abstract：:Rodent-associated Bartonella species are generally host-specific parasites in North America. Here evidence that Bartonella species can 'jump' between host species is presented. Northern grasshopper mice and other rodents were trapped in the western USA. A study of Bartonella infection in grasshopper mice demonstrated ...

journal_title：FEMS microbiology ecology

authors： Bai Y,Kosoy MY,Cully JF,Bala T,Ray C,Collinge SK

更新日期：2007-09-01 00:00:00

abstract：:In tomato soilless culture, plant-disease optimal control and growth promotion are achieved when the rhizosphere is heavily colonized by the biocontrol agent Pythium oligandrum. Discrepancies in performance are generally attributed to the poor persistence of P. oligandrum on roots. In this study, three selected strain...

journal_title：FEMS microbiology ecology

authors： Le Floch G,Tambong J,Vallance J,Tirilly Y,Lévesque A,Rey P

更新日期：2007-08-01 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：:The polychlorinated biphenyl (PCB)-degrading Pseudomonas sp. B4 was tested for its motility and ability to sense and respond to biphenyl, its chloroderivatives and chlorobenzoates in chemotaxis assays. Pseudomonas sp. B4 was attracted to biphenyl, PCBs and benzoate in swarm plate and capillary assays. Chemotaxis towar...

journal_title：FEMS microbiology ecology

authors： Gordillo F,Chávez FP,Jerez CA

更新日期：2007-05-01 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：:In the present study, automated ribosomal intergenic spacer analysis (ARISA), library sequence analysis, real-time PCR detection of Bacteroides uniformis and Campylobacter coli and dot-blot hybridizations of Clostridiaceae were used to identify trends in microbial colonization of the ceca of male turkeys. Two separate...

journal_title：FEMS microbiology ecology

authors： Scupham AJ

更新日期：2007-04-01 00:00:00

abstract：:We combined denaturing gradient gel electrophoresis (DGGE), catalysed reporter deposition-FISH (CARD-FISH) and clone libraries to investigate the seasonality of the bacterial assemblage composition in north-west Mediterranean coastal waters. DGGE analysis indicated that bacterial diversity changed gradually throughout...

journal_title：FEMS microbiology ecology

authors： Alonso-Sáez L,Balagué V,Sà EL,Sánchez O,González JM,Pinhassi J,Massana R,Pernthaler J,Pedrós-Alió C,Gasol JM

更新日期：2007-04-01 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：:Filamentous Chloroflexi species are often present in activated sludge wastewater treatment plants in relatively low numbers, although bulking incidences caused by Chloroflexi filaments have been observed. A new species-specific gene probe for FISH was designed and using phylum-, subdivision-, morphotype 1851- and spec...

journal_title：FEMS microbiology ecology

authors： Kragelund C,Levantesi C,Borger A,Thelen K,Eikelboom D,Tandoi V,Kong Y,van der Waarde J,Krooneman J,Rossetti S,Thomsen TR,Nielsen PH

更新日期：2007-03-01 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：: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：:Bacterial production in glacial runoff and aquatic habitats along a c. 500 m transect from the ablation area of a Svalbard glacier (Midre Lovénbreen, 79 degrees N, 12 degrees E) down to a series of proglacial lakes in its forefield were assessed. In addition, a series of in situ experiments were conducted to test how ...

journal_title：FEMS microbiology ecology

authors： Mindl B,Anesio AM,Meirer K,Hodson AJ,Laybourn-Parry J,Sommaruga R,Sattler B

更新日期：2007-02-01 00:00:00

abstract：:Biological control as an alternative to chemical pesticides is of increasing public interest. However, to ensure safe use of biocontrol methods, strategies to assess the possible risks need to be developed. The production of toxic metabolites is an aspect which has so far largely been neglected in the risk assessment ...

