Comparison of sterol and fatty acid profiles of chytrids and their hosts reveals trophic upgrading of nutritionally inadequate phytoplankton by fungal parasites.

abstract：:Yersinia ruckeri is the causative agent of enteric redmouth in fish and one of the major bacterial pathogens causing losses in salmonid aquaculture. Previously typing methods, including restriction enzyme analysis, pulsed-field gel electrophoresis and multilocus enzyme electrophoresis (MLEE) have indicated a clonal po...

journal_title：Environmental microbiology

authors： Bastardo A,Ravelo C,Romalde JL

更新日期：2012-08-01 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：: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：: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：:This study compared bacterial biofilm and planktonic cell susceptibility to metal toxicity by evaluating the minimum inhibitory concentration (MIC), the planktonic minimum bactericidal concentration (MBC), and minimum biofilm eradication concentration (MBEC) using the MBEC device. In total, 17 metal cations and oxyani...

journal_title：Environmental microbiology

authors： Harrison JJ,Ceri H,Stremick CA,Turner RJ

更新日期：2004-12-01 00:00:00

abstract：:The genome of the soil bacterium Pseudomonas putida KT2440 encodes singular orthologues of genes crp (encoding the catabolite repression protein, Crp) and cyaA (adenylate cyclase) of Escherichia coli. The levels of cAMP formed by P. putida cells were below detection with a Dictyostelium biosensor in vivo. The cyaA(P. ...

journal_title：Environmental microbiology

authors： Milanesio P,Arce-Rodríguez A,Muñoz A,Calles B,de Lorenzo V

更新日期：2011-02-01 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：:Biomass production for bioenergy may change soil microbes and influence ecosystem properties. To explore the impact of different bioenergy cropping systems on soil microorganisms, the compositions and quantities of soil microbial communities (16S rRNA gene) and N-cycling functional groups (nifH, bacterial amoA, archae...

journal_title：Environmental microbiology

authors： Mao Y,Yannarell AC,Davis SC,Mackie RI

更新日期：2013-03-01 00:00:00

abstract：:Besides 19 potential reductive dehalogenase genes, the genome of Dehalococcoides ethenogenes strain 195 contains over 60 genes annotated as encoding oxidoreductases, including five hydrogenase complexes and a formate dehydrogenase (Fdh). Using quantitative reverse transcriptase polymerase chain reaction, we found that...

journal_title：Environmental microbiology

authors： Morris RM,Sowell S,Barofsky D,Zinder S,Richardson R

更新日期：2006-09-01 00:00:00

abstract：:Very few marine microbial communities are well characterized even with the weight of research effort presently devoted to it. Only a small proportion of this effort has been aimed at investigating temporal community structure. Here we present the first report of the application of high-throughput pyrosequencing to inv...

journal_title：Environmental microbiology

authors： Gilbert JA,Field D,Swift P,Newbold L,Oliver A,Smyth T,Somerfield PJ,Huse S,Joint I

更新日期：2009-12-01 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：:Temperate oceans are inhabited by diverse and temporally dynamic bacterioplankton communities. However, the role of the environment, resources and phytoplankton dynamics in shaping marine bacterioplankton communities at different time scales remains poorly constrained. Here, we combined time series observations (time ...

journal_title：Environmental microbiology

authors： El-Swais H,Dunn KA,Bielawski JP,Li WK,Walsh DA

更新日期：2015-10-01 00:00:00

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：:The presence of two insertion sequences, IS406 and IS407, was tested by polymerase chain reaction (PCR) amplification in 25 strains representing 15 Burkholderia species and the close relative Ralstonia pickettii. A total of 50% of the 25 strains contained at least one of the two insertion sequences (ISs) and a statist...

journal_title：Environmental microbiology

authors： Miché L,Faure D,Blot M,Cabanne-Giuli E,Balandreau J

更新日期：2001-12-01 00:00:00

abstract：:Substrate supply and protist grazing are two of the most important forces that determine the composition and properties of bacterial assemblages. General ecological theory predicts that the relative importance of these factors is changing with the environmental productivity. In the present study, the interplay between...

journal_title：Environmental microbiology

authors： Corno G,Jürgens K

更新日期：2008-10-01 00:00:00

abstract：:Pathogenic bacteria associated with freshwater ecosystems can pose significant health risks particularly where recreational water use is popular. Common water quality assessments involve quantifying indicator Escherichia coli within the water column but neglect to consider physical and geochemical factors and contribu...

journal_title：Environmental microbiology

authors： VanMensel D,Chaganti SR,Droppo IG,Weisener CG

更新日期：2020-02-01 00:00:00

abstract：:Here we describe the application of a new click chemistry method for fluorescent tracking of protein synthesis in individual microorganisms within environmental samples. This technique, termed bioorthogonal non-canonical amino acid tagging (BONCAT), is based on the in vivo incorporation of the non-canonical amino acid...

