A steroidal molecule present in the egg wax of the tick Rhipicephalus (Boophilus) microplus inhibits bacterial biofilms.

abstract：:This study investigated analytical parameters that are inherently relevant to identifying and quantifying fungal communities based on polymerase chain reaction amplicons. Specifically, we evaluated the accuracy of the BLASTn-based identification for internal transcribed spacer (ITS) sequences generated from pure cultu...

journal_title：Environmental microbiology

authors： Yamamoto N,Dannemiller KC,Bibby K,Peccia J

更新日期：2014-09-01 00:00:00

abstract：:Lignocellulose biodegradation, an essential step in terrestrial carbon cycling, generally involves removal of the recalcitrant lignin barrier that otherwise prevents infiltration by microbial polysaccharide hydrolases. However, fungi that cause brown rot of wood, a major route for biomass recycling in coniferous fores...

journal_title：Environmental microbiology

authors： Yelle DJ,Wei D,Ralph J,Hammel KE

更新日期：2011-04-01 00:00:00

abstract：:Proteorhodopsin (PR) is a light-driven proton pump that has been found in a variety of marine bacteria, including Pelagibacter ubique, a member of the ubiquitous SAR11 clade. The goals of this study were to explore the diversity of PR genes and to estimate their abundance in the North Atlantic Ocean using quantitative...

journal_title：Environmental microbiology

authors： Campbell BJ,Waidner LA,Cottrell MT,Kirchman DL

更新日期：2008-01-01 00:00:00

abstract：:The anaerobic oxidation of methane (AOM) is one of the major sinks for methane on earth and is known to be mediated by at least two phylogenetically different groups of anaerobic methanotrophic Archaea (ANME-I and ANME-II). We present the first comparative in vitro study of the environmental regulation and physiology ...

journal_title：Environmental microbiology

authors： Nauhaus K,Treude T,Boetius A,Krüger M

更新日期：2005-01-01 00:00:00

abstract：:To cope with life in hypersaline environments, halophilic archaeal proteins are enriched in acidic amino acids. This strategy does not, however, offer a response to transient changes in salinity, as would post-translational modifications. To test this hypothesis, N-glycosylation of the Haloferax volcanii S-layer glyco...

journal_title：Environmental microbiology

authors： Guan Z,Naparstek S,Calo D,Eichler J

更新日期：2012-03-01 00:00:00

abstract：:To determine if different algal viruses (Phycodnaviridae) share common patterns of seasonal abundance, quantitative PCR methods were developed and applied to monitor the abundances of three different viruses in Lake Ontario, Canada over 13 months. Throughout the year, the abundances of two different phycodnavirus polB...

journal_title：Environmental microbiology

authors： Short SM,Short CM

更新日期：2009-10-01 00:00:00

abstract：:In the rhizosphere, phosphorus (P) levels are low because of P uptake into the roots. Rhizobacteria live on carbon (C) exuded from roots, and may contribute to plant nutrition by liberating P from organic compounds such as phytates. We isolated over 300 phytate (Na-inositol hexa-phosphate; Na-IHP)-utilizing bacterial ...

journal_title：Environmental microbiology

authors： Unno Y,Okubo K,Wasaki J,Shinano T,Osaki M

更新日期：2005-03-01 00:00:00

abstract：:Using DNA obtained from the metagenome of an anaerobic digestor in a waste water treatment plant, we constructed a gene library cloned in the wide host-range cosmid pLAFR3. One cosmid enabled Rhizobium leguminosarum to grow on ethanol as sole carbon and energy source, this being due to the presence of a gene, termed a...

journal_title：Environmental microbiology

authors： Wexler M,Bond PL,Richardson DJ,Johnston AW

更新日期：2005-12-01 00:00:00

abstract：:Bacterial small regulatory RNAs (sRNAs) function in post-transcriptional control of gene expression and control a variety of processes including metabolic reactions, stress responses and pathogenesis in response to environmental signals. A variety of approaches have been used previously to identify 44 sRNAs in the opp...

journal_title：Environmental microbiology

authors： Gómez-Lozano M,Marvig RL,Molin S,Long KS

更新日期：2012-08-01 00:00:00

abstract：:Vibrios belonging to the Harveyi clade are pathogenic marine bacteria affecting both vertebrates and invertebrates, thereby causing a severe threat to the aquaculture industry. In this study, the expression of haemolysin, metalloprotease, serine protease, the quorum sensing master regulator LuxR and the virulence regu...

journal_title：Environmental microbiology

authors： Ruwandeepika HA,Defoirdt T,Bhowmick PP,Karunasagar I,Karunasagar I,Bossier P

