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<document id="553D5908111F63DB157674220C304211" ID-DOI="10.5852/ejt.2020.620" ID-GBIF-Dataset="e9d0cf7c-5b10-45ba-bee8-65c72f631afb" ID-Zenodo-Dep="3750231" ID-ZooBank="0CAB7F16-8242-4A64-AAE2-A4E504FBD103" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1586808163301" checkinUser="valdenar" docAuthor="Mathews, Patrick D., Madrid, Rafael R. M., Mertins, Omar, Rigoni, Vera L. S. &amp; Morandini, André C." docDate="2020" docId="03FE00516761FFF8FDF8049BFDB3FD30" docLanguage="en" docName="ejt-620_mathews_madrid_mertins.pdf.imf" docOrigin="European Journal of Taxonomy 620" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Myxobolus adrianoi Mathews &amp; Madrid &amp; Mertins &amp; Rigoni &amp; Morandini 2020, sp. nov" docType="treatment" docUuid="9FF87134-46B5-47AD-98FE-B97E6F913645" docUuidSource="ZooBank" docVersion="7" lastPageNumber="6" masterDocId="FFC778296762FFFDFF8A001CFF8BFFB6" masterDocTitle="A new Myxobolus (Cnidaria: Myxosporea) infecting the ornamental catfish Corydoras schwartzi from the Purus River in Brazil" masterLastPageNumber="14" masterPageNumber="1" pageNumber="4" updateTime="1698833732943" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="C790E059F3A6BC3C487C3CC51E855831">A new Myxobolus (Cnidaria: Myxosporea) infecting the ornamental catfish Corydoras schwartzi from the Purus River in Brazil</mods:title>
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<mods:namePart id="5BD70D9153D2738425F0498A39CD32F1">Mathews, Patrick D.</mods:namePart>
<mods:nameIdentifier id="D2161666279A3D33287F44507999F666" type="LSID">4C8F5661-BF0C-4DC8-9717-F7ACB2610960</mods:nameIdentifier>
<mods:affiliation id="09B993532F09247AB3DE1473D4B9CBE4">Department of Biophysics, Paulista Medical School, Federal University of São Paulo, 04023 - 062 São Paulo, Brazil. Department of Zoology, Institute of Biosciences, University of São Paulo, 05508 - 090 São Paulo, Brazil. Marine Biology Center (CEBIMar), University of São Paulo, 11600 - 000 São Sebastião, Brazil.</mods:affiliation>
<mods:nameIdentifier id="C2C944B9463FE8385069055474858E99" type="email">patrickmathews83@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name id="B3C6F66689B3D05BF6A5017EA15C2DFB" type="personal">
<mods:role id="DC5C9E1CCC343F3A3D01E14C972F7336">
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<mods:namePart id="DEC2C7D031A796288A309C8D52F57D5E">Madrid, Rafael R. M.</mods:namePart>
<mods:nameIdentifier id="B20B29D495AFC0D456C4C6039F7D39D4" type="LSID">4932ACBF-4249-463A-9A26-3C00C756FE59</mods:nameIdentifier>
<mods:affiliation id="5FF616FF76FE95F326B1AB4F28161F82">Department of Biophysics, Paulista Medical School, Federal University of São Paulo, 04023 - 062 São Paulo, Brazil. Department of Zoology, Institute of Biosciences, University of São Paulo, 05508 - 090 São Paulo, Brazil. Marine Biology Center (CEBIMar), University of São Paulo, 11600 - 000 São Sebastião, Brazil.</mods:affiliation>
<mods:nameIdentifier id="8C87BDBCE51D7AC2759A25B05373577A" type="email">rmadrid@unicolmayor.edu.co</mods:nameIdentifier>
</mods:name>
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<mods:role id="D10895463497BA4E094FC14865B4089C">
<mods:roleTerm id="C36770A3E7E1779DADAD152066B2DC87">Author</mods:roleTerm>
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<mods:namePart id="1D514D0B65E157A3E3E18861B5EC28AD">Mertins, Omar</mods:namePart>
<mods:nameIdentifier id="5FC1FD1854A6695B2CB87552C7669455" type="LSID">4B10B638-55B2-4682-B159-1EC148846774</mods:nameIdentifier>
<mods:affiliation id="082E07E67599CA0F991B0CB7D74246D4">Department of Biophysics, Paulista Medical School, Federal University of São Paulo, 04023 - 062 São Paulo, Brazil. Department of Zoology, Institute of Biosciences, University of São Paulo, 05508 - 090 São Paulo, Brazil. Marine Biology Center (CEBIMar), University of São Paulo, 11600 - 000 São Sebastião, Brazil.</mods:affiliation>
<mods:nameIdentifier id="5EDE8AD337248071F1EBAA8892D3547A" type="email">mertinso@gmail.com</mods:nameIdentifier>
</mods:name>
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<mods:namePart id="47D1422D5B928E8416731404707C728A">Rigoni, Vera L. S.</mods:namePart>
