255 lines
30 KiB
XML
255 lines
30 KiB
XML
<document id="FE8AA54B98BED4C5F6744F7D7AD9D555" ID-DOI="10.11646/phytotaxa.432.3.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="13875915" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1727821814964" checkinUser="felipe" docAuthor="Chen, Jia-Jia, Feng, Hui, Song, Wei & Zheng, Xiao-Bo" docDate="2020" docId="03B587D85372A63CFF3CFA10FD7D7725" docLanguage="en" docName="phytotaxa.432.3.3.pdf" docOrigin="Phytotaxa 432 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.432.3.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Pythium subinflatum Jia J. Chen & X. B. Zheng 2020, sp. nov." docType="treatment" docVersion="2" lastPageNumber="268" masterDocId="FF8CFFA05371A639FFB4FF84FFE67F01" masterDocTitle="Two new Pythium species from southern China based on morphological and molecular characters" masterLastPageNumber="273" masterPageNumber="263" pageNumber="266" updateTime="1727825950004" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="FAED1014AC0B34362C535C498BB36832">Two new Pythium species from southern China based on morphological and molecular characters</mods:title>
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<mods:name id="222CD67D1DEA37ABAC04D0FA7B09D7C7" type="personal">
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<mods:namePart id="9220F2DE3EC2F5EA79C354B95358F864">Chen, Jia-Jia</mods:namePart>
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<mods:affiliation id="3310ABD7B349F1F849880DACED6D370B">Permanent Research Base of National Forestry and Grassland Administration, Jiangsu Vocational College of Agriculture and Forestry, Zhenjiang 212400, China & Department of Plant Pathology, Nanjing Agricultural University, Nanjing 210095, China</mods:affiliation>
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<mods:namePart id="B666038594D657A87E21D7858654E217">Feng, Hui</mods:namePart>
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<mods:affiliation id="E86D0D37512BBF939966099173D304F4">Department of Plant Pathology, Nanjing Agricultural University, Nanjing 210095, China</mods:affiliation>
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<mods:namePart id="B70A09CE84AE5252541ADC2332FB2603">Song, Wei</mods:namePart>
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<mods:affiliation id="4DE4C9AB0ECAEE8DAE1D782510A696CC">Permanent Research Base of National Forestry and Grassland Administration, Jiangsu Vocational College of Agriculture and Forestry, Zhenjiang 212400, China</mods:affiliation>
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<mods:namePart id="97290AAA39CD6C0AB661D6ECBA28950F">Zheng, Xiao-Bo</mods:namePart>
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<mods:affiliation id="325FC147ACCA387A6ACB888F2D5CF601">Department of Plant Pathology, Nanjing Agricultural University, Nanjing 210095, China</mods:affiliation>
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<mods:title id="366E845F52F9AA45532F495D67B0343B">Phytotaxa</mods:title>
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<mods:part id="7ECAC857D980EBEA4B3A4BE80825EEE6">
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<mods:date id="66387FAC02F0C6AA1F3A54B363E107EE">2020</mods:date>
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<mods:number id="2FA7DFB719138C30ADA8DDC44AEF2404">2020-02-12</mods:number>
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<mods:number id="6CBAA27DD605DD5DCE494FFD8A7498BC">432</mods:number>
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<mods:url id="D125BF90049BDD58B660F8FE79A744FE">http://dx.doi.org/10.11646/phytotaxa.432.3.3</mods:url>
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<mods:classification id="9821BECFEA17278785EE4463B25C579D">journal article</mods:classification>
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<mods:identifier id="8A13C6077EA8A4BD6A131B515F6C0207" type="DOI">10.11646/phytotaxa.432.3.3</mods:identifier>
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<mods:identifier id="478E350F25B418D2AC32A0E94C3EF1BB" type="ISSN">1179-3163</mods:identifier>
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<treatment id="03B587D85372A63CFF3CFA10FD7D7725" LSID="urn:lsid:plazi:treatment:03B587D85372A63CFF3CFA10FD7D7725" httpUri="http://treatment.plazi.org/id/03B587D85372A63CFF3CFA10FD7D7725" lastPageId="5" lastPageNumber="268" pageId="3" pageNumber="266">
