PMID: 9537755Apr 16, 1998Paper

Stazyme, a mycobacteriolytic preparation from a Staphylococcus strain, is able to break the permeability barrier in multiple drug resistant Mycobacterium avium

FEMS Immunology and Medical Microbiology
N RastogiS Clavel-Sérès

Abstract

As a strategy to augment the potential of existing drugs against Mycobacterium avium we investigated a mycobacteriolytic preparation (stazyme) from the Staphylococcus strain Clavelis, which results in significant mycobacterial growth inhibition. A total of 10 specific protein bands were characterized in the stazyme preparation: three bands within a major 40-60 kDa fraction, five bands within the range of 30-90 kDa, and two bands of about 12 and 14 kDa respectively. Tested at concentrations of 50 and 200 microg ml(-1) of total protein, stazyme was highly bactericidal against M. smegmatis, and bacteriostatic against M. tuberculosis and M. avium. Stazyme was able to break the permeability barrier of M. avium isolates, significantly enhancing the activity of other antituberculous drugs (ethambutol, rifampicin, and amikacin), used at sub-MIC level. Stazyme essentially possessed a lytic activity as evidenced by its ability to lyse purified M. smegmatis cell walls. This lytic activity was also confirmed on intact M. smegmatis and M. avium bacilli by transmission electron microscopy. Precise identification of this mycobacteriolytic determinant(s) in stazyme may be helpful to define novel drug targets in mycobacteria.

References

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Citations

Aug 26, 2004·Antimicrobial Agents and Chemotherapy·Julie S PhilalayGerard A Cangelosi
Jan 27, 2006·Antimicrobial Agents and Chemotherapy·Gerard A CangelosiMarcel A Behr
Jul 22, 2011·Veterinary Medicine International·Kuldeep DhamaPradeep Mahadev Sawant
Jul 29, 2017·Archiv der Pharmazie·Zsolt LutzTamás Lóránd

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