Autophagy of whole and partial chloroplasts in individually darkened leaves: A unique system in plants?

Hiroyuki Ishida, Shinya Wada

Research output: Contribution to journalShort survey

6 Citations (Scopus)

Abstract

Chloroplasts are the characteristic organelle of photoautotrophs. To acquire carbohydrates, the majority of leaf nitrogen is distributed to chloroplasts as photosynthetic proteins. During age-related senescence or under starvation conditions, chloroplasts become a major source of carbon and nitrogen for recycling. While bulk degradation of the cytosol and organelles must occur by autophagy in plants, the role of autophagy in chloroplast degradation is still unclear. Our recent results confirm the role of autophagy in both partial and whole chloroplast degradation, at least during promoted senescence of individually-darkened leaves.

Original languageEnglish
Pages (from-to)736-737
Number of pages2
JournalAutophagy
Volume5
Issue number5
DOIs
Publication statusPublished - 2009 Jul 1

Keywords

  • Arabidopsis (Arabidopsis thaliana)
  • AtATG genes
  • Autophagy
  • Chloroplast
  • Leaf senescence
  • Nutrient recycling
  • Starvation

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

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