305 lines
18 KiB
XML
305 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.65.49769" ID-GBIF-Dataset="32ef1774-1130-476b-b748-43cfd0c6d421" ID-PMC="PMC7125235" ID-Pensoft-Pub="1314-4049-65-119" ID-Pensoft-UUID="DC309D63B600547DBAE4652F3B360041" ID-PubMed="32269482" ModsDocID="1314-4049-65-119" checkinTime="1585276182215" checkinUser="pensoft" docAuthor="Xu, Li, Bao, Dan-Feng, Luo, Zong-Long, Su, Xi-Jun, Shen, Hong-Wei & Su, Hong-Yan" docDate="2020" docId="71CF27F5B5F256278728FAA5BBB81D1B" docLanguage="en" docName="MycoKeys 65: 119-138" docOrigin="MycoKeys 65" docSource="http://dx.doi.org/10.3897/mycokeys.65.49769" docTitle="Tingoldiago hydei D. F. Bao, Z. L. Luo & H. Y. Su 2020, sp. nov." docType="treatment" docVersion="4" id="DC309D63B600547DBAE4652F3B360041" lastPageNumber="119" masterDocId="DC309D63B600547DBAE4652F3B360041" masterDocTitle="Lignicolous freshwater ascomycota from Thailand: Phylogenetic and morphological characterisation of two new freshwater fungi: Tingoldiago hydei sp. nov. and T. clavata sp. nov. from Eastern Thailand" masterLastPageNumber="138" masterPageNumber="119" pageNumber="119" updateTime="1668136416202" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Lignicolous freshwater ascomycota from Thailand: Phylogenetic and morphological characterisation of two new freshwater fungi: Tingoldiago hydei sp. nov. and T. clavata sp. nov. from Eastern Thailand</mods:title>
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</mods:titleInfo>
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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, Li</mods:namePart>
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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>Bao, Dan-Feng</mods:namePart>
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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>Luo, Zong-Long</mods:namePart>
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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>Su, Xi-Jun</mods:namePart>
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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>Shen, Hong-Wei</mods:namePart>
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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>Su, Hong-Yan</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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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>65</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>119</mods:start>
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<mods:end>138</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.65.49769</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.65.49769</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-65-119</mods:identifier>
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<mods:identifier type="Pensoft-UUID">DC309D63B600547DBAE4652F3B360041</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="163297226" LSID="urn:lsid:plazi:treatment:71CF27F5B5F256278728FAA5BBB81D1B" httpUri="http://treatment.plazi.org/id/71CF27F5B5F256278728FAA5BBB81D1B" lastPageNumber="119" pageId="0" pageNumber="119">
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<subSubSection pageId="0" pageNumber="119" type="nomenclature">
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<paragraph pageId="0" pageNumber="119">
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<taxonomicName LSID="71CF27F5-B5F2-5627-8728-FAA5BBB81D1B" authority="D. F. Bao, Z. L. Luo & H. Y. Su" authorityName="D. F. Bao, Z. L. Luo & H. Y. Su" authorityYear="2020" class="Dothideomycetes" family="Lentitheciaceae" genus="Tingoldiago" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Tingoldiago hydei" order="Pleosporales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="hydei" status="sp. nov.">Tingoldiago hydei D.F. Bao, Z.L. Luo & H.Y. Su</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="119">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tingoldiago hydei (MFLU 19 - 2842, holotype). a-c Ascomata on wood d section of ascoma e peridium f, g pseudoparaphyses h ostiole i-l asci m-r ascospores s germinating ascospore t vegetative hyphae in culture u, v culture on PDA from surface and reverse. Scale bars: 50 μm (d, e, h), 20 μm (f-g, m-t), 30 μm (i-l)." figureDoi="10.3897/mycokeys.65.49769.figure2" httpUri="https://binary.pensoft.net/fig/394430" pageId="0" pageNumber="119">Figure 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="etymology">
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<paragraph pageId="0" pageNumber="119">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="119">Referring to Kevin D. Hyde for his contributions in fungal taxonomy.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="holotype">
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<paragraph pageId="0" pageNumber="119">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="119">Thailand, That Phanom, Nakhon Phanom, on submerged decaying wood, 13 November 2018, D.F. Bao, B-126 (MFLU 19-2842, holotype), ex-type living culture, MFLUCC 19-0499.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="description">
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<paragraph pageId="0" pageNumber="119">Description.</paragraph>
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<paragraph pageId="0" pageNumber="119">
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<taxonomicName genus="Saprobic" lsidName="Saprobic" pageId="0" pageNumber="119" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="119">Saprobic</emphasis>
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</taxonomicName>
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on submerged decaying wood.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="119">Sexual morph</emphasis>
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:
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<emphasis italics="true" pageId="0" pageNumber="119">Ascomata</emphasis>
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180-280
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<normalizedToken originalValue="×">x</normalizedToken>
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330-470
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="119">x̄</emphasis>
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= 400
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<normalizedToken originalValue="×">x</normalizedToken>
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420
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 10), immersed to semi-immersed, erumpentia, gregarious, scattered, depressed globose to conical with a flattened base, dark brown to black, as dark spots on host surface.