journal_title：FEMS microbiology ecology

authors： Boss D,Maurhofer M,Schläpfer E,Défago G

更新日期：2007-01-01 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：:We hypothesized that apparently non-antagonistic soil bacteria may contribute to suppression of fungi during competitive interactions with other bacteria. Four soil bacteria (Brevundimonas sp., Luteibacter sp., Pedobacter sp. and Pseudomonas sp.) that exhibited little or no visible antifungal activity on different aga...

journal_title：FEMS microbiology ecology

authors： de Boer W,Wagenaar AM,Klein Gunnewiek PJ,van Veen JA

更新日期：2007-01-01 00:00:00

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：:Microbial communities of extreme environments have often been assumed to have low species richness. We analysed 18S rRNA gene signatures in a sample collected below the chemocline of the anoxic Mariager Fjord in Denmark, and from these data we computed novel parametric and standard nonparametric estimates of protistan...

journal_title：FEMS microbiology ecology

authors： Zuendorf A,Bunge J,Behnke A,Barger KJ,Stoeck T

更新日期：2006-12-01 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：:Nitrate reduction plays a key role in the biogeochemical dynamics and microbial ecology of coastal sediments. Potential rates of nitrate reduction were measured on undisturbed sediment slices from two eutrophic coastal environments using flow-through reactors (FTR). Maximum potential nitrate reduction rates ranged ove...

journal_title：FEMS microbiology ecology

authors： Laverman AM,Van Cappellen P,van Rotterdam-Los D,Pallud C,Abell J

更新日期：2006-11-01 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：: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：:Cylindrospermopsis raciborskii is a toxic bloom-forming cyanobacterium that occurs at tropical and temperate latitudes. Despite several reports from Africa, no data were previously available about its dynamics or toxic potential there. We therefore carried out a 1-year survey of the dynamics of C. raciborskii in the m...

journal_title：FEMS microbiology ecology

authors： Berger C,Ba N,Gugger M,Bouvy M,Rusconi F,Couté A,Troussellier M,Bernard C

更新日期：2006-09-01 00:00:00

abstract：:Molecular and culture based methods were used to survey endolithic, photosynthetic communities from hot spring-formed travertine rocks of various ages, ranging from<10 to greater than 300,000 years. Much of this travertine contained a 1-3-mm-thick greenish band composed mainly of cyanobacteria 1-5 mm below the rock su...

journal_title：FEMS microbiology ecology

authors： Norris TB,Castenholz RW

更新日期：2006-09-01 00:00:00

abstract：:Azospirillum brasilense 8-I was chromosomally labeled with green fluorescent protein (gfp) genes, using either the native promoterless gfp gene or the mutant gfpmut2 gene under the transcriptional control of the neomycin phosphate transferase (npt2) promoter inserted into Tn5 suicide plasmid vectors. One A. brasilense...

journal_title：FEMS microbiology ecology

authors： Rodriguez H,Mendoza A,Cruz MA,Holguin G,Glick BR,Bashan Y

更新日期：2006-08-01 00:00:00

abstract：:In this paper, we report the identification and first characterization of a novel, cold-loving, prokaryotic community thriving among white-greenish 'streamers' in the cold (c. 10 degrees C) sulphurous water of the marsh Sippenauer Moor near Regensburg, Bavaria, Germany. It consists of the bacterial genus Thiothrix, th...

journal_title：FEMS microbiology ecology

authors： Koch M,Rudolph C,Moissl C,Huber R

更新日期：2006-07-01 00:00:00

abstract：:The abilities of some ascomycetes (Myxotrichaceae) from a Sphagnum bog in Alberta to degrade cellulose, phenolics, and Sphagnum tissue were compared with those of two basidiomycetes. Most Myxotrichaceae degraded cellulose and tannic acid, and removed cell-wall components simultaneously from Sphagnum tissues, whereas t...

journal_title：FEMS microbiology ecology

authors： Rice AV,Tsuneda A,Currah RS

更新日期：2006-06-01 00:00:00

abstract：:The development of nitrogen-fixing nodules of the Rhizobium-legume symbiosis, especially the early stages of root hair deformation and curling, infection thread formation, and nodule initiation, has been well studied from a genetic standpoint. In contrast, the factors important for the colonization of surfaces by rhiz...

