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. 2019 Feb 1;6:24. doi: 10.1038/s41438-018-0104-4

Fig. 10. Model for PmBEAT gene evolution and function in the flowers of P. mume.

Fig. 10

Two copies of PpBEAT genes exist in the genome of P. persica, but the expression of 2 PpBEATs genes was not observed in the flowers. Forty-four copies of PmBEAT genes were produced through gene expansion, and the expression of PmBEAT34, PmBEAT36 and PmBEAT37, which were generated by tandem duplications, were actively observed in the flowers and resulted in the high benzyl alcohol acetyltransferase activity observed in P. mume. In addition, benzyl alcohol can be synthesized in P. mume, but not in P. persica. Therefore, benzyl acetate, which is the main component of characteristic floral scent, can be synthesized in P. mume