Pyomelanin-producing Pseudomonas aeruginosa selected during chronic infections have a large chromosomal deletion which confers resistance to pyocins.

abstract：:Changes in community structure and activity of the dissimilatory nitrate-reducing community were investigated across a glacier foreland in the Central Alps to gain insight into the successional pattern of this functional group and the driving environmental factors. Bulk soil and rhizosphere soil of Poa alpina was samp...

journal_title：Environmental microbiology

authors： Deiglmayr K,Philippot L,Tscherko D,Kandeler E

更新日期：2006-09-01 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：:Upon a wide range of stress conditions (e.g. nutrient, antibiotic, oxidative), a subpopulation of bacterial cells known as persisters survives by halting metabolism. These cells resuscitate rapidly to reconstitute infections once the stress is removed and nutrients are provided. However, how these dormant cells resusc...

journal_title：Environmental microbiology

authors： Song S,Wood TK

更新日期：2020-03-01 00:00:00

abstract：:Acid rain can cause severe effects on soil biota and nutrient biogeochemical cycles in the forest ecosystem, but how plant-symbiotic ectomycorrhizal fungi will modulate the effects remains unknown. Here, we conducted a full factorial field experiment in a Masson pine forest by simultaneously controlling the acidity of...

journal_title：Environmental microbiology

authors： Li Y,Chen Z,He JZ,Wang Q,Shen C,Ge Y

更新日期：2019-01-01 00:00:00

abstract：:The genetic and biochemical basis of defence mechanisms in plant pathogenic fungi against antifungal compounds produced by antagonistic microorganisms is largely unknown. The results of this study show that both degradative and non-degradative defence mechanisms enable the plant pathogenic fungus Botrytis cinerea to r...

journal_title：Environmental microbiology

authors： Schouten A,Maksimova O,Cuesta-Arenas Y,van den Berg G,Raaijmakers JM

更新日期：2008-05-01 00:00:00

abstract：:The population genomics of Pseudomonas aeruginosa was analysed by genome sequencing of representative strains of the 15 most frequent clonal complexes in the P. aeruginosa population and of the five most common clones from the environment of which so far no isolate from a human infection has been detected. Gene annota...

journal_title：Environmental microbiology

authors： Hilker R,Munder A,Klockgether J,Losada PM,Chouvarine P,Cramer N,Davenport CF,Dethlefsen S,Fischer S,Peng H,Schönfelder T,Türk O,Wiehlmann L,Wölbeling F,Gulbins E,Goesmann A,Tümmler B

更新日期：2015-01-01 00:00:00

abstract：:Over the last 15 years classical culturing and environmental PCR techniques have revealed a modest number of genuinely new major lineages of protists; however, some new groups have greatly influenced our understanding of eukaryote evolution. We used culturing techniques to examine the diversity of free-living protists...

journal_title：Environmental microbiology

authors： Kolisko M,Silberman JD,Cepicka I,Yubuki N,Takishita K,Yabuki A,Leander BS,Inouye I,Inagaki Y,Roger AJ,Simpson AG

更新日期：2010-10-01 00:00:00

abstract：:Avoparcin, a vancomycin analogue, was banned as a feed additive in Taiwan in 2000. A nationwide surveillance was conducted to study the prevalence of vancomycin-resistant enterococci (VRE) on chicken farms between 2000 and 2003. Among the 1021 E. faecalis and 967 E. faecium isolates studied, resistance to tetracycline...

journal_title：Environmental microbiology

authors： Lauderdale TL,Shiau YR,Wang HY,Lai JF,Huang IW,Chen PC,Chen HY,Lai SS,Liu YF,Ho M

更新日期：2007-03-01 00:00:00

abstract：:A common bacterial strategy for monitoring environmental challenges is to use two-component systems, which consist of a sensor histidine kinase (HK) and a response regulator (RR). In the food-borne pathogen Bacillus cereus, the alternative sigma factor sigma(B) is activated by the RR RsbY. Here we present strong indic...

