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<document ID-CLB-Dataset="26093" ID-DOI="http://dx.doi.org/10.3897/mycokeys.57.36628" ID-GBIF-Dataset="7a61dd4d-f071-49e0-b7e9-39e8f455c108" ID-PMC="PMC6694076" ID-Pensoft-Pub="1314-4049-57-47" ID-Pensoft-UUID="2FA6493357BD5E939BE3B6095B292237" ID-PubMed="31423085" ModsDocID="1314-4049-57-47" checkinTime="1565240939141" checkinUser="pensoft" docAuthor="Zhang, Zhi-Yuan, Chen, Wan-Hao, Zou, Xiao, Han, Yan-Feng, Huang, Jian-Zhong, Liang, Zong-Qi &amp; Deshmukh, Sunil K." docDate="2019" docId="943F1F407F8655ECB58DEAB76F3B3467" docLanguage="en" docName="MycoKeys 57: 47-60" docOrigin="MycoKeys 57" docSource="http://dx.doi.org/10.3897/mycokeys.57.36628" docTitle="Plectosphaerella guizhouensis Zhi. Y. Zhang, Y. F. Han &amp; Z. Q. Liang, sp. nov." docType="treatment" docVersion="6" id="2FA6493357BD5E939BE3B6095B292237" lastPageNumber="47" masterDocId="2FA6493357BD5E939BE3B6095B292237" masterDocTitle="Phylogeny and taxonomy of two new Plectosphaerella (Plectosphaerellaceae, Glomerellales) species from China" masterLastPageNumber="60" masterPageNumber="47" pageNumber="47" updateTime="1732840916784" updateUser="ExternalLinkService">
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<mods:title id="40722BB2324E62A5F7CB7DA8EF095468">Phylogeny and taxonomy of two new Plectosphaerella (Plectosphaerellaceae, Glomerellales) species from China</mods:title>
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<mods:namePart id="48F99ECACD0A931CDB27EE773311E8B5">Zhang, Zhi-Yuan</mods:namePart>
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<mods:namePart id="85978FB7A15AD46C66C07E2314BBEC4F">Chen, Wan-Hao</mods:namePart>
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<mods:namePart id="77A431D87C3FA9100C87CEE0CB35A820">Zou, Xiao</mods:namePart>
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<mods:namePart id="6C4833BE70368E881F8E2AC1B39762D1">Han, Yan-Feng</mods:namePart>
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<mods:namePart id="B26E2333697E6971371DDE5FA73F348A">Huang, Jian-Zhong</mods:namePart>
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<mods:namePart id="B1B79E4C0B5206A482BF30862B373FA8">Liang, Zong-Qi</mods:namePart>
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<mods:namePart id="626CD16B5634314B8F5976DAF896CE79">Deshmukh, Sunil K.</mods:namePart>
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<mods:date id="F3963423C112D68686C38AC409E3626D">2019</mods:date>
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<mods:classification id="08B1654E9C2000B6E7F5E0E84E1A0B2C">journal article</mods:classification>
<mods:identifier id="08D9FFDBA0D82FCB490E8DB7F1AC7E42" type="DOI">http://dx.doi.org/10.3897/mycokeys.57.36628</mods:identifier>
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<treatment id="943F1F407F8655ECB58DEAB76F3B3467" ID-GBIF-Taxon="159043285" LSID="urn:lsid:plazi:treatment:943F1F407F8655ECB58DEAB76F3B3467" httpUri="http://treatment.plazi.org/id/943F1F407F8655ECB58DEAB76F3B3467" lastPageNumber="47" pageId="0" pageNumber="47" scope_family="Plectosphaerellaceae" scope_order="Glomerellales">
