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Artificial interspecific hybridization of two giant clams, Tridacna squamosa and Tridacna crocea, in the south China sea

文献类型：期刊论文

作者Zhou, Zihua1,2,4; Li, Jun1,4; Ma, Haitao1,4; Qin, Yanping1,4; Zhou, Yinyin1,2,4; Wei, Jinkuan1,4; Deng, Yaping1,4; Li, Xingyou1,2,4; Xiao, Shu1,4; Xiang, Zhiming1,4
刊名AQUACULTURE
出版日期2020
卷号515页码:734581
关键词Tridacna squamosa Tridacna crocea Interspecific hybridization Phenotypic traits Heterosis
ISSN号0044-8486
DOI10.1016/j.aquaculture.2019.734581
英文摘要Interspecific hybridization has been used as an important tool for genetic manipulation in mollusks, with the aim to produce a new species with desirable traits from both the parental species. A two by two factorial cross between sympatric giant clam species, the fluted giant clam, Tridacna squamosa (S) and the boring clam, Tridacan crocea (C), yielded hybrids that were fast growing (characteristic of the S) and had brightly colored mantles (characteristic of C). Reciprocal hybrids (SC and CS) were obtained by the acceptable level of fertilization and hatching rate compared to these of two parental species, and the survival rate of the hybrids was significantly higher than that of the parental species. Yearling hybrids exhibited fully developed gonads and normal gametogenesis when sexually mature. Relative to CC, CS and SC also showed significant growth advantages in shell length and wet weight. The shell morphology of the hybrids was mainly dictated by maternal effect, while mantle coloration was dictated by paternal effect for SC progeny and parental effect for CS progeny. Our results revealed that reciprocal hybrids exhibited great growth heterosis and survival advantage (compared to C), as well as better mantle colors. Thus, these hybrids have great potential for application in the aquarium market and aquaculture industries across the globe.
资助机构National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31872566]; Strategic Pilot Project of the Chinese Academy of Sciences [XDA13020200]; Chinese Ministry of Science and Technology through the National Key Research and Development Program of China [2018YFC1406505, 2018YFD0901400]; Open Foundation of State Key Laboratory of Loess and Quaternary Geology [SKLLQG1813]; Guangzhou City programs, Guangdong province, China [201803020047, 201804020073]; China Agricultural Shellfish Industry Technology System Project [CARS-49]; Science and Technology Planning Project of Guangdong Province, China [2017B030314052] ; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31872566]; Strategic Pilot Project of the Chinese Academy of Sciences [XDA13020200]; Chinese Ministry of Science and Technology through the National Key Research and Development Program of China [2018YFC1406505, 2018YFD0901400]; Open Foundation of State Key Laboratory of Loess and Quaternary Geology [SKLLQG1813]; Guangzhou City programs, Guangdong province, China [201803020047, 201804020073]; China Agricultural Shellfish Industry Technology System Project [CARS-49]; Science and Technology Planning Project of Guangdong Province, China [2017B030314052]
源URL[http://ir.scsio.ac.cn/handle/344004/18514]  
专题南海海洋研究所_中科院海洋生物资源可持续利用重点实验室
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangdong Prov Key Lab Appl Marine Biol, Guangzhou 510301, Guangdong, Peoples R China
3.Chinese Acad Sci, Innovat Acad South China Sea Ecol & Environm Engn, Guangzhou 510301, Guangdong, Peoples R China
4.Southern Marine Sci & Engn Guangdong Lab Guangzho, Guangzhou 510301, Guangdong, Peoples R China
推荐引用方式
GB/T 7714		 Zhou, Zihua,Li, Jun,Ma, Haitao,et al. Artificial interspecific hybridization of two giant clams, Tridacna squamosa and Tridacna crocea, in the south China sea[J]. AQUACULTURE,2020,515:734581.
APA Zhou, Zihua.,Li, Jun.,Ma, Haitao.,Qin, Yanping.,Zhou, Yinyin.,...&Yu, Ziniu.(2020).Artificial interspecific hybridization of two giant clams, Tridacna squamosa and Tridacna crocea, in the south China sea.AQUACULTURE,515,734581.
MLA Zhou, Zihua,et al."Artificial interspecific hybridization of two giant clams, Tridacna squamosa and Tridacna crocea, in the south China sea".AQUACULTURE 515(2020):734581.

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来源：南海海洋研究所

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