Genetic diversity of Mimosa pudica rhizobial symbionts in soils of French Guiana: investigating the origin and diversity of Burkholderia phymatum and other beta-rhizobia.

abstract：:Predation and competition are two main factors that determine the size and composition of aquatic bacterial populations. Using a simplified bacterial community, composed of three strains characterized by different responses to predation, a short-term laboratory experiment was performed to evaluate adaptations and rela...

journal_title：FEMS microbiology ecology

authors： Corno G

更新日期：2006-12-01 00:00:00

abstract：:Abstract To better understand the trigger for and use of motility in marine bacterial chemotaxis, specific (amino acids) chemical stimuli were used to test the effect on bacterial speed and reorientation. An assay system was developed to analyse bacterial behavioural responses to point-like nutrient sources (beads 10-...

journal_title：FEMS microbiology ecology

authors： Barbara GM,Mitchell JG

更新日期：2003-02-01 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：:Riverine biofilms remain one of the least-studied habitats despite the significant increase in the examination of aquatic microbial communities in recent years. In this study, the dynamics of epilithic biofilm communities native on rocks from a low-order upland stream were examined over a period of 3 years. Spatial an...

journal_title：FEMS microbiology ecology

authors： Anderson-Glenna MJ,Bakkestuen V,Clipson NJ

更新日期：2008-06-01 00:00:00

abstract：:In eastern Canada, climate change-related warming and increased precipitation may alter winter snow cover, with potential consequences for soil conditions, nitrogen (N) cycling, and microbes. We conducted a 2-year field study aimed at determining the influence of snow removal, snow accumulation, and ambient snow in a ...

journal_title：FEMS microbiology ecology

authors： Brin LD,Goyer C,Zebarth BJ,Burton DL,Chantigny MH

更新日期：2019-07-01 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：:Anthropogenic-derived sources of selection are typically implicated as mechanisms for maintaining antibiotic resistance in the environment. Here we report an additional mechanism for maintaining antibiotic resistance in the environment through bacterial exposure to metals. Using a culture-independent approach, bacteri...

journal_title：FEMS microbiology ecology

authors： Wright MS,Loeffler Peltier G,Stepanauskas R,McArthur JV

更新日期：2006-11-01 00:00:00

abstract：:Molecular bacterial community composition was characterized from three geographically distinct spacecraft-associated clean rooms to determine whether such populations are influenced by the surrounding environment or the maintenance of the clean rooms. Samples were collected from facilities at the Jet Propulsion Labora...

journal_title：FEMS microbiology ecology

authors： Moissl C,Osman S,La Duc MT,Dekas A,Brodie E,DeSantis T,Venkateswaran K

更新日期：2007-09-01 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 soil suspension was used as a source to initiate the development of microbial communities in flow cells irrigated with 2,4-dichlorophenoxyacetic acid (2,4-D) (25 microg ml(-1)). Culturable bacterial members of the community were identified by 16S rRNA gene sequencing and found to be members of the genera Pseudomonas...

journal_title：FEMS microbiology ecology

authors： Aspray TJ,Hansen SK,Burns RG

更新日期：2005-10-01 00:00:00

abstract：:Recent studies revealed a high diversity of fungal endophytes in traded tree seeds, including potential plant pathogens. The factors determining richness and composition of seed mycobiomes are poorly understood, but might be an important determinant for tree health. We assessed the relative impact of host identity, si...

journal_title：FEMS microbiology ecology

authors： Franić I,Eschen R,Allan E,Hartmann M,Schneider S,Prospero S

更新日期：2020-09-01 00:00:00

abstract：:One alternative to mineral fertilization is to use organic fertilizers. Our aim was to compare the impacts of 7-year applications of composted pig manure and ammonium nitrate on the structure and activity of the denitrifying community. Mineralization and organization of N, denitrification rates and N2O/N2 ratio were a...

journal_title：FEMS microbiology ecology

authors： Dambreville C,Hallet S,Nguyen C,Morvan T,Germon JC,Philippot L

更新日期：2006-04-01 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：: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：: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：:The relative genetic diversity of microcystin-producing Microcystis in the water and sediment of the Daechung Reservoir, Korea, was investigated over an entire year, including the cyanobacterial bloom season. The cells of potentially toxic Microcystis strains containing mcyJ genotypes and cells containing the genus-sp...

journal_title：FEMS microbiology ecology

authors： Kim SG,Joung SH,Ahn CY,Ko SR,Boo SM,Oh HM

更新日期：2010-10-01 00:00:00

abstract：:Two wild-type strains of Lactobacillus plantarum previously isolated from fermented dry sausages were analysed for their ability to transfer antibiotic resistance plasmids in the gastrointestinal tract. For this purpose, we used gnotobiotic rats as an in vivo model. Rats were initially inoculated with the recipient En...

journal_title：FEMS microbiology ecology

authors： Jacobsen L,Wilcks A,Hammer K,Huys G,Gevers D,Andersen SR

更新日期：2007-01-01 00:00:00

abstract：:DNA sequencing technology has proven very valuable for analysing the microbiota of poorly accessible ecosystems such as hydrothermal vents. Using a combination of amplicon and shotgun sequencing of small-subunit rRNA and its gene, we examined the composition and diversity of microbial communities from the recently dis...

