Pseudomonas aeruginosa O-antigen chain length is determined before ligation to lipid A core.

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

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：:Filamentous sulphide-oxidizing Beggiatoa spp. often occur in large numbers in the coastal seabed without forming visible mats on the sediment surface. We studied the diversity, population structure and the nitrate-storing capability of such bacteria in the Danish Limfjorden and the German Wadden Sea. Their distributio...

journal_title：Environmental microbiology

authors： Mussmann M,Schulz HN,Strotmann B,Kjaer T,Nielsen LP,Rosselló-Mora RA,Amann RI,Jørgensen BB

更新日期：2003-06-01 00:00:00

abstract：:A macroarray system was developed to screen environmental samples for the presence of specific tetracycline (Tc(R)) and erythromycin (erm(R)) resistance genes. The macroarray was loaded with polymerase chain reaction (PCR) amplicons of 23 Tc(R) genes and 10 erm(R) genes. Total bacterial genomic DNA was extracted from ...

journal_title：Environmental microbiology

authors： Patterson AJ,Colangeli R,Spigaglia P,Scott KP

更新日期：2007-03-01 00:00:00

abstract：:Paclele Mici is a terrestrial mud volcano field located in the Carpathian Mountains (Romania), where thermal alteration of sedimentary organic compounds leads to methane, higher hydrocarbons and other petroleum compounds that are continuously released into the environment. The hydrocarbons represent potential substrat...

journal_title：Environmental microbiology

authors： Alain K,Holler T,Musat F,Elvert M,Treude T,Krüger M

更新日期：2006-04-01 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：:Until now anaerobic oxidation of VFA at high salt-pH has been demonstrated only at sulfate-reducing conditions. Here, we present results of a microbiological investigation of anaerobic conversion of organic acids and alcohols at methanogenic conditions by syntrophic associations enriched from hypersaline soda lakes in...

journal_title：Environmental microbiology

authors： Sorokin DY,Abbas B,Geleijnse M,Kolganova TV,Kleerebezem R,van Loosdrecht MC

更新日期：2016-09-01 00:00:00

abstract：:Heterocyst-forming cyanobacteria are filamentous organisms that perform oxygenic photosynthesis and CO2 fixation in vegetative cells and nitrogen fixation in heterocysts, which are formed under deprivation of combined nitrogen. These organisms can acclimate to use different sources of nitrogen and respond to different...

journal_title：Environmental microbiology

authors： Herrero A,Flores E

更新日期：2019-01-01 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：:Manganese chemistry in soils is a function of complex, competing biotic and abiotic reactions. The role of soil-borne fungi in mediating these reactions is poorly understood. The objective of this article is to document direct observation of fungal Mn oxidation in soil under near in situ conditions, and to isolate, de...

journal_title：Environmental microbiology

authors： Thompson IA,Huber DM,Guest CA,Schulze DG

更新日期：2005-09-01 00:00:00

abstract：:The Pmk1 and Mps1 MAP kinases are essential for appressorium formation and plant infection in Magnaporthe oryzae. However, their exact roles during invasive growth are not clear because pmk1 and mps1 mutants are defective in penetration. To further characterize their functions after penetration, in this study we expre...

journal_title：Environmental microbiology

authors： Zhang X,Liu W,Li Y,Li G,Xu JR

更新日期：2017-10-01 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：:The underlying mechanisms of microbial community assembly in connective coastal environments are unclear. The coastal water area of northern Zhejiang, East China Sea, is a complex marine ecosystem with multiple environmental gradients, where the distributions and determinants of bacterioplankton communities remain unc...

journal_title：Environmental microbiology

authors： Wang K,Ye X,Chen H,Zhao Q,Hu C,He J,Qian Y,Xiong J,Zhu J,Zhang D

更新日期：2015-10-01 00:00:00

abstract：:Studies assessing the effects of anthropogenic inputs on the taxonomic and functional diversity of bacterioplankton communities in lotic ecosystems are limited. Here, we applied 16S rRNA gene amplicon and whole-genome shotgun sequencing to examine the microbial diversity in samples from the Kalamas River (Northwest Gr...

journal_title：Environmental microbiology

authors： Meziti A,Tsementzi D,Ar Kormas K,Karayanni H,Konstantinidis KT

更新日期：2016-12-01 00:00:00

abstract：:There has been a growing interest in the degradation of 2,4,6-trinitrotoluene (TNT) over the last decade, ever since its removal from polluted sites was declared an international environmental priority. Certain aerobic and anaerobic microorganisms are capable of using TNT as an N source, although very few studies have...

journal_title：Environmental microbiology

authors： González-Pérez MM,van Dillewijn P,Wittich RM,Ramos JL

更新日期：2007-06-01 00:00:00

abstract：:Microbes perform many costly biological functions that benefit themselves, and may also benefit neighbouring cells. Losing the ability to perform such functions can be advantageous due to cost savings, but when they are essential for growth, organisms become dependent on ecological partners to compensate for those los...

