Isotope analysis as a natural reaction probe to determine mechanisms of biodegradation of 1,2-dichloroethane.

abstract：:Reactive oxygen species (ROS) induce the synthesis of a myriad of secondary metabolites, including aflatoxins. It raises significant concern as it is a potent environmental contaminant. In Aspergillus flavus., antioxidant enzymes link ROS stress response with coordinated gene regulation of aflatoxin biosynthesis. In t...

journal_title：Environmental microbiology

authors： Zhu Z,Yang M,Bai Y,Ge F,Wang S

更新日期：2020-07-01 00:00:00

abstract：:Resistance Nodulation cell Division (RND) efflux pumps are known to contribute to the tolerance of Pseudomonas putida to aromatic hydrocarbons, but their role in antibiotic resistance has not been fully elucidated. In this study, two types of single-step multidrug-resistant (MDR) mutants were selected in vitro from re...

journal_title：Environmental microbiology

authors： Puja H,Comment G,Chassagne S,Plésiat P,Jeannot K

更新日期：2020-12-01 00:00:00

abstract：:Microbial communities in natural ecosystems are subject to strong ecological rules. The study of local communities along a regional metacommunity can reveal patterns of community assembly, and disentangle the underlying ecological processes. In particular, we seek drivers of community assembly at the regional scale us...

journal_title：Environmental microbiology

authors： Ortiz-Álvarez R,Cáliz J,Camarero L,Casamayor EO

更新日期：2020-01-01 00:00:00

abstract：:Thielaviopsis basicola, a soil-borne pathogen with a broad host range and a cosmopolitan distribution, is emerging as a major risk to sustainable cotton production in Australia. Previous studies suggested that host specialization has occurred making T. basicola an ideal model for a comparative proteomic analysis of st...

journal_title：Environmental microbiology

authors： Coumans JV,Harvey J,Backhouse D,Poljak A,Raftery MJ,Nehl D,Katz ME,Pereg L

更新日期：2011-03-01 00:00:00

abstract：:Since Robert Koch and colleagues found agar to be an effective gelling agent over a century ago, the pure culture method using agar plates has long been a standard of microbiology. Agar is undoubtedly easy to handle and useful for culture of microorganisms, but recent discovery of the ubiquity of microorganisms that c...

journal_title：Environmental microbiology

authors： Tamaki H,Hanada S,Sekiguchi Y,Tanaka Y,Kamagata Y

更新日期：2009-07-01 00:00:00

abstract：:Bioactive amounts of antibiotics as well as resistant bacteria reach the soil through manure fertilization. We investigated plasmids that may stimulate the environmental spread and interspecies transfer of antibiotic resistance. After treatment of two soils with manure, either with or without the sulfonamide antibioti...

journal_title：Environmental microbiology

authors： Heuer H,Kopmann C,Binh CT,Top EM,Smalla K

更新日期：2009-04-01 00:00:00

abstract：:The actinomycete Amycolatopsis japonicum produces the complexing agent ethylenediamine-disuccinate ([S,S]-EDDS), which is an isomer of the widely industrially applied ethylenediamine-tetraacetate (EDTA). In contrast to EDTA, [S,S]-EDDS is readily biodegradable and is therefore an alternative with a favourable environm...

journal_title：Environmental microbiology

authors： Spohn M,Wohlleben W,Stegmann E

更新日期：2016-04-01 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：:The phylogenetic diversity of Bacteria and Archaea within a biodegraded, mesothermic petroleum reservoir in the Schrader Bluff Formation of Alaska was examined by two culture-independent methods based on fosmid and small-subunit rRNA gene PCR clone libraries. Despite the exclusion of certain groups by each method, the...

journal_title：Environmental microbiology

authors： Pham VD,Hnatow LL,Zhang S,Fallon RD,Jackson SC,Tomb JF,DeLong EF,Keeler SJ

更新日期：2009-01-01 00:00:00

abstract：:Nosema ceranae is currently one of the major pathogens of honeybees, related to the worldwide colony losses phenomenon. The genotyping of strains based on ribosomal DNA (rDNA) can be misleading if the repeated units are not identical. The analysis of cloned rDNA fragments containing the intergenic spacer (IGS) and par...