<subSubSection id="D5A75FB71F9FA072AA5AE9720FBBCED7" pageId="0" pageNumber="47" type="nomenclature">
<paragraph id="5D507FBAF7065FE252C4FCE18E0C6D5F" pageId="0" pageNumber="47">
<taxonomicName id="8F6F2153442439FD7A89CCBC4D6365CF" ID-CoL="4K3VN" LSID="943f1f40-7f86-55ec-b58d-eab76f3b3467" authority="Zhi. Y. Zhang, Y. F. Han &amp; Z. Q. Liang" class="Sordariomycetes" family="Plectosphaerellaceae" genus="Plectosphaerella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Plectosphaerella guizhouensis" order="Glomerellales" pageId="0" pageNumber="47" phylum="Ascomycota" rank="species" species="guizhouensis">Plectosphaerella guizhouensis Zhi.Y. Zhang, Y.F. Han &amp; Z.Q. Liang</taxonomicName>
<taxonomicNameLabel id="884D06E249EA8D17C31E1B695789C5F0" pageId="0" pageNumber="47">sp. nov.</taxonomicNameLabel>
<figureCitation id="4192A8F45921B79404A609AF941F42A2" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Plectosphaerella guizhouensis (HMAS 255618, holotype). A-B The front and reverse of colony on CA after 14 d at 25 ° C C Septate and aseptate conidia D Hyphal coils E-N Phialides. Scale bars: 10 μm (C-N)." figureDoi="10.3897/mycokeys.57.36628.figure2" httpUri="https://binary.pensoft.net/fig/324127" pageId="0" pageNumber="47">Figure 2</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="960C5C58D3CB6B9A0B2EBF6250E144A4" pageId="0" pageNumber="47" type="etymology">
<paragraph id="077437E32AB4E214727D3443758D56D0" pageId="0" pageNumber="47">Etymology.</paragraph>
<paragraph id="3325C2F5258F613FB21A0AB428834115" pageId="0" pageNumber="47">Referring to Guizhou, the province where the isolate was collected.</paragraph>
</subSubSection>
<subSubSection id="AEFADBAD56DB84E967281C85FBE4C1A7" pageId="0" pageNumber="47" type="description">
<paragraph id="96BDB2DA3A3980A1377D69C3A2D410B8" pageId="0" pageNumber="47">Description.</paragraph>
<paragraph id="60E0592CC66ABEA27442CC2820A79DC7" pageId="0" pageNumber="47">
<emphasis id="0A3979817755F8A96F85B628130F93B7" italics="true" pageId="0" pageNumber="47">Sexual morph</emphasis>
not observed.
<emphasis id="09F9C45D37C5AA16AD7D70C80F84573D" italics="true" pageId="0" pageNumber="47">Asexual morph</emphasis>
on CA.
<emphasis id="C82340E21DC684F9B77DBFB50B7C6163" italics="true" pageId="0" pageNumber="47">Mycelium</emphasis>
hyaline, smooth, septate, branched and thin-walled, 1-2
<normalizedToken id="64F5C3DD653FEFC41B49089AF3515457" originalValue="μm">μm</normalizedToken>
(
<emphasis id="82222FCF9FCA65E95BCE8F496E3D8E21" italics="true" pageId="0" pageNumber="47"></emphasis>
=1.5
<normalizedToken id="B83AF9FA27853242F20004AF262992AC" originalValue="μm">μm</normalizedToken>
) wide.
<emphasis id="A2656D65C4061CCA92E35475BA4C354C" italics="true" pageId="0" pageNumber="47">Conidiophores</emphasis>
solitary, unbranched or rarely branched, hyaline, smooth, thin-walled, sometimes radiating out from hyphal coils.