<mods:nameIdentifier id="F42E6CB0D96FB469EE15B9ACBEE91019" type="LSID">80CE4042-FFAF-4CB9-839E-4751CB12883B</mods:nameIdentifier>
<mods:affiliation id="F9E64C10B9E2A4BE24C90CEB7397A2D9">Department of Biophysics, Paulista Medical School, Federal University of São Paulo, 04023 - 062 São Paulo, Brazil. Department of Zoology, Institute of Biosciences, University of São Paulo, 05508 - 090 São Paulo, Brazil. Marine Biology Center (CEBIMar), University of São Paulo, 11600 - 000 São Sebastião, Brazil.</mods:affiliation>
<mods:nameIdentifier id="E10EB30864DC0BDECBBEF3945C773B08" type="email">vera.jacomino@gmail.com</mods:nameIdentifier>
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<mods:namePart id="D9157E81687283BC5A2796068443AAB6">Morandini, André C.</mods:namePart>
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<mods:nameIdentifier id="8F0F715968AC5E7FF537E855BD7E1484" type="email">acmorand@ib.usp.br</mods:nameIdentifier>
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<mods:title id="10357E19B4E24045AC779EFF12C34A9A">European Journal of Taxonomy</mods:title>
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<mods:date id="E880526EA505334E52921A6D201F62E7">2020</mods:date>
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<mods:number id="1A4F96F09E1570D51E52A52C89A18BDC">2020-03-30</mods:number>
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<mods:number id="65FFAF00CA216661527419D6986AF4D3">620</mods:number>
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<mods:start id="1B6740689CAFD5E23493CA796A75F844">1</mods:start>
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<mods:identifier id="C450F01B1CD3E06CD873DEC32AE3550F" type="DOI">10.5852/ejt.2020.620</mods:identifier>
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<treatment id="03FE00516761FFF8FDF8049BFDB3FD30" ID-DOI="http://doi.org/10.5281/zenodo.3808811" ID-GBIF-Taxon="163609903" ID-Zenodo-Dep="3808811" LSID="urn:lsid:zoobank.org:act:9FF87134-46B5-47AD-98FE-B97E6F913645" httpUri="http://treatment.plazi.org/id/03FE00516761FFF8FDF8049BFDB3FD30" lastPageId="5" lastPageNumber="6" pageId="3" pageNumber="4">
<subSubSection id="C34DE2CC6761FFFEFDF8049BFC4AFB14" box="[626,961,1159,1186]" pageId="3" pageNumber="4" type="nomenclature">
<paragraph id="8BE8B1476761FFFEFDF8049BFC4AFB14" blockId="3.[375,1212,1159,1256]" box="[626,961,1159,1186]" pageId="3" pageNumber="4">
<heading id="D0A0062B6761FFFEFDF8049BFC35FB14" box="[626,958,1159,1186]" level="2" pageId="3" pageNumber="4">
<taxonomicName id="4C57CAC46761FFFEFDF8049BFCD4FB17" authority="Mathews &amp; Madrid &amp; Mertins &amp; Rigoni &amp; Morandini, 2020" authorityName="Mathews &amp; Madrid &amp; Mertins &amp; Rigoni &amp; Morandini" authorityYear="2020" box="[626,863,1159,1185]" class="Myxosporea" family="Myxobolidae" genus="Myxobolus" kingdom="Animalia" order="Bivalvulida" pageId="3" pageNumber="4" phylum="Myxozoa" rank="species" species="adrianoi" status="sp. nov.">
<emphasis id="B9236D556761FFFEFDF8049BFCD4FB17" box="[626,863,1159,1185]" italics="true" pageId="3" pageNumber="4">Myxobolus adrianoi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A210D02E6761FFFEFCED0494FC35FB14" box="[871,958,1160,1186]" pageId="3" pageNumber="4" rank="species">sp. nov</taxonomicNameLabel>
</heading>
.
</paragraph>
</subSubSection>
<subSubSection id="C34DE2CC6761FFFEFEFD04B6FCC7FB5E" pageId="3" pageNumber="4" type="description">
<paragraph id="8BE8B1476761FFFEFEFD04B6FB37FB73" blockId="3.[375,1212,1159,1256]" box="[375,1212,1194,1221]" pageId="3" pageNumber="4">
<uri id="FFC6BD456761FFFEFEFD04B6FB37FB73" box="[375,1212,1194,1221]" pageId="3" pageNumber="4">
urn:lsid:zoobank.org:act:
<uuid id="FFF18B926761FFFEFD1E04B6FB37FB73" box="[660,1212,1194,1221]" pageId="3" pageNumber="4">9FF87134-46B5-47AD-98FE-B97E6F913645</uuid>
</uri>
</paragraph>
<paragraph id="8BE8B1476761FFFEFD6D04D2FCC7FB5E" blockId="3.[375,1212,1159,1256]" box="[743,844,1230,1256]" pageId="3" pageNumber="4">