journal_title：Environmental microbiology

authors： Sagastume S,Del Águila C,Martín-Hernández R,Higes M,Henriques-Gil N

更新日期：2011-01-01 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：:Autotrophic ammonia oxidation occurs in acid soils, even though laboratory cultures of isolated ammonia oxidizing bacteria fail to grow below neutral pH. To investigate whether archaea possessing ammonia monooxygenase genes were responsible for autotrophic nitrification in acid soils, the community structure and phylo...

journal_title：Environmental microbiology

authors： Nicol GW,Leininger S,Schleper C,Prosser JI

更新日期：2008-11-01 00:00:00

abstract：:Autophagy is a conserved degradation system in eukaryotic cells that includes non-selective and selective processes. Selective autophagy functions as a selective degradation mechanism for specific substrates in which autophagy-related protein 11 (ATG11) acts as an essential scaffold protein. In B. bassiana, there is a...

journal_title：Environmental microbiology

authors： Ding JL,Peng YJ,Chu XL,Feng MG,Ying SH

更新日期：2018-09-01 00:00:00

abstract：:Campylobacter lari is a rare human pathogen most commonly associated with birds and shellfish. Little information has been published regarding its prevalence in other environments, or on its potential role as a reservoir of antibiotic resistance. In this study, we characterized 109 C. lari isolated from a range of hos...

journal_title：Environmental microbiology

authors： Leatherbarrow AJ,Griffiths R,Hart CA,Kemp R,Williams NJ,Diggle PJ,Wright EJ,Sutherst J,Houghton P,French NP

更新日期：2007-07-01 00:00:00

abstract：:The distribution of nitrifying bacteria of the genera Nitrosomonas, Nitrosospira, Nitrobacter and Nitrospira was investigated in a membrane-bound biofilm system with opposed supply of oxygen and ammonium. Gradients of oxygen, pH, nitrite and nitrate were determined by means of microsensors while the nitrifying populat...

journal_title：Environmental microbiology

authors： Schramm A,De Beer D,Gieseke A,Amann R

更新日期：2000-12-01 00:00:00

abstract：:The molecular mechanisms behind the mutagenic effect of reactive oxygen species (ROS) released by defective metabolization of xenobiotic 2,4-dinitrotoluene (DNT) by a still-evolving degradation pathway were studied. To this end, the genes required for biodegradation of DNT from Burkholderia cepacia R34 were implanted ...

journal_title：Environmental microbiology

authors： Akkaya Ö,Nikel PI,Pérez-Pantoja D,de Lorenzo V

更新日期：2019-01-01 00:00:00

abstract：:Of eight laboratory cultures of marine gamma- and alpha-Proteobacteria tested, growth on glycolate as a sole carbon source was detected for only three species: Pseudomonas stutzeri, Oceanimonas doudoroffii and Roseobacter sp. isolate Y3F. Degenerate polymerase chain reaction (PCR) primers were designed to amplify glcD...

journal_title：Environmental microbiology

authors： Lau WW,Armbrust EV

更新日期：2006-10-01 00:00:00

abstract：:A meromictic lake ecosystem (Mahoney Lake, BC, Canada) was investigated to elucidate the significance of chemocline bacteria in the total carbon cycle under natural conditions. In this lake, primary production by oxygenic phototrophs was insufficient to support the observed net secondary production of the calanoid cop...

journal_title：Environmental microbiology

authors： Overmann J,Hall KJ,Northcote TG,Beatty JT

更新日期：1999-06-01 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：:When bacterial lineages make the transition from free-living to permanent association with hosts, they can undergo massive gene losses, for which the selective forces within host tissues are unknown. We identified here melanogenic clinical isolates of Pseudomonas aeruginosa with large chromosomal deletions (66 to 270 ...

journal_title：Environmental microbiology

authors： Hocquet D,Petitjean M,Rohmer L,Valot B,Kulasekara HD,Bedel E,Bertrand X,Plésiat P,Köhler T,Pantel A,Jacobs MA,Hoffman LR,Miller SI

更新日期：2016-10-01 00:00:00

abstract：:Tropical ecosystems remain poorly understood and this is particularly true for belowground soil fungi. Soil fungi may respond to plant identity when, for example, plants differentially allocate resources belowground. However, spatial and temporal heterogeneity in factors such as plant inputs, moisture, or nutrients ca...

