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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43475

Title: Genetic mapping and quantitative trait loci analysis of growth-related traits in the small abalone Haliotis diversicolor using restriction-site-associated DNA sequencing
Authors: Peng Ren
Wen zhu Peng
Wei wei You
Ze kun Huang
Qing Guo
Nan Chen
Peiru He
Jin-Chy wan Gwo
Caihuan Ke
Contributors: 國立臺灣海洋大學:水產養殖學系
Keywords: Haliotis diversicolor;Genetic mapping;Restriction-site-associated DNA sequencing;Single nucleotide polymorphism;Quantitative trait loci
Date: 2016-03-01
Issue Date: 2017-08-17T06:26:54Z
Publisher: Aquaculture
Abstract: Abstract:The small abalone (Haliotis diversicolor) is an important aquaculture species in southern China. Traditional breeding programs have been implemented for this species. But due to long reproduction cycle of the small abalone, the traditional method takes too long. There is therefore an urgent need to accelerate molecular breeding in H. diversicolor. Here we report on the construction of a high-density genetic map and quantitative trait loci detection in the small abalone using an F1 cross population with 131 progeny based on restriction-site-associated DNA sequencing. The sex-averaged map spanned 2190.1 cM with a mean distance between single nucleotide polymorphisms (SNPs) of 0.59 cM. A total of 3717 SNPs were mapped on 16 linkage groups. There were 1728 SNPs on the female map and 2673 SNPs on the male map. The total length of the female and male map was 2197.8 and 1764.7 cM, respectively. Six growth-related traits (body weight, muscle weight, shell weight, shell length, shell width and shell height) were recorded to detect QTL. A total of 15 suggestive QTL were identified and most of them were found on LG11. A consensus QTL for six growth-related traits was detected on LG11. It suggests that these traits may be controlled by a common region. Our results would provide valuable tools which can be used for Marker-Assisted Selection (MAS) in breeding programs of H. diversicolor.
Statement of relevance

This paper published a high-density linkage map and QTL analysis for growth-related traits. The study will be valuable tools for in Marker-Assisted Selection breeding program in Haliotis diversicolor.
Relation: 454, pp.163-170
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43475
Appears in Collections:[水產養殖學系] 期刊論文

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