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<taxonomicName genus="Ostioles" lsidName="Ostioles" pageId="0" pageNumber="119" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="119">Ostioles</emphasis>
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</taxonomicName>
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central, papillate, short, crest-like, dark brown.
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<emphasis italics="true" pageId="0" pageNumber="119">Peridium</emphasis>
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33.5-50
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide, comprising 4-6 layers, brown to dark brown cells of
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<emphasis italics="true" pageId="0" pageNumber="119">textura anngularis</emphasis>
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.
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<emphasis italics="true" pageId="0" pageNumber="119">Hamathecium</emphasis>
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comprising 2-2.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(n = 30) wide, numerous, branched, septate, hyaline, cellular pseudoparaphyses.
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<emphasis italics="true" pageId="0" pageNumber="119">Asci</emphasis>
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95-164
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<normalizedToken originalValue="×">x</normalizedToken>
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18-22
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="119">x̄</emphasis>
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= 129
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<normalizedToken originalValue="×">x</normalizedToken>
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20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20), 8-spored, bitunicate, fissitunicate, cylindrical-clavate, rounded at apex, with a short pedicellate.
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<emphasis italics="true" pageId="0" pageNumber="119">Ascospores</emphasis>
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37.5-42
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<normalizedToken originalValue="×">x</normalizedToken>
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7.5-9
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="119">x̄</emphasis>
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= 40
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<normalizedToken originalValue="×">x</normalizedToken>
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8
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 30), overlapping, 2-3-seriate, clavate with round ends, straight, uniseptate, deeply constricted at septum, with broad and short upper cells 17.5-20
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<normalizedToken originalValue="×">x</normalizedToken>
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7-8.7
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="119">x̄</emphasis>
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= 18.7
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<normalizedToken originalValue="×">x</normalizedToken>
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7.9
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 30), narrow and long lower cells 20.6-23.3
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<normalizedToken originalValue="×">x</normalizedToken>
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5.9-7.4
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="119">x̄</emphasis>
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= 21.9
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<normalizedToken originalValue="×">x</normalizedToken>
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6.7
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 30), tapering towards the end, with short appendages at the septum, hyaline, guttulate, smooth, surrounded by a fusiform gelatinous sheath.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="119">Asexual morph</emphasis>
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: Undetermined.
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</paragraph>
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<caption doi="10.3897/mycokeys.65.49769.figure2" httpUri="https://binary.pensoft.net/fig/394430" pageId="0" pageNumber="119" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="119">
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<emphasis bold="true" pageId="0" pageNumber="119">Figure 2.</emphasis>
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<taxonomicName authorityName="D. F. Bao, Z. L. Luo & H. Y. Su" authorityYear="2020" class="Dothideomycetes" genus="Tingoldiago" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Tingoldiago hydei" order="Pleosporales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="hydei">
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<emphasis italics="true" pageId="0" pageNumber="119">Tingoldiago hydei</emphasis>
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</taxonomicName>
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(MFLU 19-2842, holotype).
