AP2 — Capsicum annuum

Summary

CaAP2 (T459_22814) on pepper chromosome 9 encodes a DNA-binding transcription factor of the AP2/ERF domain superfamily, with sequence-specific DNA binding, transcription corepressor and coactivator activities, blue light photoreceptor activity, and protein homodimerization activity. It is associated with regulation of floral organ abscission, seed development and abscission, starch biosynthesis, mannose and nucleotide metabolism, polyamine anabolism, negative regulation of cellulose biosynthesis, photoentrainment of the circadian clock, and downregulation of innate immune responses. The gene is linked to traits including seed color, branch angle, photoperiod-sensitive flowering time, plant male sterility, salt response, aphid and insect damage response, potassium sensitivity, starch grain synthesis, and shoot system elongation rate. Related genes in other species are linked to floral organ identity, trichome development, seed mucilage production, drought tolerance, and defense against pathogens and insects.