HSP70 — Oryza sativa Indica Group

Summary

BGIOSGA034961 (HSP70) on chromosome 11 of Indica rice encodes an ATP-dependent protein folding chaperone belonging to the Hsp70 family, with ATP hydrolase activity and heat shock protein binding capability. The gene is associated with protein refolding, response to heat, response to stress, and response to virus. It has been linked to auxin signaling, basipetal auxin transport, and polar auxin transport, as well as amino acid membrane transport. Associations with agronomically important traits include grain yield per plant, spikelet fertility, spikelet number, plant height, leaf size, root length, relative root length, and heat tolerance. The product localizes to the cytoplasm, chloroplast membrane, ER lumen, and axonemal central pair projection. Studies of related genes in other species link the family to endoplasmic reticulum stress responses.