Genus-wide comparison of Pseudovibrio bacterial genomes reveal diverse adaptations to different marine invertebrate hosts

PloS One
Anoop Alex, Agostinho Antunes

Abstract

Bacteria belonging to the genus Pseudovibrio have been frequently found in association with a wide variety of marine eukaryotic invertebrate hosts, indicative of their versatile and symbiotic lifestyle. A recent comparison of the sponge-associated Pseudovibrio genomes has shed light on the mechanisms influencing a successful symbiotic association with sponges. In contrast, the genomic architecture of Pseudovibrio bacteria associated with other marine hosts has received less attention. Here, we performed genus-wide comparative analyses of 18 Pseudovibrio isolated from sponges, coral, tunicates, flatworm, and seawater. The analyses revealed a certain degree of commonality among the majority of sponge- and coral-associated bacteria. Isolates from other marine invertebrate host, tunicates, exhibited a genetic repertoire for cold adaptation and specific metabolic abilities including mucin degradation in the Antarctic tunicate-associated bacterium Pseudovibrio sp. Tun.PHSC04_5.I4. Reductive genome evolution was simultaneously detected in the flatworm-associated bacteria and the sponge-associated bacterium P. axinellae AD2, through the loss of major secretion systems (type III/VI) and virulence/symbioses factors such as proteins invol...Continue Reading

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Citations

Mar 7, 2020·Frontiers in Microbiology·Johanna GutlebenDetmer Sipkema
Jul 3, 2021·Marine Drugs·Ton That Huu DatDetmer Sipkema
Jul 26, 2021·Ecotoxicology and Environmental Safety·Shani ShohamMicha Ilan

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Methods Mentioned

BETA
restriction modification
restriction-modification
environmental stress

Software Mentioned

Prokka
RPS
BLASTP
hmmscan
EMBOSS
HOMOLOGUES
MultiGeneBlast
AMPHORA2
PHASTER
PhyML

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