Non-native acylated homoserine lactones reveal that LuxIR quorum sensing promotes symbiont stability.

abstract：:Agricultural practices, such as mineral nitrogen fertilization, have an impact on the soil's ability to oxidize methane, but little is known about the shifts in the methanotrophic community composition associated with these practices. Therefore, the long-term effect of both mineral (NH4NO3) and organic (manure and GFT...

journal_title：Environmental microbiology

authors： Seghers D,Top EM,Reheul D,Bulcke R,Boeckx P,Verstraete W,Siciliano SD

更新日期：2003-10-01 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

abstract：:While the dynamics of microbial community assembly driven by environmental perturbations have been extensively studied, our understanding is far from complete, particularly for light-induced perturbations. Extremely halophilic communities thriving in coastal solar salterns are mainly influenced by two environmental fa...

journal_title：Environmental microbiology

authors： Viver T,Orellana LH,Díaz S,Urdiain M,Ramos-Barbero MD,González-Pastor JE,Oren A,Hatt JK,Amann R,Antón J,Konstantinidis KT,Rosselló-Móra R

更新日期：2019-11-01 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：: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：:Marine myoviruses (i.e. bacteriophages with a contractile tail sheath) are numerically abundant and genetically diverse. We developed a terminal restriction fragment length polymorphism assay (TRFLP) for g23, the conserved gene encoding the major capsid protein, to investigate T4-like myovirus communities at USC's Mic...

journal_title：Environmental microbiology

authors： Chow CE,Fuhrman JA

更新日期：2012-08-01 00:00:00

abstract：:Obligate acidophilic members of the thaumarchaeotal genus Candidatus Nitrosotalea play an important role in nitrification in acidic soils, but their evolutionary and physiological adaptations to acidic environments are still poorly understood, with only a single member of this genus (Ca. N. devanaterra) having its gen...

journal_title：Environmental microbiology

authors： Herbold CW,Lehtovirta-Morley LE,Jung MY,Jehmlich N,Hausmann B,Han P,Loy A,Pester M,Sayavedra-Soto LA,Rhee SK,Prosser JI,Nicol GW,Wagner M,Gubry-Rangin C

更新日期：2017-12-01 00:00:00

abstract：:We studied the vanA-carrying vancomycin-resistant enterococci (VRE) isolated from American crows in the United States during the winter 2011/2012. Faecal samples from crows were cultured selectively for VRE and characterized. Pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) were used to ex...

journal_title：Environmental microbiology

authors： Oravcova V,Zurek L,Townsend A,Clark AB,Ellis JC,Cizek A,Literak I

更新日期：2014-04-01 00:00:00

abstract：:Bacterial degradation of polycyclic aromatic hydrocarbons (PAHs), ubiquitous contaminants from oil and coal, is typically limited by poor accessibility of the contaminant to the bacteria. In order to measure PAH availability in complex systems, we designed a number of diffusion-based assays with a double-tagged bacter...

journal_title：Environmental microbiology

authors： Tecon R,Binggeli O,van der Meer JR

更新日期：2009-09-01 00:00:00

abstract：:Vibrios belonging to the Harveyi clade are pathogenic marine bacteria affecting both vertebrates and invertebrates, thereby causing a severe threat to the aquaculture industry. In this study, the expression of haemolysin, metalloprotease, serine protease, the quorum sensing master regulator LuxR and the virulence regu...

journal_title：Environmental microbiology

authors： Ruwandeepika HA,Defoirdt T,Bhowmick PP,Karunasagar I,Karunasagar I,Bossier P

更新日期：2011-02-01 00:00:00

abstract：:Hydrogen (H2 ) is enriched in hot springs and can support microbial primary production. Using a series of geochemical proxies, a model to describe variable H2 concentrations in Yellowstone National Park (YNP) hot springs is presented. Interaction between water and crustal iron minerals yields H2 that partition into th...

journal_title：Environmental microbiology

authors： Lindsay MR,Colman DR,Amenabar MJ,Fristad KE,Fecteau KM,Debes RV 2nd,Spear JR,Shock EL,Hoehler TM,Boyd ES

更新日期：2019-10-01 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：:The pathogenic fungus Cryptococcus neoformans produces melanin within its cell wall for infection and resistance against external stresses such as exposure to UV, temperature fluctuations and reactive oxygen species. It has been reported that melanin may also protect cells from ionizing radiation damage, against which...

journal_title：Environmental microbiology

authors： Schultzhaus Z,Chen A,Kim S,Shuryak I,Chang M,Wang Z

更新日期：2019-08-01 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：:Among human faecal bacteria, many members of the Clostridium leptum subgroup are fibrolytic and butyrate producing microorganisms thereby contributing to processes important to colonic health. Yet this phylogenetic subgroup remains poorly described to date. To improve detection and description of members of the C. lep...

journal_title：Environmental microbiology

authors： Lay C,Sutren M,Rochet V,Saunier K,Doré J,Rigottier-Gois L

更新日期：2005-07-01 00:00:00

abstract：:A recent analysis revealed that most environmental microbiologists neglect replication in their science (Prosser, 2010). Of all peer-reviewed papers published during 2009 in the field's leading journals, slightly more than 70% lacked replication when it came to analyzing microbial community data. The paucity of replic...

