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Base editing in crops: current advances, limitations and future implications.

Rukmini Mishra1, Raj Kumar Joshi2, Kaijun Zhao1

  • 1National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI), Institute of Crop Science, Chinese Academy of Agriculture Sciences (CAAS), Beijing, China.

Plant Biotechnology Journal
|August 1, 2019
PubMed
Summary
This summary is machine-generated.

Base editing precisely modifies plant genomes by converting single DNA bases, accelerating crop improvement for future demands. This genome-editing technology offers a powerful tool for developing elite crop varieties with enhanced agronomic traits.

Keywords:
CRISPR/Cas9adeninebase editorscrop improvementcytidinegenome editing

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Area of Science:

  • Agricultural Science
  • Biotechnology
  • Genetics

Background:

  • Crop improvement relies on targeted genetic modifications.
  • Single nucleotide polymorphisms significantly influence agronomic traits.
  • Genome editing offers precise methods for plant breeding.

Purpose of the Study:

  • To review the development and applications of base editing in crop improvement.
  • To highlight the potential of base editing for generating elite crop variants.
  • To discuss the limitations and future perspectives of base editing technology.

Main Methods:

  • Review of existing literature on base editing platforms.
  • Analysis of current advances in base editing applications for crops.
  • Summarization of base editing technology principles and mechanisms.

Main Results:

  • Base editing enables direct, irreversible conversion of specific DNA bases.
  • It utilizes fusion proteins of inactive CRISPR-Cas9 and deaminase domains.
  • Various base-editing platforms have been developed for precise genome editing.

Conclusions:

  • Base editing is a promising genome-editing tool for accelerating crop improvement.
  • It allows for the generation of desirable point mutations for elite traits.
  • Further research is needed to overcome limitations and fully realize its potential.