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<subSubSection id="C30665455372A63AFF3CFA10FE717AD3" pageId="3" pageNumber="266" type="nomenclature">
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<paragraph id="8BA336CE5372A63AFF3CFA10FC837AAF" blockId="3.[136,869,1428,1455]" box="[136,869,1428,1455]" pageId="3" pageNumber="266">
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<heading id="D0EB81A25372A63AFF3CFA10FC837AAF" box="[136,869,1428,1455]" fontSize="11" level="2" pageId="3" pageNumber="266" reason="3">
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<taxonomicName id="4C1C4D4D5372A63AFF3CFA10FD4E7AAF" authority="Jia J. Chen & X.B. Zheng" authorityName="Jia J. Chen & X. B. Zheng" authorityYear="2020" box="[136,680,1428,1455]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="3" pageNumber="266" phylum="Oomycota" rank="species" species="subinflatum" status="sp. nov.">
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<emphasis id="B968EADC5372A63AFF3CFA10FE9B7AAE" bold="true" box="[136,381,1428,1455]" italics="true" pageId="3" pageNumber="266">Pythium subinflatum</emphasis>
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Jia J. Chen & X.B. Zheng
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</taxonomicName>
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,
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<emphasis id="B968EADC5372A63AFD07FA11FD2A7AAF" box="[691,716,1429,1454]" italics="true" pageId="3" pageNumber="266">sp</emphasis>
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.
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<emphasis id="B968EADC5372A63AFD6EFA11FCE47AAF" box="[730,770,1429,1454]" italics="true" pageId="3" pageNumber="266">nov</emphasis>
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.
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</taxonomicNameLabel>
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(
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<figureCitation id="13272A4B5372A63AFCADFA10FCBA7AAF" box="[793,860,1428,1454]" captionStart="FIGURE 2" captionStartId="5.[136,229,1485,1507]" captionTargetBox="[178,1413,192,1454]" captionTargetId="figure-19@5.[170,1417,187,1461]" captionTargetPageId="5" captionText="FIGURE 2. Asexual and sexual reproductive bodies of Pythium subinflatum (Chen 262).A. Catenulate hyphal swellings. B–C. Globose, terminal hyphal swellings. D–E. Filamentous, inflated sporangia. F–H. Globose, smooth and terminal oogonia. I. Oogonium with a projection. J. Aplerotic oospore. K. Diclinous antheridium. L. Aplerotic oospore and two antheridia. Scale bars A =2 μm, B–J=10 μm." figureDoi="http://doi.org/10.5281/zenodo.13875919" httpUri="https://zenodo.org/record/13875919/files/figure.png" pageId="3" pageNumber="266">Fig. 2</figureCitation>
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)
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</heading>
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</paragraph>
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<paragraph id="8BA336CE5372A63AFF3CFA38FE717AD3" blockId="3.[136,407,1468,1490]" box="[136,407,1468,1490]" pageId="3" pageNumber="266">MycoBank no.: MB 822956</paragraph>
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<paragraph id="8BA336CE5372A63AFF3CF984FB967963" blockId="3.[136,1452,1536,2067]" pageId="3" pageNumber="266">
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Differs from other
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<taxonomicName id="4C1C4D4D5372A63AFEDAF984FDCC791B" box="[366,554,1536,1562]" pageId="3" pageNumber="266">
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<emphasis id="B968EADC5372A63AFEDAF984FE2D791B" box="[366,459,1536,1562]" italics="true" pageId="3" pageNumber="266">Pythium</emphasis>
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species
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</taxonomicName>
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by globose to sub-globose or ovoid hyphal swellings, filamentous inflated sporangia, smooth oogonia, mostly diclinous antheridia, elongated along the oogonial stalk, subcircular, subglobose or fist-shaped antheridial cells, and aplerotic and slightly thick-walled oospores (2–3.5 µm).
