eHALOPH - Halophytes Database

Publication Type	J
Authors	Guo, HL; Ding, WW; Chen, JB; Chen, X; Zheng, YQ; Wang, ZY; Liu, JX
Author Full Name	Guo, Hailin; Ding, Wanwen; Chen, Jingbo; Chen, Xuan; Zheng, Yiqi; Wang, Zhiyong; Liu, Jianxiu
Title	Genetic Linkage Map Construction and QTL Mapping of Salt Tolerance Traits in Zoysiagrass (Zoysia japonica)
Source	PLOS ONE
Language	English
Document Type	Article
Keywords Plus	AMPLIFIED POLYMORPHISM SRAP; SEQUENCE REPEAT MARKERS; SALINITY TOLERANCE; GOSSYPIUM-HIRSUTUM; RAPD MARKERS; RFLP MARKERS; DIVERSITY; AFLP; POPULATION; BRASSICA
Abstract	Zoysiagrass (Zoysia Willd.) is an important warm season turfgrass that is grown in many parts of the world. Salt tolerance is an important trait in zoysiagrass breeding programs. In this study, a genetic linkage map was constructed using sequence-related amplified polymorphism markers and random amplified polymorphic DNA markers based on an F-1 population comprising 120 progeny derived from a cross between Zoysia japonica Z105 (salt-tolerant accession) and Z061 (salt-sensitive accession). The linkage map covered 1211 cM with an average marker distance of 5.0 cM and contained 24 linkage groups with 242 marker loci (217 sequence-related amplified polymorphism markers and 25 random amplified polymorphic DNA markers). Quantitative trait loci affecting the salt tolerance of zoysiagrass were identified using the constructed genetic linkage map. Two significant quantitative trait loci (qLF-1 and qLF-2) for leaf firing percentage were detected; qLF-1 at 36.3 cM on linkage group LG4 with a logarithm of odds value of 3.27, which explained 13.1% of the total variation of leaf firing and qLF-2 at 42.3 cM on LG5 with a logarithm of odds value of 2.88, which explained 29.7% of the total variation of leaf firing. A significant quantitative trait locus (qSCW-1) for reduced percentage of dry shoot clipping weight was detected at 44.1 cM on LG5 with a logarithm of odds value of 4.0, which explained 65.6% of the total variation. This study provides important information for further functional analysis of salt-tolerance genes in zoysiagrass. Molecular markers linked with quantitative trait loci for salt tolerance will be useful in zoysiagrass breeding programs using marker-assisted selection.
Author Address	[Guo, Hailin; Ding, Wanwen; Chen, Jingbo; Chen, Xuan; Zheng, Yiqi; Wang, Zhiyong; Liu, Jianxiu] Jiangsu Prov & Chinese Acad Sci, Inst Bot, Nanjing, Jiangsu, Peoples R China
Reprint Address	Liu, JX (reprint author), Jiangsu Prov & Chinese Acad Sci, Inst Bot, Nanjing, Jiangsu, Peoples R China.
E-mail Address	turfunit@aliyun.com
Funding Agency and Grant Number	National Natural Science Foundation of China [30800759]; National Science and Technology Support Program of China [2011BAD13B09, 2012BAB03B04]
Funding Text	This work was supported by the National Natural Science Foundation of China (Grant no. 30800759) and the National Science and Technology Support Program of China (Grant nos. 2011BAD13B09 and 2012BAB03B04). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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Cited Reference Count	66
Times Cited	5
Total Times Cited Count (WoS, BCI, and CSCD)	6
Publisher	PUBLIC LIBRARY SCIENCE
Publisher City	SAN FRANCISCO
Publisher Address	1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA
ISSN	1932-6203
29-Character Source Abbreviation	PLOS ONE
ISO Source Abbreviation	PLoS One
Publication Date	SEP 9
Year Published	2014
Volume	9
Issue	9
Article Number	e107249
Digital Object Identifier (DOI)	10.1371/journal.pone.0107249
Page Count	9
Web of Science Category	Multidisciplinary Sciences
Subject Category	Science & Technology - Other Topics
Document Delivery Number	AQ3IF
Unique Article Identifier	WOS:000342684500077
Plants associated with this reference	Zoysia japonica