Epigenetic tools have transformed plant breeding by providing methods to modify gene expression without altering DNA sequences. Techniques like DNA methylation, histone modification, and RNA-directed DNA methylation (RdDM) regulate gene activity, impacting traits such as flowering time, stress tolerance, and disease resistance. Epigenetic changes can be stable and inherited across generations, providing breeders with a novel means to develop superior crop varieties. CRISPR/dCas9-based epigenetic editing, for example, allows precise modifications of gene expression. These tools complement traditional breeding, offering potential for developing resilient crops suited for changing environments.
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