TY - RPRT TI - Tunneling through time: Horizontal gene transfer constrains the timing of methanogen evolution AU - Wolfe, J. M. AU - Fournier, G. P. PY - 2017 DO - 10.1101/129494 UR - https://www.biorxiv.org/content/10.1101/129494v1 ID - 10.1101/129494 ER -