LOX — Beta vulgaris subsp. vulgaris

Summary

BvLOX (BVRB_5G116770) on sugar beet chromosome 5 encodes a lipoxygenase family protein with linoleate 13S-lipoxygenase and oxidoreductase activities, and is also associated with phytoene dehydrogenase, peroxidase, salicylic acid binding, and RNA cap binding functions. The gene is associated with lipid oxidation, oxylipin and jasmonic acid anabolism, green leaf volatile biosynthetic process, and responses to herbivores, insects, fungi, viruses, ozone, and high light intensity. It is linked to photoperiod-sensitive flowering time, seed yield, photosynthetic rate, root thickness, and low temperature stress response. Localization evidence places the product in chloroplast thylakoid membranes, stromules, stress granules, and the apoplast. Studies of related lipoxygenase genes in other species link the family to jasmonate signaling, wound response, herbivore resistance, drought tolerance, and resistance to fungal and viral pathogens.