<emphasis id="91044745CEA642EE17B112BBB3C82A63" italics="true" pageId="0" pageNumber="47">Conidiogenous cells</emphasis>
growing from a short branch or directly from mycelia, phialides, discrete, polymorphic, cylindrical, sub-cylindrical or ampulliform; terminal or lateral, hyaline, smooth, solitary, straight at the apex, sometimes bent or helicoid, gradually tapering to the apex, 3.5-17
<normalizedToken id="5110BE60BAD2826EA00537D365198635" originalValue="×">x</normalizedToken>
0.5-2
<normalizedToken id="1BEB19B890C4FA2692EED6E915D8DCAD" originalValue="μm">μm</normalizedToken>
(
<emphasis id="ECDB8B881ED4411DFE1290B488390DF7" italics="true" pageId="0" pageNumber="47"></emphasis>
= 9.5
<normalizedToken id="0B2938A6E7763A3E5397E4C624CAA020" originalValue="×">x</normalizedToken>
1.5
<normalizedToken id="F8EB458ED2830F2744F399C912C94B3D" originalValue="μm">μm</normalizedToken>
, n = 20), collarette cylindrical, 0.5-1
<normalizedToken id="6D738B0D777CD5A9A9ACD514AF173CF0" originalValue="μm">μm</normalizedToken>
deep.
<emphasis id="EDAF2EB23DA29A7A377D1FC6C39F31B3" italics="true" pageId="0" pageNumber="47">Conidia</emphasis>
aggregating in slimy heads, non-septate or 1-septate, fusiform or cylindrical, sometimes rounded at both ends, hyaline, smooth, thin-walled; 2-6.5
<normalizedToken id="C864E0999742D804A56B892B417CA1DA" originalValue="×">x</normalizedToken>
1.5-5
<normalizedToken id="13B46C333AE96AC5532F5E2831BE1CEA" originalValue="μm">μm</normalizedToken>
(
<emphasis id="693146559D618B5D0383800CCDCCAE41" italics="true" pageId="0" pageNumber="47"></emphasis>
= 5.5
<normalizedToken id="BAB7C57787737CF5DCBD413A5972827B" originalValue="×">x</normalizedToken>
2
<normalizedToken id="D053A3A372CC5E15E624D5E49DE3815A" originalValue="μm">μm</normalizedToken>
, n = 10) (1-septate), 3-5
<normalizedToken id="B963035FB5D12D9833BC3CF1EC10D0C5" originalValue="×">x</normalizedToken>
1-1.5
<normalizedToken id="0BCC953ACF1A0F9E335D23ABDE232AE1" originalValue="μm">μm</normalizedToken>
(
<emphasis id="96063E632AE90D8BBECFD59642493094" italics="true" pageId="0" pageNumber="47"></emphasis>
= 4
<normalizedToken id="D3E270630E541E8B55CBA9F9C8D34838" originalValue="×">x</normalizedToken>
1.5
<normalizedToken id="0F1CBFD8DF2D84C5009E683DFC005FDD" originalValue="μm">μm</normalizedToken>
, n = 10) (non-septate).
<taxonomicName id="1B01758068382DDF3C07654E5810478E" genus="Chlamydospores" lsidName="Chlamydospores" pageId="0" pageNumber="47" rank="genus">
<emphasis id="311D1F9A9DE85D5F60A25875B462725A" italics="true" pageId="0" pageNumber="47">Chlamydospores</emphasis>
</taxonomicName>
absent.
</paragraph>
<caption id="BEC0BBC3818BD1EB40DA28FBD6F52D88" doi="10.3897/mycokeys.57.36628.figure2" httpUri="https://binary.pensoft.net/fig/324127" pageId="0" pageNumber="47" start="Figure 2" startId="F2">
<paragraph id="5C540C3217DF5BC78855909E7E0EE509" pageId="0" pageNumber="47">
Figure 2.
<taxonomicName id="53BC9B914CCB8D68B60323E178D2EEC2" class="Sordariomycetes" family="Plectosphaerellaceae" genus="Plectosphaerella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Plectosphaerella guizhouensis" order="Glomerellales" pageId="0" pageNumber="47" phylum="Ascomycota" rank="species" species="guizhouensis">
<emphasis id="81754B7A20B794B762FAA313F8CDB843" italics="true" pageId="0" pageNumber="47">Plectosphaerella guizhouensis</emphasis>
</taxonomicName>
(HMAS 255618, holotype).
