LKR — Brassica oleracea

Summary

BoLKR (BOLC102_C01P005860.1_BOLC102_V1) on cabbage chromosome 1 encodes a bifunctional lysine-ketoglutarate reductase/saccharopine dehydrogenase (LKR/SDH) enzyme with saccharopine dehydrogenase (NADP+, L-lysine-forming) activity. This gene is associated with L-lysine breakdown, the pentose-phosphate shunt, TCA cycle, stomatal closure, NO storage, and leaf senescence. The product localises to mitochondria and cytosol. Associations with quantum yield, chlorophyll content, and drought tolerance have been recorded. Studies of related genes in other species link the LKR/SDH family to lysine catabolism, seed germination, plant growth, lysine content, stress response, osmotic stress tolerance, mitochondrial function, salt tolerance, ABA sensitivity, and salt stress tolerance.