<figureCitation id="136CADC26761FFFEFD6D04D2FCC7FB5E" box="[743,844,1230,1256]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStart-3="Fig" captionStartId-0="2.[189,232,1929,1955]" captionStartId-1="4.[189,232,1859,1885]" captionStartId-2="5.[189,232,1964,1990]" captionStartId-3="7.[189,232,1543,1569]" captionTargetBox-0="[339,1248,268,1898]" captionTargetBox-1="[237,1353,486,1822]" captionTargetBox-2="[412,1171,1056,1927]" captionTargetId-0="figure@2.[336,1251,265,1901]" captionTargetId-1="figure@4.[235,1353,480,1829]" captionTargetId-2="figure@5.[406,1181,1043,1937]" captionTargetId-3="figure@8.[210,1378,263,2017]" captionTargetPageId-0="2" captionTargetPageId-1="4" captionTargetPageId-2="5" captionTargetPageId-3="8" captionText-0="Fig. 1. Corydoras schwartzi Rössel, 1963 infected by Myxobolus adrianoi sp. nov. A. Sampled fish captured in the Purus River near Lábrea Municipality, Amazonas State, Brazil. B. Histological sections of the fish intestine showing large cyst in the serosa layer (black arrow)." captionText-1="Fig. 2. Light photomicrograph of mature myxospores of Myxobolus adrianoi sp. nov., parasite of the intestine of Corydoras schwartzi Rössel, 1963. A. Wet-mount mature myxospores (white arrows). B–C. Frontal view of mature myxospores stained in May-Grünwald-Giemsa, showing two equal polar aubergine-like capsules, occupying more than half the length of the myxospore. D. Mature myxospore stained, in frontal view, with the polar filament extruded (black arrow)." captionText-2="Fig. 3. Schematic representation of the mature myxospore Myxobolus adrianoi sp. nov., parasite of intestine of the Corydoras schwartzi Rössel, 1963. Scale bar: 10 μm." captionText-3="Fig. 4 (next page). Electron micrographs of myxospores of Myxobolus adrianoi sp. nov., parasite of the intestine of Corydoras schwartzi Rössel, 1963. A. Young sporoblast showing polar filament still out of the polar capsules, abundant valve-forming material, conspicuous sutural line (large white arrow), some sporoplasmosomes (small white arrows), mitochondria and presence of pinocytic channels (white arrowheads) in the ectoplasm. B–C. Sporoblast in advanced developmental stage with polar filament (white arrows) inside the polar capsule. In B note several sporoplasmosomes (white arrows) and two nuclei at sporoplasms. In Cobserve presence of valve-formingmaterial (short white arrows),capsulogenic cell, nuclei at sporoplasm and nucleus of capsulogenic cell. D. Immature myxospore showing valvogenic cells abutting each other to form a sutural ridge and showing the two cells are separated by a thin layer of homogenous material (white arrow). E–F. Almost mature myxospores showing sutural lines (black arrows), valve-forming material (*), valves, two nuclei and sporoplasmosomes (white arrows) at sporoplasms. Abbreviations: cp = capsulogenic cell; ec = ectoplasm; mt = mitochondrion; nc = nucleus of capsulogenic cell; Nu = nucleus; pc = polar capsule; PF = polar filament; sp = sporoplasm; v = valvogenic cell/valve; vm = valve-forming material. Scale bars: 2 μm." figureDoi-0="http://doi.org/10.5281/zenodo.3750233" figureDoi-1="http://doi.org/10.5281/zenodo.3750235" figureDoi-2="http://doi.org/10.5281/zenodo.3750237" figureDoi-3="http://doi.org/10.5281/zenodo.3750239" httpUri-0="https://zenodo.org/record/3750233/files/figure.png" httpUri-1="https://zenodo.org/record/3750235/files/figure.png" httpUri-2="https://zenodo.org/record/3750237/files/figure.png" httpUri-3="https://zenodo.org/record/3750239/files/figure.png" pageId="3" pageNumber="4">Figs 1–4</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C34DE2CC6761FFFEFF37050BFE58FA10" pageId="3" pageNumber="4" type="etymology">
<paragraph id="8BE8B1476761FFFEFF37050BFECFFA87" blockId="3.[189,324,1303,1329]" box="[189,324,1303,1329]" pageId="3" pageNumber="4">
<heading id="D0A0062B6761FFFEFF37050BFECFFA87" bold="true" box="[189,324,1303,1329]" fontSize="11" level="3" pageId="3" pageNumber="4" reason="3">
<emphasis id="B9236D556761FFFEFF37050BFECFFA87" bold="true" box="[189,324,1303,1329]" pageId="3" pageNumber="4">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8B1476761FFFEFF370559FE58FA10" blockId="3.[189,1398,1349,1446]" pageId="3" pageNumber="4">
The specific name,
