FnCpf1-Mediated Targeted Mutagenesis in Plants

Area of Science:

• Molecular Biology
• Plant Science
• Genetics

Background:

• Sequence-specific nucleases (SSNs) are crucial for generating gene mutants in research.
• Chemical genomics uses bioactive molecules to study gene function by disrupting target proteins.
• Understanding chemical mechanisms in plants requires analyzing mutations in target genes.

Purpose of the Study:

• To describe procedures for targeted mutagenesis in rice and tobacco using FnCpf1.
• To highlight FnCpf1's utility as a versatile SSN in plant genome engineering.
• To demonstrate FnCpf1's application in chemical genomics for elucidating chemical action mechanisms.

Main Methods:

• Utilizing FnCpf1, an RNA-directed endonuclease from Francisella novicida.
• Employing FnCpf1's unique TTN protospacer adjacent motif (PAM) for target recognition.
• Applying FnCpf1-mediated targeted mutagenesis in rice and tobacco plants.

Main Results:

• FnCpf1 functions as a versatile SSN in plant genome engineering.
• FnCpf1's shorter PAM (TTN) offers practical advantages for target selection compared to other Cpf1 variants.
• Successful targeted mutagenesis was achieved in rice and tobacco using FnCpf1.

Conclusions:

• FnCpf1 is a valuable tool for plant genome engineering due to its efficient and flexible targeting.
• FnCpf1-mediated mutagenesis accelerates the understanding of chemical mechanisms in plant chemical genomics.
• The described procedures facilitate FnCpf1 application in crop improvement and functional genomics studies.