stós A,Fiałkowska E

更新日期：2009-06-01 00:00:00

abstract：:Plant symbioses with fungal root endophytes span a continuum from mutualistic to parasitic outcomes, and are highly variable depending on the genotype of each symbiont. The abiotic context in which interactions occur also seems to influence the outcome of plant-endophyte symbioses, but we lack understanding of its rel...

journal_title：FEMS microbiology ecology

authors： Kia SH,Jurkechova M,Glynou K,Piepenbring M,Maciá-Vicente JG

更新日期：2018-02-01 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：: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：:A yearlong study was conducted to determine factors that affect the abundance and distribution of lysogens and free viruses at fresh-, brackish-, and saltwater stations in Newport Bay, CA. The viral and bacterial abundance were highest in the freshwater (average 1.1 x 10(8) and 1.1 x 10(7) mL(-1), respectively) and lo...

journal_title：FEMS microbiology ecology

authors： Choi S,Jeliazkov I,Jiang SC

更新日期：2009-08-01 00:00:00

abstract：:Phase-separation and -segregation (boiling/distillation of subseafloor hydrothermal fluids) represent the primary mechanisms causing intra-field variations in vent fluid compositions. To determine whether this geochemical process affects the formation of microbial communities, we examined the microbial communities at ...

journal_title：FEMS microbiology ecology

authors： Nakagawa S,Takai K,Inagaki F,Chiba H,Ishibashi J,Kataoka S,Hirayama H,Nunoura T,Horikoshi K,Sako Y

更新日期：2005-09-01 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：:Identifying functional microorganisms involved in the degradation of high-molecular-mass polycyclic aromatic hydrocarbons (HMM-PAHs) in agricultural soil environments could assist in developing bioremediation strategies for soil PAH contamination. Active populations of HMM-PAH degraders in agricultural soils are curre...

journal_title：FEMS microbiology ecology

authors： Chen SC,Duan GL,Ding K,Huang FY,Zhu YG

更新日期：2018-03-01 00:00:00

abstract：:We explored how dietary bacteria affect the life history traits and biochemical composition of Daphnia magna, using three bacteria taxa with very different lipid composition. Our objectives were to (1) examine whether and how bacteria-dominated diets affect Daphnia survival, growth, and fecundity, (2) see whether bact...

journal_title：FEMS microbiology ecology

authors： Taipale SJ,Brett MT,Pulkkinen K,Kainz MJ

更新日期：2012-10-01 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：:The colonization efficacies of salivaricin A (SalA)-producing Streptococcus salivarius strains 20P3 and 5 were compared when given in milk to 219 children, using either 2-day or 9-day dosing regimens. Colonization levels overall were superior for strain 5, and the 9-day dosing schedule resulted in higher levels of bot...

journal_title：FEMS microbiology ecology

authors： Dierksen KP,Moore CJ,Inglis M,Wescombe PA,Tagg JR

更新日期：2007-03-01 00:00:00

abstract：:Mountains have a long history in the study of diversity. Like macroscopic taxa, soil microbes are hypothesized to be strongly structured by montane gradients, and recently there has been important progress in understanding how microbes are shaped by these conditions. Here, we summarize this literature and synthesize p...

journal_title：FEMS microbiology ecology

authors： Looby CI,Martin PH

更新日期：2020-09-01 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：:A polyphasic approach that included PCR-dependent and PCR-independent molecular techniques was applied to analyze the prokaryotic community in surface waters of shallow Antarctic lakes. The in situ abundance of different bacterial groups was determined by the fluorescence in situ hybridization, whereas bacterial diver...

journal_title：FEMS microbiology ecology

authors： Michaud L,Caruso C,Mangano S,Interdonato F,Bruni V,Lo Giudice A

更新日期：2012-11-01 00:00:00

abstract：:Marginal sea methane seep sediments sustain highly productive chemosynthetic ecosystems and are hotspots of intense biogeochemical cycling. Rich methane supply stimulates rapid microbial consumption of oxygen; these systems are thus usually hypoxic to anoxic. This and reported evidence for resident nitrogen fixation s...

journal_title：FEMS microbiology ecology

authors： Shao S,Luan X,Dang H,Zhou H,Zhao Y,Liu H,Zhang Y,Dai L,Ye Y,Klotz MG

更新日期：2014-02-01 00:00:00

abstract：:Despite predicted global warming, the temperature effects on headwater stream functioning are poorly understood. We studied these effects on microbial-mediated leaf decomposition and the performance of associated aquatic hyphomycete assemblages. Alder leaves were incubated in three streams differing in winter water te...

journal_title：FEMS microbiology ecology

authors： Martínez A,Larrañaga A,Pérez J,Descals E,Pozo J

更新日期：2014-01-01 00:00:00

abstract：:Glaciers accumulate airborne microorganisms year by year and thus are good archives of microbial communities and their relationship to climatic and environmental changes. Hypotheses have focused on two possible drivers of microbial community composition in glacier systems. One is aeolian deposition, in which the micro...

journal_title：FEMS microbiology ecology

authors： Xiang SR,Shang TC,Chen Y,Yao TD

更新日期：2009-11-01 00:00:00

abstract：:Population levels of total and ampicillin-resistant culturable bacteria and the putative horizontal bla gene acquirement from Bt-corn were studied in commercial fields of transgenic corn in Spain during the years 2000-2003. Commercial fields consisting of conventional corn (Dracma) and Bt176 transgenic corn (Compa CB)...

journal_title：FEMS microbiology ecology

authors： Badosa E,Moreno C,Montesinos E

更新日期：2004-05-01 00:00:00

abstract：:To explore the effect of phenanthrene on the functional diversity of soil microbial communities, Luvisol and Cambisol spiked with phenanthrene and their corresponding control soils were incubated in soil microcosms. Total community DNA extracted from samples taken at days 0 and 21 was analyzed by geochip. The number o...

journal_title：FEMS microbiology ecology

authors： Ding GC,Heuer H,He Z,Xie J,Zhou J,Smalla K

更新日期：2012-10-01 00:00:00

abstract：:A large number of antibiotic-resistant P. aeruginosa isolates are continuously discharged into natural water basins mainly through sewage. However, the environmental reservoirs of antibiotic resistance factors are poorly understood. In this study, the antibiotic resistance patterns of 245 isolates from various aquatic...

journal_title：FEMS microbiology ecology

authors： Olga P,Apostolos V,Alexis G,George V,Athena M

更新日期：2016-05-01 00:00:00