NDLI: Mapping stripe rust resistance gene YrSph derived from Tritium sphaerococcum Perc. with SSR, SRAP, and TRAP markers

Content Provider	Springer Nature Link
Author	Chen, Shi Sheng Chen, Guo Yue Chen, Hua Wei, Yu Ming Li, Wei Liu, Ya Xi Liu, Deng Cai Lan, Xiu Jin Zheng, You Liang
Copyright Year	2011
Abstract	Stripe rust, caused by Puccinia striiformis f. sp. tritici, is one of the most devastating foliar diseases of common wheat (Triticum aestivum L.) worldwide. Growing resistant cultivars is the most effective approach to control the disease. To determine inheritance of stripe rust resistance and map the resistance gene in a common wheat line D31, developed from Triticum sphaerococcum Perc. (accession number AS348), F1, F2, and BC1 progenies derived from the Taichung 29 × D31 cross were firstly inoculated with Chinese PST race CYR32 during whole growth stages under the field conditions. Genetic analysis indicated that the resistance to CYR32 in the line D31 was conferred by one recessive gene, temporarily designated as YrSph. A total of 400 simple sequence repeat (SSR), 315 pairs of sequence-related amplified polymorphism and 42 pairs of target region amplified polymorphism markers were screened, and four SSR markers and three TRAP markers were found to be polymorphic between the resistant and susceptible DNA bulks as well as their parents. Genetic linkage was tested on segregating F2 population and indicated that all of the ten markers were linked to the resistance gene, two of which flanked the locus at 8.5 and 6.9 cM, respectively. The SSR markers mapped the resistance gene on chromosome arm 2AS. The results of chromosome location and pedigree analysis indicate that YrSph was probably a novel stripe rust resistance gene.
Starting Page	19
Ending Page	26
Page Count	8
File Format	PDF
ISSN	00142336
Journal	Euphytica
Volume Number	185
Issue Number	1
e-ISSN	15735060
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-12-07
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Triticum sphaerococcum Perc. Puccinia striiformis Resistant gene Simple sequence repeat (SSR) Sequence-related amplified polymorphism (SRAP) Target region amplified polymorphism (TRAP) Plant Physiology Plant Pathology Biotechnology Plant Sciences Plant Genetics & Genomics
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Horticulture Agronomy and Crop Science

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