Figure 4.
The interactions between abscisic acid (ABA) and other phytohormones in fruit ripening. Dotted arrow and question mark indicate the interaction is not yet clear. ACO, 1-aminocyclopropyl-carboxylic acid oxidase; ACS, 1-aminocyclopropyl-carboxylic acid synthase; AREB/ABF, ABA responsive element binding factor; ARF, auxin response factor; CYP707A, cytochrome P450 monooxygenase; EIN3, ethylene insensitive 3; ERF, ethylene response factor; GA20ox, GA 20-oxidase; HB, homeobox transcription factor; MAPK, mitogen activated protein kinase; NCED, 9-cis-cyclocarotenoid dioxygenase; NOR, non-ripening; SnRK2s, SNF1-related kinases.