Genomic distribution of B-vitamin auxotrophy and uptake transporters in environmental bacteria from the Chloroflexi phylum.

abstract：:Given the key role played by honey bees in almost all terrestrial ecosystems, maintaining bee populations in adequate sanitary conditions is crucial for these essential pollinators to continue their work. From the beginning of the 21st century, beekeepers have reported a progressive increase in the overwintering morta...

journal_title：Environmental microbiology reports

authors： Botías C,Martín-Hernández R,Barrios L,Garrido-Bailón E,Nanetti A,Meana A,Higes M

更新日期：2012-02-01 00:00:00

abstract：:Development of high-throughput sequencing techniques has greatly benefited our understanding about microbial ecology, yet the methods producing short reads suffer from species-level resolution and uncertainty of identification. Here, we optimize Pacific Biosciences-based metabarcoding protocols covering the internal t...

journal_title：Environmental microbiology reports

authors： Tedersoo L,Anslan S

更新日期：2019-10-01 00:00:00

abstract：:The flagellate protists in the hindgut of lower termites play an essential role in the digestion of lignocellulose. Most flagellate species are associated with host-specific symbionts from various bacterial lineages, which typically lack cultured representatives. In this study, we analyzed the genome of 'Candidatus An...

journal_title：Environmental microbiology reports

authors： Strassert JFH,Mikaelyan A,Woyke T,Brune A

更新日期：2016-10-01 00:00:00

abstract：:The rumen microbiota plays important roles in nutrient metabolism and absorption of the host. However, it is poorly understood how host genetic variation shapes the community structure of the rumen microbiota and its metabolic phenotype. Here, we used sika deer (Cervus nippon) and elk (Cervus elaphus) to produce the f...

journal_title：Environmental microbiology reports

authors： Li Z,Wright AG,Si H,Wang X,Qian W,Zhang Z,Li G

更新日期：2016-12-01 00:00:00

abstract：:Tunicates are useful models for exploring microbiomes because they have an innate immune system resembling that of chordates. Automated ribosomal RNA intergenic spacer analysis and High-Throughput Sequencing were used to compare the tunic microbiomes of Ciona robusta (formerly Ciona intestinalis type A), Ciona savigny...

journal_title：Environmental microbiology reports

authors： Cahill PL,Fidler AE,Hopkins GA,Wood SA

更新日期：2016-08-01 00:00:00

abstract：:Anaerobic ammonium-oxidizing (anammox) bacteria affiliated with the genus 'Candidatus Scalindua' are responsible for significant nitrogen loss in oceans, and thus their ecophysiology is of great interest. Here, we enriched a marine anammox bacterium, 'Ca. S. japonica' from a Hiroshima bay sediment in Japan, and compar...

journal_title：Environmental microbiology reports

authors： Oshiki M,Mizuto K,Kimura ZI,Kindaichi T,Satoh H,Okabe S

更新日期：2017-10-01 00:00:00

abstract：:The interaction between human protozoan parasites and the immune cells of bivalves, that can accumulate them, is poorly described. The purpose of this study is to consider the mechanisms of action of some of these protozoa on zebra mussel haemocytes, by evaluating their cytotoxic potential. Haemocytes were exposed to ...

journal_title：Environmental microbiology reports

authors： Le Guernic A,Geffard A,Rioult D,Bonnard I,Le Foll F,Palos Ladeiro M

更新日期：2019-06-01 00:00:00

abstract：:As key components of the electron transfer (ET) pathways used for dissimilatory reduction of solid iron [Fe(III)] (hydr)oxides, outer membrane multihaem c-type cytochromes MtrC and OmcA of Shewanella oneidensis MR-1 and OmcE and OmcS of Geobacter sulfurreducens mediate ET reactions extracellularly. Both MtrC and OmcA ...

journal_title：Environmental microbiology reports

authors： Shi L,Richardson DJ,Wang Z,Kerisit SN,Rosso KM,Zachara JM,Fredrickson JK

更新日期：2009-08-01 00:00:00

abstract：:In this study, an aquaporin protein, Aqp1, in Cryptococcus neoformans, which can lead either saprobic or parasitic lifestyles and causes life-threatening fungal meningitis was identified and characterized. AQP1 expression was rapidly induced (via the HOG pathway) by osmotic or oxidative stress. In spite of such transc...

journal_title：Environmental microbiology reports

authors： Meyers GL,Jung KW,Bang S,Kim J,Kim S,Hong J,Cheong E,Kim KH,Bahn YS

更新日期：2017-06-01 00:00:00

abstract：:Pyrrolysine (Pyl), the 22nd canonical amino acid, is only decoded and synthesized by a limited number of organisms in the domains Archaea and Bacteria. Pyl is encoded by the amber codon UAG, typically a stop codon. To date, all known Pyl-decoding archaea are able to carry out methylotrophic methanogenesis. The functio...

