Sophisticated CRISPR/Cas tools for fine-tuning plant performance

Area of Science:

• Plant genomics
• Molecular biology
• Biotechnology

Background:

• CRISPR/Cas nucleases have revolutionized plant genome engineering.
• Accessibility to plant genomes has significantly increased.
• Early methods focused on targeted mutagenesis.

Purpose of the Study:

• To review recent progress in CRISPR/Cas-based tool development for plant genome engineering.
• To evaluate the importance of these developments for breeding and biotechnological applications.

Main Methods:

• Overview of CRISPR/Cas-based tool development.
• Discussion of base editors, prime editors, gene targeting, and chromosome engineering.
• Exploration of transcriptional and post-transcriptional regulation methods.

Main Results:

• CRISPR/Cas tools now allow precise genomic modifications from single base pairs to megabases.
• Base editors enable single nucleotide substitutions.
• Prime editors and gene targeting facilitate larger sequence modifications (kbp range).
• CRISPR/Cas-mediated chromosome engineering allows Mbp-range inversions and translocations.
• Sequence-specific recruitment of regulatory factors offers fine-tuning of plant performance.

Conclusions:

• Novel CRISPR/Cas tools provide unprecedented control over plant genome structure and function.
• These advancements offer new strategies for breaking and fixing genetic linkages in plant breeding.
• CRISPR/Cas technology holds significant potential for advancing plant breeding and biotechnological applications.