更新日期：2011-02-01 00:00:00

abstract：:Alcanivorax is an alkane-degrading marine bacterium which propagates and becomes predominant in crude-oil-containing seawater when nitrogen and phosphorus nutrients are supplemented. In order to understand why Alcanivorax overcomes other bacteria under such cultural conditions, competition experiments between Alcanivo...

journal_title：Environmental microbiology

authors： Hara A,Syutsubo K,Harayama S

更新日期：2003-09-01 00:00:00

abstract：:The Black Sea is the largest anoxic water basin on Earth and its stratified water column comprises an upper oxic, middle suboxic and a lower permanently anoxic, sulfidic zone. The abundance of sulfate-reducing bacteria (SRB) in water samples was determined by quantifying the copy number of the dsrA gene coding for the...

journal_title：Environmental microbiology

authors： Neretin LN,Abed RM,Schippers A,Schubert CJ,Kohls K,Kuypers MM

更新日期：2007-12-01 00:00:00

abstract：:The biology of biofilm in deep-sea environments is barely being explored. Here, biofilms were developed at the brine pool (characterized by limited carbon sources) and the normal bottom water adjacent to Thuwal cold seeps. Comparative metagenomics based on 50 Gb datasets identified polysaccharide degradation, nitrate ...

journal_title：Environmental microbiology

authors： Zhang W,Wang Y,Bougouffa S,Tian R,Cao H,Li Y,Cai L,Wong YH,Zhang G,Zhou G,Zhang X,Bajic VB,Al-Suwailem A,Qian PY

更新日期：2015-10-01 00:00:00

abstract：:Quorum sensing, a group behaviour coordinated by a diffusible pheromone signal and a cognate receptor, is typical of bacteria that form symbioses with plants and animals. LuxIR-type N-acyl L-homoserine (AHL) quorum sensing is common in Gram-negative Proteobacteria, and many members of this group have additional quorum...

journal_title：Environmental microbiology

authors： Studer SV,Schwartzman JA,Ho JS,Geske GD,Blackwell HE,Ruby EG

更新日期：2014-08-01 00:00:00

abstract：:Eco-physiological variation and local adaptation are key issues in microbial ecology. Here, we investigated the thermal adaptation of 19 strains of the same Spumella morphospecies (Chrysophyceae, Heterokonta). In order to test for local adaptation and the existence of specific ecotypes we analysed growth rates of thes...

journal_title：Environmental microbiology

authors： Boenigk J,Jost S,Stoeck T,Garstecki T

更新日期：2007-03-01 00:00:00

abstract：:This study presents comparative geochemical, microbiological and molecular analyses of Greenland GISP2 ice core samples representing different depths, ages, deposition climates, in situ temperatures, and gas and ionic compositions. Our goal was to determine whether specific organisms, preserved at different depths, co...

journal_title：Environmental microbiology

authors： Miteva V,Teacher C,Sowers T,Brenchley J

更新日期：2009-03-01 00:00:00

abstract：:Geothermal springs are essentially unaffected by environmental conditions aboveground as they are continuously supplied with subsurface water with little variability in chemistry. Therefore, changes in their microbial community composition and function, especially over a long period, are expected to be limited but thi...

journal_title：Environmental microbiology

authors： Meziti A,Nikouli E,Hatt JK,Konstantinidis KT,Kormas KA

更新日期：2020-12-21 00:00:00

abstract：:The characteristics that allow one Campylobacter jejuni genotype to succeed over another under the influence of bacteriophage predation have been examined in experimental broiler chickens following the observation that this succession appeared to occur in naturally colonized broiler chicken flocks. Examination of thre...

journal_title：Environmental microbiology

authors： Scott AE,Timms AR,Connerton PL,El-Shibiny A,Connerton IF

更新日期：2007-09-01 00:00:00

abstract：:An organism's metabolic activity leaves an extracellular footprint and dynamic changes in this exometabolome inform about nutrient uptake, waste disposal and signalling activities. Using non-targeted mass spectrometry, we report exometabolome dynamics of hypoxia-induced, non-replicating mycobacteria that are thought t...

journal_title：Environmental microbiology

authors： Zimmermann M,Kuehne A,Boshoff HI,Barry CE 3rd,Zamboni N,Sauer U

更新日期：2015-11-01 00:00:00

abstract：:The complex ecology of free-living amoebae (FLA) and their role in spreading pathogenic microorganisms through water systems have recently raised considerable interest. In this study, we investigated the presence of FLA and amoebae-resisting bacteria (ARB) at various stages of a drinking water plant fed with river wat...

