Surveying biotransformations with à la carte genetic traps: translating dehydrochlorination of lindane (gamma-hexachlorocyclohexane) into lacZ-based phenotypes.

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：:The opportunistic human pathogen Acinetobacter baumannii is one of the leading causes of nosocomial infections. The high prevalence of multidrug-resistant strains, a high adaptability to changing environments and an overall pronounced stress resistance contribute to persistence and spread of the bacteria in hospitals ...

journal_title：Environmental microbiology

authors： Zeidler S,Müller V

更新日期：2020-04-01 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：:The marine bacterium Vibrio fischeri is the monospecific symbiont of the Hawaiian bobtail squid, Euprymna scolopes, and the establishment of this association involves a number of signaling pathways and transcriptional responses between both partners. We report here the first full RNA-Seq dataset representing host-asso...

journal_title：Environmental microbiology

authors： Thompson LR,Nikolakakis K,Pan S,Reed J,Knight R,Ruby EG

更新日期：2017-05-01 00:00:00

abstract：:Many bacterial pathogens rely on quorum sensing to control virulence gene expression. Based on numerous experiments conducted under well-defined conditions, quorum sensing interference is considered as a promising strategy to tackle infections and thus might have the potential to (partially) replace antibiotics. Despi...

journal_title：Environmental microbiology

authors： Liu Y,Qin Q,Defoirdt T

更新日期：2018-11-01 00:00:00

abstract：:The annual dynamics of three different ammonia-oxidizing archaea (AOA) ecotypes (amoA gene) and of the SAGMGC-1 (Nitrosotalea-like aquatic Thaumarchaeota) group (16S rRNA gene) were studied by newly designed specific primers and quantitative polymerase chain reaction analysis in a deep oligotrophic high mountain lake ...

journal_title：Environmental microbiology

authors： Restrepo-Ortiz CX,Auguet JC,Casamayor EO

更新日期：2014-03-01 00:00:00

abstract：:We reconstructed the complete 2.4 Mb-long genome of a previously uncultivated epsilonproteobacterium, Candidatus Sulfuricurvum sp. RIFRC-1, via assembly of short-read shotgun metagenomic data using a complexity reduction approach. Genome-based comparisons indicate the bacterium is a novel species within the Sulfuricur...

journal_title：Environmental microbiology

authors： Handley KM,Bartels D,O'Loughlin EJ,Williams KH,Trimble WL,Skinner K,Gilbert JA,Desai N,Glass EM,Paczian T,Wilke A,Antonopoulos D,Kemner KM,Meyer F

更新日期：2014-11-01 00:00:00

abstract：:As microbiologists we live in exciting times. A variety of technical and conceptual developments, particularly in the last decade have revolutionized the field of microbiology, redrawing the landscape, and entirely redefining what is possible. Perhaps this paradigm shift is no more apparent than in the study of vibrio...

journal_title：Environmental microbiology

authors： Baker-Austin C,Trinanes J,Martinez-Urtaza J

更新日期：2020-10-01 00:00:00

abstract：:Rab GTPases are required for vesicle-vacuolar fusion during vacuolar biogenesis in fungi. To date, little is known about the biological functions of the Rab small GTPase components in Magnaporthe oryzae. In this study, we investigated MoYpt7 of M. oryzae, a homologue of the small Ras-like GTPase Ypt7 in Saccharomyces ...

journal_title：Environmental microbiology

authors： Liu XH,Chen SM,Gao HM,Ning GA,Shi HB,Wang Y,Dong B,Qi YY,Zhang DM,Lu GD,Wang ZH,Zhou J,Lin FC

更新日期：2015-11-01 00:00:00

abstract：:The interactions of Vibrio aestuarianus 01/032 with haemolymph of the bivalves Mytilus galloprovincialis and Crassostrea gigas were investigated to understand if haemolymph components (haemocytes and soluble factors) could be involved in the higher resistance to microbial infection shown by mussels in comparison with ...

journal_title：Environmental microbiology

authors： Pezzati E,Canesi L,Damonte G,Salis A,Marsano F,Grande C,Vezzulli L,Pruzzo C

