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Cited by 760

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Transcription Factor CBF4 Is a Regulator of Drought Adaptation in Arabidopsis

Open access
Haake, Volker, Cook, Daniel, Riechmann, JoséLuis, Pineda, Omaira, Thomashow, Michael F., Zhang, James Z.·2002·Plant Physiology
DOI 10.1104/pp.006478
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Abstract

In plants, low temperature and dehydration activate a set of genes containing C-repeat/dehydration-responsive elements in their promoter. It has been shown previously that the Arabidopsis CBF/DREB1 transcription activators are critical regulators of gene expression in the signal transduction of cold acclimation. Here, we report the isolation of an apparent homolog of the CBF/DREB1 proteins (CBF4) that plays the equivalent role during drought adaptation. In contrast to the three already identified CBF/DREB1 homologs, which are induced under cold stress, CBF4 gene expression is up-regulated by drought stress, but not by low temperature. Overexpression of CBF4 in transgenic Arabidopsis plants results in the activation of C-repeat/dehydration-responsive element containing downstream genes that are involved in cold acclimation and drought adaptation. As a result, the transgenic plants are more tolerant to freezing and drought stress. Because of the physiological similarity between freezing and drought stress, and the sequence and structural similarity of the CBF/DREB1 and the CBF4 proteins, we propose that the plant's response to cold and drought evolved from a common CBF-like transcription factor, first through gene duplication and then through promoter evolution.

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Metadata

Authors
Haake, V., Cook, D., Riechmann, J., Pineda, O., Thomashow, M. F., & Zhang, J. Z.
Venue
Plant Physiology
Publisher
Oxford University Press (OUP)
Published
2002-10-01
Volume
130
Issue
2
Pages
639-648
ISSN
  • 0032-0889 (ISSN-L)
  • 1532-2548
DOI
10.1104/pp.006478
OpenAlex
W2143741189
Cited by
760
References
47
FWCI
28.62
Type
journal article
Language
en
Open access
bronze

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