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LC/MS traces (ion counts) of ion extraction for the ion [M + H]+ at m/z 317 (ligiamycin A) (a) in a pure culture of Streptomyces sp. GET02.ST, (b) in a pure culture of Achromobacter sp. GET02.AC, and (c) in a co-culture. The LC/MS analyses were acquired with 10–100% aqueous CH3CN over 20 min.
