BEL1 — Solanum tuberosum

Summary

PGSC0003DMG400012329, the potato gene BEL1 (also known as StBEL1 or BEL14) on chromosome 8, encodes a homeobox domain-containing protein with DNA-binding transcription factor activity and sequence-specific DNA binding to RNA polymerase II cis-regulatory regions. This nuclear protein is associated with a wide range of biological processes, including response to short-day conditions, starch anabolism, auxin signaling and anabolism, hormone metabolism, phloem transport, root development, lateral root formation, cell division and growth, cellular homeostasis, protein modification, RNA metabolism, and virus-induced post-transcriptional gene silencing. The gene is also linked to starch content. Studies of related genes in other species connect the family to fruit weight, chlorophyll content, and drought tolerance.