TY - RPRT TI - An octopine synthase enhancer element directs tissue-specific expression and binds ASF-1, a factor from tobacco nuclear extracts. AU - H Fromm AU - F Katagiri AU - N H Chua PY - 1989 DO - 10.1105/tpc.1.10.977 UR - https://pubmed.ncbi.nlm.nih.gov/2562557/ ID - 2562557 ER -