Metagenomics reveals pervasive bacterial populations and reduced community diversity across the Alaska tundra ecosystem oleh Eric Robert Johnston, Luis Miguel Rodríguez-R, Chengwei eLuo, Mengting M Yuan, Liyou eWu, Zhili eHe, Edward A.G. Schuur, Yiqi eLuo, James M. Tiedje, Jizhong eZhou, Konstantinos T Konstantinidis