Mechanisms underlining Kelp (Saccharina japonica) adaptation to relative high seawater temperature
文献类型： 外文期刊
作者： Guo, Li 1 ; Li, Xiaojie 2 ; Chen, Shuxiu 3 ; Li, Yan 2 ; Wang, Weiwei 3 ; Luo, Shiju 2 ; Jiang, Liming 2 ; Liu, Hang 1 ; Pan, Xiaohui 1 ; Zong, Yanan 1 ; Feng, Leili 1 ; Liu, Fuli 1 ; Zhang, Linan 6 ; Bi, Guiqi 7 ; Yang, Guanpin 1 ;
作者机构： 1.OUC, Coll Marine Life Sci, Qingdao 266003, Peoples R China
2.Shandong Oriental Ocean Scitech Co Ltd, Shandong Technol Innovat Ctr Algae & Sea Cucumber, Yantai 264003, Shandong, Peoples R China
3.Shandong Oriental Ocean Sci Tech Co Ltd, Prov Key Lab Marine Seed Ind Shandong, Yantai 264003, Shandong, Peoples R China
4.Yantai Marine Econ Res Inst, Yantai 264006, Shandong, Peoples R China
5.OUC, Minist Educ, Key Lab Marine Genet & Breeding, Qingdao 266003, Peoples R China
6.Qingdao Agr Univ, Sch Marine Sci & Engn, Qingdao 266109, Peoples R China
7.Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Agr Genom Inst Shenzhen, Key Lab Synthet Biol, Shenzhen 518120, Peoples R China
8.Ocean Univ China, Coll Marine Life Sci, Prov Key Lab Marine Seed Ind Shandong, Qingdao 266003, Shandong, Peoples R China
9.OUC, Inst Evolut, Qingdao 266003, Peoples R China
10.OUC, Inst Marine Bioaffiliationers, Qingdao 266003, Peoples R China
关键词： Saccharina japonica; High seawater temperature; Acclimation; Adaptation; Genome assembly; Genome wide association analysis; Transcriptomic analysis
期刊名称：BMC GENOMICS （ 影响因子：3.7； 五年影响因子：4.2 ）
ISSN： 1471-2164
年卷期： 2025 年 26 卷 1 期
页码：
收录情况： SCI
摘要： Saccharina japonica has been cultivated in China for almost a century. From Dalian to Fujian, the lowest and the highest seawater temperatures in the period of cultivation increased by 14 degrees C and 8 degrees C, respectively. Its adaptation to elevated seawater temperature is an example of securing the natural habitats of a species. To decipher the mechanisms underlining S. japonica adaptation to relative high seawater temperature, we assembled similar to 516.3 Mb female gametophyte genome and similar to 540.3 Mb of the male, respectively. The gametophytes isolated from southern China kelp cultivars acclimated to the relative high seawater temperature by transforming amino acids, glycosylating protein, maintaining osmotic pressure, intensifying the innate immune system, and exhausting energy and reduction power through the PEP-pyruvate-oxaloacetate node and the iodine cycle. They adapted to the relative high seawater temperature by transforming amino acids, changing sugar metabolism and intensifying innate immune system. The sex of S. japonica was determined by HMG-sex, and around this male gametophyte determiner the stress tolerant genes become linked to or associated with.
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