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Genomic Insights Into the Lifestyles of Thaumarchaeota Inside Sponges
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SYSNO ASEP 0552458 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Genomic Insights Into the Lifestyles of Thaumarchaeota Inside Sponges Author(s) Haber, Markus (BC-A) RID
Burgsdorf, I. (IL)
Handley, K.M. (NZ)
Rubin-Blum, M. (IL)
Steindler, L. (IL)Number of authors 5 Article number 622824 Source Title Frontiers in Microbiology. - : Frontiers Research Foundation - ISSN 1664-302X
Roč. 11, 11 January 2021 (2021)Number of pages 18 s. Language eng - English Country CH - Switzerland Keywords sponge (Porifera) ; archaea ; thaumarchaeota ; symbiosis ; Petrosia ficiformis ; Theonella swinhoei ; Hymedesmia (Stylopus) methanophila Subject RIV EE - Microbiology, Virology OECD category Microbiology Method of publishing Open access Institutional support BC-A - RVO:60077344 UT WOS 000613347600001 EID SCOPUS 85100556572 DOI 10.3389/fmicb.2020.622824 Annotation Sponges are among the oldest metazoans and their success is partly due to their abundant and diverse microbial symbionts. They are one of the few animals that have Thaumarchaeota symbionts. Here we compare genomes of 11 Thaumarchaeota sponge symbionts, including three new genomes, to free-living ones. Like their free-living counterparts, sponge-associated Thaumarchaeota can oxidize ammonia, fix carbon, and produce several vitamins. Adaptions to life inside the sponge host include enrichment in transposases, toxin-antitoxin systems and restriction modifications systems, enrichments previously reported also from bacterial sponge symbionts. Most thaumarchaeal sponge symbionts lost the ability to synthesize rhamnose, which likely alters their cell surface and allows them to evade digestion by the host. All but one archaeal sponge symbiont encoded a high-affinity, branched-chain amino acid transporter system that was absent from the analyzed free-living thaumarchaeota suggesting a mixotrophic lifestyle for the sponge symbionts. Most of the other unique features found in sponge-associated Thaumarchaeota, were limited to only a few specific symbionts. These features included the presence of exopolyphosphatases and a glycine cleavage system found in the novel genomes. Thaumarchaeota have thus likely highly specific interactions with their sponge host, which is supported by the limited number of host sponge species to which each of these symbionts is restricted. Workplace Biology Centre (since 2006) Contact Dana Hypšová, eje@eje.cz, Tel.: 387 775 214 Year of Publishing 2022 Electronic address https://doi.org/10.3389/fmicb.2020.622824
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