- Simultaneous down-regulation of caffeic/5-hydroxy ferulic acid-O-methyltransferase I and cinnamoyl-coenzyme A reductase in the progeny from a cross between tobacco lines homozygous for each transgene. Consequences for plant development and lignin synthesis. Pinçon, G., Chabannes, M., Lapierre, C., Pollet, B., Ruel, K., Joseleau, J.P., Boudet, A.M., Legrand, M. Plant Physiol. (2001)