TY - RPRT TI - Fitness effects of new mutations are small and heavily confounded with non-genetic sources of variation in Escherichia coli AU - Grosse-Sommer, J. M. AU - Newman, D. AU - Hadfield, J. D. PY - 2026 DO - 10.64898/2026.08.23.746582 UR - https://www.biorxiv.org/content/10.64898/2026.08.23.746582v1 ID - 10.64898/2026.08.23.746582 ER -