| Chapter title |
Optogenetics in Plants: Red/Far-Red Light Control of Gene Expression
|
|---|---|
| Chapter number | 9 |
| Book title |
Optogenetics
|
| Published in |
Methods in molecular biology, March 2016
|
| DOI | 10.1007/978-1-4939-3512-3_9 |
| Pubmed ID | |
| Book ISBNs |
978-1-4939-3510-9, 978-1-4939-3512-3
|
| Authors |
Rocio Ochoa-Fernandez, Sophia L. Samodelov, Simon M. Brandl, Elke Wehinger, Konrad Müller, Wilfried Weber, Matias D. Zurbriggen |
| Editors |
Arash Kianianmomeni |
| Abstract |
Optogenetic tools to control gene expression have many advantages over the classical chemically inducible systems, overcoming intrinsic limitations of chemical inducers such as solubility, diffusion, and cell toxicity. They offer an unmatched spatiotemporal resolution and permit quantitative and noninvasive control of the gene expression. Here we describe a protocol of a synthetic light-inducible system for the targeted control of gene expression in plants based on the plant photoreceptor phytochrome B and one of its interacting factors (PIF6). The synthetic toggle switch system is in the ON state when plant protoplasts are illuminated with red light (660 nm) and can be returned to the OFF state by subsequent illumination with far-red light (760 nm). In this protocol, the implementation of a red light-inducible expression system in plants using Light-Emitting Diode (LED) illumination boxes is described, including the isolation and transient transformation of plant protoplasts from Arabidopsis thaliana and Nicotiana tabacum. |
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