Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Light-Regulated Transcription

Light-Regulated Transcription This review focuses on light regulation of transcription, from light perception to changes in transcription, with an emphasis on regulatory elements in the promoters of light-regulated genes and proteins that bind to them. The abun­ dance of over 100 mRNAs is regulated by light, and at least three photorecep­ tors influence transcription, but the importance of each photoreceptor may vary from gene to gene. Light-regulated promoters are composed of ubiquitous regulatory elements; the specific combination of elements appears to make a promoter light-regulated, and these combinations vary widely. Numerous pro­ teins that bind to elements in light-regulated promoters have been identified and many have been cloned, but no cloned gene has been unequivocally assigned a function in light-regulated transcription. Substantial progress has been made in identifying steps in signal transduction from light perception to transcription, but these steps have yet to be assembled into complete pathways. INTRODUCTION 1 Plants use light as a source of information about their environments as well as a source of energy for photosynthesis. Plants sense both the quantity (fluence) and quality (wavelength) of light and respond in many ways, ranging from germination and de-etiolation of seedlings to timing of flowering. Many of these http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Plant Biology Annual Reviews

Light-Regulated Transcription

Loading next page...
 
/lp/annual-reviews/light-regulated-transcription-kAGWqSoL0j

References (67)

Publisher
Annual Reviews
Copyright
Copyright 1995 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
1040-2519
DOI
10.1146/annurev.pp.46.060195.002305
Publisher site
See Article on Publisher Site

Abstract

This review focuses on light regulation of transcription, from light perception to changes in transcription, with an emphasis on regulatory elements in the promoters of light-regulated genes and proteins that bind to them. The abun­ dance of over 100 mRNAs is regulated by light, and at least three photorecep­ tors influence transcription, but the importance of each photoreceptor may vary from gene to gene. Light-regulated promoters are composed of ubiquitous regulatory elements; the specific combination of elements appears to make a promoter light-regulated, and these combinations vary widely. Numerous pro­ teins that bind to elements in light-regulated promoters have been identified and many have been cloned, but no cloned gene has been unequivocally assigned a function in light-regulated transcription. Substantial progress has been made in identifying steps in signal transduction from light perception to transcription, but these steps have yet to be assembled into complete pathways. INTRODUCTION 1 Plants use light as a source of information about their environments as well as a source of energy for photosynthesis. Plants sense both the quantity (fluence) and quality (wavelength) of light and respond in many ways, ranging from germination and de-etiolation of seedlings to timing of flowering. Many of these

Journal

Annual Review of Plant BiologyAnnual Reviews

Published: Jun 1, 1995

There are no references for this article.