植物抗冻蛋白研究进展

董小云, 魏家萍, 崔俊美, 武泽峰, 郑国强, 李辉, 王莹, 田海燕, 刘自刚

Research Progress in Plant Antifreeze Protein

Xiaoyun Dong, Jiaping Wei, Junmei Cui, Zefeng Wu, Guoqiang Zheng, Hui Li, Ying Wang, Haiyan Tian, Zigang Liu

图1 白菜型冬油菜叶片质外体蛋白质粗提物冰晶形态修饰和重结晶抑制活性 (A) 低温处理幼苗叶片质外体粗提液在-7°C恒温50分钟后的冰晶生长情况(具有高重结晶抑制活性); (B) 常温处理幼苗叶片质外体粗提液在-7°C恒温50分钟后的冰晶生长情况; 图中有不规则冰晶体、尖长锥形冰晶体、近椭圆形冰晶体、梭形冰晶体和棒状冰晶体。Bars=10 μm

Figure 1 Ice crystal morphology modification and recrystallization inhibition activity of crude extracts of Brassica rapa leaf plastid exosome proteins (A) Growth of ice crystals after 50 min at -7°C in the crude extracts of plasmalemma exosomes from low temperature treated seedlings (with high recrystallization inhibition activity); (B) Growth of ice crystals after 50 min at -7°C in the crude extracts of plasmalemma exosomes from room temperature treated seedlings; The ice crystals in the figure are irregular ice crystals, pinted elongated conical ice crystals, subelliptical ice crystals, pike shaped ice crystals, and rod shaped ice crystals. Bars=10 μm