<taxonomicName id="4C57CAC46761FFFEFE200559FD84FAE9" authorityName="Mathews &amp; Madrid &amp; Mertins &amp; Rigoni &amp; Morandini" authorityYear="2020" box="[426,527,1349,1375]" class="Myxosporea" family="Myxobolidae" genus="Myxobolus" kingdom="Animalia" order="Bivalvulida" pageId="3" pageNumber="4" phylum="Myxozoa" rank="species" species="adrianoi">
<emphasis id="B9236D556761FFFEFE200559FD84FAE9" box="[426,527,1349,1375]" italics="true" pageId="3" pageNumber="4">adrianoi</emphasis>
</taxonomicName>
, is in homage to Dr. Edson Adriano, Professor at Federal University of
<collectingRegion id="49937FA56761FFFEFF370575FEB2FA34" box="[189,313,1384,1411]" country="Brazil" name="Sao Paulo" pageId="3" pageNumber="4">São Paulo</collectingRegion>
,
<collectingCountry id="F340F1D76761FFFEFECD0574FE19FA34" box="[327,402,1384,1410]" name="Brazil" pageId="3" pageNumber="4">Brazil</collectingCountry>
, who has been contributing to improving our knowledge on the diversity of South American
<taxonomicName id="4C57CAC46761FFFEFEB20590FE44FA10" authorityName="Butschli" authorityYear="1881" box="[312,463,1420,1446]" class="Myxosporea" kingdom="Animalia" pageId="3" pageNumber="4" phylum="Myxozoa" rank="class">Myxosporea</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C34DE2CC6761FFFEFF3705C9FD2EF9D5" pageId="3" pageNumber="4" type="materials_examined">
<paragraph id="8BE8B1476761FFFEFF3705C9FE21FA59" blockId="3.[189,426,1493,1519]" box="[189,426,1493,1519]" pageId="3" pageNumber="4">
<heading id="D0A0062B6761FFFEFF3705C9FE21FA59" bold="true" box="[189,426,1493,1519]" fontSize="11" level="3" pageId="3" pageNumber="4" reason="3">
<emphasis id="B9236D556761FFFEFF3705C9FE21FA59" bold="true" box="[189,426,1493,1519]" pageId="3" pageNumber="4">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8B1476761FFFEFF60061FFED1F9AB" blockId="3.[189,1398,1539,1636]" box="[234,346,1539,1565]" pageId="3" pageNumber="4">
<materialsCitation id="3B3FBB1A6761FFFEFF60061FFED1F9AB" ID-GBIF-Occurrence="4433184301" box="[234,346,1539,1565]" collectionCode="MZUSP" country="Brazil" latitude="-7.2588887" location="Labrea Municipality" longLatPrecision="21" longitude="-64.797775" municipality="Labrea Municipality" pageId="3" pageNumber="4" specimenCode="8469" specimenCount="10" stateProvince="Amazonas State" typeStatus="syntype">
<emphasis id="B9236D556761FFFEFF60061FFED1F9AB" bold="true" box="[234,346,1539,1565]" pageId="3" pageNumber="4">
<typeStatus id="54EC0FE56761FFFEFF60061FFED1F9AB" box="[234,346,1539,1565]" pageId="3" pageNumber="4" type="syntype">Syntypes</typeStatus>
</emphasis>
</materialsCitation>
</paragraph>
<paragraph id="8BE8B1476761FFFEFF37063BFD2EF9D5" blockId="3.[189,1398,1539,1636]" pageId="3" pageNumber="4">
<collectingCountry id="F340F1D76761FFFEFF37063BFEADF9F7" box="[189,294,1575,1601]" name="Brazil" pageId="3" pageNumber="4">BRAZIL</collectingCountry>
•
<specimenCount id="9D517ACE6761FFFEFEB5063AFD8DF9F7" box="[319,518,1574,1601]" pageId="3" pageNumber="4">10+ myxospores</specimenCount>
;
<collectingRegion id="49937FA56761FFFEFD9A063BFD5AF9F6" box="[528,721,1574,1601]" country="Brazil" name="Amazonas" pageId="3" pageNumber="4">Amazonas State</collectingRegion>
,
<collectingMunicipality id="6B8C2B3D6761FFFEFD57063AFC5BF9F6" box="[733,976,1574,1600]" pageId="3" pageNumber="4">Lábrea Municipality</collectingMunicipality>
;
<geoCoordinate id="EE63D7806761FFFEFC560638FBD5F9F6" box="[988,1118,1572,1600]" degrees="7" direction="south" minutes="15" orientation="latitude" pageId="3" pageNumber="4" precision="15" seconds="32" value="-7.2588887">7°15′32″ S</geoCoordinate>
,
<geoCoordinate id="EE63D7806761FFFEFBE10638FA8DF9F7" box="[1131,1286,1572,1601]" degrees="64" direction="west" minutes="47" orientation="longitude" pageId="3" pageNumber="4" precision="15" seconds="52" value="-64.797775">64°47′52″ W</geoCoordinate>
; air-dried slide stained with Giemsa;
<collectionCode id="ED4629826761FFFEFE710656FDD7F9D2" box="[507,604,1610,1636]" collectionName="MZUSP" pageId="3" pageNumber="4">MZUSP</collectionCode>
<specimenCode id="DBF1193C6761FFFEFDE90655FD2AF9D5" box="[611,673,1609,1635]" pageId="3" pageNumber="4">8469</specimenCode>
.