journal_title：Environmental microbiology

authors： de Been M,Tempelaars MH,van Schaik W,Moezelaar R,Siezen RJ,Abee T

更新日期：2010-03-01 00:00:00

abstract：:Bioremediation of contaminated sites has been accepted as an efficient and cheaper alternative to physicochemical means of remediation in several cases. Although chemotactic behaviour of many bacteria has been studied earlier and assays have been developed to study bacterial chemotaxis in semi-solid media, this phenom...

journal_title：Environmental microbiology

authors： Paul D,Singh R,Jain RK

更新日期：2006-10-01 00:00:00

abstract：:Symbiotic associations between microbes and invertebrates have resulted in some of the most unusual physiological and morphological adaptations that have evolved in the animal world. We document a new symbiosis between marine polychaetes of the genus Osedax and members of the bacterial group Oceanospirillales, known f...

journal_title：Environmental microbiology

authors： Goffredi SK,Orphan VJ,Rouse GW,Jahnke L,Embaye T,Turk K,Lee R,Vrijenhoek RC

更新日期：2005-09-01 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：:We report here a molecular survey based on 16S rRNA genes of the bacterial diversity found in two deep-sea vent niches at the Mid-Atlantic Ridge: hydrothermal sediment (Rainbow site), and microcolonizers made of three different substrates (organic-rich, iron-rich and pumice) that were exposed for 15 days to a vent emi...

journal_title：Environmental microbiology

authors： López-García P,Duperron S,Philippot P,Foriel J,Susini J,Moreira D

更新日期：2003-10-01 00:00:00

abstract：:In response to global warming, increasing quantities of tDOM are transported through estuaries from land to the sea. In this study, we investigated microbial responses to increased tDOM concentrations in three salinity regimes (salinity: 32, 7 and 3) characteristic of the Baltic Sea. Mesocosm experiments performed in ...

journal_title：Environmental microbiology

authors： Herlemann DPR,Manecki M,Dittmar T,Jürgens K

更新日期：2017-08-01 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：: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 activated sludge process relies on the formation of strong microbial flocs. The knowledge about dominant floc-forming bacteria is at present very limited, especially from a phylogenetic perspective. In this study, numerous microcolonies in the activated sludge flocs were found to be targeted by a Betaproteobacteri...

journal_title：Environmental microbiology

authors： Thomsen TR,Nielsen JL,Ramsing NB,Nielsen PH

更新日期：2004-05-01 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：: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

abstract：:A laboratory scale sequencing batch reactor (SBR) operating for enhanced biological phosphorus removal (EBPR) and fed with a mixture of volatile fatty acids (VFAs) showed stable and efficient EBPR capacity over a four-year-period. Phosphorus (P), poly-beta-hydroxyalkanoate (PHA) and glycogen cycling consistent with cl...

journal_title：Environmental microbiology

authors： Levantesi C,Serafim LS,Crocetti GR,Lemos PC,Rossetti S,Blackall LL,Reis MA,Tandoi V

更新日期：2002-10-01 00:00:00

abstract：:Ecteinascidin 743 (ET-743, Yondelis) is a clinically approved chemotherapeutic natural product isolated from the Caribbean mangrove tunicate Ecteinascidia turbinata. Researchers have long suspected that a microorganism may be the true producer of the anticancer drug, but its genome has remained elusive due to our inab...

journal_title：Environmental microbiology

authors： Schofield MM,Jain S,Porat D,Dick GJ,Sherman DH

更新日期：2015-10-01 00:00:00

abstract：:Anaerobic bacteria reductively dechlorinate polychlorinated biphenyls (PCBs) in aquatic sediments, but these microorganisms remain uncultured and, until now, unidentified. Through denaturing gradient gel electrophoresis (DGGE) of 16S rDNA from a highly enriched ortho-PCB dechlorinating culture, the growth of a single ...

