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Fig. 6 | BMC Plant Biology

Fig. 6

From: Tree peony variegated flowers show a small insertion in the F3’H gene of the acyanic flower parts

Fig. 6

A proposed model for the flower color in ‘Er Qiao.’ Red arrows represent the main branch of the flavonoid pathway in cyanic flowers, and the blue arrows represent the main branch in acyanic flowers. The orange arrow represents a potentially very inefficient step. L1 and L2 indicate different layers of floral meristems. C represents the F3’H-cyanic gene, c represents the F3’H-acyanic gene, c1 represents a putative non-transcribed f3’h gene with no 6-bp insertion (F3’H-acyanic2). a. Acyanic flower carrying two nonfunctional alleles of the F3’H gene. b. Cyanic flower derived from a periclinal chimera. L1 layer carrying one functional F3’H allele. c. Variegated flower (displaying acyanic and cyanic somatic sectors) derived from a mericlinal chimera. A fraction of the L1 layer carrying one functional F3’H allele

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