298 lines
21 KiB
XML
298 lines
21 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.70.52043" ID-GBIF-Dataset="1572d43f-352a-436b-a5c9-fe535dbda8b2" ID-PMC="PMC7387365" ID-Pensoft-Pub="1314-4049-70-19" ID-Pensoft-UUID="1D7B9142CED75FA3A9768E33977830C5" ID-PubMed="32742179" ModsDocID="1314-4049-70-19" checkinTime="1595392387876" checkinUser="pensoft" docAuthor="Samarakoon, Binu C., Phookamsak, Rungtiwa, Wanasinghe, Dhanushka N., Chomnunti, Putarak, Hyde, Kevin D., McKenzie, Eric H. C., Promputtha, Itthayakorn, Xu, Jian-Chu & Li, Yun-Ju" docDate="2020" docId="C429487BB6395CF2A5B5E45B14E51180" docLanguage="en" docName="MycoKeys 70: 19-37" docOrigin="MycoKeys 70" docSource="http://dx.doi.org/10.3897/mycokeys.70.52043" docTitle="Spegazzinia deightonii Subram., J. Indian bot. Soc. 35: 78 1956" docType="treatment" docVersion="4" id="1D7B9142CED75FA3A9768E33977830C5" lastPageNumber="19" masterDocId="1D7B9142CED75FA3A9768E33977830C5" masterDocTitle="Taxonomy and phylogenetic appraisal of Spegazzinia musae sp. nov. and S. deightonii (Didymosphaeriaceae, Pleosporales) on Musaceae from Thailand" masterLastPageNumber="37" masterPageNumber="19" pageNumber="19" updateTime="1668243314089" updateUser="ExternalLinkService">
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<mods:titleInfo>
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<mods:title>Taxonomy and phylogenetic appraisal of Spegazzinia musae sp. nov. and S. deightonii (Didymosphaeriaceae, Pleosporales) on Musaceae from Thailand</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Samarakoon, Binu C.</mods:namePart>
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<mods:affiliation>The State Phosphorus Resource Development and Utilization Engineering Technology Research Centre, Yunnan Phosphate Chemical Group Co. Ltd, Kunming 650201, China & School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand & Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand & Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Phookamsak, Rungtiwa</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China & East and Central Asia Regional Office, World Agroforestry Centre (ICRAF), Kunming 650201, Yunnan, China & Honghe Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe County, Yunnan, China & Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Guang Dong Province, China & Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0002-6321-8416</mods:nameIdentifier>
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wanasinghe, Dhanushka N.</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China & East and Central Asia Regional Office, World Agroforestry Centre (ICRAF), Kunming 650201, Yunnan, China & Honghe Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe County, Yunnan, China & Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Guang Dong Province, China</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0003-1759-3933</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Chomnunti, Putarak</mods:namePart>
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<mods:affiliation>School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand & Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hyde, Kevin D.</mods:namePart>
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<mods:affiliation>School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand & Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand & Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China & Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Guang Dong Province, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>McKenzie, Eric H. C.</mods:namePart>
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<mods:affiliation>Landcare Research Manaaki Whenua, Private Bag 92170, Auckland, New Zealand</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Promputtha, Itthayakorn</mods:namePart>
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<mods:affiliation>Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand & Research Center in Bioresources for Agriculture, Industry and Medicine, Chiang Mai University, Chiang Mai 50200, Thailand</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Xu, Jian-Chu</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China & East and Central Asia Regional Office, World Agroforestry Centre (ICRAF), Kunming 650201, Yunnan, China & Honghe Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe County, Yunnan, China</mods:affiliation>
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<mods:nameIdentifier type="email">jxu@mail.kib.ac.cn</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Li, Yun-Ju</mods:namePart>
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<mods:affiliation>The State Phosphorus Resource Development and Utilization Engineering Technology Research Centre, Yunnan Phosphate Chemical Group Co. Ltd, Kunming 650201, China</mods:affiliation>
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<mods:nameIdentifier type="email">93905507@qq.com</mods:nameIdentifier>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>MycoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>70</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>19</mods:start>
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<mods:end>37</mods:end>
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</mods:extent>
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</mods:part>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.70.52043</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.70.52043</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-70-19</mods:identifier>
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<mods:identifier type="Pensoft-UUID">1D7B9142CED75FA3A9768E33977830C5</mods:identifier>
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<treatment ID-GBIF-Taxon="165857307" LSID="urn:lsid:plazi:treatment:C429487BB6395CF2A5B5E45B14E51180" httpUri="http://treatment.plazi.org/id/C429487BB6395CF2A5B5E45B14E51180" lastPageNumber="19" pageId="0" pageNumber="19">
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<subSubSection pageId="0" pageNumber="19" type="nomenclature">
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<paragraph pageId="0" pageNumber="19">