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</paragraph>
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<paragraph id="8BA336CE5372A63AFF09F9E9FEBC79AB" blockId="3.[136,1452,1536,2067]" pageId="3" pageNumber="266">
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<emphasis id="B968EADC5372A63AFF09F9E9FF177987" box="[189,241,1645,1670]" italics="true" pageId="3" pageNumber="266">Type</emphasis>
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.—
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<collectingCountry id="F30B765E5372A63AFEA7F9E8FE977987" box="[275,369,1644,1670]" name="China" pageId="3" pageNumber="266">CHINA</collectingCountry>
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.
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<collectingRegion id="49D8F82C5372A63AFECBF9E8FDFB7986" box="[383,541,1644,1671]" country="China" name="Jiangsu" pageId="3" pageNumber="266">Jiangsu Prov.</collectingRegion>
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: Xuzhou,
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<geoCoordinate id="EE2850095372A63AFD21F9E8FCE67986" box="[661,768,1644,1671]" degrees="117.05" direction="east" orientation="longitude" pageId="3" pageNumber="266" precision="555" value="117.05">117.05°E</geoCoordinate>
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,
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<geoCoordinate id="EE2850095372A63AFCBBF9E8FC977987" box="[783,881,1644,1670]" degrees="33.38" direction="north" orientation="latitude" pageId="3" pageNumber="266" precision="555" value="33.38">33.38°N</geoCoordinate>
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, on roots of
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<taxonomicName id="4C1C4D4D5372A63AFBBFF9E8FB7A7987" box="[1035,1180,1644,1670]" class="Magnoliopsida" family="Fabaceae" genus="Glycine" kingdom="Plantae" order="Fabales" pageId="3" pageNumber="266" phylum="Tracheophyta" rank="species" species="max">
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<emphasis id="B968EADC5372A63AFBBFF9E8FB7A7987" box="[1035,1180,1644,1670]" italics="true" pageId="3" pageNumber="266">Glycine max</emphasis>
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</taxonomicName>
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,
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<date id="FFA2100E5372A63AFB18F9E8FACB7987" box="[1196,1325,1644,1670]" pageId="3" pageNumber="266" value="2016-04">April 2016</date>
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||
,
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<emphasis id="B968EADC5372A63AFA8FF9E8FA4D7987" box="[1339,1451,1644,1670]" italics="true" pageId="3" pageNumber="266">Chen 262</emphasis>
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||
(
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||
<typeStatus id="54A7886C5372A63AFF24F914FF1079AB" box="[144,246,1680,1706]" pageId="3" pageNumber="266" type="holotype">holotype</typeStatus>
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, NJAU).
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||
</paragraph>
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||
<paragraph id="8BA336CE5372A63AFF09F930FAE179CE" blockId="3.[136,1452,1536,2067]" box="[189,1287,1716,1743]" pageId="3" pageNumber="266">
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<emphasis id="B968EADC5372A63AFF09F930FED379CF" box="[189,309,1716,1742]" italics="true" pageId="3" pageNumber="266">Etymology</emphasis>
|
||
.—
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<emphasis id="B968EADC5372A63AFEECF930FE3979CF" box="[344,479,1716,1742]" italics="true" pageId="3" pageNumber="266">Subinflatum</emphasis>
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(Lat.): referring to the species is somewhat similar to
