Resolving the Melampsora epitea complex.
Identifieur interne : 000922 ( Main/Corpus ); précédent : 000921; suivant : 000923Resolving the Melampsora epitea complex.
Auteurs : Peng Zhao ; Makoto Kakishima ; Qi Wang ; Lei CaiSource :
- Mycologia [ 0027-5514 ]
English descriptors
- KwdEn :
- Basidiomycota (classification), Basidiomycota (genetics), Basidiomycota (isolation & purification), Cluster Analysis (MeSH), DNA, Fungal (chemistry), DNA, Fungal (genetics), DNA, Ribosomal (chemistry), DNA, Ribosomal (genetics), DNA, Ribosomal Spacer (chemistry), DNA, Ribosomal Spacer (genetics), Europe (MeSH), Far East (MeSH), Genes, rRNA (MeSH), North America (MeSH), Phylogeny (MeSH), Plant Diseases (microbiology), RNA, Fungal (genetics), RNA, Ribosomal, 28S (genetics), Salix (microbiology), Sequence Analysis, DNA (MeSH).
- MESH :
- chemical , chemistry : DNA, Fungal, DNA, Ribosomal, DNA, Ribosomal Spacer.
- classification : Basidiomycota.
- genetics : Basidiomycota, DNA, Fungal, DNA, Ribosomal, DNA, Ribosomal Spacer, RNA, Fungal, RNA, Ribosomal, 28S.
- isolation & purification : Basidiomycota.
- microbiology : Plant Diseases, Salix.
- Cluster Analysis, Europe, Far East, Genes, rRNA, North America, Phylogeny, Sequence Analysis, DNA.
Abstract
Melampsora epitea (Pucciniales, Basidiomycota) has been widely known as the main rust pathogen on willows, but its species boundary has been extremely confusing. Melampsora epitea was often confused with several morphologically similar species, such as M. arctica, M. humilis, and M. epiphylla. Recent DNA-based studies using specimens from North America and Europe suggested that M. epitea was a complex of several phylogenetic species. In this study, we examined the species boundary of M. epitea based on rDNA phylogeny and the general mixed Yule coalescent (GMYC) model from 534 specimens. Twelve distinct species corresponding to 10 known species and 2 new species were recognized from East Asian specimens. We also evaluated the association of morphological characteristics, geographic origins, and host ranges with phylogenetic relationships. Our results revealed that several previously overlooked morphological characters in uredinial and telial stages were informative in delimiting M. epitea and allied species. Two novel species, M. salicis-futurae and M. salicis-triandrae, are described and compared with closely related species. A lectotype for M. epitea and epitypes for M. epitea, M. epiphylla, and M. humilis are designated to stabilize the use of names.
DOI: 10.1080/00275514.2017.1326791
PubMed: 28641042
Links to Exploration step
pubmed:28641042Le document en format XML
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<author><name sortKey="Kakishima, Makoto" sort="Kakishima, Makoto" uniqKey="Kakishima M" first="Makoto" last="Kakishima">Makoto Kakishima</name>
<affiliation><nlm:affiliation>b Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi , Jilin Agricultural University , Changchun , Jilin Province , 130118 , People's Republic of China.</nlm:affiliation>
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<affiliation><nlm:affiliation>c University of Tsukuba , Ibaraki , 305-8572 , Japan.</nlm:affiliation>
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<author><name sortKey="Wang, Qi" sort="Wang, Qi" uniqKey="Wang Q" first="Qi" last="Wang">Qi Wang</name>
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<term>DNA, Fungal (chemistry)</term>
<term>DNA, Fungal (genetics)</term>
<term>DNA, Ribosomal (chemistry)</term>
<term>DNA, Ribosomal (genetics)</term>
<term>DNA, Ribosomal Spacer (chemistry)</term>
<term>DNA, Ribosomal Spacer (genetics)</term>
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<term>RNA, Ribosomal, 28S (genetics)</term>
<term>Salix (microbiology)</term>
<term>Sequence Analysis, DNA (MeSH)</term>
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<front><div type="abstract" xml:lang="en">Melampsora epitea (Pucciniales, Basidiomycota) has been widely known as the main rust pathogen on willows, but its species boundary has been extremely confusing. Melampsora epitea was often confused with several morphologically similar species, such as M. arctica, M. humilis, and M. epiphylla. Recent DNA-based studies using specimens from North America and Europe suggested that M. epitea was a complex of several phylogenetic species. In this study, we examined the species boundary of M. epitea based on rDNA phylogeny and the general mixed Yule coalescent (GMYC) model from 534 specimens. Twelve distinct species corresponding to 10 known species and 2 new species were recognized from East Asian specimens. We also evaluated the association of morphological characteristics, geographic origins, and host ranges with phylogenetic relationships. Our results revealed that several previously overlooked morphological characters in uredinial and telial stages were informative in delimiting M. epitea and allied species. Two novel species, M. salicis-futurae and M. salicis-triandrae, are described and compared with closely related species. A lectotype for M. epitea and epitypes for M. epitea, M. epiphylla, and M. humilis are designated to stabilize the use of names.</div>
</front>
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<Abstract><AbstractText>Melampsora epitea (Pucciniales, Basidiomycota) has been widely known as the main rust pathogen on willows, but its species boundary has been extremely confusing. Melampsora epitea was often confused with several morphologically similar species, such as M. arctica, M. humilis, and M. epiphylla. Recent DNA-based studies using specimens from North America and Europe suggested that M. epitea was a complex of several phylogenetic species. In this study, we examined the species boundary of M. epitea based on rDNA phylogeny and the general mixed Yule coalescent (GMYC) model from 534 specimens. Twelve distinct species corresponding to 10 known species and 2 new species were recognized from East Asian specimens. We also evaluated the association of morphological characteristics, geographic origins, and host ranges with phylogenetic relationships. Our results revealed that several previously overlooked morphological characters in uredinial and telial stages were informative in delimiting M. epitea and allied species. Two novel species, M. salicis-futurae and M. salicis-triandrae, are described and compared with closely related species. A lectotype for M. epitea and epitypes for M. epitea, M. epiphylla, and M. humilis are designated to stabilize the use of names.</AbstractText>
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<AffiliationInfo><Affiliation>c University of Tsukuba , Ibaraki , 305-8572 , Japan.</Affiliation>
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<AffiliationInfo><Affiliation>d College of Life Sciences , University of Chinese Academy of Sciences , Beijing 100049 , People's Republic of China.</Affiliation>
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