MYB transcription factors are widely involved in the development of and physiological processes in plants. Here, we isolated the chrysanthemum R2R3-MYB family transcription factor , a homologous gene of . It was demonstrated that expression was induced by aphids and that CmMYB15 could bind to AC elements, which usually exist in the promoter of lignin biosynthesis genes. Overexpression of in chrysanthemum enhanced the resistance of aphids. Additionally, the content of lignin and the expression of several lignin biosynthesis genes increased. In summary, the results indicate that regulates lignin biosynthesis genes that enhance the resistance of chrysanthemum to aphids.
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| http://dx.doi.org/10.1038/s41438-019-0166-y | DOI Listing |
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