</paragraph>
</subSubSection>
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<heading id="D0A0062B6761FFFEFF37068FFEBDF91B" bold="true" box="[189,310,1683,1709]" fontSize="11" level="3" pageId="3" pageNumber="4" reason="3">
<emphasis id="B9236D556761FFFEFF37068FFEBDF91B" bold="true" box="[189,310,1683,1709]" pageId="3" pageNumber="4">
<typeStatus id="54EC0FE56761FFFEFF37068FFF71F91B" box="[189,250,1683,1709]" pageId="3" pageNumber="4">Type</typeStatus>
host
</emphasis>
</heading>
</paragraph>
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<subSubSection id="C34DE2CC6761FFFEFF3706DDFC4AF96A" box="[189,961,1729,1756]" pageId="3" pageNumber="4" type="reference_group">
<paragraph id="8BE8B1476761FFFEFF3706DDFC4AF96A" blockId="3.[189,961,1729,1756]" box="[189,961,1729,1756]" pageId="3" pageNumber="4">
<taxonomicName id="4C57CAC46761FFFEFF3706DDFDD9F96D" ID-CoL="YPZY" authority="Rossel, 1963" authorityName="Rossel" authorityYear="1963" box="[189,594,1729,1755]" class="Actinopterygii" family="Callichthyidae" genus="Corydoras" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="schwartzi">
<emphasis id="B9236D556761FFFEFF3706DDFE39F96D" box="[189,434,1729,1755]" italics="true" pageId="3" pageNumber="4">Corydoras schwartzi</emphasis>
Rössel, 1963
</taxonomicName>
(
<taxonomicName id="4C57CAC46761FFFEFDEA06DDFD72F96D" ID-CoL="6236K" box="[608,761,1729,1755]" class="Actinopterygii" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="4" phylum="Chordata" rank="order">Siluriformes</taxonomicName>
:
<taxonomicName id="4C57CAC46761FFFEFC8E06DDFC3EF96A" ID-CoL="7K8" authorityName="Bonaparte" authorityYear="1838" box="[772,949,1729,1756]" class="Actinopterygii" family="Callichthyidae" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="4" phylum="Chordata" rank="family">Callichthyidae</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection id="C34DE2CC6761FFF8FF370716FDB3FD30" lastPageId="5" lastPageNumber="6" pageId="3" pageNumber="4" type="description">
<paragraph id="8BE8B1476761FFFEFF370716FE0BF892" blockId="3.[189,384,1802,1828]" box="[189,384,1802,1828]" pageId="3" pageNumber="4">
<heading id="D0A0062B6761FFFEFF370716FE0BF892" bold="true" box="[189,384,1802,1828]" fontSize="11" level="3" pageId="3" pageNumber="4" reason="3">
<emphasis id="B9236D556761FFFEFF370716FE0BF892" bold="true" box="[189,384,1802,1828]" pageId="3" pageNumber="4">Site of infection</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8B1476761FFFEFF370725FE6BF8E5" blockId="3.[189,480,1849,1875]" box="[189,480,1849,1875]" pageId="3" pageNumber="4">Serosa layer of intestine.</paragraph>
<paragraph id="8BE8B1476761FFFEFF37079EFECEF82A" blockId="3.[189,325,1922,1948]" box="[189,325,1922,1948]" pageId="3" pageNumber="4">
<heading id="D0A0062B6761FFFEFF37079EFECEF82A" bold="true" box="[189,325,1922,1948]" fontSize="11" level="3" pageId="3" pageNumber="4" reason="3">
<emphasis id="B9236D556761FFFEFF37079EFECEF82A" bold="true" box="[189,325,1922,1948]" pageId="3" pageNumber="4">Prevalence</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8B1476761FFFEFF3707ADFC90F87D" blockId="3.[189,795,1968,1995]" box="[189,795,1968,1995]" pageId="3" pageNumber="4">From 30 examined fish, five were infected (16.6%).</paragraph>
<paragraph id="8BE8B1476766FFF9FF370117FEC5FE93" blockId="4.[189,334,267,293]" box="[189,334,267,293]" pageId="4" pageNumber="5">
<heading id="D0A0062B6766FFF9FF370117FEC5FE93" bold="true" box="[189,334,267,293]" fontSize="11" level="3" pageId="4" pageNumber="5" reason="3">
<emphasis id="B9236D556766FFF9FF370117FEC5FE93" bold="true" box="[189,334,267,293]" pageId="4" pageNumber="5">Description</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8B1476766FFF9FF370126FE4AFE0B" blockId="4.[189,1399,313,445]" pageId="4" pageNumber="5">
Mature myxospores ovoid in body shape in frontal view, showing two aubergine-shaped, elongate symmetrical polar capsules occupying more than half length of spore. Total myxospore length 22.4 ± 0.3 μm and width 16.3 ± 0.1 μm. Two polar capsules, 14.3 ± 0.2 μm in length and 6.5 ±0.1 μm in width (
<figureCitation id="136CADC26766FFF9FE8501BFFED2FE0B" box="[271,345,419,445]" captionStart="Fig" captionStartId="4.[189,232,1859,1885]" captionTargetBox="[237,1353,486,1822]" captionTargetId="figure@4.[235,1353,480,1829]" captionTargetPageId="4" captionText="Fig. 2. Light photomicrograph of mature myxospores of Myxobolus adrianoi sp. nov., parasite of the intestine of Corydoras schwartzi Rössel, 1963. A. Wet-mount mature myxospores (white arrows). B–C. Frontal view of mature myxospores stained in May-Grünwald-Giemsa, showing two equal polar aubergine-like capsules, occupying more than half the length of the myxospore. D. Mature myxospore stained, in frontal view, with the polar filament extruded (black arrow)." figureDoi="http://doi.org/10.5281/zenodo.3750235" httpUri="https://zenodo.org/record/3750235/files/figure.png" pageId="4" pageNumber="5">Figs 2</figureCitation>
A–D, 3).
