High-density genetic map construction and identification of a locus controlling weeping trait in an ornamental woody plant (Prunus mume Sieb. et Zucc)

Publication Overview
TitleHigh-density genetic map construction and identification of a locus controlling weeping trait in an ornamental woody plant (Prunus mume Sieb. et Zucc)
AuthorsZhang J, Zhang Q, Cheng T, Yang W, Pan H, Zhong J, Huang L, Liu E
TypeJournal Article
Journal NameDNA research : an international journal for rapid publication of reports on genes and genomes
Volume22
Issue3
Year2015
Page(s)183-191
CitationZhang J, Zhang Q, Cheng T, Yang W, Pan H, Zhong J, Huang L, Liu E. High-density genetic map construction and identification of a locus controlling weeping trait in an ornamental woody plant (Prunus mume Sieb. et Zucc). DNA research : an international journal for rapid publication of reports on genes and genomes. 2015 Mar 15; 22(3):183-191.

Abstract

High-density genetic map is a valuable tool for fine mapping locus controlling a specific trait especially for perennial woody plants. In this study, we firstly constructed a high-density genetic map of mei (Prunus mume) using SLAF markers, developed by specific locus amplified fragment sequencing (SLAF-seq). The linkage map contains 8,007 markers, with a mean marker distance of 0.195 cM, making it the densest genetic map for the genus Prunus. Though weeping trees are used worldwide as landscape plants, little is known about weeping controlling gene(s) (Pl). To test the utility of the high-density genetic map, we did fine-scale mapping of this important ornamental trait. In total, three statistic methods were performed progressively based on the result of inheritance analysis. Quantitative trait loci (QTL) analysis initially revealed that a locus on linkage group 7 was strongly responsible for weeping trait. Mutmap-like strategy and extreme linkage analysis were then applied to fine map this locus within 1.14 cM. Bioinformatics analysis of the locus identified some candidate genes. The successful localization of weeping trait strongly indicates that the high-density map constructed using SLAF markers is a worthy reference for mapping important traits for woody plants.

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Copyright© The Author 2015. Published by Oxford University Press on behalf of Kazusa DNA Research Institute.
eISSN1756-1663
Elocationdsv003
ISSN1756-1663
Journal AbbreviationDNA Res.
LanguageEnglish
Language AbbrENG
Publication Date2015 Mar 15
Publication ModelPrint-Electronic
Publication TypeJournal Article
URLhttp://dnaresearch.oxfordjournals.org/content/22/3/183.short
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PMID: PubMedPMID:25776277