Construction of genetic linkage maps and QTL mapping for X-disease resistance in tetraploid chokecherry (Prunus virginiana L.) using SSR and AFLP markers

Publication Overview
TitleConstruction of genetic linkage maps and QTL mapping for X-disease resistance in tetraploid chokecherry (Prunus virginiana L.) using SSR and AFLP markers
AuthorsWang H, Walla JA, Magnusson VA, Zhong S, Dai W
TypeJournal Article
Journal NameMolecular breeding
Volume34
Issue1
Year2014
Page(s)143-157
CitationWang H, Walla JA, Magnusson VA, Zhong S, Dai W. Construction of genetic linkage maps and QTL mapping for X-disease resistance in tetraploid chokecherry (Prunus virginiana L.) using SSR and AFLP markers. Molecular breeding. 2014; 34(1):143-157.

Abstract

Chokecherry (Prunus virginiana L.) (2n = 4x = 32) is a unique Prunus species for both genetics and disease resistance research due to its tetraploid nature and known variations in X-disease resistance. X-disease is a destructive disease of stone fruit trees, causing yield loss and poor fruit quality. However, genetic and genomic information on chokecherry is limited. In this study, simple sequence repeat (SSR) and amplified fragment length polymorphism (AFLP) markers were used to construct genetic linkage maps and to identify quantitative trait loci (QTLs) associated with X-disease resistance in chokecherry. A segregating population (101 progenies) was developed by crossing an X-disease-resistant chokecherry line (RC) with a susceptible chokecherry line (SC). A total of 498 DNA markers (257 SSR and 241 AFLP markers) were mapped on the two genetic maps of the two parental lines (RC and SC). The map of RC contains 302 markers assigned to 14 linkage groups covering 2,089 cM of the genome. The map of SC has 259 markers assigned to 16 linkage groups covering 1,562.4 cM of the genome. The average distance between two markers was 6.9 cM for the RC map and 6.0 cM for the SC map. One QTL located on linkage group 15 on the map of SC was found to be associated with X-disease resistance. Genetic linkage maps and the identified QTL linked to X-disease resistance will further facilitate genetic research and breeding of X-disease resistance in chokecherry and other Prunus species.
Features
This publication contains information about 246 features:
Feature NameUniquenameType
restistance to Candidatus Phytoplasma pruniqRCPP.RCSC-ch15QTL
EACT-MCAA-290EACT-MCAA-290genetic_marker
EACT-MCAA-310EACT-MCAA-310genetic_marker
EACT-MCAA-420EACT-MCAA-420genetic_marker
EACT-MCAA-428EACT-MCAA-428genetic_marker
EACT-MCAA-435EACT-MCAA-435genetic_marker
EACT-MCAA-475EACT-MCAA-475genetic_marker
EACT-MCAA-480EACT-MCAA-480genetic_marker
EACT-MCAA-600EACT-MCAA-600genetic_marker
EACT-MCCA-610EACT-MCCA-610genetic_marker
EACT-MCCA-225EACT-MCCA-225genetic_marker
EACT-MCCA-247EACT-MCCA-247genetic_marker
EACT-MCCA-270EACT-MCCA-270genetic_marker
EACT-MCCA-290EACT-MCCA-290genetic_marker
EACT-MCCA-340EACT-MCCA-340genetic_marker
EACT-MCCA-350EACT-MCCA-350genetic_marker
EACT-MCCA-360EACT-MCCA-360genetic_marker
EACT-MCCA-447EACT-MCCA-447genetic_marker
EACT-MCCA-450EACT-MCCA-450genetic_marker
EACT-MCCA-475EACT-MCCA-475genetic_marker
EACT-MCCA-565EACT-MCCA-565genetic_marker
EACT-MCCA-570EACT-MCCA-570genetic_marker
EACT-MCCC-365EACT-MCCC-365genetic_marker
EACT-MCCC-204EACT-MCCC-204genetic_marker
EACT-MCCC-303EACT-MCCC-303genetic_marker

Pages

Projects
This publication contains information about 1 projects:
Project NameDescription
Chokecherry X-disease resistance trait-Dai-2014
Featuremaps
This publication contains information about 1 maps:
Map Name
Chokecherry-RCxSC-F1-2014
Stocks
This publication contains information about 3 stocks:
Stock NameUniquenameType
R-II-2010-3R-II-2010-3accession
S-V-2077-3S-V-2077-3accession
RC_x_SC-F1RC_x_SC-F1population