为了解决体外重构减数分裂DSB形成这一难题，童明汉课题组利用体外蛋白表达纯化系统成功获得了SPO11-TOP6BL复合体，并首次在体外重现其切割DNA双链的活性。之后，与新华医院黄旲团队合作，采用凝胶过滤层析、交联质谱、Pull ...

BEIRUT, Feb. 8 (Xinhua) -- The Lebanese Presidency announced Saturday the formation of a new 24-member government headed by Prime Minister Nawaf Salam. According to local TV channel al-Jadeed, Salam ...