Tissue specific expression and JA induction of selected TFs. Transcript levels for (a) SlMYC1 (b) SlWRKY78, (c) SlWRKY28 and (d) SlWRKY73 as determined by Q-RT-PCR. Mean values (+SE) of 3 biological replicas are shown, normalized for Actin expression. L; leaf, WS; whole stem, BS; bald stem, T; stem trichomes, R; root, Fr; fruit, Fl; flower; C; control and JA; jasmonic acid induced stem trichomes. ns; not significant according to T-test.