GAPB — Capsicum annuum

Summary

CaGAPB (T459_31090) on pepper chromosome 12 encodes a glyceraldehyde-3-phosphate dehydrogenase with NADP+ and NAD+ phosphorylating activity, also annotated with histone acetyltransferase and kinase functions. The enzyme is localised to the chloroplast stroma, thylakoid membrane, envelope and stromules, as well as the apoplast, plasmodesmata and cytosol. It is associated with the reductive pentose-phosphate cycle, ascorbate glutathione cycle, TCA cycle, glucose metabolism, autophagy, photomorphogenesis, leaf vascular pattern formation, and chlorophyll fluorescence. The gene has been connected to photosynthetic rate, bacterial blight disease resistance, brassinosteroid sensitivity, stomatal closure time, osmotic stress tolerance, DNA methylation, gene silencing, lateral root development, and pathogen-induced cell death. Related genes in other species link the family to defense responses, bacterial and fungal disease resistance, chitin-induced immune signaling, and thermotolerance.