Expression and regulation of the mer operon in Thermus thermophilus.

abstract：:The number of icebergs produced from ice-shelf disintegration has increased over the past decade in Antarctica. These drifting icebergs mix the water column, influence stratification and nutrient condition, and can affect local productivity and food web composition. Data on whether icebergs affect bacterioplankton fun...

journal_title：Environmental microbiology

authors： Dinasquet J,Richert I,Logares R,Yager P,Bertilsson S,Riemann L

更新日期：2017-06-01 00:00:00

abstract：:We compared the composition of eukaryotic communities using two genetic markers (18S rRNA V4 and V9 regions) at 27 sites sampled during Ocean Sampling Day 2014, with a focus on photosynthetic groups and, more specifically green algae (Chlorophyta). Globally, the V4 and V9 regions of the 18S rRNA gene provided similar ...

journal_title：Environmental microbiology

authors： Tragin M,Zingone A,Vaulot D

更新日期：2018-02-01 00:00:00

abstract：:Thin, vertically structured topsoil communities that become ecologically important in arid regions (biological soil crusts or BSCs) are responsible for much of the nitrogen inputs into pristine arid lands. We studied N(2) fixation and ammonium oxidation (AO) at subcentimetre resolution within BSCs from the Colorado Pl...

journal_title：Environmental microbiology

authors： Johnson SL,Budinoff CR,Belnap J,Garcia-Pichel F

更新日期：2005-01-01 00:00:00

abstract：:pH-responsive transcription factor of the PacC/Rim101 family governs adaptation to environment, development and virulence in many fungal pathogens. In this study, we report the functions of a PacC homologue, MrpacC, in an insect pathogenic fungus Metarhizium robertsii. The gene was highly transcribed in the fungus in ...

journal_title：Environmental microbiology

authors： Huang W,Shang Y,Chen P,Gao Q,Wang C

更新日期：2015-04-01 00:00:00

abstract：:Although plants introduced for site restoration are pre-selected for specific traits (e.g. trace element bioaccumulation, rapid growth in poor soils), the in situ success of these plants likely depends on the recruitment of appropriate rhizosphere microorganisms from their new environment. We introduced three willow (...

journal_title：Environmental microbiology

authors： Bell TH,Cloutier-Hurteau B,Al-Otaibi F,Turmel MC,Yergeau E,Courchesne F,St-Arnaud M

更新日期：2015-08-01 00:00:00

abstract：:Although Escherichia coli is an important model organism for bacterial research, few studies have explored the nature of temporal variation in E. coli strains within the intestinal tracts of host individuals. In this study the E. coli strains of 54 mountain brushtail possums were sampled on four occasions during a yea...

journal_title：Environmental microbiology

authors： Blyton MD,Banks SC,Peakall R,Gordon DM

更新日期：2013-08-01 00:00:00

abstract：:The distribution of respiratory quinone electron carriers among cultivated organisms provides clues on both the taxonomy of their producers and the redox processes these are mediating. Our study of the quinone inventories of 25 archaeal species belonging to the phyla Eury-, Cren- and Thaumarchaeota facilitates their u...

journal_title：Environmental microbiology

authors： Elling FJ,Becker KW,Könneke M,Schröder JM,Kellermann MY,Thomm M,Hinrichs KU

更新日期：2016-02-01 00:00:00

abstract：:The functioning of natural microbial ecosystems is influenced by various biotic and abiotic conditions. The careful experimental manipulation of environmental conditions can drive microbial ecosystems toward exhibiting desirable types of functionality. Such manipulations can be systematically approached by viewing the...

journal_title：Environmental microbiology

authors： Vandecasteele FP,Crawford RL,Hess TF

更新日期：2008-07-01 00:00:00

abstract：:The hair-like cell appendages denoted as type IV pili are crucial for biofilm formation in diverse eubacteria. The protein complex responsible for type IV pilus assembly is homologous with the type II protein secretion complex. In the cyanobacterium Synechococcus elongatus PCC 7942, the gene Synpcc7942_2071 encodes an...

journal_title：Environmental microbiology

authors： Nagar E,Zilberman S,Sendersky E,Simkovsky R,Shimoni E,Gershtein D,Herzberg M,Golden SS,Schwarz R

更新日期：2017-07-01 00:00:00

abstract：:Nitrous oxide (N(2)O) emission from soils is a major contributor to the atmospheric loading of this potent greenhouse gas. It is thought that autotrophic ammonia oxidizing bacteria (AOB) are a significant source of soil-derived N(2)O and a denitrification pathway (i.e. reduction of NO(2) (-) to NO and N(2)O), so-calle...