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<taxonomicName LSID="C429487B-B639-5CF2-A5B5-E45B14E51180" authority="(S. Hughes) Subram., J. Indian bot. Soc. 35: 78 (1956)" authorityName="Subram., J. Indian bot. Soc. 35: 78" authorityYear="1956" baseAuthorityName="S. Hughes" baseAuthorityYear="1956" class="Sordariomycetes" family="Didymosphaeriaceae" genus="Spegazzinia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Spegazzinia deightonii" order="Pleosporales" pageId="0" pageNumber="19" phylum="Ascomycota" rank="species" species="deightonii">Spegazzinia deightonii (S. Hughes) Subram., J. Indian bot. Soc. 35: 78 (1956)</taxonomicName>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Spegazzinia deightonii (MFLU 19 - 2908) a-c fungal colonies on host surface d conidiophore mother cell of α conidia e-g α conidia i a developmental stage of β conidia h, k conidia l colonies on PDA after 28 days showing sporulation j, m-p β conidia. Scale bars: 500 μm (a), 200 μm (b), 50 μm (c), 20 μm (e-h), 10 μm (d, k, m-p), 5 μm (i, j)." figureDoi="10.3897/mycokeys.70.52043.figure2" httpUri="https://binary.pensoft.net/fig/434238" pageId="0" pageNumber="19">Figure 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="description">
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<paragraph pageId="0" pageNumber="19">Description.</paragraph>
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<paragraph pageId="0" pageNumber="19">
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<emphasis italics="true" pageId="0" pageNumber="19">Saprobic</emphasis>
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on dead leaves of
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<taxonomicName class="Liliopsida" family="Musaceae" genus="Musa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Musa" order="Zingiberales" pageId="0" pageNumber="19" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="19">Musa</emphasis>
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</taxonomicName>
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sp.
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<emphasis bold="true" pageId="0" pageNumber="19">Sexual morph</emphasis>
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Undetermined.
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<emphasis bold="true" pageId="0" pageNumber="19">Asexual morph</emphasis>
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Hyphomycetous.
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<emphasis italics="true" pageId="0" pageNumber="19">Sporodochia</emphasis>
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powder like, dark, dense, dry, 1-3 mm diameter.
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<emphasis italics="true" pageId="0" pageNumber="19">Conidiophore mother cells</emphasis>
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3.5-6.8
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<normalizedToken originalValue="×">x</normalizedToken>
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2.5-5.0
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="19">x̄</emphasis>
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= 5.59
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<normalizedToken originalValue="×">x</normalizedToken>
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4.15
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 6), hyaline to light brown, subspherical or doliiform.
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<emphasis italics="true" pageId="0" pageNumber="19">Conidiophores</emphasis>
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long or short and give rise to two types of conidia referred here as
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<normalizedToken originalValue="α">α</normalizedToken>
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and
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<normalizedToken originalValue="β">β</normalizedToken>
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.
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<emphasis italics="true" pageId="0" pageNumber="19">
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Conidiophores of
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<normalizedToken originalValue="α">α</normalizedToken>
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conidia
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</emphasis>
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up to 48-120
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<normalizedToken originalValue="×">x</normalizedToken>
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1-2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="19">x̄</emphasis>
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= 95.3
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<normalizedToken originalValue="×">x</normalizedToken>
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1.6
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20) long, erect or flexuous, narrow, verruculose, unbranched, hyaline to golden-brown.
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<emphasis italics="true" pageId="0" pageNumber="19">
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Conidiophores of
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<normalizedToken originalValue="β">β</normalizedToken>
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conidia
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</emphasis>
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initially hyaline, light brown to brown at maturity, very short and slightly bent, 1.6-2
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<normalizedToken originalValue="×">x</normalizedToken>
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2.5-3
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="19">x̄</emphasis>
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= 1.8
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<normalizedToken originalValue="×">x</normalizedToken>
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2.6
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n =10).
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<emphasis italics="true" pageId="0" pageNumber="19">Conidiogenous cell development</emphasis>
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basauxic, forming a single, terminal holoblastic conidium at the apex of conidiophore.
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<emphasis italics="true" pageId="0" pageNumber="19">Conidial development</emphasis>
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holoblastic.
