CAT1 — Brassica juncea

Summary

BJUB03G51590S (CAT1, also known as BjCAT3) encodes a catalase family protein with catalase haem-binding and immune-responsive domains, annotated with S-nitrosylase, nucleoside diphosphate kinase, histone acetyltransferase, and DNA-binding transcription factor activities. The gene is associated with hydrogen peroxide catabolism, cellular response to hydrogen peroxide and superoxide, regulation of programmed cell death, systemic acquired resistance, aerenchyma formation, and responses to oomycete molecules and nutrient starvation. It localizes to the peroxisomal lumen, tonoplast, chloroplast envelope, and apoplast. Associations include leaf chlorosis, biomass yield, photosynthetic rate, seed yield, water use efficiency, root length and thickness, stomatal closure, low-temperature stress response, disease tolerance, and salt tolerance. Related genes in other species link the family to catalase activity, stress response, cell death regulation, and pollen hydration.