SPL2 — Oryza sativa Japonica

Summary

OsSPL2 (Os02g0139400) encodes a protein with DNA-binding transcription activator activity, sequence-specific DNA binding, transcription cis-regulatory region binding, DNA binding, zinc binding, and protein binding, belonging to the SBP-domain family. It localises to the nucleus and is associated with the regulation of flowering time, photoperiod sensitivity, leaf shaping, epidermal cell fate specification, secondary shoot formation, stomatal closure, defence response to bacteria, and wax metabolism. The gene has been linked to numerous agronomic traits including grain number, grain size, panicle length, tiller number, plant growth and development, vegetative vigour, chlorophyll content, protein content, lignin content, starch grain synthesis, germination rate, temperature stress response, oxidative stress response, disease tolerance, and spot blotch. Associations with root regeneration, floral organ development, and vegetative-to-reproductive transition have also been reported.