<emphasis id="18206B4C959833E0CE336EBF9A1B5322" bold="true" pageId="0" pageNumber="47">
<normalizedToken id="F59B58D583F1F76CD87BB35810C90C9E" originalValue="AB">A-B</normalizedToken>
</emphasis>
The front and reverse of colony on CA after 14 d at 25 °C
<emphasis id="E6CC76F02311671F12F37398CF52C679" bold="true" pageId="0" pageNumber="47">C</emphasis>
Septate and aseptate conidia
<emphasis id="2A9BAEA8CE20D64E118135B37A78DF5E" bold="true" pageId="0" pageNumber="47">D</emphasis>
Hyphal coils
<emphasis id="09D5ED40B171D21998D6DF9437D49734" bold="true" pageId="0" pageNumber="47">
<normalizedToken id="DCBD17E2358E48F82D1D1AB469921664" originalValue="EN">E-N</normalizedToken>
</emphasis>
Phialides. Scale bars: 10
<normalizedToken id="4CCD7B1F85995ECE5172299FD01AD1D1" originalValue="μm">μm</normalizedToken>
(
<emphasis id="CAAF9FDA940FE691705B0860354C547F" bold="true" pageId="0" pageNumber="47">
<normalizedToken id="A2832C0307D3C6D56EE5C4107D7FB643" originalValue="CN">C-N</normalizedToken>
</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="DE52CEA152C38F8D09B7C6EFCD9B45E7" pageId="0" pageNumber="47" type="description">
<paragraph id="8588A36D70141A8986CA2B60FCBA9EB8" pageId="0" pageNumber="47">Culture characteristics.</paragraph>
<paragraph id="87578881ABD5B5A177BA4C977300CCAB" pageId="0" pageNumber="47">Colonies on PDA reaching 74-75 mm diam. in 14 d at 25 °C, milk white, flat, aerial hyphae sparse, floccose at periphery, sub-rounded, margin regular, reverse milk white. Colonies on CA reaching 65-67 mm diam. in 14 d at 25 °C, white to milk white, flat, floccose, margin weakly undulate to faintly fimbriate, reverse milk white.</paragraph>
</subSubSection>
<subSubSection id="633A3217F6703D817A5C935F73D034F4" pageId="0" pageNumber="47" type="typification">
<paragraph id="41B3E571AF56F682116CB119BBD304D7" pageId="0" pageNumber="47">Typification.</paragraph>
<paragraph id="A7791897E13AFF3F9F50BC336210284B" pageId="0" pageNumber="47">
CHINA, Guizhou, Guiyang, Qianlingshan Park,
<geoCoordinate id="8AE4AF2581700AE46F58C7F0F71F6F9F" degrees="26" direction="north" minutes="60" orientation="latitude" precision="925" value="27.0">26°60'N</geoCoordinate>
, 106°69'E, 1210 m a.s.l., on soil, 10 Sep. 2016, collected and isolated by Zhi-Yuan Zhang, HMAS 255618 (holotype), ex-type CGMCC 3.19658 (= GZUIFR-QL9.9.1); ex-isotype CGMCC 3.19659 (= GZUIFR-QL9.9.2) and CGMCC 3.19660 (= GZUIFR-QL9.9.3).
