ShanghaiInstituteofPlantPhysiologyandEcology;
ShanghaiInstitutesofBiologicalSciences;
TheChineseAcademyofSciences;
Shanghai200032;
China;
DepartmentofBiochemistry;
AlbertEinsteinCollegeofMedicine;
1300MorrisParkAve;
Bronx.NY;
10461;
DepartmentofPlantandMicrobialBiology;
UniversityofCalifornia;
Berkeley;
CA94720;
USA;