AR4-2J was bought from ATCC (Rockville, MD, USA) and cultured in DMEM/F12 supplemented with 20% fetal bovine serum in a CO2 incubator under humidified atmosphere (5% CO2/95% air) at 37 °C, as reported before [1 (link),2 (link),28 (link),33 (link),52 (link)].
Solid E. coli medium LB/Kana and LB/Amp were sterilized and culture plates made. Liquid E. coli medium LB/Kana and LB/Amp had the same composition, but without agar.
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