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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.78.60878" ID-GBIF-Dataset="07ad5422-fc25-45dd-be81-03cb609ac30e" ID-PMC="PMC7910272" ID-Pensoft-Pub="1314-4049-78-49" ID-Pensoft-UUID="5BCC2C78F2F856C3B93134F805790F02" ID-PubMed="33664613" ModsDocID="1314-4049-78-49" checkinTime="1613833639718" checkinUser="pensoft" docAuthor="Huang, Shengting, Xia, Jiwen, Zhang, Xiuguo &amp; Sun, Wenxiu" docDate="2021" docId="06BE2C6013055EA287B4B6E27EA3E874" docLanguage="en" docName="MycoKeys 78: 49-77" docOrigin="MycoKeys 78" docPubDate="2021-02-19" docSource="http://dx.doi.org/10.3897/mycokeys.78.60878" docTitle="Diaporthe machili S. T. Huang, J. W. Xia, W. X. Sun, &amp; X. G. Zhang 2021, sp. nov." docType="treatment" docVersion="4" id="5BCC2C78F2F856C3B93134F805790F02" lastPageNumber="49" masterDocId="5BCC2C78F2F856C3B93134F805790F02" masterDocTitle="Morphological and phylogenetic analyses reveal three new species of Diaporthe from Yunnan, China" masterLastPageNumber="77" masterPageNumber="49" pageNumber="49" updateTime="1668136623939" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Morphological and phylogenetic analyses reveal three new species of Diaporthe from Yunnan, China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Huang, Shengting</mods:namePart>
<mods:affiliation>College of Life Sciences, Yangtze University, Jingzhou 434025, Hubei, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Xia, Jiwen</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-7436-7249</mods:nameIdentifier>
<mods:affiliation>College of Life Sciences, Yangtze University, Jingzhou 434025, Hubei, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhang, Xiuguo</mods:namePart>
<mods:affiliation>Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Taian, Shandong, 271018, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sun, Wenxiu</mods:namePart>
<mods:affiliation>College of Life Sciences, Yangtze University, Jingzhou 434025, Hubei, China</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>MycoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-02-19</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>78</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>49</mods:start>
<mods:end>77</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/mycokeys.78.60878</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.78.60878</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-4049-78-49</mods:identifier>
<mods:identifier type="Pensoft-UUID">5BCC2C78F2F856C3B93134F805790F02</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="177488924" LSID="urn:lsid:plazi:treatment:06BE2C6013055EA287B4B6E27EA3E874" httpUri="http://treatment.plazi.org/id/06BE2C6013055EA287B4B6E27EA3E874" lastPageNumber="49" pageId="0" pageNumber="49">
<subSubSection pageId="0" pageNumber="49" type="nomenclature">
<paragraph pageId="0" pageNumber="49">
<taxonomicName LSID="06BE2C60-1305-5EA2-87B4-B6E27EA3E874" authority="S. T. Huang, J. W. Xia, W. X. Sun, &amp; X. G. Zhang" authorityName="S. T. Huang, J. W. Xia, W. X. Sun, &amp; X. G. Zhang" authorityYear="2021" class="Sordariomycetes" family="Diaporthaceae" genus="Diaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Diaporthe machili" order="Diaporthales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="machili" status="sp. nov.">Diaporthe machili S.T. Huang, J.W. Xia, W.X. Sun, &amp; X.G. Zhang</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="49">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 5" captionStartId="F7" captionText="Figure 5. Diaporthe machili (SAUCC 194.111) a infected leaf of Machilus pingii b, c surface and reverse of colony after 15 days on PDA d, e conidiomata f-h conidiophores and conidiogenous cells i-k beta conidia. Scale bars: 10 μm (f-k)." figureDoi="10.3897/mycokeys.78.60878.figure5" httpUri="https://binary.pensoft.net/fig/511680" pageId="0" pageNumber="49">Figure 5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="etymology">
<paragraph pageId="0" pageNumber="49">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="49">
Named after the host genus on which it was collected,
<taxonomicName authorityName="W.C.Cheng ex Yen C.Yang" authorityYear="1945" class="Magnoliopsida" family="Lauraceae" genus="Machilus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Machilus pingii" order="Laurales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="pingii">
