Detection of luciferase gene sequences in nonluminescent bacteria from the Chesapeake Bay.

abstract：:Biological soil crusts (BSCs) are microbial assemblages that occur worldwide and facilitate ecosystem development by nitrogen (N) and carbon accumulation. N turnover within BSC ecosystems has been intensively studied in the past; however, shifts in the N cycle during BSC development have not been previously investigat...

journal_title：FEMS microbiology ecology

authors： Brankatschk R,Fischer T,Veste M,Zeyer J

更新日期：2013-01-01 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：: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：:Within intertidal sediments, much of the dissolved organic carbon (DOC) consists of carbohydrate-rich extracellular polymeric substances (EPS) produced by microphytobenthic biofilms. EPS are an important source of carbon and energy for aerobic and anaerobic microorganisms owing to burial of microphytobenthos and downw...

journal_title：FEMS microbiology ecology

authors： McKew BA,Dumbrell AJ,Taylor JD,McGenity TJ,Underwood GJ

更新日期：2013-06-01 00:00:00

abstract：:This study evaluated the carriage of AmpC and extended-spectrum beta-lactamase (ESBL) genes and associated plasmids in faecal bacteria of Canadian corvids. Faecal samples from 449 birds in five roosting sites across Canada were analyzed using selective media, screening for AmpC and ESBL genes by PCR, and sequencing. G...

journal_title：FEMS microbiology ecology

authors： Jamborova I,Janecko N,Halova D,Sedmik J,Mezerova K,Papousek I,Kutilova I,Dolejska M,Cizek A,Literak I

更新日期：2018-11-01 00:00:00

abstract：:Ectomycorrhizal fungi (EMF) provide nutrients to their hosts by means of hyphae that extend beyond nutrient-depleted rhizosphere soil. Soil bacteria may compete with EMF for nutrients or may act synergistically to enhance nutrient supply to hosts. To assess the interactions between hyphae and bacteria, two types of sm...

journal_title：FEMS microbiology ecology

authors： Brooks DD,Chan R,Starks ER,Grayston SJ,Jones MD

更新日期：2011-05-01 00:00:00

abstract：:Carbon transfer between plants via a common extraradical network of arbuscular mycorrhizal (AM) fungal hyphae has been investigated abundantly, but the results remain equivocal. We studied the transfer of carbon through this fungal network, from a Medicago truncatula donor plant to a receiver (1) M. truncatula plant g...

journal_title：FEMS microbiology ecology

authors： Voets L,Goubau I,Olsson PA,Merckx R,Declerck S

更新日期：2008-08-01 00:00:00

abstract：:Denitrifying prokaryotes are phylogenetically and functionally diverse. Little is known about the relationship between soil denitrifier community composition and functional traits. We extracted bacterial cells from three cultivated peat soils with contrasting native pH by density gradient centrifugation and investigat...

journal_title：FEMS microbiology ecology

authors： Dörsch P,Braker G,Bakken LR

更新日期：2012-02-01 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：: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：:On-board flow cytometric determinations of picoplankton abundance (i.e. Synechococcus spp., Prochlorococcus spp., picoeukaryotes and also heterotrophic bacteria) were obtained in the East China Sea in fall of 2000 and 2003. The average abundances of Synechococcus, Prochlorococcus, picoeukaryotes and heterotrophic bact...

journal_title：FEMS microbiology ecology

authors： Pan LA,Zhang LH,Zhang J,Gasol JM,Chao M

更新日期：2005-04-01 00:00:00

abstract：:Vibrio harveyi has been reported to enter into a viable but nonculturable (VBNC) state. Two clinical V. harveyi strains, SF1 and CW2, and the type strain, VIB295(T), were incubated in sterilized seawater at 4 degrees C. Plate counts in these strains declined to undetectable levels (<0.1 CFU mL(-1)) within 69, 67 and 6...

