Some have it all: multicellularity, magnetotaxis and photokinesis in one bacterium.

abstract：:The frequent production of the hepatotoxin microcystin (MC) and its impact on the lifestyle of bloom-forming cyanobacteria are poorly understood. Here, we report that MC interferes with the assembly and the subcellular localization of RubisCO, in Microcystis aeruginosa PCC7806. Immunofluorescence, electron microscopic...

journal_title：Environmental microbiology

authors： Barchewitz T,Guljamow A,Meissner S,Timm S,Henneberg M,Baumann O,Hagemann M,Dittmann E

更新日期：2019-12-01 00:00:00

abstract：:Metapopulation theory developed in terrestrial ecology provides applicable frameworks for interpreting the role of local and regional processes in shaping species distribution patterns. Yet, empirical testing of metapopulation models on microbial communities is essentially lacking. We determined regional bacterioplank...

journal_title：Environmental microbiology

authors： Lindh MV,Sjöstedt J,Ekstam B,Casini M,Lundin D,Hugerth LW,Hu YO,Andersson AF,Andersson A,Legrand C,Pinhassi J

更新日期：2017-03-01 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：:Bacillus anthracis, Bacillus cereus and Bacillus thuringiensis have been described as members of the Bacillus cereus group but are, in fact, one species. B. anthracis is a mammal pathogen, B. thuringiensis an entomopathogen and B. cereus a ubiquitous soil bacterium and an occasional human pathogen. In two clinical iso...

journal_title：Environmental microbiology

authors： Mignot T,Denis B,Couture-Tosi E,Kolstø AB,Mock M,Fouet A

更新日期：2001-08-01 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：:Biological membranes have evolved different mechanisms to modify their composition in response to chemical stimuli in a process called 'homeoviscous adaptation'. Among these mechanisms, modifications in the ratio of saturated/unsaturated fatty acids and in cis/trans fatty acid isomers, cyclopropanation and changes in ...

journal_title：Environmental microbiology

authors： Bernal P,Muñoz-Rojas J,Hurtado A,Ramos JL,Segura A

更新日期：2007-05-01 00:00:00

abstract：:The cyanobacteria Prochlorococcus and Synechococcus are important marine primary producers. We explored their distributions and covariance along a physico-chemical gradient from coastal to open ocean waters in the Northeastern Pacific Ocean. An inter-annual pattern was delineated in the dynamic transition zone where u...

journal_title：Environmental microbiology

authors： Sudek S,Everroad RC,Gehman AL,Smith JM,Poirier CL,Chavez FP,Worden AZ

更新日期：2015-10-01 00:00:00

abstract：:Bioactive amounts of antibiotics as well as resistant bacteria reach the soil through manure fertilization. We investigated plasmids that may stimulate the environmental spread and interspecies transfer of antibiotic resistance. After treatment of two soils with manure, either with or without the sulfonamide antibioti...

journal_title：Environmental microbiology

authors： Heuer H,Kopmann C,Binh CT,Top EM,Smalla K

更新日期：2009-04-01 00:00:00

abstract：:Atypical, strongly haemolytic porcine isolates of intestinal spirochaetes differing genetically from Brachyspira hyodysenteriae were identified and characterized. The isolates were subjected to culture and biochemical tests, antimicrobial susceptibility testing and molecular analyses. None of four species-specific pol...

journal_title：Environmental microbiology

authors： Råsbäck T,Jansson DS,Johansson KE,Fellström C

更新日期：2007-04-01 00:00:00

abstract：:The N2 -fixing (diazotrophic) community in marine ecosystems is dominated by non-cyanobacterial microorganisms. Yet, very little is known about their identity, function and ecological relevance due to a lack of cultured representatives. Here we report a novel heterotrophic diazotroph isolated from the oxygen minimum z...

journal_title：Environmental microbiology

authors： Martínez-Pérez C,Mohr W,Schwedt A,Dürschlag J,Callbeck CM,Schunck H,Dekaezemacker J,Buckner CRT,Lavik G,Fuchs BM,Kuypers MMM

更新日期：2018-02-01 00:00:00

abstract：:Toxin-antitoxin modules are gene pairs encoding a toxin and its antitoxin, and are found on the chromosomes of many bacteria, including pathogens. Here, we characterize the specific contribution of the TxpA and YqcG toxins in elimination of defective cells from developing Bacillus subtilis biofilms. On nutrient limita...

journal_title：Environmental microbiology

authors： Bloom-Ackermann Z,Steinberg N,Rosenberg G,Oppenheimer-Shaanan Y,Pollack D,Ely S,Storzi N,Levy A,Kolodkin-Gal I

更新日期：2016-12-01 00:00:00

abstract：:Social interactions in which bacteria respond to one another by modifying their phenotype are central determinants of microbial communities. It is known that interspecific interactions influence the biofilm phenotype of bacteria; a phenotype that is central to the fitness of bacteria. However, the underlying role of f...

journal_title：Environmental microbiology

authors： Madsen JS,Røder HL,Russel J,Sørensen H,Burmølle M,Sørensen SJ

更新日期：2016-09-01 00:00:00

abstract：:The mechanisms that allow psychrophilic bacteria to remain metabolically active at subzero temperatures result from form and function of their proteins. We present first proteomic evidence of physiological changes of the marine psychrophile Colwellia psychrerythraea 34H (Cp34H) after exposure to subzero temperatures (...

