Lights up on organelles: Optogenetic tools to control subcellular structure and organization

Therese C. Kichuk, César Carrasco-López, José L. Avalos

Research output: Contribution to journalReview article

Abstract

Since the neurobiological inception of optogenetics, light-controlled molecular perturbations have been applied in many scientific disciplines to both manipulate and observe cellular function. Proteins exhibiting light-sensitive conformational changes provide researchers with avenues for spatiotemporal control over the cellular environment and serve as valuable alternatives to chemically inducible systems. Optogenetic approaches have been developed to target proteins to specific subcellular compartments, allowing for the manipulation of nuclear translocation and plasma membrane morphology. Additionally, these tools have been harnessed for molecular interrogation of organelle function, location, and dynamics. Optogenetic approaches offer novel ways to answer fundamental biological questions and to improve the efficiency of bioengineered cell factories by controlling the assembly of synthetic organelles. This review first provides a summary of available optogenetic systems with an emphasis on their organelle-specific utility. It then explores the strategies employed for organelle targeting and concludes by discussing our perspective on the future of optogenetics to control subcellular structure and organization. This article is categorized under: Laboratory Methods and Technologies > Genetic/Genomic Methods Physiology > Physiology of Model Organisms Biological Mechanisms > Regulatory Biology Models of Systems Properties and Processes > Cellular Models.

Original languageEnglish (US)
JournalWiley Interdisciplinary Reviews: Systems Biology and Medicine
DOIs
StateAccepted/In press - 2020

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Biochemistry, Genetics and Molecular Biology (miscellaneous)

Keywords

  • bioengineering
  • control
  • optogenetics
  • organelles
  • subcellular

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