FHA — Triticum aestivum

Summary

TRAESCS6A02G223700, designated TaFHA (also known as TaCRY2-6A), encodes a photolyase/cryptochrome alpha/beta domain-containing protein on bread wheat chromosome 6A. The product possesses DNA (6-4) photolyase activity, CPD photolyase activity, blue light photoreceptor activity, red/far-red light photoreceptor activity, histone kinase activity, and FAD binding. TaFHA is associated with regulation of post-embryonic development, photoreactive repair, circadian clock photoentrainment, response to strigolactone, and positive regulation of ROS metabolism. It has been linked to salt stress response in wheat, and to traits including grain dormancy, photoperiod-sensitive flowering time, photosynthetic ability, starch grain synthesis, and responses to blue, red, far-red, and UV light. The protein localizes to the nucleus, cytosol, plasmalemma, mitochondria, and plant-type vacuole. Studies of related genes in other species connect the family to photoperiodic flowering, circadian clock entrainment, osmotic stress tolerance, and seed dormancy.