Temperature affects c-di-GMP signalling and biofilm formation in Vibrio cholerae.

abstract：:Stable carbon isotope signatures of diagnostic lipid biomarkers have suggested that Roseiflexus spp., the dominant filamentous anoxygenic phototrophic bacteria inhabiting microbial mats of alkaline siliceous hot springs, may be capable of fixing bicarbonate via the 3-hydroxypropionate pathway, which has been character...

journal_title：Environmental microbiology

authors： Klatt CG,Bryant DA,Ward DM

更新日期：2007-08-01 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：:Fungi are important decomposers of leaf litter in streams and may have knock-on effects on other microbes and carbon cycling. To elucidate such potential effects, we designed an experiment in outdoor experimental channels simulating sand-bottom streams in an early-successional state. We hypothesized that the presence ...

journal_title：Environmental microbiology

authors： Frossard A,Gerull L,Mutz M,Gessner MO

更新日期：2012-11-01 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：: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：:Cyanobacteria are regarded as the main N(2)-fixing organisms in marine waters. However, recent clone libraries from various oceans show a wide distribution of the dinitrogenase reductase gene (nifH) originating from heterotrophic bacterioplankton. We isolated heterotrophic N(2)-fixing bacteria from Baltic Sea bacterio...

journal_title：Environmental microbiology

authors： Boström KH,Riemann L,Kühl M,Hagström A

更新日期：2007-01-01 00:00:00

abstract：:Enhanced biological phosphorus removal (EBPR) exploits the metabolism of polyphosphate-accumulating organisms (PAOs) to remove excess phosphorus (P) from wastewater treatment. Candidatus Accumulibacter phosphatis (Accumulibacter) is the most abundant and well-studied PAO in EBPR systems. In a previous study, we detect...

journal_title：Environmental microbiology

authors： Watson SJ,Needoba JA,Peterson TD

更新日期：2019-04-01 00:00:00

abstract：:MerF, a proposed bacterial mercury transporter, was surprisingly found to play key roles in the flagellum biogenesis and motility but not mercuric resistance of the deep-sea bacterium Pseudomonas stutzeri 273 in our previous study. However, the mechanism behind this interesting discovery has not been elucidated. Here,...

journal_title：Environmental microbiology

authors： Zheng R,Wu S,Sun C

更新日期：2021-01-01 00:00:00

abstract：:Cultures of the non-heterocystous cyanobacterium, Leptolyngbya nodulosa, could be grown indefinitely in media devoid of combined nitrogen. Acetylene reduction assays showed that these cultures fixed nitrogen in the dark period of a diurnal cycle under micro-oxygenic or anaerobic conditions. Addition of DCMU to culture...

journal_title：Environmental microbiology

authors： Li Z,Yu J,Kim KR,Brand J

更新日期：2010-05-01 00:00:00

abstract：:In the forthcoming decades, it is widely believed that the dominance of colonial and filamentous bloom-forming cyanobacteria (e.g. Microcystis, Planktothrix, Anabaena and Cylindrospermopsis) will increase in freshwater systems as a combined result of anthropogenic nutrient input into freshwater bodies and climate chan...

journal_title：Environmental microbiology

authors： Gerphagnon M,Macarthur DJ,Latour D,Gachon CM,Van Ogtrop F,Gleason FH,Sime-Ngando T

更新日期：2015-08-01 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：:In a future scenario of increasing temperatures in North-Atlantic waters, the risk associated with the expansion of the harmful, benthic dinoflagellate Ostreopsis cf. siamensis has to be evaluated and monitored. Microscopy observations and spatio-temporal surveys of environmental DNA (eDNA) were associated with Lagran...

journal_title：Environmental microbiology

authors： Drouet K,Jauzein C,Herviot-Heath D,Hariri S,Laza-Martinez A,Lecadet C,Plus M,Seoane S,Sourisseau M,Lemée R,Siano R

更新日期：2021-01-26 00:00:00

abstract：:Nosema ceranae is currently one of the major pathogens of honeybees, related to the worldwide colony losses phenomenon. The genotyping of strains based on ribosomal DNA (rDNA) can be misleading if the repeated units are not identical. The analysis of cloned rDNA fragments containing the intergenic spacer (IGS) and par...