更新日期：2015-11-01 00:00:00

abstract：:We investigated to what extent a European songbird (Parus major) selectively transmits and amplifies Borrelia burgdorferi s.l. bacteria. Borrelia-naïve birds were recurrently exposed to Ixodes ricinus nymphs carrying a community of more than 34 5S-23S genotypes belonging to five genospecies (Borrelia garinii, Borrelia...

journal_title：Environmental microbiology

authors： Heylen D,Matthysen E,Fonville M,Sprong H

更新日期：2014-09-01 00:00:00

abstract：:Marine myoviruses (i.e. bacteriophages with a contractile tail sheath) are numerically abundant and genetically diverse. We developed a terminal restriction fragment length polymorphism assay (TRFLP) for g23, the conserved gene encoding the major capsid protein, to investigate T4-like myovirus communities at USC's Mic...

journal_title：Environmental microbiology

authors： Chow CE,Fuhrman JA

更新日期：2012-08-01 00:00:00

abstract：:Molecular approaches have revealed considerable diversity and uncultured novelty in natural prokaryotic populations, but not direct links between the new genotypes detected and ecosystem processes. Here we describe the influence of the structure of communities of ammonia-oxidizing bacteria on nitrogen cycling in micro...

journal_title：Environmental microbiology

authors： Webster G,Embley TM,Freitag TE,Smith Z,Prosser JI

更新日期：2005-05-01 00:00:00

abstract：:Our lower gastrointestinal tract plays host to a vast consortium of microbes, known as the human gut microbiota (HGM). The HGM thrives on a complex and diverse range of glycan structures from both dietary and host sources, the breakdown of which requires the concerted action of cohorts of carbohydrate-active enzymes (...

journal_title：Environmental microbiology

authors： Briggs JA,Grondin JM,Brumer H

更新日期：2021-01-01 00:00:00

abstract：:Gcn5 is a core histone acetyltransferase that catalyzes histone H3 acetylation on N-terminal lysine residues in yeasts and was reported to catalyze H3K9/K14 acetylation required for activating asexual development in Aspergillus. Here, we report a localization of Gcn5 ortholog in the nucleus and cytoplasm of Beauveria ...

journal_title：Environmental microbiology

authors： Cai Q,Wang JJ,Fu B,Ying SH,Feng MG

更新日期：2018-04-01 00:00:00

abstract：:The ascidian Cystodytes dellechiajei (Della Valle, 1877) (phylum Chordata, class Ascidiacea, family Polycitoridae) is a colonial tunicate that inhabits benthic rock environments in the Atlantic, Pacific and Indian Oceans, as well as the Mediterranean Sea. Its life cycle has two phases, the adult sessile colony and the...

journal_title：Environmental microbiology

authors： Martínez-García M,Díaz-Valdés M,Wanner G,Ramos-Esplá A,Antón J

更新日期：2007-02-01 00:00:00

abstract：:Toluene is a model compound used to study the anaerobic biotransformation of aromatic hydrocarbons. Reports indicate that toluene is transformed via fumarate addition to form benzylsuccinate or by unknown mechanisms to form hydroxylated intermediates under methanogenic conditions. We investigated the mechanism(s) of s...

journal_title：Environmental microbiology

authors： Fowler SJ,Dong X,Sensen CW,Suflita JM,Gieg LM

更新日期：2012-03-01 00:00:00

abstract：:Hopanoids are bacterial surrogates of eukaryotic membrane sterols and among earth's most abundant natural products. Their molecular fossils remain in sediments spanning more than a billion years. However, hopanoid metabolism and function are not fully understood. Burkholderia species are environmental opportunistic pa...

journal_title：Environmental microbiology

authors： Schmerk CL,Welander PV,Hamad MA,Bain KL,Bernards MA,Summons RE,Valvano MA

更新日期：2015-03-01 00:00:00

abstract：:Cyanobacteria of the genus Synechococcus are major contributors to global primary productivity and are found in a wide range of aquatic ecosystems. This Synechococcus collective (SC) is metabolically diverse, with some lineages thriving in polar and nutrient-rich locations and others in tropical or riverine waters. Al...

journal_title：Environmental microbiology

authors： Salazar VW,Tschoeke DA,Swings J,Cosenza CA,Mattoso M,Thompson CC,Thompson FL

