Plant genome editing: ever more precise and wide reaching.

Area of Science:

• Plant Science
• Genetics
• Biotechnology

Background:

• Genome-editing technologies like CRISPR/Cas9 have revolutionized biological research since 2012.
• Initial applications focused on gene knockout, but advancements have enabled precise modifications.

Purpose of the Study:

• To review recent highlights in precise gene editing, chromosome engineering, and genome engineering technologies in plants.
• To discuss the parallel advancement of these technologies in crop breeding.

Main Methods:

• Review of recent scientific literature on CRISPR/Cas9 applications.
• Discussion of base editing systems (cytidine and adenosine deaminase) and prime editing systems.
• Examination of chromosome engineering techniques using CRISPR/Cas9.

Main Results:

• CRISPR/Cas9 technology has evolved to enable precise gene editing, including transition and transversion substitutions.
• Development of base editing and prime editing systems allows for highly specific genetic modifications.
• Successful chromosome engineering using CRISPR/Cas9 has been reported, expanding genome engineering capabilities.

Conclusions:

• Current genome-editing technologies allow for precise gene modification and predictable rearrangement of genomes and chromosomes in plants.
• These advancements are rapidly being applied to crop breeding, with numerous examples of successful implementation.
• The field is poised for continued innovation in plant genome engineering.