HEL — Cucumis sativus

Summary

CsHEL (CSA_2G010340) on cucumber chromosome 2 encodes a PR4 family protein containing a Barwin domain and the RlpA-like superfamily fold. The product exhibits RNA nuclease, chitin-binding, sugar-binding, hydrolase, and transmembrane receptor serine/threonine kinase activities, and is localised to secretory vesicles, the extracellular space, and the plasma membrane. CsHEL is associated with responses to herbivores, viruses, ethylene, auxin signalling, and brassinosteroid signalling, as well as systemic acquired resistance, the hypersensitive response, programmed cell death, fruit development, phloem transport, leaf vascular pattern formation, lipid storage, lipogenesis, and reactive oxygen species metabolism. The gene has been connected to leaf vein morphology, leaf number, chlorophyll content, plant height, pathogen defense, wilt symptom development, resistance to Botrytis cinerea, salt tolerance, premature senescence, and abnormal leaf venation.