NAC3 — Capsicum annuum

Summary

CaNAC3 (T459_20664) on pepper chromosome 7 encodes a NAC domain-containing protein 72, a transcription factor with promoter-specific chromatin binding, sequence-specific DNA binding, and protein homodimerization activity. It localises to both the nucleus and cytoplasm. This gene is associated with carotenoid metabolism and content, fruit size, leaf senescence, chlorophyll degradation and fluorescence, and reproductive structure development including anther and pollen development. CaNAC3 is linked to jasmonic acid signaling, defence responses to fungi, pathogen resistance, and responses to aphids and insect herbivory. It has been connected to abiotic stress tolerance, including drought, salt, combined stress, and thermomemory, as well as stomatal aperture regulation, ABA sensitivity, proline accumulation, and root development. Related genes in other species link the family to drought tolerance, seed development, and abscisic acid sensitivity.