作者单位:Laboratory of Biochemistry, Wageningen University, Dreijenlaan 3, 6703HA Wageningen, Netherlands[1]Institute for Plant Sciences, University of Bern, Altenbergrain 21, Bern 3013, Switzerland[2]School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom[3]Department of Computer Science, University of Calgary, Calgary, AB T2N 1N4, Canada[4]