journal_title：Environmental microbiology

authors： Thomas V,Loret JF,Jousset M,Greub G

更新日期：2008-10-01 00:00:00

abstract：:Bathycoccus and Ostreococcus are broadly distributed marine picoprasinophyte algae. We enumerated small phytoplankton using flow cytometry and qPCR assays for phylogenetically distinct Bathycoccus clades BI and BII and Ostreococcus clades OI and OII. Among 259 photic-zone samples from transects and time-series, Ostreo...

journal_title：Environmental microbiology

authors： Limardo AJ,Sudek S,Choi CJ,Poirier C,Rii YM,Blum M,Roth R,Goodenough U,Church MJ,Worden AZ

更新日期：2017-08-01 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 surface and surroundings of microalgal cells (phycosphere) are critical interaction zones but have been difficult to functionally interrogate due to methodological limitations. We examined effects of phycosphere-associated bacteria for two biofuel-relevant microalgal species (Phaeodactylum tricornutum and Nannochl...

journal_title：Environmental microbiology

authors： Samo TJ,Kimbrel JA,Nilson DJ,Pett-Ridge J,Weber PK,Mayali X

更新日期：2018-12-01 00:00:00

abstract：:Despite its environmental robustness Pseudomonas putida strain KT2440 is very sensitive to DNA damage and displays poor homologous recombination efficiencies. To gain an insight into this deficiency isogenic ∆recA and ∆lexA1 derivatives of prophage-free strain P. putida EM173 were generated and responses of the recA a...

journal_title：Environmental microbiology

authors： Akkaya Ö,Aparicio T,Pérez-Pantoja D,de Lorenzo V

更新日期：2021-01-03 00:00:00

abstract：:The pathogenic fungus Cryptococcus neoformans produces melanin within its cell wall for infection and resistance against external stresses such as exposure to UV, temperature fluctuations and reactive oxygen species. It has been reported that melanin may also protect cells from ionizing radiation damage, against which...

journal_title：Environmental microbiology

authors： Schultzhaus Z,Chen A,Kim S,Shuryak I,Chang M,Wang Z

更新日期：2019-08-01 00:00:00

abstract：:Social interactions in which bacteria respond to one another by modifying their phenotype are central determinants of microbial communities. It is known that interspecific interactions influence the biofilm phenotype of bacteria; a phenotype that is central to the fitness of bacteria. However, the underlying role of f...

journal_title：Environmental microbiology

authors： Madsen JS,Røder HL,Russel J,Sørensen H,Burmølle M,Sørensen SJ

更新日期：2016-09-01 00:00:00

abstract：:DNA-SIP (stable isotope probing) was conducted on anaerobic municipal solid waste samples incubated with (13)C-cellulose, (13)C-glucose and (13)C-acetate under mesophilic conditions. A total of 567 full-length bacterial and 448 1100-bp-length archaeal 16S rRNA gene sequences were analysed. In the clone libraries deriv...

journal_title：Environmental microbiology

authors： Li T,Mazéas L,Sghir A,Leblon G,Bouchez T

更新日期：2009-04-01 00:00:00

abstract：:The stimulation of bacteria capable of reducing soluble U(VI) to sparingly soluble U(IV) is a promising approach for containing U(VI) plumes. Anaeromyxobacter dehalogenans is capable of mediating this activity; however, its ability to couple U(VI) reduction to growth has not been established. Monitoring the increase i...

journal_title：Environmental microbiology

authors： Sanford RA,Wu Q,Sung Y,Thomas SH,Amos BK,Prince EK,Löffler FE

更新日期：2007-11-01 00:00:00

abstract：:Arctic permafrost soils store large amounts of organic matter that is sensitive to temperature increases and subsequent microbial degradation to methane (CH 4 ) and carbon dioxide (CO 2 ). Here, we studied methanogenic and methanotrophic activity and community composition in thermokarst lake sediments from Utqiag˙vik ...

journal_title：Environmental microbiology

authors： de Jong AEE,In 't Zandt MH,Meisel OH,Jetten MSM,Dean JF,Rasigraf O,Welte CU

更新日期：2018-12-01 00:00:00

abstract：:Halogenated organic compounds, also termed organohalogens, were initially considered to be of almost exclusively anthropogenic origin. However, over 5000 naturally synthesized organohalogens are known today. This has also fuelled the hypothesis that the natural and ancient origin of organohalogens could have primed de...

journal_title：Environmental microbiology

authors： Atashgahi S,Häggblom MM,Smidt H

更新日期：2018-03-01 00:00:00