UPB1 — Phaseolus vulgaris

Summary

PHAVU_007G089100, symbol UPB1 (PvUPB1) on French bean chromosome 7, encodes a protein with DNA binding transcription factor activity, protein dimerization activity, transcription cis-regulatory region binding, and protein binding, belonging to the bHLH_AtIBH1-like family. The gene is associated with regulation of root development, lateral root formation, the S phase, and regulation of DNA-templated transcription, as well as response to absence of light. It localizes to mitochondria. Phenotypic associations include root system architecture, root length, root growth, and root cell differentiation. Related genes in other species link the family to root meristem development, root thickness, and increased cortex cell number, though these are not established for the bean gene.