OsCDPK13, a calcium-dependent protein kinase gene from rice,is induced in response to cold and gibberellin |
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| Affiliation: | 1. Graduate School of Biotechnology, Kyung Hee University, Yongin 446-701, Republic of Korea;2. Department of Plant and Environmental New Resources, Kyung Hee University, Yongin 446-701, Republic of Korea;3. Seed Research Center, Gyeongnam National University of Science and Technology, Jinju-Si 52725, Republic of Korea;1. Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresources, College of Tropical Crops, College of Forestry, Hainan University, Haikou, Hainan province, 570228, China;2. Key Laboratory of Biology and Genetic Resources of Tropical Crops, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Xueyuan Road 4, Haikou, Hainan province, 571101, China;1. Guangxi Key Lab of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Agriculture, Guangxi University, Nanning 530004, Guangxi, China;2. Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China;3. Fishery Multiplication Management Station of Lijiang River Water Supply Hub Project, Guilin 541001, China;1. Department of Chemical and Biomolecular Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA;2. Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE 68583, USA |
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| Abstract: | Ca2+-dependent protein kinases (CDPKs) (EC 2.7.1.37) are the predominant Ca2+-regulated serine/threonine protein kinase in plants and their genes are encoded by a multigene family. CDPKs are important components in signal transduction, but the precise role of each individual CDPK is still largely unknown. A CDPK gene designated as OsCDPK13 was cloned from rice seedlings and it showed a high level of sequence similarities to rice and other plant CDPK genes. OsCDPK13 contains all conserved regions found in CDPKs. It was a single copy gene and was highly expressed in root and leaf sheath tissues of rice seedlings. OsCDPK13 expression was increased in leaf sheath segments treated with gibberellin or subjected to cold stress. The results in this investigation, together with our previous studies, suggest that OsCDPK13 may be an important signaling component in rice seedlings under cold stress condition and in response to gibberellin. |
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