Phylogeny and Metabolic Potential of New Giant Sulfur Bacteria of the Family from Coastal-Marine Sulfur Mats of the White Sea

Overview

Journal Int J Mol Sci

Publisher MDPI

Specialties Biochemistry
Chemistry
Molecular Biology

Date 2024 Jun 19

PMID 38892213

Authors

Nikolai V Ravin

Tatyana S Rudenko

Alexey V Beletsky

Dmitry D Smolyakov

Andrey V Mardanov

Margarita Yu Grabovich

Maria S Muntyan

Affiliations

Soon will be listed here.

Abstract

The family is currently represented by 25 genera in the Genome Taxonomy Database, of which only 6 have a definite taxonomic status. Two metagenome-assembled genomes (MAGs), WS_Bin1 and WS_Bin3, were assembled from metagenomes of the sulfur mats coating laminaria remnants in the White Sea. Using the obtained MAGs, we first applied phylogenetic analysis based on whole-genome sequences to address the systematics of , which clarify the taxonomy of this family. According to the average nucleotide identity (ANI) and average amino acid identity (AAI) values, MAG WS_Bin3 was assigned to a new genus and a new species in the family , namely, ' Albibeggiatoa psychrophila' gen. nov., sp. nov., thus providing the revised taxonomic status of the candidate genus 'BB20'. Analysis of 16S rRNA gene homology allowed us to identify MAG WS_Bin1 as the only currently described species of the genus ' Parabeggiatoa', namely, ' Parabeggiatoa communis', and consequently assign the candidate genus 'UBA10656', including four new species, to the genus '. Parabeggiatoa'. Using comparative whole-genome analysis of the members of the genera ' Albibeggiatoa' and '. Parabeggiatoa', we expanded information on the central pathways of carbon, sulfur and nitrogen metabolism in the family .

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