CHLOROPLAST FtsH METALLOPROTEASES IN ARABIDOPSIS ~ AN OVERVIEW OF GENETIC AND BIOCHEMICAL STUDIES

摘要

The chloroplast is a major site of generating reactive oxygen species in plant cells, and the photosynthetic apparatus is constantly damaged by photooxidation. To minimize the photodamage, quality control of chloroplast proteins in which a damaged protein is rapidly replaced with a newly-synthesized protein is crucial. Recent studies suggest that proteases in chloroplasts play a key role in the repair cycle of photodamaged proteins or protein complexes.