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<taxonomicName id="4C1C4D4D5372A63AFB8BF930FAE679CF" box="[1087,1280,1716,1742]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="3" pageNumber="266" phylum="Oomycota" rank="species" species="inflatum">
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<emphasis id="B968EADC5372A63AFB8BF930FAE679CF" box="[1087,1280,1716,1742]" italics="true" pageId="3" pageNumber="266">Pythium inflatum</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="8BA336CE5372A63AFF09F95CFA837713" blockId="3.[136,1452,1536,2067]" pageId="3" pageNumber="266">
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Colonies submerged, with radiate pattern on CMA, radiate pattern on PCA, and radiate pattern on 10% V8 juice agar (V8A). Average growth rates
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<quantity id="4CE49B2B5372A63AFDA7F978FDB07816" box="[531,598,1788,1815]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="3" pageNumber="266" unit="mm" value="6.0">6 mm</quantity>
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<superScript id="7C699B865372A63AFDEAF978FD71780B" attach="left" box="[606,663,1788,1814]" fontSize="6" pageId="3" pageNumber="266">day−1</superScript>
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at 10°C,
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<quantity id="4CE49B2B5372A63AFCB3F978FCAF7816" box="[775,841,1788,1815]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="3" pageNumber="266" unit="mm" value="8.0">8 mm</quantity>
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<superScript id="7C699B865372A63AFCE5F978FC6D780B" attach="left" box="[849,907,1788,1814]" fontSize="6" pageId="3" pageNumber="266">day−1</superScript>
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at 15°C,
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<quantity id="4CE49B2B5372A63AFC4EF978FBAD7816" box="[1018,1099,1788,1815]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="3" pageNumber="266" unit="mm" value="15.0">15 mm</quantity>
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<superScript id="7C699B865372A63AFBE7F978FB6B780B" attach="left" box="[1107,1165,1788,1814]" fontSize="6" pageId="3" pageNumber="266">day−1</superScript>
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at 20°C,
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<quantity id="4CE49B2B5372A63AFB48F978FAAB7816" box="[1276,1357,1788,1815]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="3" pageNumber="266" unit="mm" value="20.0">20 mm</quantity>
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at 25°C,
|
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<quantity id="4CE49B2B5372A63AFF65F8A4FEC7783A" box="[209,289,1824,1851]" metricMagnitude="-2" metricUnit="m" metricValue="2.7" pageId="3" pageNumber="266" unit="mm" value="27.0">27 mm</quantity>
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at 30°C,
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<quantity id="4CE49B2B5372A63AFE7AF8A4FDF8783A" box="[462,542,1824,1851]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="3" pageNumber="266" unit="mm" value="15.0">15 mm</quantity>
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<superScript id="7C699B865372A63AFD92F8A4FDB9782F" attach="left" box="[550,607,1824,1850]" fontSize="6" pageId="3" pageNumber="266">day−1</superScript>
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at 35°C. Cardinal temperatures: minimum 5°C, optimum 30°C, maximum 38°C. Main hyphae hyaline, aseptate, up to 5.0 µm wide. Hyphal swellings globose to sub-globose or ovoid, terminal, intercalary or catenulate, 8.5–25 (mean 18.5) μm in diameter (
