At high temperature, S. paradoxus cells die in the act of cell division, as seen by the dyads with cell bodies shriveled away – highlighted by arrows – from the outer cell wall. (Images by Carly Weiss, courtesy of the Brem Lab)

At high temperature, S. paradoxus cells die in the act of cell division, as seen by the dyads with cell bodies shriveled away – highlighted by arrows – from the outer cell wall. (Images by Carly Weiss, courtesy of the Brem Lab)