Fate and Activities of Plastids During Leaf Senescence

  • Karin Krupinska
Part of the Advances in Photosynthesis and Respiration book series (AIPH, volume 23)

During leaf senescence, chloroplasts are transformed into gerontoplasts. This process is characterized by changes in the ultrastructure and in the biochemical and functional properties of the plastids. Concomitantly, a decline in the cellular population of chloroplasts/gerontoplasts may occur. While gerontoplast differentiation to a certain extent is a reversible process, a reactivation of plastid division does not occur. A model depicting three different pathways by which chloroplasts may be degraded in senescing mesophyll cells is presented.


Thylakoid Membrane Leaf Senescence Central Vacuole Elsevier Academic Thylakoid Membrane Protein 
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Copyright information

© Springer 2007

Authors and Affiliations

  • Karin Krupinska
    • 1
  1. 1.Institute of BotanyUniversity of KielGermany

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