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Microbiology and Immunology 2001We performed a cluster analysis of human and animal pathogenic Microsporum species and their teleomorphic states, Arthroderma species, including A. otae-related species... (Comparative Study)
Comparative Study
Cluster analysis of human and animal pathogenic Microsporum species and their teleomorphic states, Arthroderma species, based on the DNA sequences of nuclear ribosomal internal transcribed spacer 1.
We performed a cluster analysis of human and animal pathogenic Microsporum species and their teleomorphic states, Arthroderma species, including A. otae-related species (M. canis, M. audouinii, M. distortum, M. equinum, M. langeronii, and M. ferrugineum) and M. gypseum complex (A. fulvum, A. gypseum, and A. incurvatum) using DNA sequences of nuclear ribosomal internal transcribed spacer 1 (ITS1). The dendrogram showed the members of A. otae-related species to be monophyletic and to construct an extremely closely related cluster with a long horizontal branch. This ITS1-homologous group of A. otae was organized in 6 unique genotypes, while sequences of the members of the ITS1-homologous group of M. gypseum complex are more diverse. This ITS1-based database of Microsporum species and their teleomorphic states will provide a useful and reliable species identification system: it is time-saving (takes two to three days), accurate and applicable even to strains with atypical morphological features or in a non-culturable state.
Topics: Animals; Arthrodermataceae; Base Sequence; Cluster Analysis; DNA, Fungal; DNA, Ribosomal Spacer; Dermatomycoses; Humans; Microsporum; Molecular Sequence Data; Sequence Alignment; Species Specificity
PubMed: 11345530
DOI: 10.1111/j.1348-0421.2001.tb02609.x -
Antonie Van Leeuwenhoek Oct 2019Fungi under the order Ophiostomatales (Ascomycota) are known to associate with various species of bark beetles (Coleoptera: Curculionidae: Scolytinae). In addition this...
Fungi under the order Ophiostomatales (Ascomycota) are known to associate with various species of bark beetles (Coleoptera: Curculionidae: Scolytinae). In addition this group of fungi contains many taxa that can impart blue-stain on sapwood and some are important tree pathogens. A recent survey that focussed on the diversity of the Ophiostomatales in the forest ecosystems of the Czech Republic and Poland uncovered four putative new species. Phylogenetic analyses of four gene regions (ITS1-5.8S-ITS2 region, ß-tubulin, calmodulin, and translation elongation factor 1-α) indicated that these four species are members of the genus Ophiostoma. All four newly described species can be distinguished from each other and from closely related species based on DNA sequence comparisons, morphological characters, growth rates, and their insect associations. Based on this study four new taxa can be circumscribed and the following names are provided: Ophiostoma pityokteinis sp. nov., Ophiostoma rufum sp. nov., Ophiostoma solheimii sp. nov., and Ophiostoma taphrorychi sp. nov. O. rufum sp. nov. is a member of the Ophiostoma piceae species complex, while O. pityokteinis sp. nov. resides in a discrete lineage within Ophiostoma s. stricto. O. taphrorychi sp. nov. together with O. distortum formed a well-supported clade in Ophiostoma s. stricto close to O. pityokteinis sp. nov. O. solheimii sp. nov. groups within a currently undefined lineage A, which also includes Ophiostoma grandicarpum and Ophiostoma microsporum. This study highlights the need for more intensive surveys that should include additional countries of Central Europe, insect vectors and host tree species in order to elucidate Ophiostoma species diversity in this region.
Topics: Animals; Calmodulin; Czech Republic; DNA, Ribosomal Spacer; Mycological Typing Techniques; Ophiostoma; Peptide Elongation Factor 1; Phylogeny; Poland; RNA, Ribosomal, 5.8S; Sequence Analysis, DNA; Tracheophyta; Tubulin; Weevils; Wood
PubMed: 31140027
DOI: 10.1007/s10482-019-01277-5 -
The Journal of Investigative Dermatology Jun 1960
Topics: Humans; Microsporum; New Zealand; Tinea
PubMed: 14421415
DOI: 10.1038/jid.1960.69 -
The Journal of Investigative Dermatology Jul 1959
Topics: Humans; Medical Records; Microsporum; Tinea
PubMed: 13673208
DOI: No ID Found -
The Journal of Investigative Dermatology Jun 1957
Topics: Animals; Dog Diseases; Dogs; Haplorhini; Infections; Microsporum; Monkey Diseases; United States
PubMed: 13463417
DOI: 10.1038/jid.1957.59