REDUCED VIRULENCE OF CANDIDA-ALBICANS PHR1 MUTANTS

被引:66
作者
GHANNOUM, MA
SPELLBERG, B
SAPORITOIRWIN, SM
FONZI, WA
机构
[1] GEORGETOWN UNIV,MED CTR,SCH MED,DEPT IMMUNOL & MICROBIOL,WASHINGTON,DC 20007
[2] UNIV CALIF LOS ANGELES,HARBOR RES & EDUC INST,ST JOHNS CARDIOVASC RES CTR,DIV INFECT DIS,TORRANCE,CA 90509
[3] UNIV CALIF LOS ANGELES,SCH MED,LOS ANGELES,CA 90024
[4] UNIV CALIF IRVINE,CALIF COLL MED,DEPT MICROBIOL & MOLEC GENET,IRVINE,CA 92717
关键词
D O I
10.1128/IAI.63.11.4528-4530.1995
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Candida albicans mutants lacking PHR1 exhibit a pH-dependent morphogenic defect which is expressed at pH 7.5, a pH comparable to that of mammalian blood (S. M. Saporito-Irwin, C. E. Birse, P. S. Sypherd, and W.A. Fonzi, Mol. Cell. Biol. 15:601-613, 1995). The in vivo relevance of this expression pattern was tested in a mouse model of systemic candidiasis. A phr1/phr1 mutant was found to be less virulent than an isogenic Phr1(+) strain and exhibited altered morphological development in vivo. These results indicate that PHR1 contributes to the virulence of C. albicans.
引用
收藏
页码:4528 / 4530
页数:3
相关论文
共 11 条
  • [1] BULAWA C, 1995, NATIONAL COOPERATIVE
  • [2] CUTLER JE, 1992, ANNU REV MICROBIOL, V45, P187
  • [3] FONZI WA, 1993, GENETICS, V134, P717
  • [4] GHANNOUM MA, 1985, MYKOSEN, V28, P369
  • [5] EVIDENCE IMPLICATING PHOSPHOLIPASE AS A VIRULENCE FACTOR OF CANDIDA-ALBICANS
    IBRAHIM, AS
    MIRBOD, F
    FILLER, SG
    BANNO, Y
    COLE, GT
    KITAJIMA, Y
    EDWARDS, JE
    NOZAWA, Y
    GHANNOUM, MA
    [J]. INFECTION AND IMMUNITY, 1995, 63 (05) : 1993 - 1998
  • [6] PATHOGENICITY OF CANDIDA-ALBICANS AUXOTROPHIC MUTANTS IN EXPERIMENTAL INFECTIONS
    KIRSCH, DR
    WHITNEY, RR
    [J]. INFECTION AND IMMUNITY, 1991, 59 (09) : 3297 - 3300
  • [7] INTEGRATIVE TRANSFORMATION OF CANDIDA-ALBICANS, USING A CLONED CANDIDA ADE2 GENE
    KURTZ, MB
    CORTELYOU, MW
    KIRSCH, DR
    [J]. MOLECULAR AND CELLULAR BIOLOGY, 1986, 6 (01) : 142 - 149
  • [8] LOURIA DB, 1985, CANDIDIASIS, P29
  • [9] MEKALANOS JJ, 1992, J BACTERIOL, V174, P1
  • [10] Odds FC., 1988, CANDIDA CANDIDOSIS R, V2nd