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<figureCitation id="13272A4B5372A63AFCF7F8ECFC597883" box="[835,959,1896,1922]" captionStart="FIGURE 2" captionStartId="5.[136,229,1485,1507]" captionTargetBox="[178,1413,192,1454]" captionTargetId="figure-19@5.[170,1417,187,1461]" captionTargetPageId="5" captionText="FIGURE 2. Asexual and sexual reproductive bodies of Pythium subinflatum (Chen 262).A. Catenulate hyphal swellings. B–C. Globose, terminal hyphal swellings. D–E. Filamentous, inflated sporangia. F–H. Globose, smooth and terminal oogonia. I. Oogonium with a projection. J. Aplerotic oospore. K. Diclinous antheridium. L. Aplerotic oospore and two antheridia. Scale bars A =2 μm, B–J=10 μm." figureDoi="http://doi.org/10.5281/zenodo.13875919" httpUri="https://zenodo.org/record/13875919/files/figure.png" pageId="3" pageNumber="266">Fig. 2A–C</figureCitation>
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). Sporangia filamentous inflated, consisting of lobate elements (
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<figureCitation id="13272A4B5372A63AFED4F808FE3C78A7" box="[352,474,1932,1958]" captionStart="FIGURE 2" captionStartId="5.[136,229,1485,1507]" captionTargetBox="[178,1413,192,1454]" captionTargetId="figure-19@5.[170,1417,187,1461]" captionTargetPageId="5" captionText="FIGURE 2. Asexual and sexual reproductive bodies of Pythium subinflatum (Chen 262).A. Catenulate hyphal swellings. B–C. Globose, terminal hyphal swellings. D–E. Filamentous, inflated sporangia. F–H. Globose, smooth and terminal oogonia. I. Oogonium with a projection. J. Aplerotic oospore. K. Diclinous antheridium. L. Aplerotic oospore and two antheridia. Scale bars A =2 μm, B–J=10 μm." figureDoi="http://doi.org/10.5281/zenodo.13875919" httpUri="https://zenodo.org/record/13875919/files/figure.png" pageId="3" pageNumber="266">Fig. 2D–E</figureCitation>
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). Homothallic; oogonia globose, smooth, terminal, 23–30 µm (mean 26 µm) in diameter. Antheridia mostly diclinous, sometimes monoclinous, one to two per oogonium (
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<figureCitation id="13272A4B5372A63AFBE6F834FB2878CB" box="[1106,1230,1968,1994]" captionStart="FIGURE 2" captionStartId="5.[136,229,1485,1507]" captionTargetBox="[178,1413,192,1454]" captionTargetId="figure-19@5.[170,1417,187,1461]" captionTargetPageId="5" captionText="FIGURE 2. Asexual and sexual reproductive bodies of Pythium subinflatum (Chen 262).A. Catenulate hyphal swellings. B–C. Globose, terminal hyphal swellings. D–E. Filamentous, inflated sporangia. F–H. Globose, smooth and terminal oogonia. I. Oogonium with a projection. J. Aplerotic oospore. K. Diclinous antheridium. L. Aplerotic oospore and two antheridia. Scale bars A =2 μm, B–J=10 μm." figureDoi="http://doi.org/10.5281/zenodo.13875919" httpUri="https://zenodo.org/record/13875919/files/figure.png" pageId="3" pageNumber="266">Fig. 2F–L</figureCitation>
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); antheridial stalks unbranched; antheridial cells elongated along the oogonial stalk, subcircular, subglobose or fist-shaped. Oospores aplerotic, globose, 20–25 μm (mean 23 µm) in diameter, hyaline. Oospore wall 2–3.5 µm (mean 2.5 µm) thick.
|
||
</paragraph>
|
||
<caption id="DF6366465375A63DFF3CF8CCFEB478A7" ID-DOI="http://doi.org/10.5281/zenodo.13875917" ID-Zenodo-Dep="13875917" httpUri="https://zenodo.org/record/13875917/files/figure.png" pageId="4" pageNumber="267" startId="4.[136,229,1864,1886]" targetBox="[151,1434,230,1792]" targetPageId="4" targetType="figure">
|
||
<paragraph id="8BA336CE5375A63DFF3CF8CCFEB478A7" blockId="4.[136,1451,1864,1958]" pageId="4" pageNumber="267">
|
||
<emphasis id="B968EADC5375A63DFF3CF8CCFF1B785C" bold="true" box="[136,253,1864,1886]" pageId="4" pageNumber="267">FIGURE 1.</emphasis>
|
||
Phylogeny of species in
|
||
<taxonomicName id="4C1C4D4D5375A63DFE5FF8CCFDDD785C" authorityName="Pringsheim" authorityYear="1858" box="[491,571,1864,1885]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="4" pageNumber="267" phylum="Oomycota" rank="genus">
