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 …

Plastid retrograde signaling: A developmental perspective

N Loudya, A Barkan, E López-Juez - The Plant Cell, 2024 - academic.oup.com
Chloroplast activities influence nuclear gene expression, a phenomenon referred to as
retrograde signaling. Biogenic retrograde signals have been revealed by changes in …

[HTML][HTML] Structure of a TOC-TIC supercomplex spanning two chloroplast envelope membranes

Z Jin, L Wan, Y Zhang, X Li, Y Cao, H Liu, S Fan, D Cao… - Cell, 2022 - cell.com
The TOC and TIC complexes are essential translocons that facilitate the import of the
nuclear genome-encoded preproteins across the two envelope membranes of chloroplast …

Architecture of chloroplast TOC–TIC translocon supercomplex

H Liu, A Li, JD Rochaix, Z Liu - Nature, 2023 - nature.com
Chloroplasts rely on the translocon complexes in the outer and inner envelope membranes
(the TOC and TIC complexes, respectively) to import thousands of different nuclear-encoded …

Chloroplast proteostasis: A story of birth, life, and death

LL Gao, ZH Hong, Y Wang, GZ Wu - Plant Communications, 2023 - cell.com
Protein homeostasis (proteostasis) is a dynamic balance of protein synthesis and
degradation. Because of the endosymbiotic origin of chloroplasts and the massive transfer of …

Chloroplast protein translocation pathways and ubiquitin-dependent regulation at a glance

S Nellaepalli, AS Lau, RP Jarvis - Journal of Cell Science, 2023 - journals.biologists.com
Chloroplasts conduct photosynthesis and numerous metabolic and signalling processes that
enable plant growth and development. Most of the∼ 3000 proteins in chloroplasts are …

A viral protein targets mitochondria and chloroplasts by subverting general import pathways and specific receptors

M Sáiz-Bonilla, A Martín-Merchán, V Pallás… - Journal of …, 2023 - Am Soc Microbiol
Dual targeting is a relatively little explored phenomenon by which some proteins are
transported to two different subcellular compartments, such as chloroplasts and …

Regulation of alternative splicing by retrograde and light signals converges to control chloroplast proteins

G Martín - Frontiers in plant science, 2023 - frontiersin.org
Retrograde signals sent by chloroplasts control transcription in the nucleus. These signals
antagonistically converge with light signals to coordinate the expression of genes involved …

Understanding protein translocation across chloroplast membranes: Translocons and motor proteins

DB Kim, C Na, I Hwang, DW Lee - Journal of Integrative Plant …, 2023 - Wiley Online Library
Subcellular organelles in eukaryotes are surrounded by lipid membranes. In an
endomembrane system, vesicle trafficking is the primary mechanism for the delivery of …

Golgi‐localized MORN1 promotes lipid droplet abundance and enhances tolerance to multiple stresses in Arabidopsis

Z Li, Y Gao, J Yan, S Wang, S Wang… - Journal of Integrative …, 2023 - Wiley Online Library
Lipid droplet (LD) in vegetative tissues has recently been implicated in environmental
responses in plants, but its regulation and its function in stress tolerance are not well …