现在美国JohnsHopkins大学工作的张颖副教授 ,是在国际上有一定影响的旅美中国结核病学家。他在结核病的基础研究方面做了许多开拓性工作 ,如首次克隆了katG基因 ,并揭示了katG基因与结核分支杆菌耐异烟肼的关系等等。2 0 0 2年 12月 ,张颖副教授应邀回到了国内。他在北京做学 Now Associate Professor Zhang Ying who works at Johns Hopkins University in the United States is a TB Chinese scientist in the United States that has certain international influence. He has done many pioneering work in the basic research of tuberculosis, such as the first cloning of the katG gene and revealing the relationship between katG gene and Mycobacterium tuberculosis isoniazid resistance and so on. In December 2002, Associate Professor Zhang Ying was invited back to China. He studies in Beijing