|
||
<emphasis id="B968EADC5375A63DFE5FF8CCFDDD785C" box="[491,571,1864,1885]" italics="true" pageId="4" pageNumber="267">Pythium</emphasis>
|
||
</taxonomicName>
|
||
clade B species generated by maximum parsimony based on ITS+COI sequences. Branches are labeled with parsimony bootstrap proportions (before slanting line) high than 50% and Bayesian posterior probabilities (after slanting line) more than 0.95.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF6366465374A63CFF3CFA49FA6A792A" ID-DOI="http://doi.org/10.5281/zenodo.13875919" ID-Zenodo-Dep="13875919" httpUri="https://zenodo.org/record/13875919/files/figure.png" pageId="5" pageNumber="268" startId="5.[136,229,1485,1507]" targetBox="[178,1413,192,1454]" targetPageId="5" targetType="figure">
|
||
<paragraph id="8BA336CE5374A63CFF3CFA49FA6A792A" blockId="5.[136,1452,1485,1579]" pageId="5" pageNumber="268">
|
||
<emphasis id="B968EADC5374A63CFF3CFA49FF117AE3" bold="true" box="[136,247,1485,1507]" pageId="5" pageNumber="268">FIGURE 2</emphasis>
|
||
. Asexual and sexual reproductive bodies of
|
||
<taxonomicName id="4C1C4D4D5374A63CFD15FA49FC8E7AE3" authorityName="Jia J. Chen & X. B. Zheng" authorityYear="2020" box="[673,872,1485,1506]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="species" species="subinflatum">
|
||
<emphasis id="B968EADC5374A63CFD15FA49FC8E7AE3" box="[673,872,1485,1506]" italics="true" pageId="5" pageNumber="268">Pythium subinflatum</emphasis>
|
||
</taxonomicName>
|
||
(Chen 262). A. Catenulate hyphal swellings. B–C. Globose, terminal hyphal swellings. D–E. Filamentous, inflated sporangia. F–H. Globose, smooth and terminal oogonia. I. Oogonium with a projection. J. Aplerotic oospore. K. Diclinous antheridium. L. Aplerotic oospore and two antheridia. Scale bars A =2 μm, B–J=10 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BA336CE5374A63CFF09F9DEFDB87999" blockId="5.[136,1452,1626,2084]" pageId="5" pageNumber="268">
|
||
<emphasis id="B968EADC5374A63CFF09F9DEFDC07975" box="[189,550,1626,1652]" italics="true" pageId="5" pageNumber="268">Additional specimens examined.</emphasis>
|
||
—
|
||
<collectingCountry id="F30B765E5374A63CFDF7F9DEFD787975" box="[579,670,1626,1652]" name="China" pageId="5" pageNumber="268">CHINA</collectingCountry>
|
||
.
|
||
<collectingRegion id="49D8F82C5374A63CFD1CF9DEFCBB7975" box="[680,861,1626,1652]" country="China" name="Shandong" pageId="5" pageNumber="268">Shandong Prov.</collectingRegion>
|
||
: Jining,
|
||
<geoCoordinate id="EE2850095374A63CFC0CF9DEFBC57974" box="[952,1059,1626,1653]" degrees="116.35" direction="east" orientation="longitude" pageId="5" pageNumber="268" precision="555" value="116.35">116.35°E</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="EE2850095374A63CFB9AF9DEFB767974" box="[1070,1168,1626,1653]" degrees="35.27" direction="north" orientation="latitude" pageId="5" pageNumber="268" precision="555" value="35.27">35.27°N</geoCoordinate>
|
||
, on roots of
|
||
<taxonomicName id="4C1C4D4D5374A63CFAACF9DEFA437975" box="[1304,1445,1626,1652]" class="Magnoliopsida" family="Fabaceae" genus="Glycine" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="max">
|
||
<emphasis id="B968EADC5374A63CFAACF9DEFA437975" box="[1304,1445,1626,1652]" italics="true" pageId="5" pageNumber="268">Glycine max</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<date id="FFA2100E5374A63CFF3CF9FAFEE37999" box="[136,261,1662,1688]" pageId="5" pageNumber="268" value="2016-04">April 2016</date>
|
||
,
|
||
<emphasis id="B968EADC5374A63CFEA4F9FAFE9A7999" box="[272,380,1662,1688]" italics="true" pageId="5" pageNumber="268">Chen 263</emphasis>
|
||
(
|
||
<typeStatus id="54A7886C5374A63CFE3FF9FAFE1D7999" box="[395,507,1662,1688]" pageId="5" pageNumber="268" type="paratype">paratypes</typeStatus>
|
||
, NJAU).