<emphasis italics="true" pageId="0" pageNumber="49">Machilus pingii</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="diagnosis">
<paragraph pageId="0" pageNumber="49">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="49">
<taxonomicName authorityName="S. T. Huang, J. W. Xia, W. X. Sun, &amp; X. G. Zhang" authorityYear="2021" class="Sordariomycetes" family="Pandanaceae" genus="Diaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Diaporthe machili" order="Diaporthales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="machili">
<emphasis italics="true" pageId="0" pageNumber="49">Diaporthe machili</emphasis>
</taxonomicName>
differs from
<taxonomicName lsidName="D. caryae" pageId="0" pageNumber="49" rank="species" species="caryae">
<emphasis italics="true" pageId="0" pageNumber="49">D. caryae</emphasis>
</taxonomicName>
and
<taxonomicName lsidName="D. sackstonii" pageId="0" pageNumber="49" rank="species" species="sackstonii">
<emphasis italics="true" pageId="0" pageNumber="49">D. sackstonii</emphasis>
</taxonomicName>
in the types of conidia (
<taxonomicName lsidName="D. machili" pageId="0" pageNumber="49" rank="species" species="machili">
<emphasis italics="true" pageId="0" pageNumber="49">D. machili</emphasis>
</taxonomicName>
only produces beta conidia, while
<taxonomicName lsidName="D. caryae" pageId="0" pageNumber="49" rank="species" species="caryae">
<emphasis italics="true" pageId="0" pageNumber="49">D. caryae</emphasis>
</taxonomicName>
produces alpha conidia and beta conidia, and
<taxonomicName lsidName="D. sackstonii" pageId="0" pageNumber="49" rank="species" species="sackstonii">
<emphasis italics="true" pageId="0" pageNumber="49">D. sackstonii</emphasis>
</taxonomicName>
only produces alpha conidia), and from
<taxonomicName lsidName="D. caryae" pageId="0" pageNumber="49" rank="species" species="caryae">
<emphasis italics="true" pageId="0" pageNumber="49">D. caryae</emphasis>
</taxonomicName>
in longer beta conidia (29.0-39.0
<normalizedToken originalValue="×">x</normalizedToken>
1.3-1.5 vs. 15.5-34.0
<normalizedToken originalValue="×">x</normalizedToken>
1.1-1.4
<normalizedToken originalValue="μm">μm</normalizedToken>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="materials_examined">
<paragraph pageId="0" pageNumber="49">Type.</paragraph>
<paragraph pageId="0" pageNumber="49">
China, Yunnan Province: Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, on diseased leaves of
<taxonomicName authorityName="W.C.Cheng ex Yen C.Yang" authorityYear="1945" class="Magnoliopsida" family="Lauraceae" genus="Machilus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Machilus pingii" order="Laurales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="pingii">
<emphasis italics="true" pageId="0" pageNumber="49">Machilus pingii</emphasis>
</taxonomicName>
(
<taxonomicName class="Magnoliopsida" family="Lauraceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Laurales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="family">Lauraceae</taxonomicName>
). 19 April 2019, S.T. Huang, HSAUP194.111 holotype, ex-holotype living culture SAUCC194.111.
</paragraph>
<caption doi="10.3897/mycokeys.78.60878.figure5" httpUri="https://binary.pensoft.net/fig/511680" pageId="0" pageNumber="49" start="Figure 5" startId="F7">
<paragraph pageId="0" pageNumber="49">
<emphasis bold="true" pageId="0" pageNumber="49">Figure 5.</emphasis>
<taxonomicName authorityName="S. T. Huang, J. W. Xia, W. X. Sun, &amp; X. G. Zhang" authorityYear="2021" class="Sordariomycetes" family="Pandanaceae" genus="Diaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Diaporthe machili" order="Diaporthales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="machili">
<emphasis italics="true" pageId="0" pageNumber="49">Diaporthe machili</emphasis>
</taxonomicName>
(SAUCC194.111)
<emphasis bold="true" pageId="0" pageNumber="49">a</emphasis>
infected leaf of
<taxonomicName authorityName="W.C.Cheng ex Yen C.Yang" authorityYear="1945" class="Magnoliopsida" family="Lauraceae" genus="Machilus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Machilus pingii" order="Laurales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="pingii">
<emphasis italics="true" pageId="0" pageNumber="49">Machilus pingii</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="49">b, c</emphasis>
surface and reverse of colony after 15 days on PDA
<emphasis bold="true" pageId="0" pageNumber="49">d, e</emphasis>