journal_title：Environmental microbiology

authors： Estrela S,Morris JJ,Kerr B

更新日期：2016-05-01 00:00:00

abstract：:Aerotaxis of two sulphate-reducing bacteria, the freshwater strain Desulfovibrio desulfuricans CSN (DSM 9104) and the marine strain Desulfovibrio oxyclinae N13 (DSM 11498), was studied using capillary microslides, microscopy and oxygen microsensors. The bacteria formed ring-shaped bands in oxygen diffusion gradients s...

journal_title：Environmental microbiology

authors： Eschemann A,Kühl M,Cypionka H

更新日期：1999-12-01 00:00:00

abstract：:Iron(III) profiles of flooded paddy soil incubated in the greenhouse indicated oxidation of iron(II) in the upper 6 mm soil layer. Measurement of oxygen with a Clark-type microelectrode showed that oxygen was only responsible for the oxidation of iron(II) in the upper 3 mm. In the soil beneath, nitrate could be used a...

journal_title：Environmental microbiology

authors： Ratering S,Schnell S

更新日期：2001-02-01 00:00:00

abstract：:The cyclohexane derivative cis-2-(carboxymethyl)cyclohexane-1-carboxylic acid [(1R,2R)-/(1S,2S)-2-(carboxymethyl)cyclohexane-1-carboxylic acid] has previously been identified as metabolite in the pathway of anaerobic degradation of naphthalene by sulfate-reducing bacteria. We tested the corresponding CoA esters of iso...

journal_title：Environmental microbiology

authors： Weyrauch P,Zaytsev AV,Stephan S,Kocks L,Schmitz OJ,Golding BT,Meckenstock RU

更新日期：2017-07-01 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：:Temperature is an important correlate of global patterns of biodiversity, yet the mechanisms driving these relationships are not well understood. Taxa-area relationships (TARs) have been intensively examined, but the effects of temperature on TARs, particularly for microbial communities, are largely undocumented. Here...

journal_title：Environmental microbiology

authors： Deng Y,Ning D,Qin Y,Xue K,Wu L,He Z,Yin H,Liang Y,Buzzard V,Michaletz ST,Zhou J

更新日期：2018-10-01 00:00:00

abstract：:Stable isotope labelling of amino acids in cell culture (SILAC) is a quantitative proteomic method that can illuminate new pathways used by cells to adapt to different lifestyles and niches. Archaea, while thriving in extreme environments and accounting for ∼20%-40% of the Earth's biomass, have not been analyzed with ...

journal_title：Environmental microbiology

authors： McMillan LJ,Hwang S,Farah RE,Koh J,Chen S,Maupin-Furlow JA

更新日期：2018-01-01 00:00:00

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：:The fate of polychlorinated biphenyls (PCBs) in soil is driven by a combination of interacting biological processes. Several investigations have brought evidence that the rhizosphere provides a remarkable ecological niche to enhance the PCB degradation process by rhizobacteria. The bacterial oxidative enzymes involved...

journal_title：Environmental microbiology

authors： Sylvestre M

更新日期：2013-03-01 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：:Nitrogen (N) deposition affects myriad aspects of terrestrial ecosystem structure and function, and microbial communities may be particularly sensitive to anthropogenic N inputs. However, our understanding of N deposition effects on microbial communities is far from complete, especially for drylands where data are com...

journal_title：Environmental microbiology

authors： McHugh TA,Morrissey EM,Mueller RC,Gallegos-Graves V,Kuske CR,Reed SC

更新日期：2017-04-01 00:00:00

abstract：:Marine Crenarchaeota represent an abundant component of the oceanic microbiota that play an important role in the global nitrogen cycle. Here we report the association of the colonial ascidian Cystodytes dellechiajei with putative ammonia-oxidizing Crenarchaeota that could actively be involved in nitrification inside ...

journal_title：Environmental microbiology

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

更新日期：2008-11-01 00:00:00

abstract：:Xeromyces bisporus can grow on sugary substrates down to 0.61, an extremely low water activity. Its genome size is approximately 22 Mb. Gene clusters encoding for secondary metabolites were conspicuously absent; secondary metabolites were not detected experimentally. Thus, in its 'dry' but nutrient-rich environment, X...

journal_title：Environmental microbiology

authors： Leong SL,Lantz H,Pettersson OV,Frisvad JC,Thrane U,Heipieper HJ,Dijksterhuis J,Grabherr M,Pettersson M,Tellgren-Roth C,Schnürer J

更新日期：2015-02-01 00:00:00

abstract：:During adaptation to environments, bacteria employ two-component signal transduction systems, which contain histidine kinases and response regulators, to sense and respond to exogenous and cellular stimuli in an accurate spatio-temporal manner. Although the protein phosphorylation process between histidine kinase and ...

journal_title：Environmental microbiology

authors： Wang FF,Deng CY,Cai Z,Wang T,Wang L,Wang XZ,Chen XY,Fang RX,Qian W

更新日期：2014-07-01 00:00:00

abstract：:In order to study the effect of different chloroethenes (electron acceptors) on the bacterial composition of dechlorinating communities, two reductive dechlorinating enrichment cultures were developed that were able to reduce trichloroethene (TCE) and cis-1,2-dichloroethene (cis-DCE) to ethene using hydrogen as electr...

journal_title：Environmental microbiology

authors： Gu AZ,Hedlund BP,Staley JT,Strand SE,Stensel HD

更新日期：2004-01-01 00:00:00