journal_title：Environmental microbiology

authors： Shaw LJ,Nicol GW,Smith Z,Fear J,Prosser JI,Baggs EM

更新日期：2006-02-01 00:00:00

abstract：:In order to elucidate the main predictors of Vibrio cholerae dynamics and to estimate the risk of Vibrio cholera-related diseases, a recently developed direct detection approach based on fluorescence in situ hybridization and solid-phase cytometry (CARD-FISH/SPC) was applied in comparison to cultivation for water samp...

journal_title：Environmental microbiology

authors： Schauer S,Jakwerth S,Bliem R,Baudart J,Lebaron P,Huhulescu S,Kundi M,Herzig A,Farnleitner AH,Sommer R,Kirschner A

更新日期：2015-11-01 00:00:00

abstract：:We present two genomes of widespread freshwater picocyanobacteria isolated by extinction dilution from a Spanish oligotrophic reservoir. Based on microscopy and genomic properties, both picocyanobacteria were tentatively designated Synechococcus lacustris Tous, formerly described as a metagenome assembled genome (MAG)...

journal_title：Environmental microbiology

authors： Cabello-Yeves PJ,Picazo A,Camacho A,Callieri C,Rosselli R,Roda-Garcia JJ,Coutinho FH,Rodriguez-Valera F

更新日期：2018-10-01 00:00:00

abstract：:1,2-Dichloroethane (1,2-DCA), a chlorinated aliphatic hydrocarbon, is a well-known groundwater contaminant. In this study, fractionation of stable carbon isotope values of 1,2-DCA during biodegradation was used as a novel reaction probe to provide information about the mechanism of 1,2-DCA biodegradation under both ae...

journal_title：Environmental microbiology

authors： Hirschorn SK,Dinglasan-Panlilio MJ,Edwards EA,Lacrampe-Couloume G,Sherwood Lollar B

更新日期：2007-07-01 00:00:00

abstract：:Ikaite tufa columns from the Ikka Fjord in south-western Greenland constitute a natural, stable environment at low temperature and with a pH ranging from neutral at the exterior to very alkaline (pH 10.4) at the interior of the column. Phylogenetic analysis of culturable organisms revealed ten different isolates repre...

journal_title：Environmental microbiology

authors： Stougaard P,Jørgensen F,Johnsen MG,Hansen OC

更新日期：2002-08-01 00:00:00

abstract：:Antibiotics have been proposed as supplements in re-feeding programmes for malnourished children. A review of paediatric literature showed that growth promotion by antibiotics, when it was observed, was mostly mediated by its anti-infective properties. Despite the widespread use of antibiotics as growth promoters in a...

journal_title：Environmental microbiology

authors： Brüssow H

更新日期：2015-07-01 00:00:00

abstract：:Methylotrophy is a metabolic capability possessed by microorganisms that allows them to build biomass and to obtain energy from organic substrates containing no carbon-carbon bonds (C1 compounds, such as methane, methanol, etc.). This phenomenon in microbial physiology has been a subject of study for over 100 years, e...

journal_title：Environmental microbiology

authors： Chistoserdova L

更新日期：2011-10-01 00:00:00

abstract：:Major concern in the Mixed Crop-Livestock (MCL) farms, in which livestock and vegetables grown closely in the same facility, is cross-contamination of zoonotic bacterial pathogens especially Salmonella. To investigate the distribution of Salmonella serovars in MCL and their products, a total of 1287 pre-harvest sample...

journal_title：Environmental microbiology

authors： Peng M,Salaheen S,Almario JA,Tesfaye B,Buchanan R,Biswas D

更新日期：2016-05-01 00:00:00

abstract：:The stratified water column of the Black Sea produces a vertical succession of redox zones, stimulating microbial activity at the interfaces. Our study of intact polar membrane lipids (IPLs) in suspended particulate matter and sediments highlights their potential as biomarkers for assessing the taxonomic composition o...

journal_title：Environmental microbiology

authors： Schubotz F,Wakeham SG,Lipp JS,Fredricks HF,Hinrichs KU

更新日期：2009-10-01 00:00:00

abstract：:Tropical aquatic legumes of the genus Aeschynomene are unique in that they can be stem-nodulated by photosynthetic bradyrhizobia. Moreover, a recent study demonstrated that two Aeschynomene indica symbionts lack canonical nod genes, thereby raising questions about the distribution of such atypical symbioses among rhiz...

journal_title：Environmental microbiology

authors： Miché L,Moulin L,Chaintreuil C,Contreras-Jimenez JL,Munive-Hernández JA,Del Carmen Villegas-Hernandez M,Crozier F,Béna G

更新日期：2010-08-01 00:00:00

abstract：:Ammonia-oxidizing bacteria (AOB) have long been considered key to the removal of nitrogen in activated sludge bioreactors. Culture-independent molecular analyses have established that AOB lineages in bioreactors are dynamic, but the underlying operational or environmental factors are unclear. Furthermore, the contribu...