journal_title：Environmental microbiology reports

authors： Guan Y,Haroon MF,Alam I,Ferry JG,Stingl U

更新日期：2017-08-01 00:00:00

abstract：:In this study, we developed and validated a culture-independent method for diversity surveys to specifically detect endospore-forming Firmicutes. The global transcription regulator of sporulation (spo0A) was identified as a gene marker for endospore-forming Firmicutes. To enable phylogenetic classification, we designe...

journal_title：Environmental microbiology reports

authors： Wunderlin T,Junier T,Roussel-Delif L,Jeanneret N,Junier P

更新日期：2013-12-01 00:00:00

abstract：:Amphibians are in decline as a result of habitat destruction, climate change and infectious diseases. Tadpoles are thought susceptible to infections because they are dependent on only an innate immune system (e.g. macrophages). This is because the frog adaptive immune system does not function until later stages of the...

journal_title：Environmental microbiology reports

authors： Chambouvet A,Valigurová A,Pinheiro LM,Richards TA,Jirků M

更新日期：2016-10-01 00:00:00

abstract：:In the last few years, geomicrobiologists have focused their researches on the nature and origin of enigmatic reticulated filaments reported in modern and fossil samples from limestone caves and basalt lava tubes. Researchers have posed questions on these filaments concerning their nature, origin, chemistry, morpholog...

journal_title：Environmental microbiology reports

authors： Miller AZ,Hernández-Mariné M,Jurado V,Dionísio A,Barquinha P,Fortunato E,Afonso MJ,Chaminé HI,Saiz-Jimenez C

更新日期：2012-12-01 00:00:00

abstract：:Magnetotactic bacteria are capable of aligning and swimming along the geomagnetic field lines; such a behaviour is called magnetotaxis. Previous studies reported that bacteria in the northern hemisphere migrate preferentially towards the North Pole of the Earth's magnetic field (north-seeking, NS), whereas those in th...

journal_title：Environmental microbiology reports

authors： Zhang WJ,Chen C,Li Y,Song T,Wu LF

更新日期：2010-10-01 00:00:00

abstract：:Although dissimilatory sulfate-reducing bacteria (SRB) are generally described as strictly anaerobic organisms with regard to growth, several reports have shown that some SRB, particularly Desulfovibrio species, are quite resistant to O2 . For example, SRB remain viable in many aerobic environments while some even red...

journal_title：Environmental microbiology reports

authors： Lefèvre CT,Howse PA,Schmidt ML,Sabaty M,Menguy N,Luther GW 3rd,Bazylinski DA

更新日期：2016-12-01 00:00:00

abstract：:Bacteria can manipulate their surrounding environment through the secretion of proteins into other living organisms and into the extracellular milieu. In Gram stain negative bacteria this process is mediated by different types of secretion systems from type I through type VI secretion system (T1SS-T6SS). In this study...

journal_title：Environmental microbiology reports

authors： Barret M,Egan F,O'Gara F

更新日期：2013-02-01 00:00:00

abstract：:Antibiotic resistance is a rising threat for human health. Although in clinical settings and terrestrial environments the rise of antibiotic resistant bacteria is well documented, their dissemination and spread in the marine environment, covering almost two-thirds of the Earth's surface, is still poorly understood. In...

journal_title：Environmental microbiology reports

authors： Di Cesare A,Petrin S,Fontaneto D,Losasso C,Eckert EM,Tassistro G,Borello A,Ricci A,Wilson WH,Pruzzo C,Vezzulli L

更新日期：2018-08-01 00:00:00

abstract：:KaiC protein is the pivotal component of the circadian clock in cyanobacteria. While KaiC family proteins are well-conserved throughout divergent phylogenetic lineages, studies of the physiological roles of KaiC proteins from other microorganisms have been limited. We examined the role of the KaiC proteins, KaiC1 and ...

journal_title：Environmental microbiology reports

authors： Iguchi H,Yoshida Y,Fujisawa K,Taga H,Yurimoto H,Oyama T,Sakai Y

更新日期：2018-12-01 00:00:00

abstract：:This study examined total uptake of extracellular polymeric substances (EPS) and glucose and the percentage of prokaryotic cells (Bacteria, Crenarchaea and Euryarchaea) consuming these compounds in the major water masses at the DYFAMED site (NW Mediterranean Sea). The potential assimilation rates of EPS at 10 m depth ...

journal_title：Environmental microbiology reports

authors： Boutrif M,Garel M,Cottrell MT,Tamburini C

更新日期：2011-12-01 00:00:00

abstract：:One-component systems (OCSs) and cytosolic two-component regulatory systems (TCSs) appear to share the same biological function, which consists in the transcriptional control in response to the cellular concentration of signal molecules. However, cytosolic TCSs as compared with OCSs represent a genetic and metabolic b...

journal_title：Environmental microbiology reports

authors： Krell T,Busch A,Lacal J,Silva-Jiménez H,Ramos JL

更新日期：2009-06-01 00:00:00

abstract：:Lack of the Pseudomonas putida PP2258 protein or its overexpression results in defective motility on solid media. The PP2258 protein is tripartite, possessing a PAS domain linked to two domains associated with turnover of c-di-GMP - a cyclic nucleotide that controls the switch between motile and sessile lifestyles. Th...