</paragraph>
<caption id="DF28E1CF6766FFF9FF37075FFC75F85C" ID-DOI="http://doi.org/10.5281/zenodo.3750235" ID-Zenodo-Dep="3750235" httpUri="https://zenodo.org/record/3750235/files/figure.png" pageId="4" pageNumber="5" startId="4.[189,232,1859,1885]" targetBox="[237,1353,486,1822]" targetPageId="4">
<paragraph id="8BE8B1476766FFF9FF37075FFC75F85C" blockId="4.[189,1399,1859,2026]" pageId="4" pageNumber="5">
<emphasis id="B9236D556766FFF9FF37075FFE87F8EB" bold="true" box="[189,268,1859,1885]" pageId="4" pageNumber="5">Fig. 2.</emphasis>
Light photomicrograph of mature myxospores of
<heading id="D0A0062B6766FFF9FCED075FFB31F8EB" box="[871,1210,1859,1885]" pageId="4" pageNumber="5">
<taxonomicName id="4C57CAC46766FFF9FCED075FFBDDF8EB" authority="Mathews &amp; Madrid &amp; Mertins &amp; Rigoni &amp; Morandini, 2020" authorityName="Mathews &amp; Madrid &amp; Mertins &amp; Rigoni &amp; Morandini" authorityYear="2020" box="[871,1110,1859,1885]" class="Myxosporea" family="Myxobolidae" genus="Myxobolus" kingdom="Animalia" order="Bivalvulida" pageId="4" pageNumber="5" phylum="Myxozoa" rank="species" species="adrianoi" status="sp. nov.">
<emphasis id="B9236D556766FFF9FCED075FFBDDF8EB" box="[871,1110,1859,1885]" italics="true" pageId="4" pageNumber="5">Myxobolus adrianoi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A210D02E6766FFF9FBEA075FFB31F8EB" box="[1120,1210,1859,1885]" pageId="4" pageNumber="5" rank="species">sp. nov</taxonomicNameLabel>
</heading>
., parasite of the intestine of
<taxonomicName id="4C57CAC46766FFF9FED9077AFD70F836" authority="Rossel, 1963" authorityName="Rossel" authorityYear="1963" box="[339,763,1894,1920]" class="Actinopterygii" family="Callichthyidae" genus="Corydoras" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="schwartzi">
<emphasis id="B9236D556766FFF9FED9077AFDC6F836" box="[339,589,1894,1920]" italics="true" pageId="4" pageNumber="5">Corydoras schwartzi</emphasis>
Rössel, 1963
</taxonomicName>
.
<emphasis id="B9236D556766FFF9FC86077AFCAAF836" bold="true" box="[780,801,1894,1920]" pageId="4" pageNumber="5">A</emphasis>
. Wet-mount mature myxospores (white arrows).
<emphasis id="B9236D556766FFF9FF370795FF7FF815" bold="true" box="[189,244,1929,1955]" pageId="4" pageNumber="5">B–C</emphasis>
. Frontal view of mature myxospores stained in May-Grünwald-Giemsa, showing two equal polar aubergine-like capsules, occupying more than half the length of the myxospore.
<emphasis id="B9236D556766FFF9FBF907B1FB03F871" bold="true" box="[1139,1160,1965,1991]" pageId="4" pageNumber="5">D</emphasis>
. Mature myxospore stained, in frontal view, with the polar filament extruded (black arrow).
</paragraph>
</caption>
<paragraph id="8BE8B1476767FFF8FF370117FDB3FD30" blockId="5.[189,1399,267,646]" pageId="5" pageNumber="6">
Ultrastructural analysis showed myxospores in various stages of development. In young developmental myxospore stage, the polar filament could still be observed out of the polar capsules and valvogenic cells were readily recognized by valve-forming materials (
<figureCitation id="136CADC26767FFF8FCE1014EFC41FEDA" box="[875,970,338,364]" captionStart="Fig" captionStartId="7.[189,232,1543,1569]" captionTargetId="figure@8.[210,1378,263,2017]" captionTargetPageId="8" captionText="Fig. 4 (next page). Electron micrographs of myxospores of Myxobolus adrianoi sp. nov., parasite of the intestine of Corydoras schwartzi Rössel, 1963. A. Young sporoblast showing polar filament still out of the polar capsules, abundant valve-forming material, conspicuous sutural line (large white arrow), some sporoplasmosomes (small white arrows), mitochondria and presence of pinocytic channels (white arrowheads) in the ectoplasm. B–C. Sporoblast in advanced developmental stage with polar filament (white arrows) inside the polar capsule. In B note several sporoplasmosomes (white arrows) and two nuclei at sporoplasms. In Cobserve presence of valve-formingmaterial (short white arrows),capsulogenic cell, nuclei at sporoplasm and nucleus of capsulogenic cell. D. Immature myxospore showing valvogenic cells abutting each other to form a sutural ridge and showing the two cells are separated by a thin layer of homogenous material (white arrow). E–F. Almost mature myxospores showing sutural lines (black arrows), valve-forming material (*), valves, two nuclei and sporoplasmosomes (white arrows) at sporoplasms. Abbreviations: cp = capsulogenic cell; ec = ectoplasm; mt = mitochondrion; nc = nucleus of capsulogenic cell; Nu = nucleus; pc = polar capsule; PF = polar filament; sp = sporoplasm; v = valvogenic cell/valve; vm = valve-forming material. Scale bars: 2 μm." figureDoi="http://doi.org/10.5281/zenodo.3750239" httpUri="https://zenodo.org/record/3750239/files/figure.png" pageId="5" pageNumber="6">Fig. 4A</figureCitation>