|
||
</paragraph>
|
||
<paragraph id="8BA336CE5374A63CFF09F926FD7D7725" blockId="5.[136,1452,1626,2084]" pageId="5" pageNumber="268">
|
||
<emphasis id="B968EADC5374A63CFF09F926FEF979BD" box="[189,287,1698,1724]" italics="true" pageId="5" pageNumber="268">Remarks</emphasis>
|
||
.—
|
||
<taxonomicName id="4C1C4D4D5374A63CFEF6F926FDD379BD" authorityName="Jia J. Chen & X. B. Zheng" authorityYear="2020" box="[322,565,1698,1724]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="species" species="subinflatum">
|
||
<emphasis id="B968EADC5374A63CFEF6F926FDD379BD" box="[322,565,1698,1724]" italics="true" pageId="5" pageNumber="268">Pythium subinflatum</emphasis>
|
||
</taxonomicName>
|
||
is characterized by globose to sub-globose or ovoid hyphal swellings, filamentous inflated sporangia, smooth oogonia, mostly diclinous antheridia, elongated along the oogonial stalk, subcircular, subglobose or fist-shaped antheridial cells, and aplerotic and slightly thick-walled oospores (2–3.5 µm). Phylogenetically
|
||
<taxonomicName id="4C1C4D4D5374A63CFEF8F88BFE0A7829" authorityName="Jia J. Chen & X. B. Zheng" authorityYear="2020" box="[332,492,1806,1832]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="species" species="subinflatum">
|
||
<emphasis id="B968EADC5374A63CFEF8F88BFE0A7829" box="[332,492,1806,1832]" italics="true" pageId="5" pageNumber="268">P. subinflatum</emphasis>
|
||
</taxonomicName>
|
||
belongs to
|
||
<taxonomicName id="4C1C4D4D5374A63CFDC4F88AFD2B7829" authorityName="Pringsheim" authorityYear="1858" box="[624,717,1806,1832]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="genus">
|
||
<emphasis id="B968EADC5374A63CFDC4F88AFD2B7829" box="[624,717,1806,1832]" italics="true" pageId="5" pageNumber="268">Pythium</emphasis>
|
||
</taxonomicName>
|
||
subclade B1d in the phylogenetic tree and is closely related to
|
||
<taxonomicName id="4C1C4D4D5374A63CFA23F88BFE70784D" authority="V. D. Matthews" authorityName="V. D. Matthews" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="species" species="inflatum">
|
||
<emphasis id="B968EADC5374A63CFA23F88BFF03784D" italics="true" pageId="5" pageNumber="268">P. inflatum</emphasis>
|
||
V.D. Matthews
|
||
</taxonomicName>
|
||
according to the ITS and COI-based phylogeny with low support (73% MP and 0.59 BPPs;
|
||
<figureCitation id="13272A4B5374A63CFF3CF8D2FF2F7871" box="[136,201,1878,1904]" captionStart="FIGURE 1" captionStartId="4.[136,229,1864,1886]" captionTargetBox="[151,1434,230,1792]" captionTargetId="figure-24@4.[151,1436,226,1792]" captionTargetPageId="4" captionText="FIGURE 1. Phylogeny of species in Pythium clade B species generated by maximum parsimony based on ITS+COI sequences. Branches are labeled with parsimony bootstrap proportions (before slanting line) high than 50% and Bayesian posterior probabilities (after slanting line) more than 0.95." figureDoi="http://doi.org/10.5281/zenodo.13875917" httpUri="https://zenodo.org/record/13875917/files/figure.png" pageId="5" pageNumber="268">Fig. 1</figureCitation>
|
||
). The species in subclade B1d are characterized by filamentous inflated sporangia and relatively high cardinal temperatures for growth (optimum 30°C, maximum 40°
|
||
<bibRefCitation id="EF8D4B3F5374A63CFCA7F8FEFB927895" author="Levesque, C. A. & de Cock, A. W. A. M." box="[787,1140,1914,1940]" pageId="5" pageNumber="268" pagination="1363 - 1383" refId="ref5909" refString="Levesque, C. A. & de Cock, A. W. A. M. (2004) Molecular phylogeny and taxonomy of the genus Pythium. Mycological Research 108: 1363 - 1383. https: // doi. org / 10.1017 / S 0953756204001431" type="journal article" year="2004">C, Lévesque & de Cock 2004</bibRefCitation>
|
||
).