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<emphasis bold="true" pageId="0" pageNumber="119">a-c</emphasis>
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Ascomata on wood
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<emphasis bold="true" pageId="0" pageNumber="119">d</emphasis>
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section of ascoma
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<emphasis bold="true" pageId="0" pageNumber="119">e</emphasis>
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peridium
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<emphasis bold="true" pageId="0" pageNumber="119">f, g</emphasis>
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pseudoparaphyses
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<emphasis bold="true" pageId="0" pageNumber="119">h</emphasis>
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ostiole
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<emphasis bold="true" pageId="0" pageNumber="119">i-l</emphasis>
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asci
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<emphasis bold="true" pageId="0" pageNumber="119">m-r</emphasis>
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ascospores
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<emphasis bold="true" pageId="0" pageNumber="119">s</emphasis>
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germinating ascospore
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<emphasis bold="true" pageId="0" pageNumber="119">t</emphasis>
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vegetative hyphae in culture
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<emphasis bold="true" pageId="0" pageNumber="119">u, v</emphasis>
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culture on PDA from surface and reverse. Scale bars: 50
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="119">d, e, h</emphasis>
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), 20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="119">f-g, m-t</emphasis>
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), 30
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="119">i-l</emphasis>
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).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="description">
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<paragraph pageId="0" pageNumber="119">Culture characteristics.</paragraph>
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<paragraph pageId="0" pageNumber="119">Ascospores germinating on PDA within 24 hours. Colonies on MEA effuse, greyish-white to dark brown from above and below, reaching 3-4 cm diameter within 30 days at room temperature under natural light, composed of subhyaline to pale brown, septate, smooth hyphae.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="notes">
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<paragraph pageId="0" pageNumber="119">Notes.</paragraph>
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<paragraph pageId="0" pageNumber="119">
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Phylogenetic analysis showed that
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<taxonomicName authorityName="D. F. Bao, Z. L. Luo & H. Y. Su" authorityYear="2020" class="Dothideomycetes" genus="Tingoldiago" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Tingoldiago hydei" order="Pleosporales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="hydei">
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<emphasis italics="true" pageId="0" pageNumber="119">Tingoldiago hydei</emphasis>
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</taxonomicName>
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is related to
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<taxonomicName lsidName="T. clavata" pageId="0" pageNumber="119" rank="species" species="clavata">
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<emphasis italics="true" pageId="0" pageNumber="119">T. clavata</emphasis>
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</taxonomicName>
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; however, they are in different lineages with significant support (99 ML/97 MP/1.00 PP, Figure
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phylogenetic tree based on RAxML analyses of combined LSU, SSU, ITS and TEF 1 - α sequence data. Bootstrap support values for maximum likelihood (ML, black) and maximum parsimony (MP, red) higher than 75 % and Bayesian posterior probabilities (PP, black) greater than 0.95 are indicated above the nodes as MP / ML / PP. The ex-type strains are in bold and the newly obtained isolates are in red. The tree is rooted at Corynespora smithii (CABI 5649 b) and Corynespora cassiicola (CBS 100822)." figureDoi="10.3897/mycokeys.65.49769.figure1" httpUri="https://binary.pensoft.net/fig/394429" pageId="0" pageNumber="119">1</figureCitation>
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).
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<taxonomicName authorityName="D. F. Bao, Z. L. Luo & H. Y. Su" authorityYear="2020" class="Dothideomycetes" genus="Tingoldiago" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Tingoldiago hydei" order="Pleosporales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="hydei">
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<emphasis italics="true" pageId="0" pageNumber="119">Tingoldiago hydei</emphasis>
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</taxonomicName>
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resembles
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<taxonomicName lsidName="T. clavata" pageId="0" pageNumber="119" rank="species" species="clavata">
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<emphasis italics="true" pageId="0" pageNumber="119">T. clavata</emphasis>
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</taxonomicName>
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in having bitunicate, cylindrical-clavate asci and clavate, hyaline, uniseptate, ascospores with broad and short upper cells, narrow and long lower cells, tapering towards the end, surrounded by a gelatinous sheath. However,
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<taxonomicName authorityName="D. F. Bao, Z. L. Luo & H. Y. Su" authorityYear="2020" class="Dothideomycetes" genus="Tingoldiago" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Tingoldiago hydei" order="Pleosporales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="hydei">
