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不同毒力差异基因型的新生隐球菌MLST分型及交配型鉴定研究

康颖倩 陈玉如 王梅竹 赵亮 李小玲 金方 刘涛华

中国真菌学杂志Issue(5):264-267,4.
中国真菌学杂志Issue(5):264-267,4.

不同毒力差异基因型的新生隐球菌MLST分型及交配型鉴定研究

MLST genotyping and mating type identification of C. neoformans in genotypes with virulent difference

康颖倩 1陈玉如 1王梅竹 1赵亮 1李小玲 1金方 1刘涛华1

作者信息

  • 1. 贵阳医学院微生物教研室,贵阳550004
  • 折叠

摘要

Abstract

Objective To study the Multilocus Sequence Typing( MLST)characteristics of C. neoformans var grubii and to i-dentify their mating types Methods Primers of 7 housekeeping genes(CAP59,GPD1,LAC1,PLB1,SOD1,URA5 and IGS1)were designed for PCR amplification;the genotypes of 20 environment and clinical isolates were analyzed with MLST result and the mat-ting types of these strains were identified And both the results of MLST and Multilocus Microsatellite Typing( MLMT)were com-pared to each other for evaluating their stability and reliability in taxonomy Results The multilocus microsatellite genotype of all the 10 environment isolates was MLMT-13 in previous experiment and the MLST type of there strains was ST-15 in this experiment Sim-ilarly,all the MLMT-36 clinical isolates belong to ST-32 And all the strains were MAT-α Conclusion The MLST results are high-ly consistent with MLMT results in previous experiment which reveals that both molecular typing methods are high resoluted and sta-ble on classification of different isolation background on species or varieties level.

关键词

新生隐球菌/MLST分型/MLMT分型/交配型鉴定

Key words

Cryptococcus neoformance/MLST/MLMT/mating type

分类

医药卫生

引用本文复制引用

康颖倩,陈玉如,王梅竹,赵亮,李小玲,金方,刘涛华..不同毒力差异基因型的新生隐球菌MLST分型及交配型鉴定研究[J].中国真菌学杂志,2014,(5):264-267,4.

基金项目

国家自然基金地方项目(31060006,31260029);贵州省科技厅国际合作项目(黔科合外G字[2009]700114号);贵州省社会发展科技攻关项目(黔科合SY字[2011]3017号);贵阳市科技局社会发展与民生计划 ()

中国真菌学杂志

OACSCDCSTPCD

1673-3827

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