Effects of autochthonous microbial community on the die-off of fecal indicators in tropical beach sand.

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：:Biological soil crusts (biocrusts) are common to drylands worldwide. We employed replicated, spatially nested sampling and 16S rRNA gene sequencing to describe the soil microbial communities in three soils derived from different parent material (sandstone, shale, and gypsum). For each soil type, two depths (biocrusts,...

journal_title：FEMS microbiology ecology

authors： Steven B,Gallegos-Graves LV,Belnap J,Kuske CR

更新日期：2013-10-01 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：:Cultivation-independent molecular approaches were used to investigate the phylogenetic composition of Archaea and the relative abundance of phylogenetically defined groups of methanogens in the leachate of a closed municipal solid waste landfill. Cloning and phylogenetic analysis of archaeal 16S rRNA gene sequences (1...

journal_title：FEMS microbiology ecology

authors： Huang LN,Chen YQ,Zhou H,Luo S,Lan CY,Qu LH

更新日期：2003-11-01 00:00:00

abstract：:The genetic diversity of bacterial populations nodulating Lupinus luteus (yellow lupine) in Northern Tunisia was examined. Phylogenetic analyses of 43 isolates based on recA and gyrB partial sequences grouped them in three clusters, two of which belong to genus Bradyrhizobium (41 isolates) and one, remarkably, to Micr...

journal_title：FEMS microbiology ecology

authors： Msaddak A,Rejili M,Durán D,Rey L,Imperial J,Palacios JM,Ruiz-Argüeso T,Mars M

更新日期：2017-06-01 00:00:00

abstract：:Bioavailability of electron acceptors is probably the most limiting factor in the restoration of anoxic, contaminated environments. The oxidation of contaminants such as aromatic hydrocarbons, particularly in aquifers, often depends on the reduction of ferric iron or sulphate. We have previously detected a highly acti...

journal_title：FEMS microbiology ecology

authors： Pilloni G,von Netzer F,Engel M,Lueders T

更新日期：2011-10-01 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

abstract：:Sponges are one of the most dominant organisms in marine ecosystems. One reason for their success is their association with microorganisms that are besides the host itself responsible for the chemical defence. Sponge abundances have been increasing on coral reefs in the Western Indian Ocean (WIO) and are predicted to ...

journal_title：FEMS microbiology ecology

authors： Helber SB,Steinert G,Wu YC,Rohde S,Hentschel U,Muhando CA,Schupp PJ

更新日期：2019-04-01 00:00:00

abstract：:Methane production was studied in an Italian rice field over two consecutive years (1998, 1999) by measuring the rates of total and acetate-dependent methanogenesis in soil and root samples. Population dynamics of methanogens were followed by terminal restriction fragment length polymorphism and real-time PCR targetin...

journal_title：FEMS microbiology ecology

authors： Krüger M,Frenzel P,Kemnitz D,Conrad R

更新日期：2005-02-01 00:00:00

abstract：:Bacteria belonging to the genus Methylobacterium are characterized by being able to rely on methanol as a sole carbon and energy source and by presenting a more or less intense pink reddish pigmentation. These bacteria, also referred to as pink-pigmented methylotrophic bacteria (PPFMs), are common inhabitants of the p...

journal_title：FEMS microbiology ecology

authors： Omer ZS,Tombolini R,Gerhardson B

更新日期：2004-03-01 00:00:00

abstract：:Here we provide the first exploration of microbial diversity from three distinct Victoria Valley edaphic habitats, namely lithobionts (hypoliths, endoliths) and surface soils. Using a combination of terminal restriction fragment length polymorphism (T-RFLP) analysis and 16S rRNA gene amplicon pyrosequencing we assess ...

journal_title：FEMS microbiology ecology

authors： Van Goethem MW,Makhalanyane TP,Valverde A,Cary SC,Cowan DA

更新日期：2016-04-01 00:00:00

abstract：:Sulfate-reducing bacteria (SRB) pose a serious problem to offshore oil industries by producing sulfide, which is highly reactive, corrosive and toxic. The dissimilatory sulfite reductase (dsr) gene encodes for enzyme dissimilatory sulfite reductase and catalyzes the conversion of sulfite to sulfide. Because this gene ...