journal_title：Environmental microbiology

authors： Cutter LA,Watts JE,Sowers KR,May HD

更新日期：2001-11-01 00:00:00

abstract：:The catalase family of Beauveria bassiana (fungal entomopathogen) consists of catA (spore-specific), catB (secreted), catP (peroxisomal), catC (cytoplasmic) and catD (secreted peroxidase/catalase), which were distinguished in phylogeny and structure and functionally characterized by constructing single-gene disrupted ...

journal_title：Environmental microbiology

authors： Wang ZL,Zhang LB,Ying SH,Feng MG

更新日期：2013-02-01 00:00:00

abstract：:The transcription of S-PM2 phage following infection of Synechococcus sp. WH7803, a marine cyanobacterium, was analysed by quantitative real-time PCR. Unlike the distantly related coliphage T4, there were only two (early and late) instead of three (early, middle and late) classes of transcripts during the developmenta...

journal_title：Environmental microbiology

authors： Clokie MR,Shan J,Bailey S,Jia Y,Krisch HM,West S,Mann NH

更新日期：2006-05-01 00:00:00

abstract：:Highly successful bacterial clones have the ability to effectively colonize environmental niches and patients. However, the factors which determine the complex interplay between the colonization of environmental niches and patients are mainly unknown. In this study we show that Pseudomonas aeruginosa clone C strains a...

journal_title：Environmental microbiology

authors： Römling U,Kader A,Sriramulu DD,Simm R,Kronvall G

更新日期：2005-07-01 00:00:00

abstract：:Pseudomonas fluorescens CHA0 is a root-associated biocontrol agent that suppresses soil-borne fungal diseases of crops. Remarkably, the pseudomonad is also endowed with systemic and oral activity against pest insects which depends on the production of the insecticidal Fit toxin. The toxin gene (fitD) is part of a viru...

journal_title：Environmental microbiology

authors： Péchy-Tarr M,Borel N,Kupferschmied P,Turner V,Binggeli O,Radovanovic D,Maurhofer M,Keel C

更新日期：2013-03-01 00:00:00

abstract：:Here we report the first metatranscriptomic analysis of gene expression and regulation of 'Candidatus Accumulibacter'-enriched lab-scale sludge during enhanced biological phosphorus removal (EBPR). Medium density oligonucleotide microarrays were generated with probes targeting most predicted genes hypothesized to be i...

journal_title：Environmental microbiology

authors： He S,Kunin V,Haynes M,Martin HG,Ivanova N,Rohwer F,Hugenholtz P,McMahon KD

更新日期：2010-05-01 00:00:00

abstract：:Traditionally, organisms responsible for major biogeochemical cycling processes have been determined by physiological characterization of environmental isolates in laboratory culture. Molecular techniques have, however, confirmed the widespread occurrence of abundant bacterial and archaeal groups with no cultivated re...

journal_title：Environmental microbiology

authors： Prosser JI,Nicol GW

更新日期：2008-11-01 00:00:00

abstract：:Mercury (Hg) is a highly toxic and widely distributed heavy metal, which some Bacteria and Archaea detoxify by the reduction of ionic Hg (Hg[II]) to the elemental volatile form, Hg(0). This activity is specified by the mer operon. The mer operon of the deeply branching thermophile Thermus thermophilus HB27 encodes for...

journal_title：Environmental microbiology

authors： Norambuena J,Miller M,Boyd JM,Barkay T

更新日期：2020-04-01 00:00:00

abstract：:To determine whether the distribution of estuarine ammonia-oxidizing bacteria (AOB) was influenced by salinity, the community structure of betaproteobacterial ammonia oxidizers (AOB) was characterized along a salinity gradient in sediments of the Ythan estuary, on the east coast of Scotland, UK, by denaturant gradient...

journal_title：Environmental microbiology

authors： Freitag TE,Chang L,Prosser JI

更新日期：2006-04-01 00:00:00