Mycobacteriocins produced by rapidly growing mycobacteria are Tween-hydrolyzing esterases

DOI Web Site 被引用文献2件 参考文献31件

書誌事項

公開日
1983-03
権利情報
  • https://journals.asm.org/non-commercial-tdm-license
DOI
  • 10.1128/jb.153.3.1294-1300.1983
公開者
American Society for Microbiology

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説明

<jats:p>Smegmatocin, a protein produced by Mycobacterium smegmatis ATCC 14468, was found to have an esterase activity, hydrolyzing Tween 80, polyoxyethylene sorbitan monooleate, added to the assay medium for various "bacteriocins" from mycobacteria. Because M. diernhoferi ATCC 19340 (indicator strain for smegmatocin) is highly susceptible to oleic acid and smegmatocin requires Tween 80 for manifestation of its anti-M. diernhoferi activity, it is likely that smegmatocin-mediated antimicrobial action is caused by oleic acid generated by hydrolysis of Tween 80 by the inherent esterase action of smegmatocin. Other mycobacteriocins from rapidly growing mycobacteria also have inherent esterase activity against Tween 80 and require Tween 80 for expression of antimycobacterial action. Smegmatocin was found to hydrolyze various polyoxyethylene (sorbitan) fatty acyl esters but not sorbitan monooleate and glyceryl esters.</jats:p>

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