124 lines
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124 lines
14 KiB
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<document id="BF7344A59ED3290F10A6D331C2489A05" ID-CLB-Dataset="7983" ID-DOI="10.11646/zootaxa.4876.1.1" ID-GBIF-Dataset="4ee8b608-7c73-4980-9e86-3e3719e91c7f" ID-ISSN="1175-5326" ID-Zenodo-Dep="4423612" ID-ZooBank="190EC586-E14B-4AEF-A5EF-3DA401656159" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1610025002304" checkinUser="plazi" docAuthor="Moreira, Camila Do Nascimento, Ventura, Karen, Percequillo, Alexandre Reis & Yonenaga-Yassuda, Yatiyo" docDate="2020" docId="03A587ED3212FFFB83E9F9F02902FE32" docLanguage="en" docName="zootaxa.4876.1.1.pdf" docOrigin="Zootaxa 4876 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Nephelomys meridensis" docType="treatment" docVersion="9" lastPageNumber="47" masterDocId="FF9CFF95323FFFD5837EFFC72C2BFFC7" masterDocTitle="A review on the cytogenetics of the tribe Oryzomyini (Rodentia: Cricetidae: Sigmodontinae), with the description of new karyotypes" masterLastPageNumber="111" masterPageNumber="1" pageNumber="46" updateTime="1698923325624" updateUser="ExternalLinkService">
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<mods:title id="F2A2F8BCB9A49DC09D7A351D9E837AA6">A review on the cytogenetics of the tribe Oryzomyini (Rodentia: Cricetidae: Sigmodontinae), with the description of new karyotypes</mods:title>
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<mods:namePart id="268366E3CAB2F9FFF0BAFBBB60658725">Moreira, Camila Do Nascimento</mods:namePart>
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<mods:namePart id="EDC77A001D27816427AE0C74352F9E20">Ventura, Karen</mods:namePart>
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<mods:namePart id="BDBF622801FB46EBBD9649F51BD1343D">Percequillo, Alexandre Reis</mods:namePart>
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<mods:nameIdentifier id="1F6A329C31773BAE1B5C03F6B604D692" type="email">cmoreirabio@gmail.com</mods:nameIdentifier>
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<mods:namePart id="62A4AB53805E909C46F19E5CFB431E8D">Yonenaga-Yassuda, Yatiyo</mods:namePart>
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<mods:title id="01E52BC10E94AC7DED358B8BA49C0807">Zootaxa</mods:title>
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<mods:part id="48C54403E1C5D61C1E403DAEF9B4B97F">
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<mods:date id="9EA9D3373A563EB504787CB54910D533">2020</mods:date>
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<mods:number id="3931ABFFEB6117C4F877BD5B0E8C3B37">2020-11-06</mods:number>
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<mods:number id="9630520CAC2B26B8EBBF37B3E23CDAAA">4876</mods:number>
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<treatment id="03A587ED3212FFFB83E9F9F02902FE32" ID-DOI="http://doi.org/10.5281/zenodo.4424152" ID-GBIF-Taxon="179917831" ID-Zenodo-Dep="4424152" LSID="urn:lsid:plazi:treatment:03A587ED3212FFFB83E9F9F02902FE32" httpUri="http://treatment.plazi.org/id/03A587ED3212FFFB83E9F9F02902FE32" lastPageId="46" lastPageNumber="47" pageId="45" pageNumber="46">
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<subSubSection id="C31665703212FFF883E9F9F02E6CF852" pageId="45" pageNumber="46" type="nomenclature">
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<paragraph id="8BB336FB3212FFF883E9F9F02D8BF996" blockId="45.[151,1437,1591,2014]" box="[151,416,1591,1617]" pageId="45" pageNumber="46">
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<heading id="D0FB81973212FFF883E9F9F02D8BF996" box="[151,416,1591,1617]" fontSize="11" level="2" pageId="45" pageNumber="46" reason="5">
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<taxonomicName id="4C0C4D783212FFF883E9F9F02D8BF996" ID-CoL="6S8Z8" baseAuthorityName="Thomas" baseAuthorityYear="1894" box="[151,416,1591,1617]" class="Mammalia" family="Cricetidae" genus="Nephelomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="45" pageNumber="46" phylum="Chordata" rank="species" species="meridensis">
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<emphasis id="B978EAE93212FFF883E9F9F02D8BF996" box="[151,416,1591,1617]" italics="true" pageId="45" pageNumber="46">Nephelomys meridensis</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BB336FB3212FFF883B9F99B2E6CF852" blockId="45.[151,1437,1591,2014]" pageId="45" pageNumber="46">
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Karyotype: 2n = 66 and FN = 104. Autosomal complement: one medium subtelocentric pair, 19 metacentric and submetacentric pairs medium to small decreasing in size, and 12 acrocentric pairs medium to small decreasing in size. Sex chromosomes: X chromosome presented two different morphologies, a medium metacentric, and a medium acrocentric; Y, a small subtelocentric. C-banding metaphases exhibited blocks of constitutive heterochromatin on the pericentromeric region of all autosomes, with the exception of four biarmed pairs which little or no centromeric heterochromatin was found, in addition, some acrocentric pairs presented a lightly stained C-band on distal regions of its long arm. The both X chromosome presented two heterochromatic blocks, one pericentromeric and another distal. The Y chromosome was totally heterochromatic in both cases. G-banding was also performed (
