Rewiring gene circuitry for plant improvement

Area of Science:

• Plant molecular biology
• Synthetic biology
• Agricultural science

Background:

• Climate change and limited technology adoption pose significant challenges to achieving high crop growth, yield, nutritional quality, and bioproduction.
• Understanding the genetic basis of plant phenotypes is crucial for developing resilient and productive crops.

Purpose of the Study:

• To review recent advances in profiling and modeling gene regulatory activity in plants.
• To explore how these advances, coupled with new technologies, can address agricultural and environmental challenges.

Main Methods:

• Profiling and modeling gene regulatory activity over developmental and response time in specific plant cells.
• Utilizing synthetic biology tools for tunable, spatiotemporal regulation of transgenes.
• Employing gene-editing technologies to manipulate the regulation of native genes.

Main Results:

• Gene regulatory activity variations explain differences in plant phenotypes.
• Key regulators are redeployed to new contexts and repurposed to control different gene sets.
• Synthetic biology and gene editing enable precise control over gene expression.

Conclusions:

• Understanding plant gene circuitry is key to controlling form and function across species.
• Advanced technologies for rewiring gene circuitry offer solutions for agriculture, energy, and environmental challenges.
• This approach holds potential for enhancing crop resilience and productivity in a changing climate.