[enllaç sense format]http://pcp.oxfordjournals.org/cgi/content/abstract/38/3/236 Plant and Cell Physiology, 1997, Vol. 38, No. 3 236-242 Induction of CAM in Mesembryanthemum crystallinum Abolishes the Stomatal Response to Blue Light and Light-Dependent Zeaxanthin Formation in Guard Cell Chloroplasts. Gary Tallman1, Jianxin Zhu2, Bruce T. Mawson et al