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Environmental Microbiology Reports

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https://www.readbyqxmd.com/read/27907979/conceptual-and-methodological-advances-for-holobiont-research
#1
Nicole S Webster
No abstract text is available yet for this article.
December 1, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27897429/temporal-variability-of-bacterial-communities-in-cryoconite-on-an-alpine-glacier
#2
Andrea Franzetti, Federico Navarra, Ilario Tagliaferri, Isabella Gandolfi, Giuseppina Bestetti, Umberto Minora, Roberto Sergio Azzoni, Guglielmina Diolaiuti, Claudio Smiraglia, Roberto Ambrosini
Cryoconite holes, i.e. small ponds that form on glacier surface, are considered the most biologically active environments on glaciers. Bacterial communities in these environments have been extensively studied, but often through snapshot studies based on the assumption of a general stability of community structure. In this study, we investigated the temporal variation of bacterial communities in cryoconite holes on the Forni Glacier (Italian Alps) by high throughput DNA sequencing. We found a temporal change of bacterial communities, with autotrophic Cyanobacteria populations dominating communities after snowmelt, and heterotrophic Sphingobacteriales populations increasing in abundance later in the season...
November 29, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27897382/environmental-vibrios-%C3%A2-a-walk-on-the-wild-side-%C3%A2
#3
Frédérique Le Roux
No abstract text is available yet for this article.
November 29, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27897379/microbiomes-metabolic-errors-and-detection-of-performance-enhancing-drug-abuse-1-2
#4
Kenneth Timmis, James Kenneth Timmis
No abstract text is available yet for this article.
November 29, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27897378/subcellular-clustering-of-a-putative-c-di-gmp-dependent-exopolysaccharide-machinery-affecting-macro-colony-architecture-in-bacillus-subtilis
#5
Patricia Bedrunka, Peter L Graumann
The structure of bacterial biofilms is predominantly established through the secretion of extracellular polymeric substances (EPS). We show that Bacillus subtilis contains an operon (ydaJ-N) whose induction leads to increased Congo Red staining of biofilms and strongly altered biofilm architecture, suggesting that it mediates the production of an unknown exopolysaccharide. Supporting this idea, overproduction of YdaJKLMN leads to cell clumping during exponential growth in liquid culture, and also causes colony morphology alterations in wild type cells, as well as in a mutant background lacking the major exopolysaccharide of B...
November 29, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27894162/partitioning-the-effects-of-mating-and-nuptial-feeding-on-the-microbiome-in-gift-giving-insects
#6
Chad C Smith, Robert B Srygley, Emma I Dietrich, Ulrich G Mueller
Mating is a ubiquitous social interaction with the potential to influence the microbiome by facilitating transmission, modifying host physiology, and in species where males donate nuptial gifts to females, altering diet. We manipulated mating and nuptial gift consumption in two insects that differ in nuptial gift size, the Mormon cricket Anabrus simplex and the decorated cricket Gryllodes sigillatus, with the expectation that larger gifts are more likely to affect the gut microbiome. Surprisingly, mating, but not nuptial gift consumption, affected the structure of bacterial communities in the gut, and only in Mormon crickets...
November 28, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27894159/phylogenetic-and-ecological-diversity-of-apusomonads-a-lineage-of-deep-branching-eukaryotes
#7
Guifré Torruella, David Moreira, Purificación López-García
Apusomonads are a mysterious group of heterotrophic gliding biflagellates branching deeply in the eukaryotic tree of life as sister group to opisthokonts (including animals, fungi and a variety of unicellular protists). Despite their evolutionary interest, their diversity and ecology remain largely unknown, with very few described species and environmental sequences in databases. Most environmental 18S rRNA gene-based studies generally fail to identify apusomonad sequences, which might be due to primer bias, low abundance and/or to the fact that their biotopes remain poorly explored...
November 28, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27893193/the-oil-contaminated-soil-diazotroph-azoarcus-olearius-dqs-4-t-is-genetically-and-phenotypically-similar-to-the-model-grass-endophyte-azoarcus-sp-bh72
#8
Helisson Faoro, Rodrigo Rene Menegazzo, Federico Battistoni, Prasad Gyaneshwar, Fernanda P do Amaral, Cecilia Taulé, Sydnee Rausch, Patricia Gonçalves Galvão, Cecilia de Los Santos, Shubhajit Mitra, Gabriela Heijo, Shih-Yi Sheu, Wen-Ming Chen, Cintia Mareque, Michelle Zibetti Tadra-Sfeir, J Ivo Baldani, Marta Maluk, Ana Paula Guimarães, Gary Stacey, Emanuel M de Souza, Fabio O Pedrosa, Leonardo Magalhães Cruz, Euan K James
The genome of Azoarcus olearius DQS-4(T) , a N2 -fixing Betaproteobacterium isolated from oil-contaminated soil in Taiwan, was sequenced and compared with other Azoarcus strains. The genome sequence showed high synteny with Azoarcus sp. BH72, a model endophytic diazotroph, but low synteny with five non-plant-associated strains (Azoarcus CIB, Azoarcus EBN1, Azoarcus KH32C, A. toluclasticus MF63(T) and Azoarcus PA01). Average Nucleotide Identity (ANI) revealed that DQS-4(T) shares 98.98% identity with Azoarcus BH72, which should now be included in the species A...
