Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Protein degradation machineries in plastids.

Wataru Sakamoto¹

¹Research Institute for Bioresources, Okayama University, Kurashiki, Okayama 710-0046, Japan. saka@rib.okayama-u.ac.jp

Annual Review of Plant Biology

|May 4, 2006

Summary

Plastid proteases, including ATP-dependent Clp, FtsH, and Lon, are crucial for protein quality control during plant development and environmental stress. Arabidopsis research reveals diverse roles for these protease isomers.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Prognostic Factors for Cancer-Specific Survival after Recurrence in Chemo-Naïve Stage I-III Colorectal Cancer.

Journal of gastrointestinal cancer·2026

Same author

Prognostic Impact of Histologic Subtypes in Mismatch Repair-Deficient/Microsatellite Instability-High Colorectal Cancer: A Single-Center Retrospective Study of 1127 Stage 0-IV Patients.

Annals of gastroenterological surgery·2026

Same author

Complications and Laboratory Test Findings Among Patients With Generalized Pustular Psoriasis: A Retrospective Chart Review Study.

Experimental dermatology·2026

Same author

Real-world characterization of patients with advanced or metastatic liposarcoma, including dedifferentiated liposarcoma, in Japan in the MASTER KEY project.

Japanese journal of clinical oncology·2026

Same author

[A Case of Fournier's Gangrene Caused by Rectal Cancer Successfully Treated with Staged Robotic Surgery].

Gan to kagaku ryoho. Cancer & chemotherapy·2026

Same author

Chloroplast heat shock protein cpHsc70-1 interacts with thylakoid membrane remodeling protein VIPP1 C-terminal tail and controls VIPP1 oligomer assembly.

PNAS nexus·2026

Area of Science:

Plant Biology
Molecular Biology
Biochemistry

Background:

Plastids, essential organelles in plants, undergo significant changes during development and in response to environmental stimuli.
Maintaining plastid homeostasis relies on precise control of protein quality and quantity, primarily mediated by proteases and chaperones.
While some plastid proteases are known, recent genomic data highlight numerous prokaryotic-origin proteases within chloroplasts.

Purpose of the Study:

To review the current understanding of plastid protease types and their functions.
To present new observations regarding plastid proteases.
To highlight the roles of various protease isomers in plants, particularly in Arabidopsis.

Main Methods:

Literature review of existing research on plastid proteases.
Analysis of genomic information to identify plant proteases of prokaryotic origin.
Molecular genetic characterization of protease isomers in Arabidopsis.

Main Results:

ATP-dependent proteases (Clp, FtsH, Lon) are key players in the processive degradation of plastid proteins.
Plant ATP-dependent proteases share structural similarities with bacterial counterparts but exhibit a greater number of isomers.
Differential functions of these protease isomers have been identified through molecular genetic studies in Arabidopsis.

Conclusions:

Plastid proteases are vital for regulating protein levels and ensuring organelle function under varying conditions.
The diversity of plastid protease isomers suggests specialized roles in plant physiology.
Further research into these proteases will enhance our understanding of plastid biology and plant adaptation.

Related Experiment Videos