journal_title：Environmental microbiology

authors： Kivlin SN,Hawkes CV

更新日期：2016-12-01 00:00:00

abstract：:Cold seeps in the Gulf of Mexico are often dominated by mussels of the genus Bathymodiolus that harbour symbiotic bacteria in their gills. In this study, we analysed symbiont diversity, abundance and metabolic potential in three mussel species from the northern Gulf of Mexico: Bathymodiolus heckerae from the West Flor...

journal_title：Environmental microbiology

authors： Duperron S,Sibuet M,MacGregor BJ,Kuypers MM,Fisher CR,Dubilier N

更新日期：2007-06-01 00:00:00

abstract：:There are a multitude of resistance strategies that microbes can apply to avoid inhibition by antimicrobials. One of these strategies is the enzymatic modification of the antibiotic, in a process generally termed inactivation. Furthermore, some microorganisms may not be limited to the mere inactivation of the antimicr...

journal_title：Environmental microbiology

authors： Perri R,Kolvenbach BA,Corvini PFX

更新日期：2020-07-01 00:00:00

abstract：:Methanol derived from plant tissue is ubiquitous in anaerobic sediments and a good substrate for anaerobes growing on C1 compounds such as methanogens and acetogens. In contrast to methanogens little is known about the physiology, biochemistry and bioenergetics of methanol utilization in acetogenic bacteria. To fill t...

journal_title：Environmental microbiology

authors： Kremp F,Poehlein A,Daniel R,Müller V

更新日期：2018-12-01 00:00:00

abstract：:The mechanisms that allow psychrophilic bacteria to remain metabolically active at subzero temperatures result from form and function of their proteins. We present first proteomic evidence of physiological changes of the marine psychrophile Colwellia psychrerythraea 34H (Cp34H) after exposure to subzero temperatures (...

journal_title：Environmental microbiology

authors： Nunn BL,Slattery KV,Cameron KA,Timmins-Schiffman E,Junge K

更新日期：2015-07-01 00:00:00

abstract：:The effect of environmental conditions, especially ammonium concentration, on community composition and nitrification activity of nitrifying bacterial biofilms in a pilot wastewater treatment plant was examined. A decreasing ammonium gradient was created when four aerated tanks with suspended carrier material were ser...

journal_title：Environmental microbiology

authors： Lydmark P,Almstrand R,Samuelsson K,Mattsson A,Sörensson F,Lindgren PE,Hermansson M

更新日期：2007-09-01 00:00:00

abstract：:Raphidiopsis raciborskii is an invasive bloom-forming cyanobacteria with the flexibility to utilize atmospheric and fixed nitrogen. Since nitrogen-fixation has a high requirement for iron as an ezyme cofactor, we hypothesize that iron availability would determine the success of the species under nitrogen-fixing condit...

journal_title：Environmental microbiology

authors： D'Agostino PM,Yeung ACY,Poljak A,David Waite T,Neilan BA

更新日期：2021-01-01 00:00:00

abstract：:More effective control of membrane biofouling in membrane bioreactors (MBRs) lies in the fundamental understanding of the pioneer microorganisms responsible for surface colonization that leads to biofilm formation. In this study, the composition of the planktonic and sessile microbial communities inhabiting four labor...

journal_title：Environmental microbiology

authors： Zhang K,Choi H,Dionysiou DD,Sorial GA,Oerther DB

更新日期：2006-03-01 00:00:00

abstract：:Diverse methylotrophic bacteria were isolated from the tongue, and supra- and subgingival plaque in the mouths of volunteers and patients with periodontitis. One-carbon compounds such as dimethylsulfide in the mouth are likely to be used as growth substrates for these organisms. Methylotrophic strains of Bacillus, Bre...

journal_title：Environmental microbiology

authors： Anesti V,McDonald IR,Ramaswamy M,Wade WG,Kelly DP,Wood AP

更新日期：2005-08-01 00:00:00

abstract：:The well-known role of antibiotics in killing sensitive organisms has been challenged by the effects they exert at subinhibitory concentrations. Unfortunately, there are very few published reports on the advantages these molecules may confer to their producers. This study describes the construction of a genetically ve...

journal_title：Environmental microbiology

authors： Prajapati D,Kumari N,Dave K,Chatupale V,Pohnerkar J

更新日期：2019-02-01 00:00:00