conidiomata
<emphasis bold="true" pageId="0" pageNumber="49">f-h</emphasis>
conidiophores and conidiogenous cells
<emphasis bold="true" pageId="0" pageNumber="49">i-k</emphasis>
beta conidia. Scale bars: 10
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="49">f-k</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="description">
<paragraph pageId="0" pageNumber="49">Description.</paragraph>
<paragraph pageId="0" pageNumber="49">
Asexual morph: Conidiomata pycnidial, aggregated, black, erumpent, subglobose to globose, exuding creamy conidial droplets from central ostioles after 30 days in light at 25 °C. Conidiophores 7.0-11.4
<normalizedToken originalValue="×">x</normalizedToken>
1.8-2.8
<normalizedToken originalValue="μm">μm</normalizedToken>
, hyaline, unbranched, densely aggregated, mostly ampulliform, cylindrical, guttulate, septate, straight or slightly curved, swelling at base, tapering towards apex. Beta conidia 29.0-39.0
<normalizedToken originalValue="×">x</normalizedToken>
1.3-1.5
<normalizedToken originalValue="μm">μm</normalizedToken>
(mean = 32.5
<normalizedToken originalValue="×">x</normalizedToken>
1.4
<normalizedToken originalValue="μm">μm</normalizedToken>
, n = 20), filiform, hyaline, aseptate, mostly curved, J-shaped, swelling in middle, tapering towards both ends. Alpha and gamma conidia not observed. Sexual morph not observed.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="description">
<paragraph pageId="0" pageNumber="49">Culture characteristics.</paragraph>
<paragraph pageId="0" pageNumber="49">Cultures incubated on PDA at 25 °C in darkness, growth rate 16.3-17.5 mm diam/day, aerial mycelium abundant, white on surface, reverse white to pale yellow, with an obvious concentric zonation, pycnidia forming after 15 days.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="additional specimen examined">
<paragraph pageId="0" pageNumber="49">Additional specimen examined.</paragraph>
<paragraph pageId="0" pageNumber="49">
China, Yunnan Province: Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, on diseased leaves of
<taxonomicName class="Magnoliopsida" family="Sapindaceae" genus="Pometia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pometia pinnata" order="Sapindales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="pinnata">
<emphasis italics="true" pageId="0" pageNumber="49">Pometia pinnata</emphasis>
</taxonomicName>
(
<taxonomicName class="Magnoliopsida" family="Sapindaceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Sapindales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="family">Sapindaceae</taxonomicName>
). 19 April 2019, S.T. Huang, HSAUP194. 69 paratype; living culture SAUCC194. 69.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="notes">
<paragraph pageId="0" pageNumber="49">Notes.</paragraph>
<paragraph pageId="0" pageNumber="49">
In the phylogenetic tree,
<taxonomicName authorityName="S. T. Huang, J. W. Xia, W. X. Sun, &amp; X. G. Zhang" authorityYear="2021" class="Sordariomycetes" family="Pandanaceae" genus="Diaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Diaporthe machili" order="Diaporthales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="machili">
<emphasis italics="true" pageId="0" pageNumber="49">Diaporthe machili</emphasis>
</taxonomicName>
forms an independent clade and is phylogenetically distinct from
<taxonomicName lsidName="D. caryae" pageId="0" pageNumber="49" rank="species" species="caryae">
<emphasis italics="true" pageId="0" pageNumber="49">D. caryae</emphasis>
</taxonomicName>
and
<taxonomicName lsidName="D. sackstonii" pageId="0" pageNumber="49" rank="species" species="sackstonii">
<emphasis italics="true" pageId="0" pageNumber="49">D. sackstonii</emphasis>
</taxonomicName>
(Fig.
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phylogram of Diaporthe spp. based on combined sequence data of ITS, TUB, TEF, CAL and HIS genes. The ML and BI bootstrap support values above 50 % and 0.90 BYPP are shown at the first and second position, respectively. Strains marked with &quot; * &quot; are ex-type or ex-epitype. Codes referring to strains from the current study are written in red. Some branches were shortened to fit them to the page as indicated by two diagonal lines with the number of times a branch was shortened indicated." figureDoi="10.3897/mycokeys.78.60878.figure1" httpUri="https://binary.pensoft.net/fig/511674" pageId="0" pageNumber="49">1</figureCitation>
).