journal_title：Environmental microbiology

authors： Hatzenpichler R,Scheller S,Tavormina PL,Babin BM,Tirrell DA,Orphan VJ

更新日期：2014-08-01 00:00:00

abstract：:The ADP ribosylation factor (Arf) and the coat protein complex I (COPI) are involved in vesicle transport. Together with GTPase-activating proteins (ArfGAPs) and guanine exchange factors (ArfGEFs) that regulate the activity of Arf, they govern vesicle formation, COPI trafficking and the maintenance of the Golgi comple...

journal_title：Environmental microbiology

authors： Zhang S,Liu X,Li L,Yu R,He J,Zhang H,Zheng X,Wang P,Zhang Z

更新日期：2017-10-01 00:00:00

abstract：:Resting spore formation of some aphid-pathogenic Entomophthorales is important for the seasonal pattern of their prevalence and survival but this process is poorly understood. To explore the possible mechanism involved in the process, Pandora nouryi (obligate aphid pathogen) interacted with green peach aphid Myzus per...

journal_title：Environmental microbiology

authors： Huang ZH,Feng MG

更新日期：2008-07-01 00:00:00

abstract：:Bacteria are sometimes neither starving nor under nutrient-excess conditions. When growing with suboptimal levels of nutrients, hungry bacteria express appropriate cellular responses. This review discusses approaches to defining the hunger response in both molecular and growth kinetic terms. The gene expression change...

journal_title：Environmental microbiology

authors： Ferenci T

更新日期：2001-10-01 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：: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：:Direct electron uptake is emerging as a key process for electron transfer in anaerobic microbial communities, both between species and from extracellular sources, such as zero-valent iron (Fe0 ) or cathodic surfaces. In this study, we investigated cathodic electron uptake by Fe0 -corroding Desulfovibrio ferrophilus IS...

journal_title：Environmental microbiology

authors： McCully AL,Spormann AM

更新日期：2020-11-01 00:00:00

abstract：:Seafloor microorganisms impact global carbon cycling by mineralizing vast quantities of organic matter (OM) from pelagic primary production, which is predicted to increase in the Arctic because of diminishing sea ice cover. We studied microbial interspecies-carbon-flow during anaerobic OM degradation in arctic marine ...

journal_title：Environmental microbiology

authors： Müller AL,Pelikan C,de Rezende JR,Wasmund K,Putz M,Glombitza C,Kjeldsen KU,Jørgensen BB,Loy A

更新日期：2018-08-01 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：:The O-antigen is a highly diverse structure expressed on the outer surface of Gram-negative bacteria. The products responsible for O-antigen synthesis are encoded in the wbe region, which exhibits extensive genetic diversity. While heterogeneous O-antigens are observed within Vibrio species, characterization of these ...

journal_title：Environmental microbiology

authors： Wildschutte H,Preheim SP,Hernandez Y,Polz MF

更新日期：2010-11-01 00:00:00

abstract：:The haemolysin from enterohaemorrhagic Escherichia coli (EHEC-Hly) and the serine protease EspPα are putative virulence factors of EHEC. We investigated the interplay between these secreted factors and demonstrate that EspPα cleaves the 107 kDa large EHEC-Hly. Degradation was observed when purified EspPα was added to ...

journal_title：Environmental microbiology

authors： Brockmeyer J,Aldick T,Soltwisch J,Zhang W,Tarr PI,Weiss A,Dreisewerd K,Müthing J,Bielaszewska M,Karch H

更新日期：2011-05-01 00:00:00

abstract：:Vibrio cholerae's capacity to cause outbreaks of cholera is linked to its survival and adaptability to changes in aquatic environments. One of the environmental conditions that can vary in V. cholerae's natural aquatic habitats is calcium (Ca(+2)). In this study, we investigated the response of V. cholerae to changes ...

journal_title：Environmental microbiology

authors： Bilecen K,Yildiz FH

更新日期：2009-08-01 00:00:00

abstract：:Food security depends on enhancing production and reducing loss to pests and pathogens. A promising alternative to agrochemicals is the use of plant growth-promoting rhizobacteria (PGPR), which are commonly associated with many, if not all, plant species. However, exploiting the benefits of PGPRs requires knowledge of...

journal_title：Environmental microbiology

authors： Alsohim AS,Taylor TB,Barrett GA,Gallie J,Zhang XX,Altamirano-Junqueira AE,Johnson LJ,Rainey PB,Jackson RW

更新日期：2014-07-01 00:00:00

abstract：:Secondary metabolites (SMs) are crucial for fungi and vary in function from beneficial antibiotics to pathogenicity factors. To generate diversified SMs that enable different functions, SM-coding regions rapidly evolve in fungal genomes. However, the driving force and genetic mechanism of fungal SM diversification in ...

journal_title：Environmental microbiology

authors： Zhong Z,Lin L,Zheng H,Bao J,Chen M,Zhang L,Tang W,Ebbole DJ,Wang Z

更新日期：2020-07-01 00:00:00