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Article

Ubiquitin facilitates a quality-control pathway that removes damaged chloroplasts.

Science (New York, N.Y.) - 23 Oct 2015

Woodson Jesse D, Joens Matthew S, Sinson Andrew B, Gilkerson Jonathan, Salomé Patrice A, Weigel Detlef, Fitzpatrick James A, Chory Joanne

Abstract excerpt

Energy production by chloroplasts and mitochondria causes constant oxidative damage. A functioning photosynthetic cell requires quality-control mechanisms to turn over and degrade chloroplasts damaged by reactive oxygen species (ROS). Here, we generated a conditionally lethal Arabidopsis mutant that accumulated excess protoporphyrin IX in the chloroplast and produced singlet oxygen. Damaged chloroplasts were...

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Identifiers

PMID: 26494759
DOI: 10.1126/science.aac7444
PMCID: PMC4863637

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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