Objective:The genotoxicity and its molecular mechanism of gasoline vehicle exhaust were studied through examining exhaust components and the oxidative DNA damage induced by them.

• 目的:通过研究燃汽油机动车尾气成分,及其对DNA分子的氧化损伤,在分子生物学水平上探讨燃汽油机动车尾气污染物的遗传毒性效应与机制。