BAM1 — Arabidopsis thaliana

Summary

AT3G23920, also known as BAM1 or beta-amylase 1, encodes a beta-amylase enzyme (EC 3.2.1.2) with DNA-binding transcription factor activity and protein-binding capability, localizing to chloroplast stroma, cytosol, nucleus, endoplasmic reticulum, secretory vesicles, and extracellular space. In Arabidopsis thaliana, BAM1 is associated with starch metabolism and degradation, maltose anabolism, polysaccharide breakdown, and regulation of starch metabolism. It is linked to shoot apical meristem maintenance and size, stem cell differentiation and renewal, xylem patterning, protophloem differentiation, vascular development, organ formation, anther and male gametophyte development, and male fertility. The gene is associated with dehydration, osmotic, and heat stress responses, disease resistance, virus movement, and traits including respiration rate, photosynthetic rate, stomatal opening, sucrose and sugar content, root length and thickness, leaf shape, and plant growth and development.