). In myxospores at a more advanced developmental stage, a polar filament inside the polar capsule and binucleated sporoplasms containing a moderate number of sporoplasmosomes were observed (
<figureCitation id="136CADC26767FFF8FCF20184FC4BFE04" box="[888,960,408,434]" captionStart="Fig" captionStartId="7.[189,232,1543,1569]" captionTargetId="figure@8.[210,1378,263,2017]" captionTargetPageId="8" captionText="Fig. 4 (next page). Electron micrographs of myxospores of Myxobolus adrianoi sp. nov., parasite of the intestine of Corydoras schwartzi Rössel, 1963. A. Young sporoblast showing polar filament still out of the polar capsules, abundant valve-forming material, conspicuous sutural line (large white arrow), some sporoplasmosomes (small white arrows), mitochondria and presence of pinocytic channels (white arrowheads) in the ectoplasm. B–C. Sporoblast in advanced developmental stage with polar filament (white arrows) inside the polar capsule. In B note several sporoplasmosomes (white arrows) and two nuclei at sporoplasms. In Cobserve presence of valve-formingmaterial (short white arrows),capsulogenic cell, nuclei at sporoplasm and nucleus of capsulogenic cell. D. Immature myxospore showing valvogenic cells abutting each other to form a sutural ridge and showing the two cells are separated by a thin layer of homogenous material (white arrow). E–F. Almost mature myxospores showing sutural lines (black arrows), valve-forming material (*), valves, two nuclei and sporoplasmosomes (white arrows) at sporoplasms. Abbreviations: cp = capsulogenic cell; ec = ectoplasm; mt = mitochondrion; nc = nucleus of capsulogenic cell; Nu = nucleus; pc = polar capsule; PF = polar filament; sp = sporoplasm; v = valvogenic cell/valve; vm = valve-forming material. Scale bars: 2 μm." figureDoi="http://doi.org/10.5281/zenodo.3750239" httpUri="https://zenodo.org/record/3750239/files/figure.png" pageId="5" pageNumber="6">Fig. 4</figureCitation>
B–C). Transverse sections of a polar capsule provided evidence of a polar filament with five coils (
<figureCitation id="136CADC26767FFF8FC5901A7FB95FE60" box="[979,1054,443,470]" captionStart="Fig" captionStartId="7.[189,232,1543,1569]" captionTargetId="figure@8.[210,1378,263,2017]" captionTargetPageId="8" captionText="Fig. 4 (next page). Electron micrographs of myxospores of Myxobolus adrianoi sp. nov., parasite of the intestine of Corydoras schwartzi Rössel, 1963. A. Young sporoblast showing polar filament still out of the polar capsules, abundant valve-forming material, conspicuous sutural line (large white arrow), some sporoplasmosomes (small white arrows), mitochondria and presence of pinocytic channels (white arrowheads) in the ectoplasm. B–C. Sporoblast in advanced developmental stage with polar filament (white arrows) inside the polar capsule. In B note several sporoplasmosomes (white arrows) and two nuclei at sporoplasms. In Cobserve presence of valve-formingmaterial (short white arrows),capsulogenic cell, nuclei at sporoplasm and nucleus of capsulogenic cell. D. Immature myxospore showing valvogenic cells abutting each other to form a sutural ridge and showing the two cells are separated by a thin layer of homogenous material (white arrow). E–F. Almost mature myxospores showing sutural lines (black arrows), valve-forming material (*), valves, two nuclei and sporoplasmosomes (white arrows) at sporoplasms. Abbreviations: cp = capsulogenic cell; ec = ectoplasm; mt = mitochondrion; nc = nucleus of capsulogenic cell; Nu = nucleus; pc = polar capsule; PF = polar filament; sp = sporoplasm; v = valvogenic cell/valve; vm = valve-forming material. Scale bars: 2 μm." figureDoi="http://doi.org/10.5281/zenodo.3750239" httpUri="https://zenodo.org/record/3750239/files/figure.png" pageId="5" pageNumber="6">Fig. 4</figureCitation>
B–C). Sections of immature myxospores show the valvogenic cells abutting each other to form a sutural ridge, and frequently the two cells were separated by a thin layer of homogenous material (
<figureCitation id="136CADC26767FFF8FC4B021EFBABFDAA" box="[961,1056,514,540]" captionStart="Fig" captionStartId="7.[189,232,1543,1569]" captionTargetId="figure@8.