한빛사논문
- 조회435
Haena Kwak 1,6, Damin Lee 1,6, Yukyung Kim 1, Joohee Park 1, Heeseung Yeum 2, Donghee Kim 2, Yun-Wei Dong 3, Tomoyuki Nakano 4, Choongwon Jeong 2 & Joong-Ki Park 1,5
1Division of EcoScience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea.
2School of Biological Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea.
3Fisheries College, Ocean University of China, 5 Yushan Road, Qingdao, China.
4Seto Marine Biological Laboratory, Kyoto University, 459 Shirahama, Nishimuro, Wakayama, 649-2211, Japan.
5Natural History Museum, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea.
6These authors contributed equally: Haena Kwak, Damin Lee.
Corresponding author : Correspondence to Joong-Ki Park.
Abstract
Ellobium chinense is an airbreathing, pulmonate gastropod species that inhabits saltmarshes in estuaries of the northwestern Pacific. Due to a rapid population decline and their unique ecological niche in estuarine ecosystems, this species has attracted special attention regarding their conservation and the genomic basis of adaptation to frequently changing environments. Here we report a draft genome assembly of E. chinense with a total size of 949.470 Mb and a scaffold N50 of 1.465 Mb. Comparative genomic analysis revealed that the GO terms enriched among four gastropod species are related to signal transduction involved in maintaining electrochemical gradients across the cell membrane. Population genomic analysis using the MSMC model for 14 re-sequenced individuals revealed a drastic decline in Korean and Japanese populations during the last glacial period, while the southern Chinese population retained a much larger effective population size (Ne). These contrasting demographic changes might be attributed to multiple environmental factors during the glacial-interglacial cycles. This study provides valuable genomic resources for understanding adaptation and historical demographic responses to climate change.
논문정보
- Research article
- 2024년 01월 (BRIC 등록일 2024-01-11)
- 국내 연구진
- 생명과학 > 분류/생태/환경생물학
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