Microbial anaerobic Fe(II) oxidation - Ecology, mechanisms and environmental implications.

abstract：:Zoospores of the eukaryotic green seaweed Ulva respond to bacterial N-acylhomoserine lactone (AHL) quorum sensing signal molecules for the selection of surface sites for permanent attachment. In this study we have investigated the production and destruction of AHLs in biofilms of the AHL-producing marine bacterium, Vi...

journal_title：Environmental microbiology

authors： Tait K,Joint I,Daykin M,Milton DL,Williams P,Cámara M

更新日期：2005-02-01 00:00:00

abstract：:The bacterial metabolite and transition metal chelator pyridine-2,6-dithiocarboxylic acid (PDTC), promotes a novel and effective means of dechlorination of the toxic and carcinogenic pollutant, carbon tetrachloride. Pyridine-2,6-dithiocarboxylic acid has been presumed to act as a siderophore in the Pseudomonas strains...

journal_title：Environmental microbiology

authors： Lewis TA,Leach L,Morales S,Austin PR,Hartwell HJ,Kaplan B,Forker C,Meyer JM

更新日期：2004-02-01 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：:The structure of bacterial communities in first-year spring and summer sea ice differs from that in source seawaters, suggesting selection during ice formation in autumn or taxon-specific mortality in the ice during winter. We tested these hypotheses by weekly sampling (January-March 2004) of first-year winter sea ice...

journal_title：Environmental microbiology

authors： Collins RE,Rocap G,Deming JW

更新日期：2010-07-01 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：:1,2-Dichloroethane (1,2-DCA), a chlorinated aliphatic hydrocarbon, is a well-known groundwater contaminant. In this study, fractionation of stable carbon isotope values of 1,2-DCA during biodegradation was used as a novel reaction probe to provide information about the mechanism of 1,2-DCA biodegradation under both ae...

journal_title：Environmental microbiology

authors： Hirschorn SK,Dinglasan-Panlilio MJ,Edwards EA,Lacrampe-Couloume G,Sherwood Lollar B

更新日期：2007-07-01 00:00:00

abstract：:Despite their key role in biogeochemical processes, particularly the methane cycle, archaea are widely underrepresented in molecular surveys because of their lower abundance compared with bacteria and eukaryotes. Here, we use parallel high-resolution small subunit rRNA gene sequencing to explore archaeal diversity in ...

journal_title：Environmental microbiology

authors： Juottonen H,Fontaine L,Wurzbacher C,Drakare S,Peura S,Eiler A

更新日期：2020-08-01 00:00:00

abstract：:Reactive oxygen species (ROS) play an important role during host-pathogen interactions and are often an indication of induced host defence responses. In this study, we demonstrate for the first time that Puccinia triticina (Pt) generates ROS, including superoxide, H2 O2 and hydroxyl radicals, during wheat infection. T...

journal_title：Environmental microbiology

authors： Wang X,Che MZ,Khalil HB,McCallum BD,Bakkeren G,Rampitsch C,Saville BJ

更新日期：2020-07-01 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：:The depth distribution and diversity of sulphate-reducing bacteria (SRB) was analysed in the upper intertidal zone of a sandy marine sediment of the Dutch island Schiermonnikoog. The upper centimetre of the sediment included the oxic-anoxic interface and was cut into five slices. With each slice, most probable number ...

journal_title：Environmental microbiology

authors： Wieringa EB,Overmann J,Cypionka H

更新日期：2000-08-01 00:00:00

abstract：:Exopolysaccharide is a critical biofilm matrix component, yet little is known about how the synthesis of multiple exopolysaccharides is regulated. Pseudomonas aeruginosa can produce several biofilm matrix exopolysaccharides that include alginate, Psl and Pel. Here we demonstrated that AlgC, a key enzyme that provides ...

journal_title：Environmental microbiology

authors： Ma L,Wang J,Wang S,Anderson EM,Lam JS,Parsek MR,Wozniak DJ

更新日期：2012-08-01 00:00:00

abstract：:The high genomic G+C group of Actinobacteria possesses a variety of physiological and metabolic properties, and exhibits diverse lifestyles and ecological distribution. In recent years, Actinobacteria have been found to frequently dominate samples obtained from freshwater samples. Furthermore, phylogenetic analyses ha...

journal_title：Environmental microbiology

authors： Philosof A,Sabehi G,Béjà O

更新日期：2009-12-01 00:00:00

abstract：:The influence of microbial degradation on the 13C/12C isotope composition of aromatic hydrocarbons is presented using toluene as a model compound. Four different toluene-degrading bacterial strains grown in batch culture with oxygen, nitrate, ferric iron or sulphate as electron acceptors were studied as representative...

journal_title：Environmental microbiology

authors： Meckenstock RU,Morasch B,Warthmann R,Schink B,Annweiler E,Michaelis W,Richnow HH

更新日期：1999-10-01 00:00:00

abstract：:Root endophytic fungi are found in a great variety of plants and ecosystems, but the ecological drivers of their biogeographic distribution are poorly understood. Here, we investigate the occurrence of root endophytes in the non-mycorrhizal plant genus Microthlaspi, and the effect of environmental factors and geograph...

journal_title：Environmental microbiology

authors： Glynou K,Ali T,Buch AK,Haghi Kia S,Ploch S,Xia X,Çelik A,Thines M,Maciá-Vicente JG

