拟南芥黏连蛋白RAD21对增强UV-B辐射后细胞分裂的响应

贺芳芳,陈慧泽,冯金林,高琳,牛娇,韩榕

Response of Arabidopsis Cohesin RAD21 to Cell Division after Enhanced UV-B Radiation

Fangfang He,Huize Chen,Jinlin Feng,Lin Gao,Jiao Niu,Rong Han

表1 UV-B辐射对拟南芥有丝分裂的影响

Table1 Effects of the UV-B radiation on mitosis of Arabidopsis thaliana

Treatment Total of observing cells Total of dividing cells Total of aberration cells Percentage of dividing cells (%) Percentage of chromosomal aberration (%) WT CK 5390 195 8 3.6±0.202 a 0.148±0.102 c WT UV-B 5376 166 25 3.08±0.258 c 0.465±0.056 b atrad21.3 CK 6998 215 32 3.07±0.195 c 0.457±0.085 b atrad21.3 UV-B 7044 194 45 2.75±0.182 d 0.638±0.105 a 35S:RAD21.3 CK 5603 186 7 3.3±0.132 ab 0.125±0.136 c 35S:RAD21.3 UV-B 5536 193 21 3.48±0.129 ab 0.379±0.125 bc