Science, Space and Technology News 2024
Researchers at the University of Florida have utilized CRISPR/Cas9 to modify the leaf angle of sugarcane, significantly enhancing its sunlight capture and biomass yield. This breakthrough in editing the complex, polyploid genome of sugarcane marks a major advancement in crop improvement and biofuel production.
Sugarcane ranks as the top crop globally in terms of biomass yield, contributing to 80 percent of sugar and 40 percent of biofuel production around the world. Its substantial size and optimal utilization of water and light position it as an ideal source for generating innovative renewable bioproducts and biofuels., sugarcane has the most complex genome of all crops. This complexity means that improving sugarcane through conventional breeding is challenging.
The sugarcane genome’s complexity is due in part to its high levels of redundancy: It possesses many copies of each gene. The phenotype that a sugarcane plant displays, therefore, typically depends on the cumulative expression of the multiple copies of a certain gene. The CRISPR/Cas9 system is perfect for this task because it can be designed to edit a few or many copies of a gene at once., a gene that plays a major role in determining leaf angle in sugarcane.
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