Genomic Expansion of Domain Archaea Highlights Roles for Organisms from New Phyla in Anaerobic Carbon Cycling
Cindy J. Castelle,Kelly C. Wrighton,Brian C. Thomas,Laura A. Hug,Christopher T. Brown,Michael J. Wilkins,Kyle R. Frischkorn,Susannah G. Tringe,Andrea Singh,Lye Meng Markillie,Ronald C. Taylor,Kenneth H. Williams,Jillian F. Banfield +12 more
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TLDR
This study sequenced DNA from complex sediment and planktonic consortia from an aquifer adjacent to the Colorado River and reconstructed the first complete genomes for Archaea using cultivation-independent methods, which dramatically expand genomic sampling of the domain Archaea and clarify taxonomic designations within a major superphylum.About:
This article is published in Current Biology.The article was published on 2015-03-16 and is currently open access. It has received 463 citations till now. The article focuses on the topics: Nanohaloarchaea & Phylum.read more
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Organic Matter Type Defines the Composition of Active Microbial Communities Originating From Anoxic Baltic Sea Sediments
Saara Suominen,Daan M. van Vliet,Irene Sánchez-Andrea,Marcel T J van der Meer,Jaap S. Sinninghe Damsté,Laura Villanueva +5 more
TL;DR: In this article, the authors compared changes in the sediment microbial community, after incubation with different stable isotope labeled organic matter types (i.e., particulate algal organic matter (PAOM), protein, and acetate), by using DNA-SIP, and revealed niche specialization at the order level for the most important initial degraders in anoxic sediments.
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Inter-domain horizontal gene transfer of nickel-binding superoxide dismutase.
TL;DR: In this article, the authors examined the phylogenetic history of the protein sequence encoding for the nickel-binding metallo-form of the SOD enzyme (SodN) and found that the sodN gene is widespread and characterized by apparent vertical gene transfer in some sediment- or soil-associated lineages within the Actinobacteriota and Chloroflexota phyla, suggesting the ancestral sodN likely originated in one of these clades before expanding its taxonomic and biogeographic distribution to additional microbial groups in the surface ocean.
Journal ArticleDOI
Impact of submarine groundwater discharge on biogeochemistry and microbial communities in pockmarks
Lotta Purkamo,Catia Milene Ehlert Von-Ahn,Tom Jilbert,Muhammad Muniruzzaman,Hermann W. Bange,Anna Jenner,Michael Ernst Böttcher,Joonas J. Virtasalo +7 more
TL;DR: In this article , the authors investigated biogeochemical processes and microbial community structure in sediment cores from three pockmarks in Hanko, Finland, in the northern Baltic Sea, and found that the porewater system in the inactive pockmark is dominated by diffusion, leading to orders of magnitude higher metabolite concentrations at depth compared to the active pockmarked.
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Microbial diversity of a closed salt lagoon in the Puertecitos area, Upper Gulf of California
Jessica A. Kozlowski,Markes E. Johnson,Jorge Ledesma-Vázquez,Daniel Birgel,Jörn Peckmann,Christa Schleper +5 more
TL;DR: The Laguna Volcan Prieto, located 20 km south of Puertecitos on the Baja California Peninsula, Mexico, is a salt-crusted lagoon with a surface area of approximately 265,000 m2 that is isolated from the adjacent Upper Gulf of California by a 50m wide berm as discussed by the authors.
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The importance of biofilm formation for cultivation of a Micrarchaeon and its interactions with its Thermoplasmatales host
Susanne Krause,Sabrina Gfrerer,Andriko von Kügelgen,Carsten Reuse,Nina Dombrowski,Laura Villanueva,Boyke Bunk,Cathrin Spröer,Thomas R. Neu,Ute Kuhlicke,Kerstin Schmidt-Hohagen,Karsten Hiller,Tanmay A.M. Bharat,Reinhard Rachel,Anja Spang,Johannes Gescher +15 more
TL;DR: In this article , a stable co-culture of a member of the Micrarchaeota (Ca. harzensis) together with its Thermoplasmatales host (C. Scheffleriplasma hospitalis) was reported.
References
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