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 ...

The revision to the military code of conduct refines the rules to award the excellent, punish violators and streamline relevant procedures. The revised regulations on military formation are added with ...

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 ...