Susceptibility of micro-organisms to active oxygen species: sensitivity to the xanthine-oxidase-mediated antimicrobial system.
Susceptibility of micro-organisms to active oxygen species: sensitivity to the xanthine-oxidase-mediated antimicrobial system.
复制标题
微生物对活性氧的敏感性:对黄嘌呤氧化酶介导的抗菌系统的敏感性。
DOI:
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发表时间:
1987
期刊:
影响因子:
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通讯作者:
J. Jidoi
中科院分区:
文献类型:
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作者:
Y. Yamada;H. Saito;H. Tomioka;J. Jidoi
Xanthine oxidase with acetaldehyde as substrate (the XOA system) generated superoxide anion and hydrogen peroxide, but this system had only weak bactericidal activity. Addition of Fe2+ and EDTA to the XOA system (XOA-Fe-EDTA system) increased bactericidal activity against Staphylococcus aureus, Escherichia coli, Listeria monocytogenes and Salmonella typhimurium, although both Mycobacterium tuberculosis and Candida albicans remained highly resistant. Catalase (H2O2 scavenger) and mannitol (.OH scavenger) almost completely inhibited the bactericidal activity of the XOA-Fe-EDTA system whereas SOD (O2- scavenger) was less inhibitory. Azide (1O2 scavenger) caused no such inhibition. The results suggest the possible role of .OH, H2O2 and O2- in the XOA-Fe-EDTA-mediated antimicrobial system, as effector molecules. There was no correlation between resistance of a given bacterium to active oxygen and the level of endogenous active oxygen-scavengers.
DOI:
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发表时间:
1982
期刊:
Federation proceedings
影响因子:
--
作者:
Nathan,CF
通讯作者:
Nathan,CF
影响因子:
3.9
作者:
Rosen,H;Klebanoff,SJ
通讯作者:
Klebanoff,SJ
影响因子:
2.9
作者:
Klebanoff,SJ
通讯作者:
Klebanoff,SJ