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<emphasis italics="true" pageId="0" pageNumber="119">Tingoldiago hydei</emphasis>
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</taxonomicName>
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can be distinguished from
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<taxonomicName lsidName="T. clavata" pageId="0" pageNumber="119" rank="species" species="clavata">
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<emphasis italics="true" pageId="0" pageNumber="119">T. clavata</emphasis>
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</taxonomicName>
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in having longer and narrower asci (95-164
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<normalizedToken originalValue="×">x</normalizedToken>
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18-22 vs. 110-148
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<normalizedToken originalValue="×">x</normalizedToken>
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20-27
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<normalizedToken originalValue="μm">μm</normalizedToken>
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) and smaller ascospores (37.5-42
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<normalizedToken originalValue="×">x</normalizedToken>
|
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7.5-9 vs. 48-51
|
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<normalizedToken originalValue="×">x</normalizedToken>
|
||
7.5-8.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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). Moreover, ascospores of
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<taxonomicName lsidName="T. clavata" pageId="0" pageNumber="119" rank="species" species="clavata">
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<emphasis italics="true" pageId="0" pageNumber="119">T. clavata</emphasis>
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</taxonomicName>
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have longer appendages at the septum, while the appendages of
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<taxonomicName lsidName="T. hydei" pageId="0" pageNumber="119" rank="species" species="hydei">
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<emphasis italics="true" pageId="0" pageNumber="119">T. hydei</emphasis>
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</taxonomicName>
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are much shorter than
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<taxonomicName lsidName="T. hydei" pageId="0" pageNumber="119" rank="species" species="hydei">
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<emphasis italics="true" pageId="0" pageNumber="119">T. hydei</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="119">
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<taxonomicName authorityName="D. F. Bao, L. Xu & H. Y. Su" authorityYear="2020" class="Dothideomycetes" genus="Tingoldiago" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Tingoldiago clavata" order="Pleosporales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="clavata">
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<emphasis italics="true" pageId="0" pageNumber="119">Tingoldiago clavata</emphasis>
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</taxonomicName>
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is similar to the type species,
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<taxonomicName lsidName="T. raminicola" pageId="0" pageNumber="119" rank="species" species="raminicola">
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<emphasis italics="true" pageId="0" pageNumber="119">T. raminicola</emphasis>
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</taxonomicName>
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in having immersed to semi-immersed, depressed globose to conical ascomata with flattened base, bitunicate, fissitunicate, cylindrical-clavate asci and clavate, straight, uniseptate ascospores. However,
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<taxonomicName lsidName="T. clavata" pageId="0" pageNumber="119" rank="species" species="clavata">
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<emphasis italics="true" pageId="0" pageNumber="119">T. clavata</emphasis>
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</taxonomicName>
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differs from
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<taxonomicName lsidName="T. raminicola" pageId="0" pageNumber="119" rank="species" species="raminicola">
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<emphasis italics="true" pageId="0" pageNumber="119">T. raminicola</emphasis>
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</taxonomicName>
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in having longer asci (95-164
|
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<normalizedToken originalValue="×">x</normalizedToken>
|
||
18-22 vs. 87.5-122
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<normalizedToken originalValue="×">x</normalizedToken>
|
||
18.25-25
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<normalizedToken originalValue="μm">μm</normalizedToken>
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||
) and smaller ascospores (37.5-42
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<normalizedToken originalValue="×">x</normalizedToken>
|
||
7.5-9 vs. 43.5-53
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<normalizedToken originalValue="×">x</normalizedToken>
|
||
7.5-11
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<normalizedToken originalValue="μm">μm</normalizedToken>
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). Moreover, ascopores of
|
||
<taxonomicName lsidName="T. clavata" pageId="0" pageNumber="119" rank="species" species="clavata">
|
||
<emphasis italics="true" pageId="0" pageNumber="119">T. clavata</emphasis>
|
||
</taxonomicName>
|
||
have short appendages at the septum while ascospores of
|
||
<taxonomicName lsidName="T. raminicola" pageId="0" pageNumber="119" rank="species" species="raminicola">
|
||
<emphasis italics="true" pageId="0" pageNumber="119">T. raminicola</emphasis>
|
||
</taxonomicName>
|
||
lack appendages. In addition, we compared the base pairs of ITS regions between these two species and there were 25 base pairs without gaps (5.1%) differences. Therefore, we introduce our isolate as a new species based on both phylogeny and morphological characters.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |