Abscisic acid (ABA) is a key hormone in the ripening of non-climacteric model species Fragaria spp. In this work, we analyzed the content of ABA and its catabolites at different fruit developmental stages in diploid and octoploid genotypes. Besides, we identified two functional ABA glucosyltransferases (FvUGT71A49 and FvUGT73AC3) and two regiospecific ABA 8’-hydroxylases (FaCYP707A4a and FaCYP707A1/3). The accumulation patterns of different ABA catabolites suggest the existence of conserved behaviors among species and varieties but also show that strawberry fruit can prefer a particular metabolic pathway in a certain tissue, variety, and species.
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Abscisic acid (ABA) is a key hormone in the ripening of non-climacteric model species Fragaria spp. In this work, we analyzed the content of ABA and its catabolites at different fruit developmental stages in diploid and octoploid genotypes. Besides, we identified two functional ABA glucosyltransferases (FvUGT71A49 and FvUGT73AC3) and two regiospecific ABA 8’-hydroxylases (FaCYP707A4a and FaCYP707A1/3). The accumulation patterns of different ABA catabolites suggest the existence of conserved beha...
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