Effects of uranium concentration on microbial community structure and functional potential.

abstract：:In warm regions, agricultural fields are occupied by complex Aspergillus flavus communities composed of isolates in many vegetative compatibility groups (VCGs) with varying abilities to produce highly toxic, carcinogenic aflatoxins. Aflatoxin contamination is reduced with biocontrol products that enable atoxigenic iso...

journal_title：Environmental microbiology

authors： Ortega-Beltran A,Callicott KA,Cotty PJ

更新日期：2020-08-01 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：:The cosmopolitan coccolithophore Emiliania huxleyi is characterized by a strongly differentiated haplodiplontic life cycle consisting of a diploid phase, generally bearing coccoliths (calcified) but that can be also non-calcified, and a non-calcified biflagellated haploid phase. Given most studies have focused on the ...

journal_title：Environmental microbiology

authors： Frada MJ,Bidle KD,Probert I,de Vargas C

更新日期：2012-06-01 00:00:00

abstract：:Novel hydrothermal activities accompanying effluent white smokers and elemental sulfur chimney structures at the north-east lava dome of the TOTO caldera depression in the Mariana Volcanic Arc have been explored and characterized by geochemical and microbiological surveys. White smoker hydrothermal fluids were observe...

journal_title：Environmental microbiology

authors： Nakagawa T,Takai K,Suzuki Y,Hirayama H,Konno U,Tsunogai U,Horikoshi K

更新日期：2006-01-01 00:00:00

abstract：:Marine sponges constitute major parts of coral reefs and deep-water communities. They often harbour high amounts of phylogenetically and physiologically diverse microbes, which are so far poorly characterized. Many of these sponges regulate their internal oxygen concentration by modulating their ventilation behaviour ...

journal_title：Environmental microbiology

authors： Hoffmann F,Radax R,Woebken D,Holtappels M,Lavik G,Rapp HT,Schläppy ML,Schleper C,Kuypers MM

更新日期：2009-09-01 00:00:00

abstract：:Methylotrophy is a metabolic capability possessed by microorganisms that allows them to build biomass and to obtain energy from organic substrates containing no carbon-carbon bonds (C1 compounds, such as methane, methanol, etc.). This phenomenon in microbial physiology has been a subject of study for over 100 years, e...

journal_title：Environmental microbiology

authors： Chistoserdova L

更新日期：2011-10-01 00:00:00

abstract：:American foulbrood (AFB) caused by the bee pathogenic bacterium Paenibacillus larvae is the most devastating bacterial disease of honey bees worldwide. From AFB-dead larvae, pure cultures of P. larvae can normally be cultivated indicating that P. larvae is able to defend its niche against all other bacteria present. R...

journal_title：Environmental microbiology

authors： Garcia-Gonzalez E,Müller S,Ensle P,Süssmuth RD,Genersch E

更新日期：2014-05-01 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：:Commensal bacteria play a role in the aetiology of inflammatory bowel diseases (IBD). High intestinal numbers of Escherichia coli in IBD patients suggest a role of this organism in the initiation or progression of chronic gut inflammation. In addition, some E. coli genotypes are more frequently detected in IBD patient...

journal_title：Environmental microbiology

authors： Wohlgemuth S,Haller D,Blaut M,Loh G

更新日期：2009-06-01 00:00:00

abstract：:During the anaerobic biodegradation of naphthalene and methylnaphthalene, unique metabolites are formed by specific microbial carboxylation and ring-reduction reactions. Groundwater samples from an anoxic, shallow aquifer contaminated with gasoline were examined for the presence of these metabolites by extraction, der...

journal_title：Environmental microbiology

authors： Phelps CD,Battistelli J,Young LY

更新日期：2002-09-01 00:00:00

abstract：:The role of archetypal ribonucleases (RNases) in the physiology and stress endurance of the soil bacterium and metabolic engineering platform Pseudomonas putida KT2440 has been inspected. To this end, variants of this strain lacking each of the most important RNases were constructed. Each mutant lacked either one exor...

journal_title：Environmental microbiology

authors： Apura P,de Lorenzo V,Arraiano CM,Martínez-García E,Viegas SC

更新日期：2021-01-01 00:00:00

abstract：:Many bacterial genes and virulence factors are regulated by interbacterial and/or host-parasite chemical signals. We demonstrate that toxin production by a free-living freshwater cyanobacterium is regulated in part by the presence of extracellular products of a eukaryotic green alga. In growth experiments, extracellul...

journal_title：Environmental microbiology

authors： Kearns KD,Hunter MD

更新日期：2000-06-01 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：:As filter-feeders, bivalve molluscs accumulate Vibrio into edible tissues. Consequently, an accurate assessment of depuration procedures and the characterization of the persistent Vibrio community in depurated shellfish represent a key issue to guarantee food safety in shellfish products. The present study investigate...

journal_title：Environmental microbiology

authors： Zampieri A,Carraro L,Cardazzo B,Milan M,Babbucci M,Smits M,Boffo L,Fasolato L