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<bibRefCitation id="EF9D4B0A3212FFF883E1F8BC2DA8F851" author="Aguilera, M. & Perez-Zapata, A. & Martino, A." box="[159,387,1915,1942]" pageId="45" pageNumber="46" pagination="44 - 49" refId="ref63396" refString="Aguilera, M., Perez-Zapata, A. & Martino, A. (1995) Cytogenetics and karyosystematics of Oryzomys albigularis (Rodentia, Cricetidae) from Venezuela. Cytogenetics and cell genetics, 69, 44 - 49. https: // doi. org / 10.1159 / 000133935" type="journal article" year="1995">
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Aguilera
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<emphasis id="B978EAE93212FFF88277F8BB2D10F852" box="[265,315,1915,1941]" italics="true" pageId="45" pageNumber="46">et al</emphasis>
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. 1995
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</bibRefCitation>
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, pp. 46,
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<figureCitation id="13372A7E3212FFF8829CF8BC2E11F852" box="[482,570,1915,1941]" captionStart="FIGURE 2" captionStartId="7.[151,250,1191,1215]" captionTargetBox="[159,1426,281,1162]" captionTargetId="figure-69@7.[151,1436,273,1168]" captionTargetPageId="7" captionText="FIGURE 2. Distribution of diploid and fundamental number of karyotyped specimens of genus Cerradomys. (□) C. akroai; (■) C. goytaca; (ê) C. langguthi; (r) C. maracajuensis; (▲) C. marinhus; (○) C. scotti; (☆) C. subflavus; (l) C. vivoi." figureDoi="http://doi.org/10.5281/zenodo.4423619" httpUri="https://zenodo.org/record/4423619/files/figure.png" pageId="45" pageNumber="46">Fig. 2B</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="C31665703212FFFB83B9F8582902FE32" lastPageId="46" lastPageNumber="47" pageId="45" pageNumber="46" type="description">
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<paragraph id="8BB336FB3212FFFB83B9F8582E62FE6A" blockId="45.[151,1437,1591,2014]" lastBlockId="46.[151,1437,150,501]" lastPageId="46" lastPageNumber="47" pageId="45" pageNumber="46">
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Another karyotype was also presented by
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<bibRefCitation id="EF9D4B0A3212FFF881DBF8582FB4F87D" author="Aguilera, M. & Perez-Zapata, A. & Martino, A." box="[677,927,1951,1978]" pageId="45" pageNumber="46" pagination="44 - 49" refId="ref63396" refString="Aguilera, M., Perez-Zapata, A. & Martino, A. (1995) Cytogenetics and karyosystematics of Oryzomys albigularis (Rodentia, Cricetidae) from Venezuela. Cytogenetics and cell genetics, 69, 44 - 49. https: // doi. org / 10.1159 / 000133935" type="journal article" year="1995">
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Aguilera
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<emphasis id="B978EAE93212FFF8806EF8672F68F87E" box="[784,835,1951,1977]" italics="true" pageId="45" pageNumber="46">et al</emphasis>
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. (1995)
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</bibRefCitation>
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, for the samples of western
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<collectingCountry id="F31B766B3212FFF8879DF8582972F87E" box="[1251,1369,1951,1977]" name="Venezuela" pageId="45" pageNumber="46">Venezuela</collectingCountry>
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, from the Páramo de Tamá. Although distinct from
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<taxonomicName id="4C0C4D783212FFF881EFF8032F00F81A" baseAuthorityName="Thomas" baseAuthorityYear="1894" box="[657,811,1987,2013]" class="Mammalia" family="Cricetidae" genus="Nephelomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="45" pageNumber="46" phylum="Chordata" rank="species" species="meridensis">
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<emphasis id="B978EAE93212FFF881EFF8032F00F81A" box="[657,811,1987,2013]" italics="true" pageId="45" pageNumber="46">N. meridensis</emphasis>
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</taxonomicName>
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on morphological and karyological traits, specimens of this region were provisionally identified as
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<taxonomicName id="4C0C4D783211FFFB8104FF502FD2FF76" authority="(Percequillo 2015 e)" baseAuthorityName="Percequillo" baseAuthorityYear="2015" box="[634,1017,150,177]" class="Mammalia" family="Cricetidae" genus="Nephelomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="46" pageNumber="47" phylum="Chordata" rank="species" species="meridensis">
