HSC-2 (TRAESCS1A02G285000) — triticum aestivum

Summary

TRAESCS1A02G285000 (symbol HSC-2, also known as TaHSP70) on bread wheat chromosome 1A encodes an ATP-dependent protein folding chaperone belonging to the Hsp70 family, with ATP hydrolase activity and heat shock protein binding capacity. This gene is associated with responses to heat, high light intensity, hydrogen peroxide, salinity, viruses, and general abiotic stress, as well as protein folding in the endoplasmic reticulum, ERAD pathway, ER stress response, and stress granule disassembly. It is linked to grain weight, grain protein content, starch content, carotenoid content, seed germination, grain yield, shoot fresh weight, auxin content, and heat and drought tolerance. The gene is associated with auxin and salicylic acid signaling, seed development, and reproductive structure development. Studies of related genes in other species link the family to spikelet fertility, grain yield, plant height, and osmotic and freezing tolerance.