Auxin methylation is required for differential growth in Arabidopsis
M. Abbas, G.J. Hernández, S. Pollmann, S.L. Samodelov, M. Kolb, J. Friml, U.Z. Hammes, M.D. Zurbriggen, M. Blázquez, D. Alabadí, PNAS 115 (2018) 6864–6869.

Termination of shoot gravitropic responses by auxin feedback on PIN3 polarity
H. Rakusová, M. Abbas, H. Han, S. Song, H. Robert, J. Friml, Current Biology 26 (2016) 3026–3032.