November 28, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27888579/non-target-effects-of-fungicides-on-nectar-inhabiting-fungi-of-almond-flowers
#9
Robert N Schaeffer, Rachel L Vannette, Claire Brittain, Neal M Williams, Tadashi Fukami
Nectar mediates interactions between plants and pollinators in natural and agricultural systems. Specialized microorganisms are common nectar inhabitants, and potentially important mediators of plant-pollinator interactions. However, their diversity and role in mediating pollination services in agricultural systems are poorly characterized. Moreover, agrochemicals are commonly applied to minimize crop damage, but may present ecological consequences for non-target organisms. Assessment of ecological risk has tended to focus on beneficial macroorganisms such as pollinators, with less attention paid to microorganisms...
November 26, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27888577/viral-ecology-comes-of-age
#10
Matthew B Sullivan, Joshua S Weitz, Steven Wilhelm
No abstract text is available yet for this article.
November 26, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27886661/bacterial-diversity-shift-determined-by-different-diets-in-the-gut-of-the-spotted-wing-fly-drosophila-suzukii-is-primarily-reflected-on-acetic-acid-bacteria
#11
Violetta Vacchini, Elena Gonella, Elena Crotti, Erica M Prosdocimi, Fabio Mazzetto, Bessem Chouaia, Matteo Callegari, Francesca Mapelli, Mauro Mandrioli, Alberto Alma, Daniele Daffonchio
The pivotal role of diet in shaping gut microbiota has been evaluated in different animal models, including insects. Drosophila flies harbour an inconstant microbiota among which acetic acid bacteria (AAB) are important components. Here, we investigated the bacterial and AAB components of the invasive pest Drosophila suzukii microbiota, by studying the same insect population separately grown on fruit-based or non-fruit artificial diet. AAB were highly prevalent in the gut under both diets (90 and 92% infection rates with fruits and artificial diet, respectively)...
November 25, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27886654/essential-role-of-k-uptake-permease-kup-for-resistance-to-sucrose-induced-stress-in-gluconacetobacter-diazotrophicus-pal-5
#12
Marcos V V de Oliveira, Aline C Intorne, Luciano de, S Vespoli, Leandro F Andrade, Leandro de, M Pereira, Patrícia L Rangel, Gonçalo A de Souza Filho
Microorganisms are constantly challenged by stressful conditions, such as sugar-rich environments. Such environments can cause an imbalance of biochemical activities and compromise cell multiplication. Gluconacetobacter diazotrophicus PAl 5 is among the most sugar-tolerant bacteria, capable of growing in the presence of up to 876 mM sucrose. However, the molecular mechanisms involved in its response to high sucrose remain unknown. The present work aimed to identify sucrose-induced stress resistance genes in G...
November 25, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27868380/microbiomes-metabolic-errors-and-detection-of-performance-enhancing-drug-abuse
#13
Kenneth Timmis, James Kenneth Timmis
No abstract text is available yet for this article.
November 21, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27860363/web-alert-microbial-nitrification
#14
Lawrence P Wackett
No abstract text is available yet for this article.
November 14, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27775875/accessories-make-the-microbe
#15
Lisa Y Stein
No abstract text is available yet for this article.
October 24, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27775868/migrating-ssu-rrna-gene-surveys-to-the-metagenomic-era
#16
Josh D Neufeld
No abstract text is available yet for this article.
October 24, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27775862/embracing-the-mantra-of-modelers-and-synthesizing-omics-experiments-and-models
#17
Gregory J Dick
No abstract text is available yet for this article.
October 24, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27759951/a-particularly-useful-system-to-study-the-ecology-of-microbes
#18
Otto X Cordero, Roman Stocker
No abstract text is available yet for this article.
October 19, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27756116/cellulosomes-and-designer-cellulosomes-why-toy-with-nature
#19
Edward A Bayer
No abstract text is available yet for this article.
October 18, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27753265/nitrate-and-nitrite-dependent-anaerobic-oxidation-of-methane
#20
REVIEW
Cornelia U Welte, Olivia Rasigraf, Annika Vaksmaa, Wouter Versantvoort, Arslan Arshad, Huub J M Op den Camp, Mike S M Jetten, Claudia Lüke, Joachim Reimann
Microbial methane oxidation is an important process to reduce the emission of the greenhouse gas methane. Anaerobic microorganisms couple the oxidation of methane to the reduction of sulfate, nitrate and nitrite, and possibly oxidized iron and manganese minerals. In this article, we review the recent finding of the intriguing nitrate- and nitrite-dependent anaerobic oxidation of methane (AOM). Nitrate-dependent AOM is catalyzed by anaerobic archaea belonging to the ANME-2d clade closely related to Methanosarcina methanogens...
October 18, 2016: Environmental Microbiology Reports
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