Enzymes for Gibson Assembly preparation were purchased in NEB (Ipswich, MA, USA). Media were from Helicon (Moscow, Russia). Oligonucleotides were made by Syntol (Moscow, Russia). All chemicals were of analytical purity. Hydrogen peroxide (H2O2) was obtained from Ferraine (Moscow, Russia). Mitomycin C (MitC) and methyl methanesulfonate (MMS) were obtained from Sigma-Aldrich (St. Louis, MO, USA). 2,2′-bis(bicyclo[2.2.1] heptane) (BBH) was synthetized as in previous work [32 (link)]. All test solutions and their dilutions were prepared immediately before use.
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