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Genetic determination of sex and shell color in the Pacific abalone Haliotis discus hannai revealed by an integrated linkage map
Yang, Z.1,2,3; Xu, F.1,2; Zhang, Z.1; Li, J.1; Jia, Y.1; Li, H.1; Liu, X.1,2
2019-10-01
Source PublicationANIMAL GENETICS
ISSN0268-9146
Pages7
Corresponding AuthorLiu, X.(liuxiao@qdio.ac.cn)
AbstractIntegrated linkage maps for each sex have been constructed for the Pacific abalone Haliotis discus hannai using three F-1 mapping families based on co-dominant markers. A total of 273 markers were placed on the female map, spanning 927.3 cM with an average interval of 3.64 cM, whereas 277 markers were mapped on the male map, covering 727.0 cM with an average spacing of 2.80 cM. Both female and male maps consisted of 18 linkage groups, corresponding well with the number of chromosomes. Furthermore, the sex-determining locus and the green/orange shell color controlling locus were mapped to the linkage group 3 (LG3) and LG9 respectively. A marker completely linked to phenotypic sex was identified, and the sex determination system was further concluded as paternal heterogametic (males XY and females XX). Based on the segregation ratio of the shell color in the progeny, a simple recessive model of epistasis was proposed to explain the distribution of different color morphs (green, orange and blue): the recessive allele determining orange type masks the effect of the locus controlling green and blue types, whereas the dominant allele at the green/orange locus permits the expression of green and blue types controlled by another locus. The current consensus map provides a useful framework for genetic studies in the Pacific abalone. Mapping of the sex-determining locus and the shell color-controlling locus leads to further understanding of the mechanisms underlying these important traits.
Keywordgenetic map microsatellite paternal heterogametic recessive epistasis sex determination
DOI10.1111/age.12860
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41676152] ; Earmarked Fund for Agriculture Seed Improvement Project of Shandong Province[2017LZGC009]
WOS Research AreaAgriculture ; Genetics & Heredity
WOS SubjectAgriculture, Dairy & Animal Science ; Genetics & Heredity
WOS IDWOS:000488310100001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/163245
Collection实验海洋生物学重点实验室
Corresponding AuthorLiu, X.
Affiliation1.Chinese Acad Sci, Inst Oceanol, Ctr Mega Sci, Key Lab Expt Marine Biol, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266237, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 10049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yang, Z.,Xu, F.,Zhang, Z.,et al. Genetic determination of sex and shell color in the Pacific abalone Haliotis discus hannai revealed by an integrated linkage map[J]. ANIMAL GENETICS,2019:7.
APA Yang, Z..,Xu, F..,Zhang, Z..,Li, J..,Jia, Y..,...&Liu, X..(2019).Genetic determination of sex and shell color in the Pacific abalone Haliotis discus hannai revealed by an integrated linkage map.ANIMAL GENETICS,7.
MLA Yang, Z.,et al."Genetic determination of sex and shell color in the Pacific abalone Haliotis discus hannai revealed by an integrated linkage map".ANIMAL GENETICS (2019):7.
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