GENETIC ASSOCIATION OF MATING TYPES AND VIRULENCE IN CRYPTOCOCCUS-NEOFORMANS

被引:358
作者
KWONCHUNG, KJ
EDMAN, JC
WICKES, BL
机构
[1] UNIV CALIF SAN FRANCISCO, HORMONE RES INST, SAN FRANCISCO, CA 94143 USA
[2] UNIV CALIF SAN FRANCISCO, DEPT LAB MED, SAN FRANCISCO, CA 94143 USA
关键词
D O I
10.1128/IAI.60.2.602-605.1992
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
A pair of congenic Cryptococcus neoformans var. neoformans strains, B-4476 (a mating type) and B-4500 (alpha-mating type), that presumably differ only in mating type was constructed. This pair and their progeny, five alpha-type and five a type, were tested for virulence in mice. In the parent strains as well as the progeny, alpha-type was clearly more virulent than a type. In addition, death tended to occur earlier among the alpha-strain-infected mice that died than among the mice that died by infection caused by a strains. These data strongly suggest the genetic association of virulence with mating type in this human fungal pathogen.
引用
收藏
页码:602 / 605
页数:4
相关论文
共 21 条
[1]   ISOLATION OF THE URA5 GENE FROM CRYPTOCOCCUS-NEOFORMANS VAR NEOFORMANS AND ITS USE AS A SELECTIVE MARKER FOR TRANSFORMATION [J].
EDMAN, JC ;
KWONCHUNG, KJ .
MOLECULAR AND CELLULAR BIOLOGY, 1990, 10 (09) :4538-4544
[2]   CLONING AND COMPARISON OF A-ALPHA MATING-TYPE ALLELES OF THE BASIDIOMYCETE SCHIZOPHYLLUM-COMMUNE [J].
GIASSON, L ;
SPECHT, CA ;
MILGRIM, C ;
NOVOTNY, CP ;
ULLRICH, RC .
MOLECULAR & GENERAL GENETICS, 1989, 218 (01) :72-77
[3]   PLASMODIUM-BERGHEI - GAMETOCYTE PRODUCTION, DNA CONTENT, AND CHROMOSOME-SIZE POLYMORPHISMS DURING ASEXUAL MULTIPLICATION INVIVO [J].
JANSE, CJ ;
BOORSMA, EG ;
RAMESAR, J ;
VANVIANEN, P ;
VANDERMEER, R ;
ZENOBI, P ;
CASAGLIA, O ;
MONS, B ;
VANDERBERG, FM .
EXPERIMENTAL PARASITOLOGY, 1989, 68 (03) :274-282
[4]  
Kwon-Chung K. J., 1981, Sexuality and pathogenicity of fungi., P243
[5]  
KWONCHUNG KJ, 1984, SABOURAUDIA, V22, P155
[6]   DISTRIBUTION OF ALPHA AND A MATING TYPES OF CRYPTOCOCCUS-NEOFORMANS AMONG NATURAL AND CLINICAL ISOLATES [J].
KWONCHUNG, KJ ;
BENNETT, JE .
AMERICAN JOURNAL OF EPIDEMIOLOGY, 1978, 108 (04) :337-340
[7]   TAXONOMIC STUDIES ON FILOBASIDIELLA SPECIES AND THEIR ANAMORPHS [J].
KWONCHUNG, KJ ;
BENNETT, JE ;
RHODES, JC .
ANTONIE VAN LEEUWENHOEK JOURNAL OF MICROBIOLOGY, 1982, 48 (01) :25-38
[8]   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
[9]   ENCAPSULATION AND MELANIN FORMATION AS INDICATORS OF VIRULENCE IN CRYPTOCOCCUS-NEOFORMANS [J].
KWONCHUNG, KJ ;
RHODES, JC .
INFECTION AND IMMUNITY, 1986, 51 (01) :218-223
[10]   NEW SPECIES OF FILOBASIDIELLA, SEXUAL STATE OF CRYPTOCOCCUS-NEOFORMANS B AND C SEROTYPES [J].
KWONCHUNG, KJ .
MYCOLOGIA, 1976, 68 (04) :942-946