Abstract:The complex cell wall and biofilm matrix (ECM) act as key barriers to antibiotics in mycobacteria. Here, the ECM-proteins of Mycobacterium marinum ATCC927, a non-tuberculous mycobacterial model, was monitored over three months by label-free proteomics and compared with cell-surface proteins on planktonic cells to uncover pathways leading to virulence, tolerance, and persistence. We show that ATCC927 forms pellicle-type (PBFs) and submerged-type (SBFs) biofilms after two weeks and two days of growth, respective… Show more
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