<taxonomicName authorityName="S. T. Huang, J. W. Xia, W. X. Sun, &amp; X. G. Zhang" authorityYear="2021" class="Sordariomycetes" family="Pandanaceae" genus="Diaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Diaporthe machili" order="Diaporthales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="machili">
<emphasis italics="true" pageId="0" pageNumber="49">Diaporthe machili</emphasis>
</taxonomicName>
can be distinguished from
<taxonomicName lsidName="D. caryae" pageId="0" pageNumber="49" rank="species" species="caryae">
<emphasis italics="true" pageId="0" pageNumber="49">D. caryae</emphasis>
</taxonomicName>
in ITS, TUB, TEF, CAL and HIS loci by 67 nucleotide differences in concatenated alignment (5/459 in ITS, 10/416 in TUB, 15/334 in TEF, 7/454 in CAL and 30/455 in HIS), and from
<taxonomicName lsidName="D. sackstonii" pageId="0" pageNumber="49" rank="species" species="sackstonii">
<emphasis italics="true" pageId="0" pageNumber="49">D. sackstonii</emphasis>
</taxonomicName>
in ITS, TUB and TEF loci by 58 nucleotide differences (12/559 in ITS, 23/486 in TUB and 23/348 in TEF). Moreover,
<taxonomicName authorityName="S. T. Huang, J. W. Xia, W. X. Sun, &amp; X. G. Zhang" authorityYear="2021" class="Sordariomycetes" family="Pandanaceae" genus="Diaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Diaporthe machili" order="Diaporthales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="machili">
<emphasis italics="true" pageId="0" pageNumber="49">Diaporthe machili</emphasis>
</taxonomicName>
differs from
<taxonomicName lsidName="D. caryae" pageId="0" pageNumber="49" rank="species" species="caryae">
<emphasis italics="true" pageId="0" pageNumber="49">D. caryae</emphasis>
</taxonomicName>
in having longer beta conidia (29.0-39.0
<normalizedToken originalValue="×">x</normalizedToken>
1.3-1.5 vs. 15.5-34.0
<normalizedToken originalValue="×">x</normalizedToken>
1.1-1.4
<normalizedToken originalValue="μm">μm</normalizedToken>
).
<taxonomicName authorityName="S. T. Huang, J. W. Xia, W. X. Sun, &amp; X. G. Zhang" authorityYear="2021" class="Sordariomycetes" family="Pandanaceae" genus="Diaporthe" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Diaporthe machili" order="Diaporthales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="machili">
<emphasis italics="true" pageId="0" pageNumber="49">Diaporthe machili</emphasis>
</taxonomicName>
only produces beta conidia, while
<taxonomicName lsidName="D. caryae" pageId="0" pageNumber="49" rank="species" species="caryae">
<emphasis italics="true" pageId="0" pageNumber="49">D. caryae</emphasis>
</taxonomicName>
produces alpha conidia and beta conidia, and
<taxonomicName lsidName="D. sackstonii" pageId="0" pageNumber="49" rank="species" species="sackstonii">
<emphasis italics="true" pageId="0" pageNumber="49">D. sackstonii</emphasis>
</taxonomicName>
only produces alpha conidia (
<bibRefCitation DOI="https://doi.org/10.3767/003158515X687506" author="Thompson, SM" journalOrPublisher="Persoonia" pageId="0" pageNumber="49" pagination="39 - 49" refId="B51" refString="Thompson, SM, Tan, YP, Shivas, RG, Neate, SM, Morin, L, Bissett, A, Aitken, EAB, 2015. Green and brown bridges between weeds and crops reveal novel Diaporthe species in Australia. Persoonia 35 (1): 39 - 49, DOI: https://doi.org/10.3767/003158515X687506" title="Green and brown bridges between weeds and crops reveal novel Diaporthe species in Australia." url="https://doi.org/10.3767/003158515X687506" volume="35" year="2015">Thompson et al. 2015</bibRefCitation>
;
<bibRefCitation DOI="https://doi.org/10.3897/mycokeys.39.26914" author="Yang, Q" journalOrPublisher="MycoKeys" pageId="0" pageNumber="49" pagination="97 - 149" refId="B61" refString="Yang, Q, Fan, XL, Guarnaccia, V, Tian, CM, 2018b. High diversity of Diaporthe species associated with dieback diseases in China, with twelve new species described. MycoKeys 39 (39): 97 - 149, DOI: https://doi.org/10.3897/mycokeys.39.26914" title="High diversity of Diaporthe species associated with dieback diseases in China, with twelve new species described." url="https://doi.org/10.3897/mycokeys.39.26914" volume="39" year="2018 b">Yang et al. 2018b</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>