journal_title：Environmental microbiology

authors： Sagastume S,Del Águila C,Martín-Hernández R,Higes M,Henriques-Gil N

更新日期：2011-01-01 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：:Previous studies of hot (>80 degrees C) microbial ecosystems have primarily relied on the study of pure cultures or analysis of 16S rDNA sequences. In order to gain more information on anaerobic metabolism by natural communities in hot environments, sediments were collected from a shallow marine hydrothermal vent syst...

journal_title：Environmental microbiology

authors： Tor JM,Amend JP,Lovley DR

更新日期：2003-07-01 00:00:00

abstract：:Nitrogen is frequently limiting microbial growth in the environment. As a response, many filamentous cyanobacteria differentiate heterocysts, cells devoted to N2 fixation. Heterocyst differentiation is under the control of the master regulator HetR. Through the characterization of the HetR-dependent transcriptome in N...

journal_title：Environmental microbiology

authors： Brenes-Álvarez M,Mitschke J,Olmedo-Verd E,Georg J,Hess WR,Vioque A,Muro-Pastor AM

更新日期：2019-07-01 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：:Marine Group I (MGI) Thaumarchaeota are some of the most abundant microorganisms in the deep ocean and responsible for much of the ammonia oxidation occurring in this environment. In this work, we present 35 sequences assembled from metagenomic samples of the first uncultivated Caudovirales viruses associated with Tha...

journal_title：Environmental microbiology

authors： López-Pérez M,Haro-Moreno JM,de la Torre JR,Rodriguez-Valera F

更新日期：2019-06-01 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：:Nutrient scarcity is a common condition in nature, but the resulting extremely low growth rates (below 0.025 h(-1) ) are an unexplored research area in Bacillus subtilis. To understand microbial life in natural environments, studying the adaptation of B. subtilis to near-zero growth conditions is relevant. To this end...

journal_title：Environmental microbiology

authors： Overkamp W,Ercan O,Herber M,van Maris AJ,Kleerebezem M,Kuipers OP

更新日期：2015-02-01 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：: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：: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：:Syntrophomonas wolfei is a specialist, evolutionarily adapted for syntrophic growth with methanogens and other hydrogen- and/or formate-using microorganisms. This slow-growing anaerobe has three putative ribosome RNA operons, each of which has 16S rRNA and 23S rRNA genes of different length and multiple 5S rRNA genes....

journal_title：Environmental microbiology

authors： Sieber JR,Sims DR,Han C,Kim E,Lykidis A,Lapidus AL,McDonnald E,Rohlin L,Culley DE,Gunsalus R,McInerney MJ

更新日期：2010-08-01 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：: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：: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：:Proton-pumping rhodopsins provide an alternative pathway to photosynthesis by which solar energy can enter the marine food web. Rhodopsin genes are widely found in marine bacteria, also in the Arctic, and were recently reported from several eukaryotic lineages. So far, little is known about rhodopsin expression in Arc...

journal_title：Environmental microbiology

authors： Vader A,Laughinghouse HD 4th,Griffiths C,Jakobsen KS,Gabrielsen TM

更新日期：2018-02-01 00:00:00

abstract：:Sensing potential nitrogen-containing respiratory substrates such as nitrate, nitrite, hydroxylamine, nitric oxide (NO) or nitrous oxide (N2 O) in the environment and subsequent upregulation of corresponding catabolic enzymes is essential for many microbial cells. The molecular mechanisms of such adaptive responses ar...

journal_title：Environmental microbiology

authors： Kern M,Simon J

更新日期：2016-09-01 00:00:00

abstract：:The roles of individual bacterioplankton species in the re-mineralization of algal biomass are poorly understood. Evidence from molecular data had indicated that a spring diatom bloom in the German Bight of the North Sea in 2009 was followed by a rapid succession of uncultivated bacterioplankton species, including mem...

journal_title：Environmental microbiology

authors： Hahnke RL,Bennke CM,Fuchs BM,Mann AJ,Rhiel E,Teeling H,Amann R,Harder J

更新日期：2015-10-01 00:00:00