PT - JOURNAL ARTICLE AU - Xu, Haiqing AU - Zhang, Jianzhi TI - The genetic code is not optimized for resource conservation AID - 10.1101/2021.02.08.430341 DP - 2021 Jan 01 TA - bioRxiv PG - 2021.02.08.430341 4099 - http://biorxiv.org/content/early/2021/02/16/2021.02.08.430341.short 4100 - http://biorxiv.org/content/early/2021/02/16/2021.02.08.430341.full AB - Shenhav and Zeevi conclude in a recent article (Science 370:683-687) that the universal genetic code (UGC) is optimized for resource conservation because mutations are less likely to increase proteomic nitrogen and carbon uses under the UGC than under random genetic codes (RGCs). Their finding results from miscalculating mutational effects and benchmarking against biased RGCs. Our reanalysis refutes their conclusion.Competing Interest StatementThe authors have declared no competing interest.