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<emphasis id="B978EAE93211FFFB8104FF502F38FF76" box="[634,787,151,177]" italics="true" pageId="46" pageNumber="47">N. meridensis</emphasis>
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(
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<bibRefCitation id="EF9D4B0A3211FFFB805FFF502FDAFF76" author="Percequillo, A. R." box="[801,1009,150,177]" pageId="46" pageNumber="47" pagination="377 - 390" refId="ref71435" refString="Percequillo, A. R. (2015 e) Genus Nephelomys Weksler, Percequillo, & Voss, 2006. In: Patton, J., Pardinas, U. F. J. & D'Elia, G. (Eds.), Mammals of South America. 2. Rodents. University of Chicago Press, Chicago, Illinois, pp. 377 - 390." type="book chapter" year="2015">Percequillo 2015e</bibRefCitation>
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)
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</taxonomicName>
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, until subsequent analyses validate or reject this hypothesis. Karyotype: 2n = 66 and FN = 92. Autosomal complement: one medium subtelocentric pair, 13 metacentric and submetacentric pairs medium to small decreasing in size, and 18 acrocentric pairs medium to small decreasing in size. Sex chromosomes: X, a medium acrocentric; Y, unknown as only a female was examined. C-banding metaphases exhibited blocks of constitutive heterochromatin on the pericentromeric region of all autosomes, some acrocentric pairs presented a lightly stained C-band on distal regions of its long arm. The X chromosome presented two heterochromatic blocks, one pericentromeric and another distal. G-banding was also performed (
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<bibRefCitation id="EF9D4B0A3211FFFB83E1FE542DA8FE6A" author="Aguilera, M. & Perez-Zapata, A. & Martino, A." box="[159,387,402,429]" pageId="46" pageNumber="47" pagination="44 - 49" refId="ref63396" refString="Aguilera, M., Perez-Zapata, A. & Martino, A. (1995) Cytogenetics and karyosystematics of Oryzomys albigularis (Rodentia, Cricetidae) from Venezuela. Cytogenetics and cell genetics, 69, 44 - 49. https: // doi. org / 10.1159 / 000133935" type="journal article" year="1995">
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Aguilera
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<emphasis id="B978EAE93211FFFB8277FE542D10FE6A" box="[265,315,403,429]" italics="true" pageId="46" pageNumber="47">et al</emphasis>
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. 1995
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</bibRefCitation>
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, pp. 46,
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<figureCitation id="13372A7E3211FFFB829CFE542E17FE6A" box="[482,572,403,429]" captionStart="FIGURE 2" captionStartId="7.[151,250,1191,1215]" captionTargetBox="[159,1426,281,1162]" captionTargetId="figure-69@7.[151,1436,273,1168]" captionTargetPageId="7" captionText="FIGURE 2. Distribution of diploid and fundamental number of karyotyped specimens of genus Cerradomys. (□) C. akroai; (■) C. goytaca; (ê) C. langguthi; (r) C. maracajuensis; (▲) C. marinhus; (○) C. scotti; (☆) C. subflavus; (l) C. vivoi." figureDoi="http://doi.org/10.5281/zenodo.4423619" httpUri="https://zenodo.org/record/4423619/files/figure.png" pageId="46" pageNumber="47">Fig. 2A</figureCitation>
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).
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</paragraph>
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<paragraph id="8BB336FB3211FFFB83B9FE702902FE32" blockId="46.[151,1437,150,501]" pageId="46" pageNumber="47">
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<bibRefCitation id="EF9D4B0A3211FFFB83B9FE702DEAFE16" author="Aguilera, M. & Perez-Zapata, A. & Martino, A." box="[199,449,438,465]" pageId="46" pageNumber="47" pagination="44 - 49" refId="ref63396" refString="Aguilera, M., Perez-Zapata, A. & Martino, A. (1995) Cytogenetics and karyosystematics of Oryzomys albigularis (Rodentia, Cricetidae) from Venezuela. Cytogenetics and cell genetics, 69, 44 - 49. https: // doi. org / 10.1159 / 000133935" type="journal article" year="1995">
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Aguilera
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<emphasis id="B978EAE93211FFFB824DFE702D4DFE16" box="[307,358,439,465]" italics="true" pageId="46" pageNumber="47">et al</emphasis>
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. (1995)
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</bibRefCitation>
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analyzed by G-banding these two karyotypes and suggested that the difference in the number of chromosomal arms was possible to be explained due the occurrence of pericentric inversions.
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</paragraph>
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</subSubSection>
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</treatment>
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