journal_title：Environmental microbiology

authors： Nunn BL,Slattery KV,Cameron KA,Timmins-Schiffman E,Junge K

更新日期：2015-07-01 00:00:00

abstract：:Autotrophic carbon dioxide (CO2 ) fixation by microbes is ubiquitous in the environment and potentially contributes to the soil organic carbon (SOC) pool. However, the multiple autotrophic pathways of microbial carbon assimilation and fixation in paddy soils remain poorly characterized. In this study, we combine metag...

journal_title：Environmental microbiology

authors： Xiao KQ,Ge TD,Wu XH,Peacock CL,Zhu ZK,Peng J,Bao P,Wu JS,Zhu YG

更新日期：2020-08-21 00:00:00

abstract：:Fragilariopsis is a dominating psychrophilic diatom genus in polar sea ice. The two species Fragilariopsis cylindrus and Fragilariopsis curta are able to grow and divide below freezing temperature of sea water and above average sea water salinity. Here we show that antifreeze proteins (AFPs), involved in cold adaptati...

journal_title：Environmental microbiology

authors： Bayer-Giraldi M,Uhlig C,John U,Mock T,Valentin K

更新日期：2010-04-01 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：: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：:In August 2008, Kasatochi volcano erupted and buried a small island in pyroclastic deposits and fine ash; since then, microbes, plants and birds have begun to re-colonize the initially sterile surface. Five years post-eruption, bacterial 16S rRNA gene and fungal internal transcribed spacer (ITS) copy numbers and extra...

journal_title：Environmental microbiology

authors： Zeglin LH,Wang B,Waythomas C,Rainey F,Talbot SL

更新日期：2016-01-01 00:00:00

abstract：:Trichodesmium spp. play key roles in global carbon and nitrogen budgets and thus defining what controls their productivity is important for understanding climate change. While iron availability has been shown to be an important chemical factor for controlling both growth and nitrogen fixation rates in Trichodesmium, a...

journal_title：Environmental microbiology

authors： Chappell PD,Webb EA

更新日期：2010-01-01 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：: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：:Assessing the extent of parasite diversity requires the application of appropriate molecular tools, especially given the growing evidence of multiple parasite co-occurrence. Here, we compared the performance of a next-generation sequencing technology (Ion PGM ™ System) in 12 Bombus terrestris specimens that were PCR-i...

journal_title：Environmental microbiology

authors： Bartolomé C,Jabal-Uriel C,Buendía-Abad M,Benito M,Ornosa C,De la Rúa P,Martín-Hernández R,Higes M,Maside X

更新日期：2021-01-01 00:00:00

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：:Aquatic sediments harbour diverse microbial communities that mediate organic matter degradation and influence biogeochemical cycles. The pool of bioavailable carbon continuously changes as a result of abiotic processes and microbial activity. It remains unclear how microbial communities respond to heterogeneous organi...

journal_title：Environmental microbiology

authors： Mahmoudi N,Beaupré SR,Steen AD,Pearson A

更新日期：2017-07-01 00:00:00

abstract：:Plant-beneficial Pseudomonas spp. competitively colonize the rhizosphere and display plant-growth promotion and/or disease-suppression activities. Some strains within the P. fluorescens species complex produce phenazine derivatives, such as phenazine-1-carboxylic acid. These antimicrobial compounds are broadly inhibit...

journal_title：Environmental microbiology

authors： Biessy A,Novinscak A,Blom J,Léger G,Thomashow LS,Cazorla FM,Josic D,Filion M

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：:Deciphering the complex interconnecting bacterial responses to the presence of aromatic compounds is required to gain an integrated understanding of how aromatic catabolic processes function in relation to their genome and environmental context. In addition to the properties of the catabolic enzymes themselves, regula...

journal_title：Environmental microbiology

authors： Shingler V

更新日期：2003-12-01 00:00:00

abstract：:Intensive microbial growth typically observed in laboratory rarely occurs in nature. Because of severe nutrient deficiency, natural populations exhibit near-zero growth (NZG). There is a long-standing controversy about sustained NZG, specifically whether there is a minimum growth rate below which cells die or whether ...

journal_title：Environmental microbiology

authors： Panikov NS,Mandalakis M,Dai S,Mulcahy LR,Fowle W,Garrett WS,Karger BL

更新日期：2015-01-01 00:00:00

abstract：:In order to acquire a better understanding of the effects of the different delivery modes of bacterial inoculants on plant growth and on the community structure of rhizosphere bacterial populations, Burkholderia ambifaria MCI 7 (formerly B. cepacia MCI 7) was inoculated into the rhizosphere of maize plants by either s...

journal_title：Environmental microbiology

authors： Ciccillo F,Fiore A,Bevivino A,Dalmastri C,Tabacchioni S,Chiarini L

更新日期：2002-04-01 00:00:00

abstract：:A method was developed to assess the genetic structure of Gaeumannomyces graminis var. tritici (Ggt) populations and test the hypothesis of an association between disease level in the field with changes in pathogen populations. A long-term wheat monoculture experiment, established since 1994, generated different take-...

journal_title：Environmental microbiology

authors： Lebreton L,Lucas P,Dugas F,Guillerm AY,Schoeny A,Sarniguet A

更新日期：2004-11-01 00:00:00