Aux/IAA Gene Family in Plants: Molecular Structure, Regulation, and Function
AbstractAuxin plays a crucial role in the diverse cellular and developmental responses of plants across their lifespan. Plants can quickly sense and respond to changes in auxin levels, and these responses involve several major classes of auxin-responsive genes, including the Auxin/Indole-3-Acetic Acid (Aux/IAA) family, the auxin response factor (ARF) family, small auxin upregulated RNA (SAUR), and the auxin-responsive Gretchen Hagen3 (GH3) family. Aux/IAA proteins are short-lived nuclear proteins comprising several highly conserved domains that are encoded by the auxin early response gene family. These proteins have specific domains that interact with ARFs and inhibit the transcription of genes activated by ARFs. Molecular studies have revealed that Aux/IAA family members can form diverse dimers with ARFs to regulate genes in various ways. Functional analyses of Aux/IAA family members have indicated that they have various roles in plant development, such as root development, shoot growth, and fruit ripening. In this review, recently discovered details regarding the molecular characteristics, regulation, and protein–protein interactions of the Aux/IAA proteins are discussed. These details provide new insights into the molecular basis of the Aux/IAA protein functions in plant developmental processes. View Full-Text
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Luo, J.; Zhou, J.-J.; Zhang, J.-Z. Aux/IAA Gene Family in Plants: Molecular Structure, Regulation, and Function. Int. J. Mol. Sci. 2018, 19, 259.
Luo J, Zhou J-J, Zhang J-Z. Aux/IAA Gene Family in Plants: Molecular Structure, Regulation, and Function. International Journal of Molecular Sciences. 2018; 19(1):259.Chicago/Turabian Style
Luo, Jie; Zhou, Jing-Jing; Zhang, Jin-Zhi. 2018. "Aux/IAA Gene Family in Plants: Molecular Structure, Regulation, and Function." Int. J. Mol. Sci. 19, no. 1: 259.
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