journal_title：FEMS microbiology ecology

authors： Fujishige NA,Kapadia NN,De Hoff PL,Hirsch AM

更新日期：2006-05-01 00:00:00

abstract：:Soil microbial communities play an important role in nutrient cycling and nutrient availability, especially in unimproved soils. In grazed pastures, sheep urine causes local changes in nutrient concentration which may be a source of heterogeneity in microbial community structure. In the present study, we investigated ...

journal_title：FEMS microbiology ecology

authors： Nunan N,Singh B,Reid E,Ord B,Papert A,Squires J,Prosser JI,Wheatley RE,McNicol J,Millard P

更新日期：2006-05-01 00:00:00

abstract：:Dissolved organic carbon (DOC) photochemical reactions establish important links between DOC and planktonic bacteria. We hypothesize that seasonal changes in DOC quality, related to the flood pulse, drive the effects of light-DOC interactions on uptake by planktonic bacteria uptake in clear-water Amazonian ecosystems....

journal_title：FEMS microbiology ecology

authors： Amado AM,Farjalla VF,Esteves Fde A,Bozelli RL,Roland F,Enrich-Prast A

更新日期：2006-04-01 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：:The most widely used methods for the estimation of the living/dead fractions of bacterial cells involve specific stains that are able to reveal membrane integrity. Here, we have compared two different probes (propidium iodide and ethidium homodimer-2) that have different molecular weights and steric hindrance effects....

journal_title：FEMS microbiology ecology

authors： Manini E,Danovaro R

更新日期：2006-03-01 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：:Bacterial motility was recognized 300 years ago. Throughout this history, research into motility has led to advances in microbiology and physics. Thirty years ago, this union helped to make run and tumble chemotaxis the paradigm for bacterial movement. This review highlights how this paradigm has expanded and changed,...

journal_title：FEMS microbiology ecology

authors： Mitchell JG,Kogure K

更新日期：2006-01-01 00:00:00

abstract：:Rhodococcus sp. strain DTB (DSM 44534) was grown on a mixture of (R,R)-, (S,S)- and meso-bis-(1-chloro-2-propyl) ether (BCPE) as the sole source of carbon and energy. During BCPE degradation 1'-chloro-2'-propyl-3-chloro-2-prop-1-enyl-ether (DVE), 1-chloro-2-propanol and chloroacetone intermediates were formed. The BCP...

journal_title：FEMS microbiology ecology

authors： Garbe LA,Moreno-Horn M,Tressl R,Görisch H

更新日期：2006-01-01 00:00:00

abstract：:Microbial communities in two production waters of a low-temperature and low-salinity petroleum reservoir in Canada were examined using cultural and molecular approaches. The predominant cultivated microorganisms were homoacetogens but sulfate-reducers, acetoclastic methanogens and denitrifiers also gave significant co...

journal_title：FEMS microbiology ecology

authors： Grabowski A,Nercessian O,Fayolle F,Blanchet D,Jeanthon C

更新日期：2005-11-01 00:00:00

abstract：:We investigated ammonia-oxidizing bacteria in activated sludge collected from 12 sewage treatment systems, whose ammonia removal and treatment processes differed, during three different seasons. We used real-time PCR quantification to reveal total bacterial numbers and total ammonia oxidizer numbers, and used specific...

journal_title：FEMS microbiology ecology

authors： Limpiyakorn T,Shinohara Y,Kurisu F,Yagi O

更新日期：2005-10-01 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：:The influence of chromium on the microbial community structure was analyzed in a river system subjected to long-term chromium contamination, by plating and by sequencing 16S rRNA genes cloned from DNA extracted from the river sediments. We also analyzed the influence of chromium on the ability of the microbial communi...

journal_title：FEMS microbiology ecology

authors： Branco R,Chung AP,Veríssimo A,Morais PV

更新日期：2005-09-01 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：: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