journal_title：FEMS microbiology ecology

authors： Sun F,Chen J,Zhong L,Zhang XH,Wang R,Guo Q,Dong Y

更新日期：2008-04-01 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：:Most plants form symbiotic associations with arbuscular mycorrhizal fungi (AMF). AMF increase the uptake of plant nutrients by extending their extra-radical mycelium (ERM) in the soil where other groups of microorganisms may suppress the activity of the ERM. However, little is known about such suppression in natural s...

journal_title：FEMS microbiology ecology

authors： Cruz-Paredes C,Svenningsen NB,Nybroe O,Kjøller R,Frøslev TG,Jakobsen I

更新日期：2019-03-01 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 seepages typically harbor communities of anaerobic methane oxidizers (ANME); however, knowledge about fine-scale vertical variation of ANME in response to geochemical gradients is limited. We investigated microbial communities in sediments below a white microbial mat in the G11 pockmark at Nyegga by 16S rRNA g...

journal_title：FEMS microbiology ecology

authors： Roalkvam I,Jørgensen SL,Chen Y,Stokke R,Dahle H,Hocking WP,Lanzén A,Haflidason H,Steen IH

更新日期：2011-11-01 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：:Aerobic anoxygenic phototrophs (AAPs) are a group of photoheterotrophic bacteria common in natural waters. Here, AAP abundance and contribution to total bacterial abundance and biomass were investigated to test whether the trophic status of a lake or content of coloured dissolved organic matter (CDOM) play a role in d...

journal_title：FEMS microbiology ecology

authors： Szabó-Tugyi N,Vörös L,V-Balogh K,Botta-Dukát Z,Bernát G,Schmera D,Somogyi B

更新日期：2019-08-01 00:00:00

abstract：:Determining the factors underlying the assembly, structure, and diversity of symbiont communities remains a focal point of animal-microbiome research. Much of these efforts focus on taxonomic variation of microbiota within or between animal populations, but rarely test the proportional impacts of ecological components...

journal_title：FEMS microbiology ecology

authors： Carrier TJ,Dupont S,Reitzel AM

更新日期：2019-08-01 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：: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：: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：: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

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：:A soybean nodule endophytic bacterium Bradyrhizobium sp. strain SR-6 was characterized for production of acyl homoserine lactones (AHLs) as quorum sensing molecules. Mass spectrometry analysis of AHLs revealed the presence of C6-HSL, 3OH-C6-HSL, C8-HSL, C10-HSL, 3oxoC10-HSL, 3oxo-C12-HSL and 3OH-C12-HSL which are sign...

journal_title：FEMS microbiology ecology

authors： Ali A,Ayesha,Hameed S,Imran A,Iqbal M,Iqbal J,Oresnik IJ

更新日期：2016-09-01 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 recent description of the polychromatic sponge Plakina kanaky revealed original microsymbionts, with some morphotypes recorded for the first time in Homoscleromorpha and others never before observed in other sponge groups. Illumina 16S amplicon sequencing was used to characterize this microbial community by compar...

journal_title：FEMS microbiology ecology

authors： Ruiz C,Villegas-Plazas M,Thomas OP,Junca H,Pérez T

更新日期：2020-04-01 00:00:00

abstract：:A particular fungal population is present in the main stages of the manufacturing process of cork discs. Its diversity was studied using both dependent (isolation) and independent culture methods (denaturing gel gradient electrophoresis and cloning of the ITS1-5.8S-ITS2 region). The mycobiota in the samples taken in t...

journal_title：FEMS microbiology ecology

authors： Barreto MC,Houbraken J,Samson RA,Brito D,Gadanho M,San Romão MV

更新日期：2012-10-01 00:00:00

abstract：:Investigations of the diversity of culturable yeasts at deep-sea hydrothermal sites have suggested possible interactions with endemic fauna. Samples were collected during various oceanographic cruises at the Mid-Atlantic Ridge, South Pacific Basins and East Pacific Rise. Cultures of 32 isolates, mostly associated with...

journal_title：FEMS microbiology ecology

authors： Burgaud G,Arzur D,Durand L,Cambon-Bonavita MA,Barbier G

更新日期：2010-07-01 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