Functional Characterization of NtCDPK1 in Tobacco
2006
Lee, S.S. (Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea) | Yoon, G.M. (Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea) | Rho, E.J. (Ajou University, Suwon, Republic of Korea) | Moon, E.P. (Ajou University, Suwon, Republic of Korea) | Pai, H.S. (Myongji University, Yongin, Republic of Korea), E-mail: hspai@mju.ac.kr
We previously showed that NtCDPK1, a tobacco calcium-dependent protein kinase, interacts with and phosphorylates the Rpn3 regulatory subunit of the 26S proteasome, and that both NtCDPK1 and Rpn3 are mainly expressed in rapidly proliferating tissues, including shoot and root meristem. In this study, we examined NtCDPK1 expression in roots using GUS expression in transgenic Arabidopsis plants, and investigated its function in root development by generating transgenic tobacco plants carrying a sense NtCDPK1 transgene.
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