Mapping the Virus and Host Genes Involved in the Resistance Response in Cucumber Mosaic Virus-Infected Arabidopsis thaliana | Zendy

Hideki Takahashi | Zendy; Masashi Suzuki | Zendy; Keiko T. Natsuaki | Zendy; Takuma Shigyo | Zendy; Kumiko Hino | Zendy; Tohru Teraoka | Zendy; Daijiro Hosokawa | Zendy; Yoshio Ehara | Zendy

Open Access

Mapping the Virus and Host Genes Involved in the Resistance Response in Cucumber Mosaic Virus-Infected Arabidopsis thaliana

Author(s) -

Hideki Takahashi,

Masashi Suzuki,

Keiko T. Natsuaki,

Takuma Shigyo,

Kumiko Hino,

Tohru Teraoka,

Daijiro Hosokawa,

Yoshio Ehara

Publication year - 2001

Publication title -

plant and cell physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.975

H-Index - 152

eISSN - 1471-9053

pISSN - 0032-0781

DOI - 10.1093/pcp/pce039

Subject(s) - cucumber mosaic virus , biology , cucumovirus , virus , gene , arabidopsis thaliana , virology , locus (genetics) , virulence , genetics , genome , plant virus , mutant

A yellow strain of cucumber mosaic virus (CMV) [CMV(Y)] induces a resistance response characterized by inhibition of virus systemic movement with development of necrotic local lesions in the virus-inoculated leaves of Arabidopsis thaliana ecotype C24. In this report, the avirulence determinant in the virus genome was defined and the resistance gene (RCY1) of C24 was genetically mapped. The response of C24 to CMV containing the chimeric RNA3 between CMV(Y) and a virulent strain of CMV indicated that the coat protein gene of CMV(Y) determined the localization of the virus in the inoculated leaves of C24. The RCY1 locus was mapped between two CAPS markers, DFR and T43968, which were located in the region containing genetically defined disease resistance genes and their homologues. These results indicate that the resistance response to CMV(Y) in C24 is determined by the combination of the coat protein gene and RCY1 on chromosome 5.

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