Funding for this research was provided by:
the Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology (No. MGQNLM-TD201810)
National Key R&D Program of China (2018YFA0605800)
the National Natural Science Foundation (91851210, 41530105, 41673073)
Shenzhen Key Laboratory of Marine Archaea Geo-Omics (ZDSYS201802081843490)
Received: 2 January 2020
Accepted: 6 January 2020
First Online: 22 January 2020
Ethics approval and consent to participate
: This article does not contain any studies with human participants or animals performed by any of the authors.
: The authors declare that they have no competing interests.