Affiliation: | 1. College of Life Science, Qingdao Agricultural University, Qingdao, P.R. China.; 2. Key Laboratory of Molecular Biology, College of Heilongjiang Province, Heilongjiang University, Harbin, P.R. China.; 3. Plant Bioengineering Laboratory, Northeast Agricultural University, Harbin, P.R. China.; National Taiwan University, Taiwan, |