ANTIOXIDANT FUNCTION OF FUNGAL MELANIN

被引:150
作者
JACOBSON, ES
TINNELL, SB
机构
[1] VIRGINIA COMMONWEALTH UNIV,DEPT MED,RICHMOND,VA 23298
[2] VIRGINIA COMMONWEALTH UNIV,DEPT MICROBIOL & IMMUNOL,RICHMOND,VA 23298
关键词
D O I
10.1128/jb.175.21.7102-7104.1993
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Polyphenols have been implicated in the virulence and oxidant resistance of Cryptococcus neoformans. Although monomeric polyphenols did not protect against the prooxidant, plumbagin, polymeric dopamine-melanin melanin conferred resistance both to hypochlorite and to permanganate. The physiologic antioxidant capacity conferred by melanin was found to be 21.3 x 10(-15) mole-equivalents per cell, a value which approximates oxidant production by stimulated macrophages.
引用
收藏
页码:7102 / 7104
页数:3
相关论文
共 19 条
[11]   MELANIN-LACKING MUTANTS OF CRYPTOCOCCUS-NEOFORMANS AND THEIR VIRULENCE FOR MICE [J].
KWONCHUNG, KJ ;
POLACHECK, I ;
POPKIN, TJ .
JOURNAL OF BACTERIOLOGY, 1982, 150 (03) :1414-1421
[12]   NEW, SPECIAL STAIN FOR HISTOPATHOLOGICAL DIAGNOSIS OF CRYPTOCOCCOSIS [J].
KWONCHUNG, KJ ;
HILL, WB ;
BENNETT, JE .
JOURNAL OF CLINICAL MICROBIOLOGY, 1981, 13 (02) :383-387
[13]   MACROPHAGE OXYGEN-DEPENDENT ANTI-MICROBIAL ACTIVITY .3. ENHANCED OXIDATIVE-METABOLISM AS AN EXPRESSION OF MACROPHAGE ACTIVATION [J].
MURRAY, HW ;
COHN, ZA .
JOURNAL OF EXPERIMENTAL MEDICINE, 1980, 152 (06) :1596-1609
[14]   HYDROGEN-PEROXIDE METABOLISM IN HUMAN-MONOCYTES DURING DIFFERENTIATION INVITRO [J].
NAKAGAWARA, A ;
NATHAN, CF ;
COHN, ZA .
JOURNAL OF CLINICAL INVESTIGATION, 1981, 68 (05) :1243-1252
[15]   STRUCTURE OF MELANINS + MELANOGENESIS .4. ON SOME NATURAL MELANINS [J].
NICOLAUS, RA ;
PIATTELLI, M ;
FATTORUSSO, E .
TETRAHEDRON, 1964, 20 (05) :1163-&
[16]   PHENOLOXIDASE ACTIVITY AND VIRULENCE IN ISOGENIC STRAINS OF CRYPTOCOCCUS-NEOFORMANS [J].
RHODES, JC ;
POLACHECK, I ;
KWONCHUNG, KJ .
INFECTION AND IMMUNITY, 1982, 36 (03) :1175-1184
[17]  
SEALY RC, 1980, FREE RADICAL BIO MED, V4, P209, DOI DOI 10.1016/B978-0-12-566504-9.50014-3
[18]   THE GENERATION OF UTILIZATION OF CHLORINATED OXIDANTS BY HUMAN-NEUTROPHILS [J].
TEST, ST ;
WEISS, SJ .
ADVANCES IN FREE RADICAL BIOLOGY AND MEDICINE, 1986, 2 (01) :91-116
[19]  
Wheeler M H, 1988, Curr Top Med Mycol, V2, P338