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. 2022 May 20;12:8548. doi: 10.1038/s41598-022-11556-3

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Phylogenetic tree of available Asteraceae CYP75B amino acid sequences. The enzymes exhibiting chalcone hydroxylase activity are coloured red and the F3′H from Tagetes erecta showing weak chalcone hydroxylase activity is coloured orange. Note: The sequence of F3′H from Petunia hybrida (Q9SBQ9) has been included for comparison with F3′H from non-Asteraceae species.