journal_title：FEMS microbiology ecology

authors： Agrawal A,Lal B

更新日期：2009-08-01 00:00:00

abstract：:Many studies demonstrate the importance of the commensal microbiomes to animal health and development. However, the initial community assembly process is poorly understood. It is unclear to what extent the hosts select for their commensal microbiota, whether stochastic processes contribute, and how environmental condi...

journal_title：FEMS microbiology ecology

authors： Vestrum RI,Attramadal KJK,Vadstein O,Gundersen MS,Bakke I

更新日期：2020-09-01 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：:This work focused on the assessment of plant virus occurrence among primitive and higher plants in the Antarctic region. Sampling occurred during two seasons (2004/5 and 2005/6) at the Ukrainian Antarctic Station 'Academician Vernadskiy' positioned on Argentina Islands. Collected plant samples of four moss genera (Pol...

journal_title：FEMS microbiology ecology

authors： Polischuk V,Budzanivska I,Shevchenko T,Oliynik S

更新日期：2007-02-01 00:00:00

abstract：:Vast expanses of Earth's surface are covered by ice, with microorganisms in these systems affecting local and global biogeochemical cycles. We examined microbial assemblages from habitats fed by glacial meltwater within the McMurdo Dry Valleys, Antarctica and on the west Greenland Ice Sheet (GrIS), evaluating potentia...

journal_title：FEMS microbiology ecology

authors： Smith HJ,Dieser M,McKnight DM,SanClements MD,Foreman CM

更新日期：2018-07-01 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：: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：: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：:In marine oxygen deficient zones (ODZs), which contribute up to half of marine N loss, microbes use nitrogen (N) for assimilatory and dissimilatory processes. Here, we examine N utilization above and within the ODZ of the Eastern Tropical North Pacific Ocean, focusing on distribution, uptake and genes for the utilizat...

journal_title：FEMS microbiology ecology

authors： Widner B,Fuchsman CA,Chang BX,Rocap G,Mulholland MR

更新日期：2018-10-01 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：: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：:As water is a source of nosocomial infections in hospitals, the presence of fastidious Gram-negative bacteria in water samples taken in a university hospital was investigated. Water samples were inoculated onto agar plates and into amoebal microplates for co-culture. Sixty-eight alpha proteobacteria isolates were obta...

journal_title：FEMS microbiology ecology

authors： La Scola B,Barrassi L,Raoult D

更新日期：2000-12-01 00:00:00

abstract：:The GeoChip 4.2 gene array was employed to interrogate the microbial functional gene repertoire of sponges and seawater collected from the Red Sea and the Mediterranean. Complementary amplicon sequencing confirmed the microbial community composition characteristic of high microbial abundance (HMA) and low microbial ab...

journal_title：FEMS microbiology ecology

authors： Bayer K,Moitinho-Silva L,Brümmer F,Cannistraci CV,Ravasi T,Hentschel U

更新日期：2014-12-01 00:00:00

abstract：:During cyanobacterial blooms, processes influencing the population dynamics of blooming species remain partially unexplained. To provide new information, we performed a high-frequency monitoring – every 2 days at six sampling points – of a Microcystis aeruginosa population blooming in a shallow lake. At each sampling ...

journal_title：FEMS microbiology ecology

authors： Pobel D,Godon JJ,Humbert JF,Robin J

更新日期：2012-01-01 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

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：:Plasmid pQBR55 ( approximately 149 kb) represents one of five (Groups I-V) genetically distinct transfer proficient, mercury resistance plasmid groups that have been observed in the phytosphere pseudomonad community at a single geographic location in Oxford, UK. A 4.9-kb HindIII fragment was cloned from pQBR55 (a Grou...

journal_title：FEMS microbiology ecology

authors： Turner SL,Lilley AK,Bailey MJ

更新日期：2002-11-01 00:00:00

abstract：:The objective of the study was to elucidate the depth distribution and community composition of Archaea in a temperate acidic forest soil. Numbers of Archaea and Bacteria were measured in the upper 18 cm of the soil, and soil cores were sampled on two separate occasions using quantitative PCR targeting 16S rRNA genes....

journal_title：FEMS microbiology ecology

authors： Kemnitz D,Kolb S,Conrad R

更新日期：2007-06-01 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