journal_title：Environmental microbiology reports

authors： Österberg S,Åberg A,Herrera Seitz MK,Wolf-Watz M,Shingler V

更新日期：2013-08-01 00:00:00

abstract：:Magnetotactic bacteria (MTB) biomineralize intracellular, membrane-bounded crystals of magnetite (Fe3 O4 ) and/or greigite (Fe3 S4 ) called magnetosomes. MTB play important roles in the geochemical cycling of iron, sulfur, nitrogen and carbon. Significantly, they also represent an intriguing model system not just for ...

journal_title：Environmental microbiology reports

authors： Lin W,Pan Y,Bazylinski DA

更新日期：2017-08-01 00:00:00

abstract：:The metabolism of cholesterol in Mycobacterium smegmatis mc(2) 155 has been investigated by using a microarray approach. The transcriptome of M. smegmatis growing in cholesterol was compared with that of cells growing in glycerol as the sole carbon and energy sources during the middle exponential phase. Microarray ana...

journal_title：Environmental microbiology reports

authors： Uhía I,Galán B,Kendall SL,Stoker NG,García JL

更新日期：2012-04-01 00:00:00

abstract：:Several bacterial strains of the Pseudomonas genus provide plant growth stimulation, plant protection against pests or bioremediation. Among these bacteria, P. fluorescens Pf29Arp reduces the severity of take-all, a disease caused by the pathogenic fungus Gaeumannomyces graminis var. tritici (Ggt) on wheat roots. In t...

journal_title：Environmental microbiology reports

authors： Marchi M,Boutin M,Gazengel K,Rispe C,Gauthier JP,Guillerm-Erckelboudt AY,Lebreton L,Barret M,Daval S,Sarniguet A

更新日期：2013-06-01 00:00:00

abstract：:'Bacterial consortium' sensu lato applies to mutualism or syntrophy-based systems consisting of unrelated bacteria. Consortia of cyanobacteria have been preferentially studied on Anabaena epibioses; non-photosynthetic satellites of other filamentous or unicellular cyanobacteria were also considered although structure-...

journal_title：Environmental microbiology reports

authors： Velichko N,Chernyaeva E,Averina S,Gavrilova O,Lapidus A,Pinevich A

更新日期：2015-08-01 00:00:00

abstract：:Although cyanobacterial diazotrophs are common in Arctic terrestrial and freshwater habitats, they have been assumed to be absent from Arctic marine habitats. We report here a high diversity of cyanobacterial nifH genes in Fram Strait and the Greenland Sea. The nifH gene encodes the iron protein of the nitrogenase enz...

journal_title：Environmental microbiology reports

authors： Díez B,Bergman B,Pedrós-Alió C,Antó M,Snoeijs P

更新日期：2012-06-01 00:00:00

abstract：:Solar panels located on high (Arctic and Antarctic) latitudes combine the harshness of the climate with that of the solar exposure. We report here that these polar solar panels are inhabited by similar microbial communities in taxonomic terms, dominated by Hymenobacter spp., Sphingomonas spp. and Ascomycota. Our resul...

journal_title：Environmental microbiology reports

authors： Tanner K,Martí JM,Belliure J,Fernández-Méndez M,Molina-Menor E,Peretó J,Porcar M

更新日期：2018-02-01 00:00:00

abstract：:The particulate methane monooxygenase (pMMO) in Methylocystis strain SB2 was found to be constitutively expressed in the absence of methane when the strain was grown on either acetate or ethanol. Real-time quantitative polymerase chain reaction (PCR) and reverse transcription-PCR showed that the expression of pmoA dec...

journal_title：Environmental microbiology reports

authors： Yoon S,Im J,Bandow N,Dispirito AA,Semrau JD

更新日期：2011-04-01 00:00:00

abstract：:Many species in the order Bacillales form a specialized cell type called a spore that is resistant to a range of environmental stresses. Transmission electron microscopy (TEM) reveals that the spore is comprised of a series of concentric shells, surrounding an interior compartment harbouring the spore DNA. The outermo...

journal_title：Environmental microbiology reports

authors： de Andrade Cavalcante D,De-Souza MT,de Orem JC,de Magalhães MIA,Martins PH,Boone TJ,Castillo JA,Driks A

更新日期：2019-04-01 00:00:00

abstract：:Aspergillus fumigatus and free-living amoebae are common inhabitants of soil. Mechanisms of A. fumigatus to circumvent the amoeba's digestion may facilitate overcoming the vertebrate macrophage defence mechanisms. We performed co-culture experiments using A. fumigatus conidia and the amoeba Acanthamoeba castellanii. A...

journal_title：Environmental microbiology reports

authors： Van Waeyenberghe L,Baré J,Pasmans F,Claeys M,Bert W,Haesebrouck F,Houf K,Martel A

更新日期：2013-12-01 00:00:00