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首页> 美国卫生研究院文献>PLoS Neglected Tropical Diseases >Global Spread of Human Chromoblastomycosis Is Driven by Recombinant Cladophialophora carrionii and Predominantly Clonal Fonsecaea Species
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Global Spread of Human Chromoblastomycosis Is Driven by Recombinant Cladophialophora carrionii and Predominantly Clonal Fonsecaea Species

机译：重组克氏杆菌和主要为克隆的丰氏菌属物种驱动着人类色母细胞病的全球传播

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摘要

Global distribution patterns of Cladophialophora carrionii, agent of human chromoblastomycosis in arid climates of Africa, Asia, Australia, Central-and South-America, were compared with similar data of the vicarious Fonsecaea spp., agents of the disease in tropical rain forests. Population diversities among 73 C. carrionii strains and 60 strains of three Fonsecaea species were analyzed for rDNA ITS, partial β-tubulin, and amplified fragment-length polymorphism (AFLP) fingerprints. Populations differed significantly between continents. Lowest haplotype diversity was found in South American populations, while African strains were the most diverse. Gene flow was noted between the African population and all other continents. The general pattern of Fonsecaea agents of chromoblastomycosis differed significantly from that of C. carrionii and revealed deeper divergence among three differentiated species with smaller numbers of haplotypes, indicating a longer evolutionary history.
机译：在非洲，亚洲，澳大利亚，中美洲和南美洲的干旱气候中，人类色母细胞病的病原体Cladophialophora carrionii的全球分布模式与热带雨林中该病原体Fonsecaea spp。的相似数据进行了比较。分析了73个腐肉假单胞菌菌株和3个丰氏菌属物种的60个菌株之间的种群多样性，以进行rDNA ITS，部分β-微管蛋白和扩增的片段长度多态性（AFLP）指纹图谱。各大洲之间的人口差异很大。在南美人群中发现的单倍型多样性最低，而非洲菌株的多样性最高。注意到非洲人口与所有其他大洲之间的基因流动。丰母霉菌致色母细胞菌的一般模式与腐肉梭状芽胞杆菌的模式明显不同，并且揭示了在具有较小单倍型的三个分化物种之间存在更深的分歧，这表明其进化史更长。

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