'CRISPR-Combo' system speeds regeneration of hard-to-breed perennial crops
Editing a plant's genes is only half the battle. Before a new, improved trait can ever reach a farmer's field, scientists must be able to grow a whole plant from just a few edited cells—a process that can be slow, unreliable and, for some plant species, impossible.
The development of the 'CRISPR-Combo' system marks a significant breakthrough in plant genetic engineering, particularly for perennial crops that are notoriously difficult to breed. While CRISPR technology has revolutionized gene editing, the challenge of regenerating entire plants from edited cells has remained a major bottleneck. This is especially true for perennial crops, which often have complex genomes and are slow to mature, making traditional breeding and regeneration methods impractical.
The 'CRISPR-Combo' system's ability to accelerate regeneration of these crops has far-reaching implications for agriculture and plant breeding. Perennial crops, such as coffee, cocoa, and fruit trees, are crucial for food security and sustainable agriculture, but their long breeding cycles and low yields make them challenging to improve through traditional means. By streamlining the regeneration process, scientists can now more efficiently introduce desirable traits, such as disease resistance, drought tolerance, or improved nutritional content, into these crops.
As researchers continue to refine the 'CRISPR-Combo' system, we can expect to see significant advancements in the field of plant genetic engineering. Key areas to watch include the system's scalability, efficacy across different plant species, and regulatory frameworks governing its use. Additionally, it will be essential to monitor how this technology is adopted by industry stakeholders, including seed companies, farmers, and regulatory agencies, and how it contributes to the development of more resilient, sustainable, and productive agricultural systems.
Originally reported by phys.org. EngineeringNews adds analysis for science & discovery readers.