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<emphasis italics="true" pageId="0" pageNumber="19">Conidia</emphasis>
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two types:
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<normalizedToken originalValue="α">α</normalizedToken>
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<emphasis italics="true" pageId="0" pageNumber="19">conidia</emphasis>
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stellate, 18-28
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<normalizedToken originalValue="×">x</normalizedToken>
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17-29
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="19">x̄</emphasis>
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= 25.1
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<normalizedToken originalValue="×">x</normalizedToken>
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23.3
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 25), solitary, globose to variously shaped, with spines 4-6
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long, 4-8-celled, frequently 4- to 6-celled, deeply constricted at the septa.
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<normalizedToken originalValue="β">β</normalizedToken>
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<emphasis italics="true" pageId="0" pageNumber="19">conidia</emphasis>
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disc-shaped, initially hyaline, light brown to dark brown at maturity, 8-celled, 16-21
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<normalizedToken originalValue="×">x</normalizedToken>
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11-14
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="19">x̄</emphasis>
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= 19.2
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<normalizedToken originalValue="×">x</normalizedToken>
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14.6
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 25), flat from both sides with short and blunt spines, frequently with attached conidiogenous cells when splitting from the conidiophores.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="description">
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<paragraph pageId="0" pageNumber="19">Culture characteristics.</paragraph>
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<paragraph pageId="0" pageNumber="19">Conidia germinating on PDA within 13-14 h. Colonies growing on PDA, reaching a diameter of 55 mm after 14 d at 25 °C, raised, moderately dense, undulate margin, middle grey, periphery brownish grey and olive green at immature stage; reverse white to greyish white.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="materials_examined">
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<paragraph pageId="0" pageNumber="19">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="19">
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Thailand, Chiang Rai Province, Doi Thun, on a dead leaf of
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<taxonomicName class="Liliopsida" family="Musaceae" genus="Musa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Musa" order="Zingiberales" pageId="0" pageNumber="19" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="19">Musa</emphasis>
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</taxonomicName>
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sp. (
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<taxonomicName family="Musaceae" lsidName="" pageId="0" pageNumber="19" rank="family">Musaceae</taxonomicName>
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), 7 December 2018, M.C. Samarakoon, BNS 072 (MFLU 19-2908), living culture MFLUCC 20-0002.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="notes">
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<paragraph pageId="0" pageNumber="19">Notes.</paragraph>
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<paragraph pageId="0" pageNumber="19">
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<taxonomicName authorityName="Subram., J. Indian bot. Soc. 35: 78" authorityYear="1956" baseAuthorityName="S. Hughes" class="Sordariomycetes" family="Apiosporaceae" genus="Spegazzinia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Spegazzinia deightonii" pageId="0" pageNumber="19" phylum="Ascomycota" rank="species" species="deightonii">
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<emphasis italics="true" pageId="0" pageNumber="19">Spegazzinia deightonii</emphasis>
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</taxonomicName>
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MFLUCC 20-0002 clustered with
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<taxonomicName lsidName="S. deightonii" pageId="0" pageNumber="19" rank="species" species="deightonii">
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<emphasis italics="true" pageId="0" pageNumber="19">S. deightonii</emphasis>
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</taxonomicName>
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(yone 66, yone 212) with significant statistical support (Figure
