Genetic adaptations of sea anemone to hydrothermal environment-Reference-Cited by-同舟云学术

Genetic adaptations of sea anemone to hydrothermal environment

Published:2023-10-20 Issue:42 Volume:9 Page:
ISSN:2375-2548
Container-title:Science Advances
language:en
Short-container-title:Sci. Adv.

Author:

Zhou Yang¹^ORCID,Liu Helu¹^ORCID,Feng Chenguang²^ORCID,Lu Zaiqing³^ORCID,Liu Jun¹^ORCID,Huang Yanan¹⁴^ORCID,Tang Huanhuan⁵^ORCID,Xu Zehui¹⁴,Pu Yujin¹⁴^ORCID,Zhang Haibin¹^ORCID

Affiliation:

1. Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China.

2. School of Ecology and Environment, Northwestern Polytechnical University, Xi’an 710129, China.

3. Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China.

4. University of Chinese Academy of Sciences, Beijing 100049, China.

5. Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570102, China.

Abstract

Hydrothermal vent habitats are characterized by high hydrostatic pressure, darkness, and the continuous release of toxic metal ions into the surrounding environment where sea anemones and other invertebrates thrive. Nevertheless, the understanding of metazoan metal ion tolerances and environmental adaptations remains limited. We assembled a chromosome-level genome for the vent sea anemone, Alvinactis idsseensis sp. nov. Comparative genomic analyses revealed gene family expansions and gene innovations in A. idsseensis sp. nov. as a response to high concentrations of metal ions. Impressively, the metal tolerance proteins MTPs is a unique evolutionary response to the high concentrations of Fe 2+ and Mn 2+ present in the environments of these anemones. We also found genes associated with high concentrations of polyunsaturated fatty acids that may respond to high hydrostatic pressure and found sensory and circadian rhythm–regulated genes that were essential for adaptations to darkness. Overall, our results provide insights into metazoan adaptation to metal ions, high pressure, and darkness in hydrothermal vents.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Link

https://www.science.org/doi/pdf/10.1126/sciadv.adh0474

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