Comparative Genome and Evolution Analyses of an Endangered Stony Coral Species Dendrophyllia cribrosa Near Dokdo Islands in the East Sea
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Title
- Comparative Genome and Evolution Analyses of an Endangered Stony Coral Species Dendrophyllia cribrosa Near Dokdo Islands in the East Sea
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Author(s)
- Kim, Jungeun; Choi, Jae Pil; Kim, Min Sun; Jo, Ye Jin; Min, Won Gi; Woo, Seon Ock; Yum, Seung Shic; Bhak, Jong
- KIOST Author(s)
- Jo, Ye Jin(조예진); Min, Won Gi(민원기); Woo, Seon Ock(우선옥); Yum, Seung Shic(염승식)
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Alternative Author(s)
- 조예진; 민원기; 우선옥; 염승식
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Publication Year
- 2022-09
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Abstract
- Stony corals often harbor intracellular photosynthetic dinoflagellate algae that receive dissolved inorganic nutrients. However, Dendrophyllia cribrosa is a nonsymbiotic stony coral distributed in the western Pacific. We assembled a chromosome-level D. cribrosa genome using PacBio and Hi-C technologies. The final assembly was 625 Mb, distributed on 14 chromosomes, and contained 30,493 protein-coding genes. The Benchmarking Universal Single-Copy Orthologs analysis revealed a percentage of 96.8 of the metazoan genome. A comparative phylogenetic analysis revealed that D. cribrosa, which lacks symbionts, evolved to acquire cellular energy by expanding genes related to acyl-CoA metabolism and carbohydrate transporters. This species also has expanded immune-related genes involved in the receptor protein tyrosine kinase signaling pathway. In addition, we observed a specific expansion of calcification genes, such as coral acid-rich proteins and carbonic anhydrase, in D. cribrosa. This high-quality reference genome and comparative analysis provides insights into the ecology and evolution of nonsymbiotic stony corals.
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ISSN
- 1759-6653
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/43161
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DOI
- 10.1093/gbe/evac132
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Bibliographic Citation
- Genome Biology and Evolution, v.14, no.9, 2022
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Publisher
- Oxford University Press
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Keywords
- Dendrophyllia cribrosa; comparative genome; comparative evolution; stony coral; chromosome-level assembly
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Type
- Article
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Language
- English
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Document Type
- Article
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