</paragraph>
</subSubSection>
<subSubSection id="6922A7D58F9EF7070DE0B071A73741A0" pageId="0" pageNumber="47" type="notes">
<paragraph id="F69CEE687E2EE76234547F39274ABC12" pageId="0" pageNumber="47">Notes.</paragraph>
<paragraph id="5D976E460F109B7454996A90E430FE62" pageId="0" pageNumber="47">
Based on multi-locus phylogenetic analyses (
<figureCitation id="EC94ED1681580EF1C1BDE8FD96C05DB7" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phylogenetic tree of Plectosphaerella species derived from Bayesian analyses and Maximum Likelihood analyses, based on the combined sequences dataset of LSU + ITS + EF 1 α + RPB 2. Bayesian posterior probabilities (BI pp) greater than 0.7 and Maximum Likelihood bootstrap support values (MLBS) greater than 95 % are shown above branches. New isolates are in bold and blue. The tree used Brunneochlamydosporium nepalense (CBS 277.89 and CBS 971.72) as outgroup." figureDoi="10.3897/mycokeys.57.36628.figure1" httpUri="https://binary.pensoft.net/fig/324126" pageId="0" pageNumber="47">Figure 1</figureCitation>
, see Results) and similar morphological characteristics, the three strains are regarded as the same species, which cluster together very well and form a single clade separated from other species of
<taxonomicName id="F61A04DC42467C843C8F5F937ECB4CE3" class="Sordariomycetes" family="Plectosphaerellaceae" genus="Plectosphaerella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Plectosphaerella" order="Glomerellales" pageId="0" pageNumber="47" phylum="Ascomycota" rank="genus">
<emphasis id="74EE53961371303FB4C8F8878E427D6C" italics="true" pageId="0" pageNumber="47">Plectosphaerella</emphasis>
</taxonomicName>
(
<figureCitation id="BC01A0950A8869403E107BE066AA3A91" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phylogenetic tree of Plectosphaerella species derived from Bayesian analyses and Maximum Likelihood analyses, based on the combined sequences dataset of LSU + ITS + EF 1 α + RPB 2. Bayesian posterior probabilities (BI pp) greater than 0.7 and Maximum Likelihood bootstrap support values (MLBS) greater than 95 % are shown above branches. New isolates are in bold and blue. The tree used Brunneochlamydosporium nepalense (CBS 277.89 and CBS 971.72) as outgroup." figureDoi="10.3897/mycokeys.57.36628.figure1" httpUri="https://binary.pensoft.net/fig/324126" pageId="0" pageNumber="47">Figure 1</figureCitation>
). Morphologically,
<taxonomicName id="16B59582A4E06B92C5D509C09BE5B19A" class="Sordariomycetes" family="Plectosphaerellaceae" genus="Plectosphaerella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Plectosphaerella guizhouensis" order="Glomerellales" pageId="0" pageNumber="47" phylum="Ascomycota" rank="species" species="guizhouensis">
<emphasis id="791E35617C23CF261DA7D8C166E84B4C" italics="true" pageId="0" pageNumber="47">Plectosphaerella guizhouensis</emphasis>
</taxonomicName>
differs from others species by the fusiform or cylindrical conidia, non-septate conidia (average 4
<normalizedToken id="3FCECF0799A9160E41566C771748E0F0" originalValue="×">x</normalizedToken>
1.5
<normalizedToken id="4A5C507D3520909C071B63D7A5C4BF40" originalValue="μm">μm</normalizedToken>
) and separate conidia (5.5
<normalizedToken id="607056AD2AB44F115F746ED5F79178DE" originalValue="×">x</normalizedToken>
2
<normalizedToken id="879476B8297A9F44758226F29F39526C" originalValue="μm">μm</normalizedToken>
) (see Key). Therefore, based on combined phylogenetic and morphological evidence,
<taxonomicName id="EB8BB881FB29AAEFB43267DEB930570A" lsidName="P. guizhouensis" pageId="0" pageNumber="47" rank="species" species="guizhouensis">
<emphasis id="800AAC906CB8A5C29D3B4F60CD62617F" italics="true" pageId="0" pageNumber="47">P. guizhouensis</emphasis>
</taxonomicName>
is identified as a new species of
<taxonomicName id="3869FC82E8E670178FBCC0C1559D5F0E" class="Sordariomycetes" family="Plectosphaerellaceae" genus="Plectosphaerella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Plectosphaerella" order="Glomerellales" pageId="0" pageNumber="47" phylum="Ascomycota" rank="genus">
<emphasis id="5EBB7AA41068CE42F4E909BBE83885D6" italics="true" pageId="0" pageNumber="47">Plectosphaerella</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
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