Variation of Color and Ray Pattern in Juvenile Shells inHatchery-produced Freshwater Triangle Pearl Mussels, Hyriopsis cumingii, in China
文献类型： 外文期刊
作者： Wen, Haibo 1 ; Gu, Ruobo 1 ; Cao, Zheming 1 ; Zhou, Xin 1 ; Nie, Zhijuan 1 ; Ge, Xianping 1 ; Xu, Pao 2 ; Hua, Dan;
作者机构： 1.Chinese Acad Fishery Sci, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Freshwater Fisheries Res Ctr, Wuxi 214081, Peoples R China
2.Chinese Acad Fishery Sci, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Freshwater Fisheries Res Ctr, Wuxi 214081
期刊名称：JOURNAL OF THE WORLD AQUACULTURE SOCIETY （ 影响因子：2.512； 五年影响因子：2.47 ）
ISSN： 0893-8849
年卷期： 2013 年 44 卷 1 期
页码：
收录情况： SCI
摘要： The variation and inheritance of juvenile shell color and pigmentation pattern in the freshwater mussel, Hyriopsis cumingii, were reported in 1-yr-old progeny of eight families. There were three distinctive phenotypes of shell color and pigmentation patterns observed, including a greenish-brown shell with radial rays, yellowish-brown shell with radial rays, and yellowish-brown shell without radial rays. There were no greenish-brown individuals without radial rays. The shell color phenotypes showed variation with the growth in juvenile Stage I (13cm in shell length), and the percentage of individuals with radial rays increased once they reached a shell length of 11mm and then stabilized after reaching 20mm in shell length. Shell color differentiation became more apparent at a shell length of 26mm. Results of chi-square tests of the segregation ratio of shell color or ray phenotypes obtained from eight families at juvenile Stage II (69cm in shell length) suggested that greenish-brown is controlled by a dominant allele (G) and yellowish-brown-shell phenotype is by a recessive allele (y); the ray pattern phenotype is controlled by a recessive (r) and a dominant allele (R) at a single locus. Shell color phenotypes may be a useful genetic marker for future selective breeding of triangle pearl mussels.
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