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Curr Opin Plant Biol. 2006 Jun;9(3):248-55. Epub 2006 Apr 17.

Chlorophyll metabolism.

Author information

1
Institute of Low Temperature Science, Hokkaido University, Sapporo 060-0819, Japan. ayumi@pop.lowtem.hokudai.ac.jp

Abstract

Since the 1970s, researchers have proposed several regulatory pathways governing chlorophyll metabolism, but only recently have the underlying molecular mechanisms been elucidated. The recent data indicate that such regulatory systems are more complex than originally anticipated. For instance, the pathways involve a series of protein-protein interactions, including complex formation, the dual localization of enzymes within chloroplasts, and a novel protein degradation mechanism that is triggered by pigments. Furthermore, several lines of evidence suggest that chlorophyll metabolism might not only significantly impact the assembly of photosynthetic machineries but also influence processes such as programmed cell death, the 'stay-green' phenomenon, and chloroplast-nucleus communication.

PMID:
16603411
DOI:
10.1016/j.pbi.2006.03.011
[Indexed for MEDLINE]
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