journal_title：FEMS microbiology ecology

authors： Lanzén A,Jørgensen SL,Bengtsson MM,Jonassen I,Øvreås L,Urich T

更新日期：2011-09-01 00:00:00

abstract：:Sulfate-reducing bacteria (SRB) play an important role in sulfur, iron, and carbon cycling. The majority of studies have illustrated the role of SRB in biogeochemical cycling in pure cultures. In this study, we established three SRB enrichment cultures (designated HL, NB, and WC) from different paddy soils and conduct...

journal_title：FEMS microbiology ecology

authors： Li GX,Bao P

更新日期：2021-01-13 00:00:00

abstract：:Although anaerobic biodegradation of di-n-butyl phthalic acid ester (DBP) has been studied over the past decade, only little is known about the microorganisms involved in the biological anaerobic degradation pathways. The aim of this work is to characterize the microbial community dynamics in enrichment cultures degra...

journal_title：FEMS microbiology ecology

authors： Trably E,Batstone DJ,Christensen N,Patureau D,Schmidt JE

更新日期：2008-11-01 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

abstract：:Autotrophic ammonia-oxidising bacteria (AOB) are a crucial component of the microbial communities of nitrifying wastewater treatment systems. Nitrification is known to occur in reactors of different configuration, but whether AOB communities are different in reactors of different design is unknown. We compared the div...

journal_title：FEMS microbiology ecology

authors： Rowan AK,Snape JR,Fearnside D,Barer MR,Curtis TP,Head IM

更新日期：2003-03-01 00:00:00

abstract：:A total of 39 phenol- and p-cresol-degraders isolated from the river water continuously polluted with phenolic compounds of oil shale leachate were studied. Species identification by BIOLOG GN analysis revealed 21 strains of Pseudomonas fluorescens (4, 8 and 9 of biotypes A, C and G, respectively), 12 of Pseudomonas m...

journal_title：FEMS microbiology ecology

authors： Heinaru E,Truu J,Stottmeister U,Heinaru A

更新日期：2000-03-01 00:00:00

abstract：:The bacterium Pseudomonas aeruginosa is well known to have a remarkable adaptive capacity allowing it to colonise many environments. A recent study on environmental isolates from dental unit waterlines (DUWLs) hinted at a genetic clustering into two groups. Isolates from one of these groups, named cluster III, were sh...

journal_title：FEMS microbiology ecology

authors： Vincent AT,Freschi L,Jeukens J,Kukavica-Ibrulj I,Emond-Rheault JG,Leduc A,Boyle B,Jean-Pierre F,Groleau MC,Déziel E,Barbeau J,Charette SJ,Levesque RC

更新日期：2017-09-01 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：:Why should organisms cooperate with each other? Helping close relatives that are likely to share the same genes (kin selection) is one important explanation that is likely to apply across taxa. The production of metabolically costly extracellular iron-scavenging molecules (siderophores) by microorganisms is a cooperat...

journal_title：FEMS microbiology ecology

authors： Buckling A,Harrison F,Vos M,Brockhurst MA,Gardner A,West SA,Griffin A

更新日期：2007-11-01 00:00:00

abstract：:High-temperature (>/=60 degrees C) synthetic food waste compost was examined by cultivation-dependent and -independent methods to determine predominant microbial populations. Fluorescent direct counts totaled 6.4 (+/-2.5)x10(10) cells gdw(-1) in a freeze-dried 74 degrees C compost sample, while plate counts for thermo...

journal_title：FEMS microbiology ecology

authors： Dees PM,Ghiorse WC

更新日期：2001-04-01 00:00:00

abstract：:Infants experience a dramatic change in their food in the first year after birth when they shift from breast milk to solid food. This results in a large change in presence of indigestible polysaccharides, a primary energy resource of gut microbes. How the gut microbiota adapts to this dietary shift has not been well e...

journal_title：FEMS microbiology ecology

authors： Ye L,Das P,Li P,Ji B,Nielsen J

更新日期：2019-11-01 00:00:00

abstract：:Bacteria catalyze the dissolution and re-precipitation of gold, thereby driving the biogeochemical cycle of gold. Dissolution of gold/silver and re-precipitation of gold transforms gold particles by increasing gold purity. While soluble gold complexes are highly cytotoxic, little is known about how gold cycling affect...

journal_title：FEMS microbiology ecology

authors： Sanyal SK,Shuster J,Reith F

更新日期：2019-07-01 00:00:00

abstract：:The investigated deeply buried marine sediments of the shallow shelf off New Jersey, USA, are characterized by low organic carbon content and total cell counts of < 10(7) cells per mL sediment. The qPCR data for Bacteria and Archaea were in the same orders of magnitude as the total cell counts. Archaea and Bacteria oc...

journal_title：FEMS microbiology ecology

authors： Breuker A,Stadler S,Schippers A

更新日期：2013-09-01 00:00:00