更新日期：2016-09-01 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：:Although increasing knowledge suggests that bacteriophages play important roles in regulating microbial ecosystems, phage-bacteria interaction in human oral cavities remains less understood. Here we performed a metagenomic analysis to explore the composition and variation of oral dsDNA phage populations and potential ...

journal_title：Environmental microbiology

authors： Wang J,Gao Y,Zhao F

更新日期：2016-07-01 00:00:00

abstract：:In Australia, saxitoxin production is strain dependent within the bloom-forming freshwater cyanobacterium Anabaena circinalis. Freshwater cyanobacteria are exposed to rapid fluctuations in environmental nutrient concentrations, and their adaption is vital for competition, succession and dominance. Two elements of envi...

journal_title：Environmental microbiology

authors： D'Agostino PM,Song X,Neilan BA,Moffitt MC

更新日期：2016-02-01 00:00:00

abstract：:Pseudomonas aeruginosa is a widely distributed environmental bacterium but is also an opportunistic pathogen that represents an important health hazard due to its high intrinsic antibiotic resistance and its production of virulence factors. The genetic structure of P. aeruginosa populations using whole genome sequence...

journal_title：Environmental microbiology

authors： García-Ulloa M 2nd,Ponce-Soto GY,González-Valdez A,González-Pedrajo B,Díaz-Guerrero M,Souza V,Soberón-Chávez G

更新日期：2019-08-01 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：:Although bacterioplankton and phytoplankton are generally perceived as closely linked in marine systems, specific interactions between discrete bacterioplankton and phytoplankton populations are largely unknown. However, measurements of bacterioplankton distributions during phytoplankton blooms may indicate specific m...

journal_title：Environmental microbiology

authors： Morris RM,Longnecker K,Giovannoni SJ

更新日期：2006-08-01 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：:Heterotrophic Proteobacteria and Actinobacteria were isolated from Lake Matano, Indonesia, a stratified, ferruginous (iron-rich), ultra-oligotrophic lake with phosphate concentrations below 50 nM. Here, we describe the growth of eight strains of heterotrophic bacteria on a variety of soluble and insoluble sources of p...

journal_title：Environmental microbiology

authors： Yao M,Elling FJ,Jones C,Nomosatryo S,Long CP,Crowe SA,Antoniewicz MR,Hinrichs KU,Maresca JA

更新日期：2016-02-01 00:00:00

abstract：:Technologies for massively parallel sequencing are revolutionizing microbial ecology and are vastly increasing the scale of ribosomal RNA (rRNA) gene studies. Although pyrosequencing has increased the breadth and depth of possible rRNA gene sampling, one drawback is that the number of reads obtained per sample is diff...

journal_title：Environmental microbiology

authors： Gihring TM,Green SJ,Schadt CW

更新日期：2012-02-01 00:00:00

abstract：:Several diazotrophic species of Azoarcus spp. occur as endophytes in the pioneer plant Kallar grass. The purpose of this study was to screen Asian wild rice and cultivated Oryza sativa varieties for natural association with these endophytes. Populations of culturable diazotrophs in surface-sterilized roots were charac...

journal_title：Environmental microbiology

authors： Engelhard M,Hurek T,Reinhold-Hurek B

更新日期：2000-04-01 00:00:00

abstract：:Fungi can be highly efficient biogeochemical agents and accumulators of soluble and particulate forms of metals. This work aims to understand some of the physico-chemical mechanisms involved in toxic metal transformations focusing on the speciation of metals accumulated by fungi and mycorrhizal associations. The amorp...

journal_title：Environmental microbiology

authors： Fomina M,Charnock J,Bowen AD,Gadd GM

更新日期：2007-02-01 00:00:00

abstract：:The genome of the soil bacterium Pseudomonas putida strain KT2440 has been erased of various determinants of resistance to antibiotics encoded in its extant chromosome. To this end, we employed a coherent genetic platform that allowed the precise deletion of multiple genomic segments in a large variety of Gram-negativ...

journal_title：Environmental microbiology

authors： Martínez-García E,de Lorenzo V

更新日期：2011-10-01 00:00:00

abstract：:Two-component system (TCS) signaling circuits regulate numerous cellular processes in response to environmental cues in both prokaryotic and eukaryotic cells. These signaling circuits are all based on phosphoryl-group transfers between histidine and aspartate containing modules of sensor kinase and response regulator ...

journal_title：Environmental microbiology

authors： Alvarez AF,Barba-Ostria C,Silva-Jiménez H,Georgellis D

更新日期：2016-10-01 00:00:00

abstract：:Wide-spread abundance in soil and water, coupled with high toxicity have put arsenic at the top of the list of environmental contaminants. Early studies demonstrated that both concentration and the valence state of inorganic arsenic (arsenite, As(III) vs. arsenate As(V)) can be modulated by microbes. Using genetics, t...

journal_title：Environmental microbiology

authors： Tokmina-Lukaszewska M,Shi Z,Tripet B,McDermott TR,Copié V,Bothner B,Wang G

更新日期：2017-02-01 00:00:00

abstract：:The anaerobic oxidation of methane (AOM) is one of the major sinks for methane on earth and is known to be mediated by at least two phylogenetically different groups of anaerobic methanotrophic Archaea (ANME-I and ANME-II). We present the first comparative in vitro study of the environmental regulation and physiology ...

journal_title：Environmental microbiology

authors： Nauhaus K,Treude T,Boetius A,Krüger M

更新日期：2005-01-01 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