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Maximum likelihood tree revealed by RAxML from an analysis of SSU, LSU and ITS and TEF 1 - α sequence data of selected genera of family Didymosphaeriaceae, showing the phylogenetic position of Spegazzinia musae (MFLUCC 20 - 0001) and S. deightonii (MFLUCC 20 - 0002). ML bootstrap supports (≥ 60 %) and Bayesian posterior probabilities (≥ 0.95 BYPP) are given above in the branches, respectively. The tree was rooted with Pleospora herbarum and Stemphylium botryosum (Pleosporaceae). Strains generated in this study are indicated in red-bold. Ex-type species are indicated in bold. The scale bar represents the expected number of nucleotide substitutions per site. A best scoring RAxML tree is shown with a final ML optimization likelihood value of - 13516.66. The matrix had 795 distinct alignment patterns, with 33.60 % of undetermined characters or gaps. Estimated base frequencies were: A = 0.239862, C = 0.245185, G = 0.277025, T = 0.237927; substitution rates AC = 1.626982, AG = 2.468452, AT = 1.211822, CG = 1.092437, CT = 6.295657, GT = 1.000000; proportion of invariable sites I = 0.484119; gamma distribution shape parameter α = 0.445929." figureDoi="10.3897/mycokeys.70.52043.figure1" httpUri="https://binary.pensoft.net/fig/434237" pageId="0" pageNumber="19">1</figureCitation>
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). All the strains of
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<taxonomicName lsidName="S. deightonii" pageId="0" pageNumber="19" rank="species" species="deightonii">
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<emphasis italics="true" pageId="0" pageNumber="19">S. deightonii</emphasis>
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</taxonomicName>
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described in
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<bibRefCitation author="Ellis, MB" journalOrPublisher="Cryptogamie Mycologie" pageId="0" pageNumber="19" refId="B16" refString="Ellis, MB, 1971. Dematiaceous hyphomycetes. Commonwealth Mycological Institute, Kew." title="Dematiaceous hyphomycetes. Commonwealth Mycological Institute, Kew." year="1971">Ellis (1971)</bibRefCitation>
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and
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<bibRefCitation DOI="doi.org/10.1016/j.simyco.2015.10.002" author="Tanaka, K" journalOrPublisher="Studies in mycology" pageId="0" pageNumber="19" refId="B61" refString="Tanaka, K, Hirayama, K, Yonezawa, H, Sato, G, Toriyabe, A, Kudo, H, Hashimoto, A, Matsumura, M, Harada, Y, Kurihara, Y, Shirouzu, T, 2015. Revision of the Massarineae (Pleosporales, Dothideomycetes). Studies in mycology 82: 75-136. ttps:// doi.org/10.1016/j.simyco.2015.10.002" title="Revision of the Massarineae (Pleosporales, Dothideomycetes). Studies in mycology 82: 75 - 136. ttps: //" url="doi.org/10.1016/j.simyco.2015.10.002" year="2015">Tanaka et al. (2015)</bibRefCitation>
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have similar morphological features with our strain such as dark brown, 8-celled, disked-shaped, spiny conidia. With morphological and multigene phylogenetic support, we report a new host record of
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<taxonomicName lsidName="S. deightonii" pageId="0" pageNumber="19" rank="species" species="deightonii">
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<emphasis italics="true" pageId="0" pageNumber="19">S. deightonii</emphasis>
|
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</taxonomicName>
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from
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<taxonomicName class="Liliopsida" family="Musaceae" genus="Musa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Musa" order="Zingiberales" pageId="0" pageNumber="19" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="19">Musa</emphasis>
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</taxonomicName>
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sp.
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</paragraph>
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<caption doi="10.3897/mycokeys.70.52043.figure2" httpUri="https://binary.pensoft.net/fig/434238" pageId="0" pageNumber="19" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="19">
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<emphasis bold="true" pageId="0" pageNumber="19">Figure 2.</emphasis>
|
||
<taxonomicName authorityName="Subram., J. Indian bot. Soc. 35: 78" authorityYear="1956" baseAuthorityName="S. Hughes" class="Sordariomycetes" family="Apiosporaceae" genus="Spegazzinia" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Spegazzinia deightonii" pageId="0" pageNumber="19" phylum="Ascomycota" rank="species" species="deightonii">
|
||
<emphasis italics="true" pageId="0" pageNumber="19">Spegazzinia deightonii</emphasis>
|
||
</taxonomicName>
|
||
(MFLU 19-2908)
|
||
<emphasis bold="true" pageId="0" pageNumber="19">a-c</emphasis>
|
||
fungal colonies on host surface
|
||
<emphasis bold="true" pageId="0" pageNumber="19">d</emphasis>
|
||
conidiophore mother cell of
|
||
<normalizedToken originalValue="α">α</normalizedToken>
|
||
conidia
|
||
<emphasis bold="true" pageId="0" pageNumber="19">e-g</emphasis>
|
||
<normalizedToken originalValue="α">α</normalizedToken>
|
||
conidia
|
||
<emphasis bold="true" pageId="0" pageNumber="19">i</emphasis>
|
||
a developmental stage of
|
||
<normalizedToken originalValue="β">β</normalizedToken>
|
||
conidia
|
||
<emphasis bold="true" pageId="0" pageNumber="19">h, k</emphasis>
|
||
conidia
|
||
<emphasis bold="true" pageId="0" pageNumber="19">l</emphasis>
|
||
colonies on PDA after 28 days showing sporulation
|
||
<emphasis bold="true" pageId="0" pageNumber="19">j, m-p</emphasis>
|
||
<normalizedToken originalValue="β">β</normalizedToken>
|
||
conidia. Scale bars: 500μm (
|
||
<emphasis bold="true" pageId="0" pageNumber="19">a</emphasis>
|
||
), 200μm (
|
||
<emphasis bold="true" pageId="0" pageNumber="19">b</emphasis>
|
||
), 50
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="19">c</emphasis>
|
||
), 20μm (
|
||
<emphasis bold="true" pageId="0" pageNumber="19">e-h</emphasis>
|
||
), 10μm (
|
||
<emphasis bold="true" pageId="0" pageNumber="19">d, k, m-p</emphasis>
|
||
), 5
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="19">i, j</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |