HEL — Nicotiana attenuata

Summary

A4A49_01190 (HEL, PR4A) in Nicotiana attenuata encodes a protein of the PR4 family, containing a Barwin domain and annotated with RNA nuclease, chitin-binding, sugar-binding, hydrolase, transmembrane receptor serine/threonine kinase, and protein-binding activities. The gene is associated with responses to herbivore, virus, water, and ethylene, as well as auxin signaling, systemic acquired resistance, hypersensitive response cell death, phloem transport, leaf vascular tissue pattern formation, photomorphogenesis, seed germination, and embryogenesis. It is linked to secretory vesicle, extracellular, and plasma membrane localisation. Associations include leaf vein morphology, seed maturation, pathogen defense, resistance to Botrytis cinerea, salt tolerance, premature leaf senescence, and abnormal leaf venation. Studies of related PR4 family members in other species connect the family to disease resistance, insect resistance, and salt tolerance during seed germination.