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    Home > Biochemistry News > Biotechnology News > Tsinghua University School of Pharmacy Tang Yefeng's group and their collaborators discovered anti-mycobacterial compounds with new mechanism of action

    Tsinghua University School of Pharmacy Tang Yefeng's group and their collaborators discovered anti-mycobacterial compounds with new mechanism of action

    • Last Update: 2022-03-08
    • Source: Internet
    • Author: User
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    Research Background


    research methods



    research results



     Figure 1.
    Structure of IND and initial assessments 


     Figure 2 Assay validation of PPi production in Mtb TrpRS reaction

     Figure 3 The structures and co-crystal structures of Mtb TrpRS



     Table 1 Antimycobacterial activity of IND derivatives against M.
    bovis BCG and Mtb H37Rv 
     Figure 4 Structure analysis of the C-4'substituted IND series compounds



    Figure 5 Dose-response profile of recombinant strains against IND and Y-13 in the absence or presence of ATc



    ▲ Table 2 FICIs of pairwise combinations of Y-13 with TB drugs in vitro
    Figure 6 Isobolograms of Y-13 in combination with IPA and streptomycin
     Figure 7 In vitro kill kinetics of growth inhibitors against M.
    bovis BCG



     Table 3 Frequency of spontaneous resistant mutants of M.
    bovis BCG raised against the compound 
     Table 4 Mutations in the IND resistant mutants of M.
    bovis BCG, identified by whole-genome sequencing

    Analysis conclusion



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