期刊
FEBS LETTERS
卷 583, 期 20, 页码 3329-3334出版社
WILEY
DOI: 10.1016/j.febslet.2009.09.029
关键词
Tomato; Postharvest fruit; Cold tolerance; Cold storage; Lycopersicon esculentum putative; transcriptional activator CBF1
资金
- National Natural Science Foundation of China [30671471, 30571296, 30972065]
- ACIAR Project [PHT/1999/081]
- Ministry of Agriculture [200803033]
C-Repeat/dehydration-responsive element binding factor (CBF) is a transcription factor regulating cold response in plants, of which little is known in fruits. We showed a double-peak expression pattern of Lycopersicon esculentum putative transcriptional activator CBF1 (LeCBF1) in mature green fruit. The peaks appeared at 2 and 16 h after subjection to cold storage (2 degrees C). The second peak was coincident with, and thus caused by a peak in endogenous ethylene production. We showed that LeCBF1 expression was regulated by exogenous ethylene and 1-methylcyclopropene, and was not expressed without cold induction. LeCBF1 expression was different in the five maturation stages of fruits, but expression peaked at 2 h at all stages. (C) 2009 Federation of European Biochemical Societies. Published by Elsevier B. V. All rights reserved.
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