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The Divergent Roles of STAYGREEN (SGR) Homologs in Chlorophyll Degradation
Cited 57 time in
Web of Science
Cited 62 time in Scopus
- Authors
- Issue Date
- 2015
- Citation
- Molecules and Cells, vol.38 no.5, pp. 390-395
- Description
- This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. To
view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/.
- Abstract
- Degradation of chlorophyll (Chl) by Chl catabolic enzymes (CCEs) causes the loss of green color that typically occurs during senescence of leaves. In addition to CCEs, STAYGREEN1 (SGR1) functions as a key regulator of Chl degradation. Although sgr1 mutants in many plant species exhibit a staygreen
phenotype, the biochemical function of the SGR1
protein remains elusive. Many recent studies have examined the physiological and molecular roles of SGR1 and its homologs (SGR2 and SGR-LIKE) in Chl metabolism, finding that these proteins have different roles in different species.
In this review, we summarize the recent studies on SGR and discuss the most likely functions of SGR homologs.
- Language
- English
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