Ubiquitin-dependent chloroplast-associated protein degradation in plants

Q Ling, W Broad, R Trösch, M Töpel, T Demiral Sert… - Science, 2019 - science.org
INTRODUCTION Chloroplasts are plant organelles responsible for the bulk of terrestrial
photosynthetic primary production. They evolved via endosymbiosis from a cyanobacterial …

Chloroplast biogenesis is regulated by direct action of the ubiquitin-proteasome system

Q Ling, W Huang, A Baldwin, P Jarvis - Science, 2012 - science.org
Development of chloroplasts and other plastids depends on the import of thousands of
nucleus-encoded proteins from the cytosol. Import is initiated by TOC (translocon at the outer …

Ubiquitin-based pathway acts inside chloroplasts to regulate photosynthesis

Y Sun, Z Yao, Y Ye, J Fang, H Chen, Y Lyu… - Science …, 2022 - science.org
Photosynthesis is the energetic basis for most life on Earth, and in plants it operates inside
double membrane–bound organelles called chloroplasts. The photosynthetic apparatus …

[HTML][HTML] Chloroplast proteostasis: import, sorting, ubiquitination, and proteolysis

Y Sun, RP Jarvis - Annual Review of Plant Biology, 2023 - annualreviews.org
Chloroplasts are the defining plant organelles with responsibility for photosynthesis and
other vital functions. To deliver these functions, they possess a complex proteome …

[HTML][HTML] Chloroplast protein turnover: the influence of extraplastidic processes, including autophagy

M Izumi, S Nakamura - International journal of molecular sciences, 2018 - mdpi.com
Most assimilated nutrients in the leaves of land plants are stored in chloroplasts as
photosynthetic proteins, where they mediate CO2 assimilation during growth. During …

Ubiquitin facilitates a quality-control pathway that removes damaged chloroplasts

JD Woodson, MS Joens, AB Sinson, J Gilkerson… - Science, 2015 - science.org
Energy production by chloroplasts and mitochondria causes constant oxidative damage. A
functioning photosynthetic cell requires quality-control mechanisms to turn over and …

Chloroplast proteases: updates on proteolysis within and across suborganellar compartments

K Nishimura, Y Kato, W Sakamoto - Plant physiology, 2016 - academic.oup.com
Chloroplasts originated from the endosymbiosis of ancestral cyanobacteria and maintain
transcription and translation machineries for around 100 proteins. Most endosymbiont …

[HTML][HTML] Regulation of chloroplast protein import by the ubiquitin E3 ligase SP1 is important for stress tolerance in plants

Q Ling, P Jarvis - Current Biology, 2015 - cell.com
Chloroplasts are the organelles responsible for photosynthesis in plants [1, 2]. The
chloroplast proteome comprises∼ 3,000 different proteins, including components of the …

[HTML][HTML] The CDC48 complex mediates ubiquitin-dependent degradation of intra-chloroplast proteins in plants

J Li, J Yuan, Y Li, H Sun, T Ma, J Huai, W Yang… - Cell Reports, 2022 - cell.com
Chloroplasts are the site of numerous biochemical reactions including photosynthesis, but
they also produce reactive oxygen species (ROS) that negatively affect chloroplast integrity …

Biogenesis and homeostasis of chloroplasts and other plastids

P Jarvis, E López-Juez - Nature Reviews Molecular Cell Biology, 2013 - nature.com
Chloroplasts are the organelles that define plants, and they are responsible for
photosynthesis as well as numerous other functions. They are the ancestral members of a …