[210,1378,263,2017]" captionTargetPageId="8" captionText="Fig. 4 (next page). Electron micrographs of myxospores of Myxobolus adrianoi sp. nov., parasite of the intestine of Corydoras schwartzi Rössel, 1963. A. Young sporoblast showing polar filament still out of the polar capsules, abundant valve-forming material, conspicuous sutural line (large white arrow), some sporoplasmosomes (small white arrows), mitochondria and presence of pinocytic channels (white arrowheads) in the ectoplasm. B–C. Sporoblast in advanced developmental stage with polar filament (white arrows) inside the polar capsule. In B note several sporoplasmosomes (white arrows) and two nuclei at sporoplasms. In Cobserve presence of valve-formingmaterial (short white arrows),capsulogenic cell, nuclei at sporoplasm and nucleus of capsulogenic cell. D. Immature myxospore showing valvogenic cells abutting each other to form a sutural ridge and showing the two cells are separated by a thin layer of homogenous material (white arrow). E–F. Almost mature myxospores showing sutural lines (black arrows), valve-forming material (*), valves, two nuclei and sporoplasmosomes (white arrows) at sporoplasms. Abbreviations: cp = capsulogenic cell; ec = ectoplasm; mt = mitochondrion; nc = nucleus of capsulogenic cell; Nu = nucleus; pc = polar capsule; PF = polar filament; sp = sporoplasm; v = valvogenic cell/valve; vm = valve-forming material. Scale bars: 2 μm." figureDoi="http://doi.org/10.5281/zenodo.3750239" httpUri="https://zenodo.org/record/3750239/files/figure.png" pageId="5" pageNumber="6">Fig. 4D</figureCitation>
). Almost mature myxospores showed sutural lines, valve-forming material, valves, two nuclei and sporoplasmosomes at sporoplasms (
<figureCitation id="136CADC26767FFF8FF4C0254FE87FDD4" box="[198,268,584,610]" captionStart="Fig" captionStartId="7.[189,232,1543,1569]" captionTargetId="figure@8.[210,1378,263,2017]" captionTargetPageId="8" captionText="Fig. 4 (next page). Electron micrographs of myxospores of Myxobolus adrianoi sp. nov., parasite of the intestine of Corydoras schwartzi Rössel, 1963. A. Young sporoblast showing polar filament still out of the polar capsules, abundant valve-forming material, conspicuous sutural line (large white arrow), some sporoplasmosomes (small white arrows), mitochondria and presence of pinocytic channels (white arrowheads) in the ectoplasm. B–C. Sporoblast in advanced developmental stage with polar filament (white arrows) inside the polar capsule. In B note several sporoplasmosomes (white arrows) and two nuclei at sporoplasms. In Cobserve presence of valve-formingmaterial (short white arrows),capsulogenic cell, nuclei at sporoplasm and nucleus of capsulogenic cell. D. Immature myxospore showing valvogenic cells abutting each other to form a sutural ridge and showing the two cells are separated by a thin layer of homogenous material (white arrow). E–F. Almost mature myxospores showing sutural lines (black arrows), valve-forming material (*), valves, two nuclei and sporoplasmosomes (white arrows) at sporoplasms. Abbreviations: cp = capsulogenic cell; ec = ectoplasm; mt = mitochondrion; nc = nucleus of capsulogenic cell; Nu = nucleus; pc = polar capsule; PF = polar filament; sp = sporoplasm; v = valvogenic cell/valve; vm = valve-forming material. Scale bars: 2 μm." figureDoi="http://doi.org/10.5281/zenodo.3750239" httpUri="https://zenodo.org/record/3750239/files/figure.png" pageId="5" pageNumber="6">Fig. 4</figureCitation>
E–F). The outer surface of the myxospore valves was smooth, with no evidence of formation of ridges in the valves (
<figureCitation id="136CADC26767FFF8FE3A0277FE7DFD30" box="[432,502,619,646]" captionStart="Fig" captionStartId="7.[189,232,1543,1569]" captionTargetId="figure@8.[210,1378,263,2017]" captionTargetPageId="8" captionText="Fig. 4 (next page). Electron micrographs of myxospores of Myxobolus adrianoi sp. nov., parasite of the intestine of Corydoras schwartzi Rössel, 1963. A. Young sporoblast showing polar filament still out of the polar capsules, abundant valve-forming material, conspicuous sutural line (large white arrow), some sporoplasmosomes (small white arrows), mitochondria and presence of pinocytic channels (white arrowheads) in the ectoplasm. B–C. Sporoblast in advanced developmental stage with polar filament (white arrows) inside the polar capsule. In B note several sporoplasmosomes (white arrows) and two nuclei at sporoplasms. In Cobserve presence of valve-formingmaterial (short white arrows),capsulogenic cell, nuclei at sporoplasm and nucleus of capsulogenic cell. D. Immature myxospore showing valvogenic cells abutting each other to form a sutural ridge and showing the two cells are separated by a thin layer of homogenous material (white arrow). E–F. Almost mature myxospores showing sutural lines (black arrows), valve-forming material (*), valves, two nuclei and sporoplasmosomes (white arrows) at sporoplasms. Abbreviations: cp = capsulogenic cell; ec = ectoplasm; mt = mitochondrion; nc = nucleus of capsulogenic cell; Nu = nucleus; pc = polar capsule; PF = polar filament; sp = sporoplasm; v = valvogenic cell/valve; vm = valve-forming material. Scale bars: 2 μm." figureDoi="http://doi.org/10.5281/zenodo.3750239" httpUri="https://zenodo.org/record/3750239/files/figure.png" pageId="5" pageNumber="6">Fig. 4</figureCitation>
E–F).
</paragraph>
</subSubSection>
</treatment>
</document>
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