作者单位:Institute of Plant Genetics, Consiglio Nazionale delle Ricerche, 80055 Portici, Italy[1]John Innes Centre, Norwich NR4 7UH, United Kingdom[2]Institute of Plant Genetics, National Research Council, 70126 Bari, Italy[3]Pharmaco-Biology Department, Laboratory of Biochemistry and Molecular Biology, University of Bari, 70126 Bari, Italy[4]