UNSPECIFIED (2001) Multiple functions of the LHY transcription factor in the Arabidopsis circadian clock. In: 14th International Congress of Comparative Endocrinology, MAY 26-30, 2001, SORRENTO, ITALY.

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Abstract

The LATE ELONGATED HYPOCOTYL (LHY) and CIRCADIAN CLOCK ASSOCIATED (CCA1) genes encode related MYB transcription factors, which regulate circadian rhythms in Arabidopsis. LHY and CCA1 verify some of the properties of oscillator components, since (i) expression of their transcripts and protein exhibit circadian oscillations; (ii) their constitutive expression abolishes overt rhythmicity and (iii) they function as components of a negative transcriptional feedback loop. So, LHY and CCA1 have been proposed to function as components of the circadian oscillator. The current work indicates that they may directly regulate expression of a subset of clock-controlled genes, and that the regulation of their transcripts and protein levels in response to light signals may mediate the regulation of the circadian clock by light.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	R Medicine > RC Internal medicine
Journal or Publication Title:	PERSPECTIVE IN COMPARATIVE ENDOCRINOLOGY: UNITY AND DIVERSITY
Publisher:	MEDIMOND S R L
ISBN:	88-323-1526-2
Editor:	Goos, HJT and Rastogi, RK and Vaudry, H and Pierantoni, R
Date:	2001
Number of Pages:	6
Page Range:	pp. 103-108
Publication Status:	Published
Title of Event:	14th International Congress of Comparative Endocrinology
Location of Event:	SORRENTO, ITALY
Date(s) of Event:	MAY 26-30, 2001
URI:	http://wrap.warwick.ac.uk/id/eprint/10285

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