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Production and verification of a 2nd generation clonal group of Japanese flounder, Paralichthys olivaceus

文献类型： 外文期刊

作者： Hou, Jilun 1 ; Wang, Guixing 1 ; Zhang, Xiaoyan 1 ; Wang, Yufen 1 ; Sun, Zhaohui 1 ; Si, Fei 1 ; Jiang, Xiufeng 1 ; Liu, 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Beidaihe Cent Expt Stn, Qinhuangdao 066100, Peoples R China

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）

ISSN： 2045-2322

年卷期： 2016 年 6 卷

页码：

收录情况： SCI

摘要： Clonal fishes are useful tools in biology and aquaculture studies due to their isogenicity. In Japanese flounder (Paralichthys olivaceus), a group of homozygous clones was created by inducing meiogynogenesis in eggs from a mitogynogenetic homozygous diploid. As the clones reached sexual maturity, meiogynogenesis was again induced in order to produce a 2nd generation clonal group of Japanese flounder. After 3 months, there were 611 healthy, surviving individuals. Twenty-four microsatellite markers, that covered all the linkage groups of Japanese flounder, were used to identify the homozygosity of the 2nd generation clones; no heterozygous locus was detected. This indicates that the production of a 2nd generation clonal group of Japanese flounder was successful. Restrictionsite DNA associated sequencing at the genomic level also confirmed the homozygosity and clonality of the 2nd generation clonal group. Furthermore, these 2nd generation clones had a small coefficient of variation for body shape indices at 210 days of age and showed a high degree of similarity in body characteristics among individuals. The successful production of 2nd generation clones has laid the foundation for the large-scale production of clonal Japanese flounder.

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