Regeneration of transplastomic plants on medium containing ALS-inhibiting herbicides. Transgenic plants comprising A122V, G121V, P197S, or W574L/S653I mALSs were regenerated on RMOP medium supplemented with 0.5 g L−1 SP, 0.1 μm BM, 0.1 μm PS, or 1 μm IP.