Metagenome Sequencing and 982 Microbial Genomes from Kermadec and Diamantina Trenches Sediments

Overview

Journal Sci Data

Specialty Science

Date 2024 Oct 1

PMID 39354003

Authors

Yingdong Li

Hao Liu

Yao Xiao

Hongmei Jing

Affiliations

Soon will be listed here.

Abstract

Deep-sea trenches representing an intriguing ecosystem for exploring the survival and evolutionary strategies of microbial communities in the highly specialized deep-sea environments. Here, 29 metagenomes were obtained from sediment samples collected from Kermadec and Diamantina trenches. Notably, those samples covered a varying sampling depths (from 5321 m to 9415 m) and distinct layers within the sediment itself (from 0~40 cm in Kermadec trench and 0~24 cm in Diamantina trench). Through metagenomic binning process, we reconstructed 982 metagenome assembled genomes (MAGs) with completeness >60% and contamination <5%. Within them, completeness of 351 MAGs were >90%, while an additional 331 were >80%. Phylogenomic analysis for the MAGs revealed nearly all of them were distantly related to known cultivated isolates. The abundant bacterial MAGs affiliated to phyla of Proteobacteria, Planctomycetota, Nitrospirota, Acidobacteriota, Actinobacteriota, and Chlorofexota, while the abundant archaeal phyla affiliated with Nanoarchaeota and Thermoproteota. These results provide a dataset available for further interrogation of diversity, distribution and ecological function of deep-sea microbes existed in the trenches.

Citing Articles

Metagenome sequencing and 982 microbial genomes from Kermadec and Diamantina Trenches sediments.

Li Y, Liu H, Xiao Y, Jing H Sci Data. 2024; 11(1):1067.

PMID: 39354003 PMC: 11445380. DOI: 10.1038/s41597-024-03902-z.

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