1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
2. University of Chinese Academy of Sciences, Beijing 101408, China
3. Laboratory of Deep-Sea Microbial Cell Biology, Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China
4. International Associated Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms, CNRS-Marseille/CAS-Sanya, Sanya 572000, China
5. Institution of Deep-sea Life Sciences, IDSSE-BGI, Hainan Deep-sea Technology Laboratory, Sanya 572000, China
6. LCB, Aix Marseille University and CNRS, 13402 Marseille, France
7. Marine Biology Research Division, Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093, USA