journal_title：Environmental microbiology

authors： Lennon JT

更新日期：2011-06-01 00:00:00

abstract：:Antibiotics are routinely used in modern livestock farming. The manure from medicated animals is used for the fertilization of arable crops, which in turn leads to the accumulation of antibiotic resistance genes (ARGs) in the environment. This is a potentially serious public health issue, yet the identities of the bac...

journal_title：Environmental microbiology

authors： Leclercq SO,Wang C,Sui Z,Wu H,Zhu B,Deng Y,Feng J

更新日期：2016-10-01 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：: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：:Bacterial symbionts of insects have been proposed for blocking transmission of vector-borne pathogens. However, in many vector models the ecology of symbionts and their capability of cross-colonizing different hosts, an important feature in the symbiotic control approach, is poorly known. Here we show that the acetic ...

journal_title：Environmental microbiology

authors： Crotti E,Damiani C,Pajoro M,Gonella E,Rizzi A,Ricci I,Negri I,Scuppa P,Rossi P,Ballarini P,Raddadi N,Marzorati M,Sacchi L,Clementi E,Genchi M,Mandrioli M,Bandi C,Favia G,Alma A,Daffonchio D

更新日期：2009-12-01 00:00:00

abstract：:Upon entry of Francisella tularensis to macrophages, the Francisella-containing phagosome (FCP) is trafficked into an acidified late endosome-like phagosome with limited fusion to the lysosomes followed by rapid escape into the cytosol where the organism replicates. Although the Francisella Pathogenicity Island (FPI),...

journal_title：Environmental microbiology

authors： Asare R,Abu Kwaik Y

更新日期：2010-09-01 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：: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：:Bacteriophages, the viruses that infect bacteria, are the most abundant biological entities in the biosphere and play a key role in global biogeochemical cycling. All T4-type bacteriophage isolates tested so far have a conserved genetic module that encodes the virion components including gene 23 (g23), the major capsi...

journal_title：Environmental microbiology

authors： Jia Z,Ishihara R,Nakajima Y,Asakawa S,Kimura M

更新日期：2007-04-01 00:00:00

abstract：:Denitrifying bacteria were enriched from freshwater sediment with added nitrate as electron acceptor and crude oil as the only source of organic substrates. The enrichment cultures were used as laboratory model systems for studying the degradative potential of denitrifying bacteria with respect to crude oil constituen...

journal_title：Environmental microbiology

authors： Rabus R,Wilkes H,Schramm A,Harms G,Behrends A,Amann R,Widdel F

更新日期：1999-04-01 00:00:00

abstract：:In this study, the putative role of phenazines and rhamnolipid-biosurfactants, antagonistic metabolites produced by Pseudomonas aeruginosa PNA1, was tested in the biological control of Pythium splendens on bean (Phaseolus vulgaris L) and Pythium myriotylum on cocoyam (Xanthosoma sagittifolium L Schott). A rhamnolipid-...

journal_title：Environmental microbiology

authors： Perneel M,D'hondt L,De Maeyer K,Adiobo A,Rabaey K,Höfte M

更新日期：2008-03-01 00:00:00

abstract：:Recent scenarios of fresh produce contamination by human enteric pathogens have resulted in severe food-borne outbreaks, and a new paradigm has emerged stating that some human-associated bacteria can use plants as secondary hosts. As a consequence, there has been growing concern in the scientific community about these...

journal_title：Environmental microbiology

authors： Martínez-García PM,López-Solanilla E,Ramos C,Rodríguez-Palenzuela P

更新日期：2016-12-01 00:00:00

abstract：:Rab GTPases are required for vesicle-vacuolar fusion during vacuolar biogenesis in fungi. To date, little is known about the biological functions of the Rab small GTPase components in Magnaporthe oryzae. In this study, we investigated MoYpt7 of M. oryzae, a homologue of the small Ras-like GTPase Ypt7 in Saccharomyces ...

journal_title：Environmental microbiology

authors： Liu XH,Chen SM,Gao HM,Ning GA,Shi HB,Wang Y,Dong B,Qi YY,Zhang DM,Lu GD,Wang ZH,Zhou J,Lin FC

更新日期：2015-11-01 00:00:00

abstract：:The O-antigen is a highly diverse structure expressed on the outer surface of Gram-negative bacteria. The products responsible for O-antigen synthesis are encoded in the wbe region, which exhibits extensive genetic diversity. While heterogeneous O-antigens are observed within Vibrio species, characterization of these ...

journal_title：Environmental microbiology

authors： Wildschutte H,Preheim SP,Hernandez Y,Polz MF

更新日期：2010-11-01 00:00:00

abstract：:Marine sponges often harbour communities of symbiotic microorganisms that fulfil necessary functions for the well-being of their hosts. Microbial communities associated with the sponge Rhopaloeides odorabile were used as bioindicators for sublethal cupric ion (Cu2+) stress. A combined strategy incorporating molecular,...

journal_title：Environmental microbiology

authors： Webster NS,Webb RI,Ridd MJ,Hill RT,Negri AP

更新日期：2001-01-01 00:00:00