Novel insights into the Thaumarchaeota in the deepest oceans: their metabolism and potential adaptation mechanisms.

ABSTRACT:

Background

Marine Group I (MGI) Thaumarchaeota, which play key roles in the global biogeochemical cycling of nitrogen and carbon (ammonia oxidizers), thrive in the aphotic deep sea with massive populations. Recent studies have revealed that MGI Thaumarchaeota were present in the deepest part of oceans-the hadal zone (depth > 6000 m, consisting almost entirely of trenches), with the predominant phylotype being distinct from that in the "shallower" deep sea. However, little is known about the metabolism and distribution of these ammonia oxidizers in the hadal water.

Results

In this study, metagenomic data were obtained from 0-10,500 m deep seawater samples from the Mariana Trench. The distribution patterns of Thaumarchaeota derived from metagenomics and 16S rRNA gene sequencin

SUBMITTER: Zhong H 

PROVIDER: S-EPMC7265257 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature