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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.63.46836" ID-GBIF-Dataset="aa88aeb1-af63-44e6-9d0a-8be4d245c854" ID-PMC="PMC7062850" ID-Pensoft-Pub="1314-4049-63-119" ID-Pensoft-UUID="4883853FD1F251EEBFD883FEAFEEB58D" ID-PubMed="32189979" ModsDocID="1314-4049-63-119" checkinTime="1583231401279" checkinUser="pensoft" docAuthor="Bien, Steffen &amp; Damm, Ulrike" docDate="2020" docId="9C4681DB4ABD54C983D42ABCD19AAEBE" docLanguage="en" docName="MycoKeys 63: 119-161" docOrigin="MycoKeys 63" docSource="http://dx.doi.org/10.3897/mycokeys.63.46836" docTitle="Minutiella pruni-avium S. Bien &amp; Damm 2020, sp. nov." docType="treatment" docVersion="4" id="4883853FD1F251EEBFD883FEAFEEB58D" lastPageNumber="119" masterDocId="4883853FD1F251EEBFD883FEAFEEB58D" masterDocTitle="Arboricolonus simplex gen. et sp. nov. and novelties in Cadophora, Minutiella and Proliferodiscus from Prunus wood in Germany" masterLastPageNumber="161" masterPageNumber="119" pageNumber="119" updateTime="1668136386344" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Arboricolonus simplex gen. et sp. nov. and novelties in Cadophora, Minutiella and Proliferodiscus from Prunus wood in Germany</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bien, Steffen</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Damm, Ulrike</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>MycoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2020</mods:date>
<mods:detail type="volume">
<mods:number>63</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>119</mods:start>
<mods:end>161</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/mycokeys.63.46836</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.63.46836</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-4049-63-119</mods:identifier>
<mods:identifier type="Pensoft-UUID">4883853FD1F251EEBFD883FEAFEEB58D</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="162381255" LSID="urn:lsid:plazi:treatment:9C4681DB4ABD54C983D42ABCD19AAEBE" httpUri="http://treatment.plazi.org/id/9C4681DB4ABD54C983D42ABCD19AAEBE" lastPageNumber="119" pageId="0" pageNumber="119">
<subSubSection pageId="0" pageNumber="119" type="nomenclature">
<paragraph pageId="0" pageNumber="119">
<taxonomicName LSID="9C4681DB-4ABD-54C9-83D4-2ABCD19AAEBE" authority="S. Bien &amp; Damm" authorityName="S. Bien &amp; Damm" authorityYear="2020" class="Eurotiomycetes" family="Phaeomoniellaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella pruni-avium" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="pruni-avium" status="sp. nov.">Minutiella pruni-avium S.Bien &amp; Damm</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="119">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Colony surface of analysed strains on OA medium. A Arboricolonus simplex GLMC 459 T B Cadophora africana CBS 120890 T C C. bubakii CBS 198.30 T D C. luteo-olivacea GLMC 1264 E C. novi-eboraci GLMC 1472 F C. obscura CBS 269.33 G C. prunicola CBS 120891 T H C. prunicola GLMC 1633 I C. ramosa GLMC 377 T J Minutiella pruni-avium GLMC 1624 T K Proliferodiscus ingens GLMC 1751 T L Proliferodiscus sp. GLMC 460. Cultures A, J-L after 4 wk. Cultures B-I after 2 wk. Strains with a superscript T are ex-type cultures." figureDoi="10.3897/mycokeys.63.46836.figure5" httpUri="https://binary.pensoft.net/fig/385039" pageId="0" pageNumber="119">Figures 5J</figureCitation>
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Minutiella pruni-avium sp. nov. A, B conidiomata C-F conidiogenous cells lining the inner wall of a conidioma G conidia formed in conidiomata H-K, P-V conidiogenous cells formed on hyphal cells (arrows indicate conidiogenous openings) L-O mother cells W conidia formed on hyphal cells A-G from OA H-W from SNA A, B SM, C-W LM. Scale bars: 200 μm (A applies to B), 5 μm (C applies to D-W)." figureDoi="10.3897/mycokeys.63.46836.figure14" httpUri="https://binary.pensoft.net/fig/385048" pageId="0" pageNumber="119">, 14</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="materials_examined">
<paragraph pageId="0" pageNumber="119">Type.</paragraph>
<paragraph pageId="0" pageNumber="119">
Germany,
<normalizedToken originalValue="Baden-Württemberg">Baden-Wuerttemberg</normalizedToken>
, orchard west of Nussbach,
<geoCoordinate degrees="48" direction="north" minutes="31" orientation="latitude" precision="1" seconds="55.8" value="48.532166">48°31'55.8&quot;N</geoCoordinate>
,
<geoCoordinate degrees="8" direction="east" minutes="00" orientation="longitude" precision="1" seconds="52.4" value="8.014556">8°00'52.4&quot;E</geoCoordinate>
, from brown necrosis in wood of
<taxonomicName class="Magnoliopsida" family="Rosaceae" genus="Prunus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Prunus avium" order="Rosales" pageId="0" pageNumber="119" phylum="Tracheophyta" rank="species" species="avium">
<emphasis italics="true" pageId="0" pageNumber="119">Prunus avium</emphasis>
</taxonomicName>
, 23 Aug 2016, S. Bien leg., GLM-F110704 -
<emphasis bold="true" italics="true" pageId="0" pageNumber="119">holotype</emphasis>
; GLMC 1624 = CBS 145513 = DSM 109150 - culture ex-type.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="etymology">
<paragraph pageId="0" pageNumber="119">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="119">
Name refers to the host species,
<taxonomicName class="Magnoliopsida" family="Rosaceae" genus="Prunus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Prunus avium" order="Rosales" pageId="0" pageNumber="119" phylum="Tracheophyta" rank="species" species="avium">
<emphasis italics="true" pageId="0" pageNumber="119">Prunus avium</emphasis>
</taxonomicName>
.
</paragraph>
<caption doi="10.3897/mycokeys.63.46836.figure14" httpUri="https://binary.pensoft.net/fig/385048" pageId="0" pageNumber="119" start="Figure 14" startId="F14">
<paragraph pageId="0" pageNumber="119">
<emphasis bold="true" pageId="0" pageNumber="119">Figure 14.</emphasis>
<taxonomicName authorityName="S. Bien &amp; Damm" authorityYear="2020" class="Eurotiomycetes" family="Celotheliaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella pruni-avium" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="pruni-avium">
<emphasis italics="true" pageId="0" pageNumber="119">Minutiella pruni-avium</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="119">A, B</emphasis>
conidiomata
<emphasis bold="true" pageId="0" pageNumber="119">C-F</emphasis>
conidiogenous cells lining the inner wall of a conidioma
<emphasis bold="true" pageId="0" pageNumber="119">G</emphasis>
conidia formed in conidiomata
<emphasis bold="true" pageId="0" pageNumber="119">H-K, P-V</emphasis>
conidiogenous cells formed on hyphal cells (arrows indicate conidiogenous openings)
<emphasis bold="true" pageId="0" pageNumber="119">L-O</emphasis>
mother cells
<emphasis bold="true" pageId="0" pageNumber="119">W</emphasis>
conidia formed on hyphal cells
<emphasis bold="true" pageId="0" pageNumber="119">A-G</emphasis>
from OA
<emphasis bold="true" pageId="0" pageNumber="119">H-W</emphasis>
from SNA
<emphasis bold="true" pageId="0" pageNumber="119">A, B</emphasis>
SM,
<emphasis bold="true" pageId="0" pageNumber="119">C-W</emphasis>
LM. Scale bars: 200
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="119">A</emphasis>
applies to
<emphasis bold="true" pageId="0" pageNumber="119">B</emphasis>
), 5
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="119">C</emphasis>
applies to
<emphasis bold="true" pageId="0" pageNumber="119">D-W</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="description">
<paragraph pageId="0" pageNumber="119">Description.</paragraph>
<paragraph pageId="0" pageNumber="119">
<emphasis italics="true" pageId="0" pageNumber="119">Sexual morph</emphasis>
not observed.
<emphasis italics="true" pageId="0" pageNumber="119">Asexual morph on SNA. Vegetative hyphae</emphasis>
hyaline, smooth-walled, septate, branched, 1-3
<normalizedToken originalValue="μm">μm</normalizedToken>
wide, lacking chlamydospores.
<emphasis italics="true" pageId="0" pageNumber="119">Sporulation</emphasis>
abundant, conidia formed directly on hyphal cells, in conidiomata and by microcyclic conidiation.
<emphasis italics="true" pageId="0" pageNumber="119">Conidiophores on hyphae</emphasis>
reduced to conidiogenous cells, conidiogenous loci formed terminally.
<emphasis italics="true" pageId="0" pageNumber="119">Conidiogenous cells</emphasis>
enteroblastic, hyaline, smooth-walled, mostly reduced to mere openings with collarettes formed directly on hyphal cells, discrete phialides rare, navicular, constricted at the base, 5.5-14.5
<normalizedToken originalValue="×">x</normalizedToken>
1.5-2.5
<normalizedToken originalValue="μm">μm</normalizedToken>
; collarettes rarely visible or flaring, &lt;0.5-3
<normalizedToken originalValue="μm">μm</normalizedToken>
long, opening 0.5-1.5
<normalizedToken originalValue="μm">μm</normalizedToken>
, periclinal thickening sometimes visible.
<emphasis italics="true" pageId="0" pageNumber="119">Conidia</emphasis>
aggregated in masses around the hyphae, hyaline, smooth-walled, aseptate, oblong to ellipsoidal, mostly straight, sometimes slightly curved, with both ends rounded, sometimes with a prominent scar on one end, (2.5-)3-5(-6)
<normalizedToken originalValue="×">x</normalizedToken>
1-1.5(-2)
<normalizedToken originalValue="μm">μm</normalizedToken>
, mean
<normalizedToken originalValue="±">+/-</normalizedToken>
SD = 3.9
<normalizedToken originalValue="±">+/-</normalizedToken>
0.9
<normalizedToken originalValue="×">x</normalizedToken>
1.4
<normalizedToken originalValue="±">+/-</normalizedToken>
0.2
<normalizedToken originalValue="μm">μm</normalizedToken>
, L/W ratio= 2.8.
<emphasis italics="true" pageId="0" pageNumber="119">Conidiomata</emphasis>
produced on OA in 2-4 wk; solitary or aggregated, globose to subglobose, unilocular, immersed to superficial, 50-340
<normalizedToken originalValue="μm">μm</normalizedToken>
wide, olivaceous to black, mostly glabrous, sometimes with a few hairs, opening with an irregular rupture.
<emphasis italics="true" pageId="0" pageNumber="119">Conidiophores</emphasis>
reduced to conidiogenous cells.
<emphasis italics="true" pageId="0" pageNumber="119">Conidiogenus cells</emphasis>
enteroblastic, hyaline, smooth-walled, conidiogenous loci formed terminally, discrete phialides, globose to ampulliform or navicular, 3.5-7.5
<normalizedToken originalValue="×">x</normalizedToken>
2-3.5
<normalizedToken originalValue="μm">μm</normalizedToken>
, opening 0.5-1
<normalizedToken originalValue="μm">μm</normalizedToken>
, periclinal thickening sometimes visible.
<emphasis italics="true" pageId="0" pageNumber="119">Conidia</emphasis>
hyaline, smooth-walled, cylindrical to ellipsoidal, sometimes slightly curved, with both ends rounded, (2.5-)3-4.5(-6)
<normalizedToken originalValue="×">x</normalizedToken>
(1-)1.5-2(-3)
<normalizedToken originalValue="μm">μm</normalizedToken>
, mean
<normalizedToken originalValue="±">+/-</normalizedToken>
SD = 3.8
<normalizedToken originalValue="±">+/-</normalizedToken>
0.8
<normalizedToken originalValue="×">x</normalizedToken>
1.7
<normalizedToken originalValue="±">+/-</normalizedToken>
0.4
<normalizedToken originalValue="μm">μm</normalizedToken>
, L/W ratio = 2.2.
<emphasis italics="true" pageId="0" pageNumber="119">Microcyclic conidiation</emphasis>
occurs from minute collarettes at one or both ends of primary conidia that develop into swollen mother cells, often thick-walled, sometimes septate,&gt; 5
<normalizedToken originalValue="μm">μm</normalizedToken>
long, 2-3.5
<normalizedToken originalValue="μm">μm</normalizedToken>
wide.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="description">
<paragraph pageId="0" pageNumber="119">Culture characteristics.</paragraph>
<paragraph pageId="0" pageNumber="119">
<emphasis italics="true" pageId="0" pageNumber="119">Colonies on OA</emphasis>
flat with entire margin, white to saffron, with scattered umber spots due to conidiomata formation, aerial mycelium lacking, spore masses oozing from conidiomata buff, reverse white to buff, 4-8 mm diam. in 2 wk, 6-10 mm diam. in 4 wk.
<emphasis italics="true" pageId="0" pageNumber="119">Colonies on SNA</emphasis>
flat with entire margin, white, lacking aerial mycelium, reverse same colour; &lt;1-2 mm diam. in 2 wk, 6-8 mm diam. in 4 wk.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="notes">
<paragraph pageId="0" pageNumber="119">Notes.</paragraph>
<paragraph pageId="0" pageNumber="119">
Two strains of
<taxonomicName authorityName="S. Bien &amp; Damm" authorityYear="2020" class="Eurotiomycetes" family="Celotheliaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella pruni-avium" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="pruni-avium">
<emphasis italics="true" pageId="0" pageNumber="119">Minutiella pruni-avium</emphasis>
</taxonomicName>
were isolated from wood of
<taxonomicName class="Magnoliopsida" family="Rosaceae" genus="Prunus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Prunus avium" order="Rosales" pageId="0" pageNumber="119" phylum="Tracheophyta" rank="species" species="avium">
<emphasis italics="true" pageId="0" pageNumber="119">Prunus avium</emphasis>
</taxonomicName>
. The LSU sequences of these strains differ in three and one nucleotides from those of
<taxonomicName lsidName="M. tardicola" pageId="0" pageNumber="119" rank="species" species="tardicola">
<emphasis italics="true" pageId="0" pageNumber="119">M. tardicola</emphasis>
</taxonomicName>
and
<taxonomicName authorityName="Crous" authorityYear="2015" class="Eurotiomycetes" family="Celotheliaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Minutiella</emphasis>
</taxonomicName>
sp., respectively. The ITS region shows 11 differences to
<taxonomicName lsidName="M. tardicola" pageId="0" pageNumber="119" rank="species" species="tardicola">
<emphasis italics="true" pageId="0" pageNumber="119">M. tardicola</emphasis>
</taxonomicName>
and 9 differences to
<taxonomicName authorityName="Crous" authorityYear="2015" class="Eurotiomycetes" family="Celotheliaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Minutiella</emphasis>
</taxonomicName>
sp. The
<emphasis italics="true" pageId="0" pageNumber="119">TUB</emphasis>
sequence of
<taxonomicName lsidName="M. tardicola" pageId="0" pageNumber="119" rank="species" species="tardicola">
<emphasis italics="true" pageId="0" pageNumber="119">M. tardicola</emphasis>
</taxonomicName>
and
<taxonomicName authorityName="Crous" authorityYear="2015" class="Eurotiomycetes" family="Celotheliaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Minutiella</emphasis>
</taxonomicName>
sp. differ in one nucleotide, however, in 35 and 33 nucleotides compared to
<taxonomicName lsidName="M. pruni-avium" pageId="0" pageNumber="119" rank="species" species="pruni-avium">
<emphasis italics="true" pageId="0" pageNumber="119">M. pruni-avium</emphasis>
</taxonomicName>
.