更新日期：2020-10-01 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：:The green sulfur bacteria, the Chlorobi, are phototrophic bacteria that oxidize sulfide and deposit extracellular elemental sulfur globules [S(0)]. These are subsequently consumed after sulfide is exhausted. S(0) globules from a Chlorobaculum tepidum mutant strain were purified and used to show that the wild-type stra...

journal_title：Environmental microbiology

authors： Hanson TE,Bonsu E,Tuerk A,Marnocha CL,Powell DH,Chan CS

更新日期：2016-09-01 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：:Variations in the patterns of diversity of symbionts have been described worldwide on Mimosa pudica, a pan-tropical invasive species that interacts with both α and β-rhizobia. In this study, we investigated if symbiont competitiveness can explain these variations and the apparent prevalence of β- over α-rhizobia. We d...

journal_title：Environmental microbiology

authors： Melkonian R,Moulin L,Béna G,Tisseyre P,Chaintreuil C,Heulin K,Rezkallah N,Klonowska A,Gonzalez S,Simon M,Chen WM,James EK,Laguerre G

更新日期：2014-07-01 00:00:00

abstract：:Contaminated soils are subject to diurnal and seasonal temperature variations during on-site ex-situ bioremediation processes. We assessed how diurnal temperature variations similar to that in summer at the site from which petroleum hydrocarbon-contaminated soil was collected affect the soil microbial community and th...

journal_title：Environmental microbiology

authors： Akbari A,Ghoshal S

更新日期：2015-12-01 00:00:00

abstract：:Verticillium wilt in cotton caused by Verticillium dahliae is one of the most serious plant diseases worldwide. Because no known fungicides or cotton cultivars provide sufficient protection against this pathogen, V. dahliae causes major crop yield losses. Here, an isolated cotton endophytic bacterium, designated Bacil...

journal_title：Environmental microbiology

authors： Han Q,Wu F,Wang X,Qi H,Shi L,Ren A,Liu Q,Zhao M,Tang C

更新日期：2015-04-01 00:00:00

abstract：:Arsenic (As) is the most common toxic element in the environment, ranking first on the Superfund List of Hazardous Substances. Microbial redox transformations are the principal drivers of As chemical speciation, which in turn dictates As mobility and toxicity. Consequently, in order to manage or remediate environmenta...

journal_title：Environmental microbiology

authors： Liu G,Liu M,Kim EH,Maaty WS,Bothner B,Lei B,Rensing C,Wang G,McDermott TR

更新日期：2012-07-01 00:00:00

abstract：:Chemolithoautotrophic nitrite oxidizers of the genus Nitrospira are a monophyletic but diverse group of organisms, are widely distributed in many natural habitats, and play a key role in nitrogen elimination during biological wastewater treatment. Phylogenetic analyses of cloned 16S rRNA genes and fluorescence in situ...

journal_title：Environmental microbiology

authors： Maixner F,Noguera DR,Anneser B,Stoecker K,Wegl G,Wagner M,Daims H

更新日期：2006-08-01 00:00:00

abstract：:Sulfate reduction accounts for about a half of the remineralization of organic carbon in anoxic marine shelf regions. Moreover, it was already a major microbial process in the very early ocean at least 2.4 billion years before the present. Here we demonstrate for the first time the capability of sulfate-reducing bacte...

journal_title：Environmental microbiology

authors： Blumenberg M,Krüger M,Nauhaus K,Talbot HM,Oppermann BI,Seifert R,Pape T,Michaelis W

更新日期：2006-07-01 00:00:00

abstract：:Understanding the ecosystem functioning in the dark portion of the ocean is a challenge that microbial ecologists are still facing. Due to the large volume, the global deep Ocean plays a central role in the regulation of climate, possibly buffering the rise of atmospheric carbon dioxide if processes of CO2 fixation co...

journal_title：Environmental microbiology

authors： Celussi M,Malfatti F,Ziveri P,Giani M,Del Negro P

更新日期：2017-03-01 00:00:00

abstract：:An enriched sulphidogenic consortium capable of mineralizing benzene was used to study the metabolic pathway of anaerobic benzene degradation. Benzoate was detected in active cultures and benzene was confirmed to be the source of this benzoate by the addition of deuterated benzene (D6) and subsequent detection of deut...

journal_title：Environmental microbiology

authors： Phelps CD,Zhang X,Young LY

更新日期：2001-09-01 00:00:00

abstract：:Marine fish larvae are immature upon hatching, and share their environment with high numbers of bacteria. The microbial communities associated with developing fish larvae might be structured by other factors than those important in developing terrestrial animals. Here, we analysed the beta (β)-diversity of the microbi...

journal_title：Environmental microbiology

authors： Bakke I,Coward E,Andersen T,Vadstein O

更新日期：2015-10-01 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：: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：: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：:Streptomycin is used in arboriculture to control fire blight. Using sheep as a model, multidrug-resistant bacteria in mammals were found to be selected after the intentional release of streptomycin into the environment. Escherichia coli and Staphylococcus spp. were isolated from the faeces and nasal cavities, respecti...

journal_title：Environmental microbiology

authors： Scherer A,Vogt HR,Vilei EM,Frey J,Perreten V

更新日期：2013-01-01 00:00:00