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. 2021 Nov 22;12:6752. doi: 10.1038/s41467-021-27020-1

Fig. 1. Structures of IAA metabolites and IAA inactivation pathways.

Fig. 1

a Structures of IAA metabolites. b The previous model of IAA catabolic pathways. GH3 and DAO irreversibly inactivate IAA through different pathways. c The new model proposed here: the reversible IAA inactivation pathway composed of GH3, ILR1, and DAO1 in Arabidopsis plants.