<taxonomicName authorityName="S. Bien &amp; Damm" authorityYear="2020" class="Eurotiomycetes" family="Celotheliaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella pruni-avium" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="pruni-avium">
<emphasis italics="true" pageId="0" pageNumber="119">Minutiella pruni-avium</emphasis>
</taxonomicName>
differs from
<taxonomicName authorityName="Crous" authorityYear="2015" baseAuthorityName="Damm &amp; Crous" class="Eurotiomycetes" family="Celotheliaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella tardicola" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="tardicola">
<emphasis italics="true" pageId="0" pageNumber="119">Minutiella tardicola</emphasis>
</taxonomicName>
and the strains of
<taxonomicName authorityName="Crous" authorityYear="2015" class="Eurotiomycetes" family="Celotheliaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="119">Minutiella</emphasis>
</taxonomicName>
sp. by forming larger conidiomata, longer discrete phialides and flaring collarettes of up to 3
<normalizedToken originalValue="μm">μm</normalizedToken>
.
</paragraph>
<paragraph pageId="0" pageNumber="119">
The closest match in a blastn search with the ITS sequence of strain GLMC 1624 is the type strain of
<taxonomicName authorityName="Crous" authorityYear="2015" baseAuthorityName="Damm &amp; Crous" class="Eurotiomycetes" family="Celotheliaceae" genus="Minutiella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Minutiella tardicola" order="Phaeomoniellales" pageId="0" pageNumber="119" phylum="Ascomycota" rank="species" species="tardicola">
<emphasis italics="true" pageId="0" pageNumber="119">Minutiella tardicola</emphasis>
</taxonomicName>
CBS 121757 with 97.9% identity (NR132006,
<bibRefCitation DOI="https://doi.org/10.3767/003158510X500705" author="Damm, U" journalOrPublisher="Persoonia" pageId="0" pageNumber="119" pagination="60 - 80" refId="B25" refString="Damm, U, Fourie, PH, Crous, PW, 2010. Coniochaeta (Lecythophora), Collophora gen. nov. and Phaeomoniella species associated with wood necroses of Prunus trees. Persoonia 24: 60 - 80, DOI: https://doi.org/10.3767/003158510X500705" title="Coniochaeta (Lecythophora), Collophora gen. nov. and Phaeomoniella species associated with wood necroses of Prunus trees." url="https://doi.org/10.3767/003158510X500705" volume="24" year="2010">Damm et al. 2010</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="119" type="materials_examined">
<paragraph pageId="0" pageNumber="119">Additional material examined.</paragraph>
<paragraph pageId="0" pageNumber="119">
Germany,
<normalizedToken originalValue="Baden-Württemberg">Baden-Wuerttemberg</normalizedToken>
, orchard west of Nussbach,
<geoCoordinate degrees="48" direction="north" minutes="32" orientation="latitude" precision="1" seconds="11.3" value="48.536472">48°32'11.3&quot;N</geoCoordinate>
,
<geoCoordinate degrees="8" direction="east" minutes="01" orientation="longitude" precision="1" seconds="01.3" value="8.017028">8°01'01.3&quot;E</geoCoordinate>
, from brown necrosis in wood of
<taxonomicName class="Magnoliopsida" family="Rosaceae" genus="Prunus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Prunus avium" order="Rosales" pageId="0" pageNumber="119" phylum="Tracheophyta" rank="species" species="avium">
<emphasis italics="true" pageId="0" pageNumber="119">Prunus avium</emphasis>
</taxonomicName>
, 23 Aug 2016, S. Bien leg., GLM-F110750, culture GLMC 1667 = CBS 145514 = DSM 109149.
</paragraph>
</subSubSection>
</treatment>
</document>