更新日期：2020-11-01 00:00:00

abstract：:Methyl-coenzyme M reductase (MCR) has been originally identified to catalyse the final step of the methanogenesis pathway. About 20 years ago anaerobic methane-oxidizing archaea (ANME) were discovered that use MCR enzymes to activate methane. ANME thrive at the thermodynamic limit of life, are slow-growing, and in mos...

journal_title：Environmental microbiology

authors： Wang Y,Wegener G,Ruff SE,Wang F

更新日期：2020-05-04 00:00:00

abstract：:Serpentinization is the hydration and oxidation of ultramafic rock, which occurs as oceanic lithosphere is emplaced onto continental margins (ophiolites), and along the seafloor as faulting exposes this mantle-derived material to circulating hydrothermal fluids. This process leads to distinctive fluid chemistries as m...

journal_title：Environmental microbiology

authors： Sabuda MC,Brazelton WJ,Putman LI,McCollom TM,Hoehler TM,Kubo MDY,Cardace D,Schrenk MO

更新日期：2020-06-01 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：: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：:Cyanobacteria are important primary producers in many marine ecosystems and their abundances and growth rates depend on their ability to assimilate various nitrogen sources. To examine the diversity of nitrate-utilizing marine cyanobacteria, we developed PCR primers specific for cyanobacterial assimilatory nitrate red...

journal_title：Environmental microbiology

authors： Jenkins BD,Zehr JP,Gibson A,Campbell L

更新日期：2006-12-01 00:00:00

abstract：:Deep-sea ecosystems, such as cold seeps and hydrothermal vents, have high biomass, even though they are located in the benthic zone, where no sunlight is present to provide energy for organism proliferation. Based on the coexistence of the reduced gases and chemoautotrophic microbes, it is inferred that the energy fro...

journal_title：Environmental microbiology

authors： Sun X,Yang J,Zheng M,Zhang X

更新日期：2020-12-07 00:00:00

abstract：:Methylmenaquinol : fumarate reductase (Mfr) is a newly recognized type of fumarate reductase present in some epsilon-proteobacteria, where the active site subunit (MfrA) is localized in the periplasm, but for which a physiological role has not been identified. We show that the Campylobacter jejuni mfrABE operon is tra...

journal_title：Environmental microbiology

authors： Guccione E,Hitchcock A,Hall SJ,Mulholland F,Shearer N,van Vliet AH,Kelly DJ

更新日期：2010-03-01 00:00:00

abstract：:Previous studies have shown that the rate of settlement of zoospores of the green alga Enteromorpha is stimulated by mixed microbial biofilms and that the number of zoospores settling is positively correlated with the number of bacteria in the biofilm. In the present study the specificity of this relationship has been...

journal_title：Environmental microbiology

authors： Patel P,Callow ME,Joint I,Callow JA

更新日期：2003-05-01 00:00:00

abstract：:Thermus thermophilus HB27 is well known for its extraordinary trait of high frequencies of natural transformation, which is considered a major mechanism of horizontal gene transfer. We show that the DNA translocator of T. thermophilus binds and transports DNA from members of all three domains. These results, together ...

journal_title：Environmental microbiology

authors： Schwarzenlander C,Haase W,Averhoff B

更新日期：2009-04-01 00:00:00

abstract：:The anterior nares are an important reservoir for opportunistic pathogens and commensal microorganisms. A barcoded Illumina paired-end sequencing method targeting the 16S ribosomal RNA V1-2 hypervariable region was developed to compare the bacterial diversity of the anterior nares across distinct human populations (vo...

journal_title：Environmental microbiology

authors： Camarinha-Silva A,Jáuregui R,Chaves-Moreno D,Oxley AP,Schaumburg F,Becker K,Wos-Oxley ML,Pieper DH

更新日期：2014-09-01 00:00:00

abstract：:Nitrogen is frequently limiting microbial growth in the environment. As a response, many filamentous cyanobacteria differentiate heterocysts, cells devoted to N2 fixation. Heterocyst differentiation is under the control of the master regulator HetR. Through the characterization of the HetR-dependent transcriptome in N...

journal_title：Environmental microbiology

authors： Brenes-Álvarez M,Mitschke J,Olmedo-Verd E,Georg J,Hess WR,Vioque A,Muro-Pastor AM

更新日期：2019-07-01 00:00:00