TPS5 — Cucumis sativus

Summary

CsTPS5 (CSA_6G520240) on cucumber chromosome 6 encodes an alpha,alpha-trehalose-phosphate synthase (UDP-forming; EC 2.4.1.15) with trehalose-phosphatase and DNA-binding transcription factor activities. It is associated with mycose biosynthesis, fruit development, regulation of secondary shoot formation, ethylene anabolism, ethene mediated signalling, sucrose metabolism, and responses to abscisic acid, heat, hypoxia, and thirst. The gene is linked to fruit length and firmness, yield, photosynthetic rate, temperature and oxidative stress responses, and disease tolerance. Phenotypic associations include thermotolerance, water-use efficiency, stomatal development and closure, seed germination, sugar and ABA signalling, and defence responses to Botrytis cinerea and Pseudomonas syringae. Studies of related genes in other species connect the family to trehalose-6-phosphate biosynthesis, carbon utilisation, heat tolerance, and bacterial infection resistance.