journal_title：Environmental microbiology

authors： Wells GF,Park HD,Yeung CH,Eggleston B,Francis CA,Criddle CS

更新日期：2009-09-01 00:00:00

abstract：:We report here a molecular survey based on 16S rRNA genes of the bacterial diversity found in two deep-sea vent niches at the Mid-Atlantic Ridge: hydrothermal sediment (Rainbow site), and microcolonizers made of three different substrates (organic-rich, iron-rich and pumice) that were exposed for 15 days to a vent emi...

journal_title：Environmental microbiology

authors： López-García P,Duperron S,Philippot P,Foriel J,Susini J,Moreira D

更新日期：2003-10-01 00:00:00

abstract：:When grown as a biofilm in laboratory flow chambers Pseudomonas aeruginosa can develop mushroom-shaped multicellular structures consisting of distinct subpopulations in the cap and stalk portions. We have previously presented evidence that formation of the cap portion of the mushroom-shaped structures in P. aeruginosa...

journal_title：Environmental microbiology

authors： Barken KB,Pamp SJ,Yang L,Gjermansen M,Bertrand JJ,Klausen M,Givskov M,Whitchurch CB,Engel JN,Tolker-Nielsen T

更新日期：2008-09-01 00:00:00

abstract：:Two cellulose-fermenting methanogenic enrichment cultures originating from rice soil, one at 15 degrees C with Methanosaeta and the other at 30 degrees C with Methanosarcina as the dominant acetoclastic methanogen, both degraded cellulose anaerobically via propionate, acetate and H2 to CH4. The degradation was a two-s...

journal_title：Environmental microbiology

authors： Wu XL,Conrad R

更新日期：2001-06-01 00:00:00

abstract：:Toxin-antitoxin (TA) systems are small genetic modules usually consisting of two elements-a toxin and an antitoxin. The abundance of TA systems among various bacterial strains may indicate an important evolutionary role. Pseudomonas aeruginosa, which can be found in a variety of niches in nature, is an opportunistic p...

journal_title：Environmental microbiology

authors： Zander I,Shmidov E,Roth S,Ben-David Y,Shoval I,Shoshani S,Danielli A,Banin E

更新日期：2020-12-01 00:00:00

abstract：:Bacterial assemblages in coastal pelagic environments are exposed to pronounced temporal and spatial fluctuations in the availability of monomeric substrates. Little is known about the response of particular bacterial groups to such variability. We studied glucose incorporation at various concentrations (0.1-100 nM) b...

journal_title：Environmental microbiology

authors： Alonso C,Pernthaler J

更新日期：2006-11-01 00:00:00

abstract：:Certain filamentous cyanobacteria, including Aphanizomenon ovalisporum, are potentially toxic owing to the formation of the hepatotoxin cylindrospermopsin. We previously identified a gene cluster in A. ovalisporum likely to be involved in cylindrospermopsin biosynthesis, including amidinotransferase (aoaA) and polyket...

journal_title：Environmental microbiology

authors： Shalev-Malul G,Lieman-Hurwitz J,Viner-Mozzini Y,Sukenik A,Gaathon A,Lebendiker M,Kaplan A

更新日期：2008-04-01 00:00:00

abstract：:As faecal contamination of recreational and drinking water impairs the water quality and threatens public health, water bodies are routinely monitored for faecal coliforms to detect contamination. However, faecal coliforms are facultative anaerobes that survive and reproduce in ambient waters, and their presence does ...

journal_title：Environmental microbiology

authors： Hong PY,Wu JH,Liu WT

更新日期：2009-07-01 00:00:00

abstract：:Within-lake horizontal heterogeneity of bacterioplankton community composition (BCC) was investigated in the large and shallow subtropical Taihu Lake (2338 km(2), maximum depth < 3 m). Samples were collected at 17 sites along a trophic gradient ranging from mesotrophic to hypertrophic areas in August and September 200...

journal_title：Environmental microbiology

authors： Wu QL,Zwart G,Wu J,Kamst-van Agterveld MP,Liu S,Hahn MW

更新日期：2007-11-01 00:00:00

abstract：:Technologies for massively parallel sequencing are revolutionizing microbial ecology and are vastly increasing the scale of ribosomal RNA (rRNA) gene studies. Although pyrosequencing has increased the breadth and depth of possible rRNA gene sampling, one drawback is that the number of reads obtained per sample is diff...

journal_title：Environmental microbiology

authors： Gihring TM,Green SJ,Schadt CW

更新日期：2012-02-01 00:00:00

abstract：:Reef-building corals are comprised of close associations between the coral animal, symbiotic zooxanthellae, and a diversity of associated microbes (including Bacteria, Archaea and Fungi). Together, these comprise the coral holobiont - a paradigm that emphasizes the potential contributions of each component to the over...

journal_title：Environmental microbiology

authors： Rypien KL,Ward JR,Azam F

更新日期：2010-01-01 00:00:00