The senescence-induced staygreen protein regulates chlorophyll degradation.

@article{Park2007TheSS,
  title={The senescence-induced staygreen protein regulates chlorophyll degradation.},
  author={So-Yon Park and Jae-Woong Yu and Jong-Sung Park and Jinjie Li and Soo-Cheul Yoo and Na-Yeoun Lee and Sangkyu Lee and Seok-Won Jeong and Hak Soo Seo and Hee-Jong Koh and Jong-Seong Jeon and Youn-Il Park and Nam-Chon Paek},
  journal={The Plant cell},
  year={2007},
  volume={19 5},
  pages={1649-64}
}
Loss of green color in leaves results from chlorophyll (Chl) degradation in chloroplasts, but little is known about how Chl catabolism is regulated throughout leaf development. Using the staygreen (sgr) mutant in rice (Oryza sativa), which maintains greenness during leaf senescence, we identified Sgr, a senescence-associated gene encoding a novel chloroplast protein. Transgenic rice overexpressing Sgr produces yellowish-brown leaves, and Arabidopsis thaliana pheophorbide a oxygenase-impaired… CONTINUE READING
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