Affiliation: | [1]Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA; [2]Present address: Heidelberg Institute for Plant Science, Biodiversity and Plant Systematics, Heidelberg University, 69120 Heidelberg, Germany; [3]Present address: Department of Molecular Biology, Pusan National University, 30 Jangjeon-dong, Geumjeong-gu, Busan 609-735, Korea |