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All Journal Jurnal AgroBiogen
Kurniawan R. Trijatmiko
Balai Besar Penelitian dan Pengembangan Bioteknologi dan Sumber Daya Genetik Pertanian, Jl. Tentara Pelajar 3A, Bogor 16111, Indonesia Telp. (0251) 8337975
Agriculture, Biological Sciences & Forestry

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Delivering of Over-Expression Construct OsWRKY76 Candidate Gene in Rice cv. Nipponbare through Agrobacterium tumefaciens Apriana, Aniversari; Sisharmini, Atmitri; Enggarini, Wening; Sudarsono, Sudarsono; Khumaida, Nurul; Trijatmiko, Kurniawan R.
Jurnal AgroBiogen Vol 7, No 1 (2011): Jurnal AgroBiogen
Publisher : Jurnal AgroBiogen

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Abstract

Plant genetic improvement can be done through classical breeding or genetic engineering. WRKY is a transcription factor involved in regulating plant defense responses. OsWRKY76 gene is located in a narrow segment of chromosome 9 which is identified previously to be related to wide spectrum resistance in rice. A sequence of OsWRKY76 (+1.200 bp) has available in the gene bank and it makes possible to isolate, clone, and construct the gene into over-expression vector. The aim of this research was to assemble an over-expression construct of OsWRKY76 candidate gene and introduce it into rice through Agrobacterium-mediated transformation. A construct of pCAMBIA-1301::35S::OsWRKY76 has been successfully assembled and transformed into embryogenic calli of rice cv. Nipponbare using A. tumefaciens strain Agl-1 and EHA 105. A number of 126 independent lines has been produced, in which Agl-1 showed 3.8 times more efficient than EHA 105. PCR analysis of randomly selected 25 independent lines showed that all of them positively contained hptII gene, a selectable marker used in the over-expression construct of the OsWRKY76 candidate gene. Based on the result, it could be concluded that the over-expression construct of OsWRKY76 candidate gene have been successfully introduced into the tissue of Nipponbare.
Co-Authors Aniversari Apriana Atmitri Sisharmini Nurul Khumaida Sudarsono Wening Enggarini