|
||
<taxonomicName id="4C1C4D4D5374A63CFB3EF8FFFACB7895" authorityName="Jia J. Chen & X. B. Zheng" authorityYear="2020" box="[1162,1325,1914,1940]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="species" species="subinflatum">
|
||
<emphasis id="B968EADC5374A63CFB3EF8FFFACB7895" box="[1162,1325,1914,1940]" italics="true" pageId="5" pageNumber="268">P. subinflatum</emphasis>
|
||
</taxonomicName>
|
||
shares the above characteristics with other
|
||
<taxonomicName id="4C1C4D4D5374A63CFE41F81AFDB478B9" authorityName="Pringsheim" authorityYear="1858" box="[501,594,1950,1976]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="genus">
|
||
<emphasis id="B968EADC5374A63CFE41F81AFDB478B9" box="[501,594,1950,1976]" italics="true" pageId="5" pageNumber="268">Pythium</emphasis>
|
||
</taxonomicName>
|
||
subclade B1d species, however,
|
||
<taxonomicName id="4C1C4D4D5374A63CFC7CF81BFB8E78B9" authorityName="Jia J. Chen & X. B. Zheng" authorityYear="2020" box="[968,1128,1950,1976]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="species" species="subinflatum">
|
||
<emphasis id="B968EADC5374A63CFC7CF81BFB8E78B9" box="[968,1128,1950,1976]" italics="true" pageId="5" pageNumber="268">P. subinflatum</emphasis>
|
||
</taxonomicName>
|
||
can be readily distinguished in having fast growth rate (
|
||
<quantity id="4CE49B2B5374A63CFE02F846FDE178DD" box="[438,519,1986,2012]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="5" pageNumber="268" unit="mm" value="20.0">20 mm</quantity>
|
||
d
|
||
<superScript id="7C699B865374A63CFDAFF846FDCA78D1" attach="left" box="[539,556,1986,2000]" fontSize="6" pageId="5" pageNumber="268">–1</superScript>
|
||
).
|
||
<taxonomicName id="4C1C4D4D5374A63CFDF7F847FD5D78DD" box="[579,699,1986,2012]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="species" species="inflatum">
|
||
<emphasis id="B968EADC5374A63CFDF7F847FD5D78DD" box="[579,699,1986,2012]" italics="true" pageId="5" pageNumber="268">P. inflatum</emphasis>
|
||
</taxonomicName>
|
||
resembles
|
||
<taxonomicName id="4C1C4D4D5374A63CFC8DF847FC3F78DD" authorityName="Jia J. Chen & X. B. Zheng" authorityYear="2020" box="[825,985,1986,2012]" class="Peronosporea" family="Pythiaceae" genus="Pythium" kingdom="Chromista" order="Peronosporales" pageId="5" pageNumber="268" phylum="Oomycota" rank="species" species="subinflatum">
|
||
<emphasis id="B968EADC5374A63CFC8DF847FC3F78DD" box="[825,985,1986,2012]" italics="true" pageId="5" pageNumber="268">P. subinflatum</emphasis>
|
||
</taxonomicName>
|
||
in having filamentous inflated sporangia, but it is distinguished in its smaller oogonia (20–24µm), plerotic or nearly plerotic oospores, and slower growth (
|
||
<quantity id="4CE49B2B5374A63CFA3BF862FF527725" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="268" unit="mm" value="10.0">10 mm</quantity>
|
||
d
|
||
<superScript id="7C699B865374A63CFF7DF78EFF3F7719" attach="left" box="[201,217,2058,2072]" fontSize="6" pageId="5" pageNumber="268">–1</superScript>
|
||
,
|
||
<tableCitation id="C69E03755374A63CFF52F78EFEDC7725" box="[230,314,2058,2084]" captionStart="TABLE 3" captionStartId="6.[136,224,160,184]" captionText="TABLE 3. Morphological description of Pythium subinflatum and the most closely related species." pageId="5" pageNumber="268">Table 3</tableCitation>
|
||
,
|
||
<bibRefCitation id="EF8D4B3F5374A63CFEF3F78EFD687725" author="van der Plaats-Niterink, A. J." box="[327,654,2058,2084]" pageId="5" pageNumber="268" pagination="1 - 242" refId="ref6791" refString="van der Plaats-Niterink, A. J. (1981) Monograph of the genus Pythium. Studies in Mycology 21: 1 - 242." type="journal article" year="1981">van der Plaats-Niterink 1981</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |