期刊
JOURNAL OF EXPERIMENTAL BOTANY
卷 51, 期 351, 页码 1763-1764出版社
OXFORD UNIV PRESS
DOI: 10.1093/jexbot/51.351.1763
关键词
drought; heat shock; Nicotiana; oxidative stress; PP2C
A protein phosphatase 2C (PP2C)-homologous cDNA was isolated from Nicotiana tabacum (NtPP2C1). The deduced protein sequence of 416 amino acids showed the highest degree of similarity to the PP2C of Arabidopsis thaliana (AtPP2CA) implicated in abscisic acid signalling. The expression of NtPP2C1 was strongly induced by drought, but repressed by oxidative stress and heat shock. It is suggested that NtPP2C1 operates at the junction of drought, heat shock and oxidative stress.
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