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Study on artificial induction, growth and gamete quality of mitogynogenetic turbot Scophthalmus maximus
Wu, Zhihao1,2; Wang, Lijuan1,2; Wu, Qiaowan1,2,3; Lu, Yunliang4; Song, Zongcheng5; Li, Jun1,2; You, Feng1,2
2020-01-15
发表期刊AQUACULTURE
ISSN0044-8486
卷号515页码:8
通讯作者You, Feng(youfeng@qdio.ac.cn)
摘要Artificial gynogenesis induction is one of the important techniques of chromosome manipulation. The eggs are fertilized with inactivated sperm to prevent the inheritance from the paternal genome, and genome information of the offspring is totally contributed by the maternal genome. Mitogynogenesis, in which diploidization of chromosome set is performed by blocking the cleavage, is theoretically homozygous and has got more attention in breeding. In this study, we performed the mitogynogenetic diploid induction in turbot Scophthalmus maximus, one of the most important maricultural fish in China and Europe, by applying hydrostatic pressure to the eggs activated with UV-irradiated homologous sperm. The optimal inducing conditions were 36,000 erg mm(-2) for UV-irradiated and pressure of 65 MPa for 6 min at 15 min before the appearance of the cleavage furrow. Two mitogynogenesis stocks were obtained in 2016 and 2017. The results showed that there was no distinct difference in incubation time and morphological traits between mitogynogenetic diploid and control diploid. The survival rates of mitogynogenetic diploid sharply decreased in the first month post hatching (mph). Their total weight (tW) and total length (tL) increased rapidly from 12 to 18 mph. The mitogynogenetic diploids induced in 2016 and 2017 showed very different growth. The mean tW and tL of 10 fast-growing individuals at 18 mph were 2.78 and 1.32 times of the others in 2016 stock, while 4.50 and 1.74 times in 2017 stock, respectively. The higher male ratio and rising trend of male ratio indicated the female heterogametic ZW/ZZ genetic mechanism of sex determination in turbot. Twenty-four adults in 2017 stock survived until 24 mph. While twenty-nine adults in 2016 stock survived until 36 mph, in which 11 adults could be promoted mature. Then the qualities of gametes were evaluated and showed that both the egg and the sperm qualities of mitogynogenetic diploid were lower than those of control diploid. However, the embryo and larvae development showed no difference between mitogynogenetic diploid progeny and control diploid.
关键词Turbot Scophthalmus maximus Artificial mitogynogenesis induction Growth Sex ratio Offspring
DOI10.1016/j.aquaculture.2019.734585
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[31772834] ; National Natural Science Foundation of China[31502156] ; National Key R&D Program of China[2018YFD0901202] ; Key Research and Development Plan of Shandong Province[2017GHY15115] ; Industrial Promotion in Agricultural Science and Technology Park of Shandong Province[2017YQ004]
WOS研究方向Fisheries ; Marine & Freshwater Biology
WOS类目Fisheries ; Marine & Freshwater Biology
WOS记录号WOS:000496787000048
出版者ELSEVIER
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/164842
专题实验海洋生物学重点实验室
通讯作者You, Feng
作者单位1.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 10049, Peoples R China
4.Qingdao Agr Univ, Qingdao 266237, Shandong, Peoples R China
5.Shenghang Aquat Sci & Technol Co Ltd, Weihai 264200, Peoples R China
第一作者单位中国科学院海洋大科学研究中心
通讯作者单位中国科学院海洋大科学研究中心
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GB/T 7714
Wu, Zhihao,Wang, Lijuan,Wu, Qiaowan,et al. Study on artificial induction, growth and gamete quality of mitogynogenetic turbot Scophthalmus maximus[J]. AQUACULTURE,2020,515:8.
APA Wu, Zhihao.,Wang, Lijuan.,Wu, Qiaowan.,Lu, Yunliang.,Song, Zongcheng.,...&You, Feng.(2020).Study on artificial induction, growth and gamete quality of mitogynogenetic turbot Scophthalmus maximus.AQUACULTURE,515,8.
MLA Wu, Zhihao,et al."Study on artificial induction, growth and gamete quality of mitogynogenetic turbot Scophthalmus maximus".AQUACULTURE 515(2020):8.
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