PRK1 — Solanum lycopersicum

Summary

SlPRK1 (SOLYC07G017230.3) on tomato chromosome 7 encodes a receptor-like kinase (RLK) with leucine-rich repeats and protein kinase activity, annotated as a transmembrane receptor protein serine/threonine kinase. The gene is associated with pollen tube adhesion, pollen hydration, fruit abscission, and reproductive behavior, as well as paracrine and autocrine signaling, protein kinase A activation, and regulation of autophagy. It has been linked to fruit width, length, shape, and size, harvest index, flower abortion, plant height, stem elongation, tiller number, inflorescence number, net photosynthetic rate, stomatal resistance, germination rate, and drought tolerance. The product localizes to the apical plasma membrane, pollen tube, endosome, and nucleus. Related genes in other species are linked to pollen tube growth, pollen germination, and pollen tube polar growth.