GA2OX1 — Solanum lycopersicum

Summary

SlGA2OX1 (SOLYC07G056670.3) on tomato chromosome 7 encodes a protein with domains including DIOX_N and Oxoglu/Fe-dep_dioxygenase, and is annotated with gibberellin 2-oxidase activity, gibberellin 3-beta-dioxygenase activity, and 2-oxoglutarate dioxygenase activity. The gene is associated with chilling tolerance, fruit development, parthenocarpic fruit growth, and gibberellin metabolism in tomato. It is also linked to seed and organ growth, flower formation, and responses to flooding and red/far-red light. Associations extend to numerous fruit and seed traits including fruit weight, size, shape, firmness, seed length, shape, and size, as well as auxin content, stem elongation, leaf dimensions, root length, chlorophyll content, and photosynthetic rate. Studies of related genes in other species link SlGA2OX1 to tuberization, seed development, and tolerance to drought, salt, and low temperature.