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Parentage assignment in hatchery population of brown sole Pleuronectes herzensteini by microsatellite DNA markers

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Title: Parentage assignment in hatchery population of brown sole Pleuronectes herzensteini by microsatellite DNA markers
Authors: Kim, Sang-Gyu Browse this author
Morishima, Kagayaki Browse this author
Satoh, Nobukazu Browse this author
Fujioka, Takashi Browse this author
Saito, Setsuo Browse this author
Arai, Katsutoshi Browse this author →KAKEN DB
Keywords: effective population size
genetic diversity
hatchery population
heterozygosity
microsatellite DNA
parentage assignment
Pleuronectes herzensteini
Issue Date: Oct-2007
Publisher: Japanese Society of Fisheries Science
Journal Title: Fisheries Science
Volume: 73
Issue: 5
Start Page: 1087
End Page: 1093
Publisher DOI: 10.1111/j.1444-2906.2007.01440.x
Abstract: Five loci (Phz2, Phz6, Phz7, Phz12, and Phz14) of microsatellite DNA markers developed in a previous study for parentage assignment in the hatchery population generated by mating among 61 broodstock fish (35 females and 26 males) in a spawning tank, were selected. After natural spawning in the same tank, larvae collected at three different times were categorized into early phase (EP), middle phase (MP), and late phase (LP) groups. In the parental broodstock, the mean number of alleles per locus was 21.8 and expected heterozygosity (HE) was 0.813. In the progeny, the mean number of alleles per locus decreased to 11.6 (EP), 14.4 (MP), and 6.4 (LP) and HE to 0.796 (EP), 0.833 (MP), and 0.681 (LP). Parental assignment determined eight dams and six sires as major parents for the EP group. In the MP group, 13 dams and ten sires genetically contributed to spawning, but only three dams and two sires were involved in LP group progeny. In the hatchery population produced from a limited number of parental fish such as the LP group, genetic variability was apparently decreased.
Rights: © 2007 公益社団法人日本水産学会
© 2007 The Japanese Society of Fisheries Science
Type: article
URI: http://hdl.handle.net/2115/35582
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 荒井 克俊

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