CTR1 — Brassica oleracea var. botrytis

Summary

BoCTR1, located on chromosome 3 of cauliflower (Brassica oleracea var. botrytis), encodes a dual-specificity protein kinase with ethylene receptor activity, ethene binding, and MEKK activity, and belongs to the EDR1/CTR1/ARMC3-like protein kinase family. This gene is associated with detection of ethylene stimulus, jasmonic acid/ethylene-dependent systemic resistance, and downregulation of ethylene-mediated signaling. It is linked to regulation of stem cell renewal, seedling development, root hair cell differentiation, photosynthesis, and seed dormancy. BoCTR1 is associated with traits including phosphorus concentration, fruit ripening, seed yield, photosynthetic rate, temperature stress response, herbicide sensitivity, anthocyanin content, and stomatal resistance. Studies of related genes in other species link the family to ethylene signal transduction, fruit ripening, disease resistance, and salinity tolerance.