Karyotypic divergence reveals that diversity in the Oecomys paricola complex (Rodentia, Sigmodontinae) from eastern Amazonia is higher than previously thought
The genus Oecomys (Rodentia, Sigmodontinae) is distributed from southern Central America to southeastern Brazil in South America. It currently comprises 18 species, but multidisciplinary approaches such as karyotypic, morphological and molecular studies have shown that there is a greater diversity w...
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| creator | Oliveira da Silva, Willam Rosa, Celina Coelho Pieczarka, Julio Cesar Ferguson-Smith, Malcolm Andrew O'Brien, Patricia Caroline Mary Mendes-Oliveira, Ana Cristina Rossi, Rogério Vieira Nagamachi, Cleusa Yoshiko |
| description | The genus Oecomys (Rodentia, Sigmodontinae) is distributed from southern Central America to southeastern Brazil in South America. It currently comprises 18 species, but multidisciplinary approaches such as karyotypic, morphological and molecular studies have shown that there is a greater diversity within some lineages than others. In particular, it has been proposed that O. paricola constitutes a species complex with three evolutionary units, which have been called the northern, eastern and western clades. Aiming to clarify the taxonomic status of O. paricola and determine the relevant chromosomal rearrangements, we investigated the karyotypes of samples from eastern Amazonia by chromosomal banding and FISH with Hylaeamys megacephalus (HME) whole-chromosome probes. We detected three cytotypes for O. paricola: A (OPA-A; 2n = 72, FN = 75), B (OPA-B; 2n = 70, FN = 75) and C (OPA-C; 2n = 70, FN = 72). Comparative chromosome painting showed that fusions/fissions, translocations and pericentric inversions or centromeric repositioning were responsible for the karyotypic divergence. We also detected exclusive chromosomal signatures that can be used as phylogenetic markers. Our analysis of karyotypic and distribution information indicates that OPA-A, OPA-B and OPA-C are three distinct species that belong to the eastern clade, with sympatry occurring between two of them, and that the "paricola group" is more diverse than was previously thought. |
| doi_str_mv | 10.1371/journal.pone.0241495 |
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It currently comprises 18 species, but multidisciplinary approaches such as karyotypic, morphological and molecular studies have shown that there is a greater diversity within some lineages than others. In particular, it has been proposed that O. paricola constitutes a species complex with three evolutionary units, which have been called the northern, eastern and western clades. Aiming to clarify the taxonomic status of O. paricola and determine the relevant chromosomal rearrangements, we investigated the karyotypes of samples from eastern Amazonia by chromosomal banding and FISH with Hylaeamys megacephalus (HME) whole-chromosome probes. We detected three cytotypes for O. paricola: A (OPA-A; 2n = 72, FN = 75), B (OPA-B; 2n = 70, FN = 75) and C (OPA-C; 2n = 70, FN = 72). Comparative chromosome painting showed that fusions/fissions, translocations and pericentric inversions or centromeric repositioning were responsible for the karyotypic divergence. We also detected exclusive chromosomal signatures that can be used as phylogenetic markers. Our analysis of karyotypic and distribution information indicates that OPA-A, OPA-B and OPA-C are three distinct species that belong to the eastern clade, with sympatry occurring between two of them, and that the "paricola group" is more diverse than was previously thought.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0241495</identifier><identifier>PMID: 33119689</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Animals ; Biology and Life Sciences ; Chromosome rearrangements ; Chromosome translocations ; Chromosomes ; Chromosomes, Mammalian - genetics ; Computer and Information Sciences ; Cytogenetic Analysis ; Cytogenetics ; Distribution ; Divergence ; Ecosystems ; Genetic aspects ; Genetic Variation ; Genomics ; Identification and classification ; Inversions ; Karyotype ; Karyotypes ; Medical research ; Morphology ; Oecomys paricola ; Phylogenetics ; Phylogeny ; Research and Analysis Methods ; Rodentia ; Sigmodontinae ; Sigmodontinae - genetics ; Species ; Sympatry ; Taxonomy ; Veterinary medicine</subject><ispartof>PloS one, 2020-10, Vol.15 (10), p.e0241495-e0241495</ispartof><rights>COPYRIGHT 2020 Public Library of Science</rights><rights>2020 Oliveira da Silva et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2020 Oliveira da Silva et al 2020 Oliveira da Silva et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c593t-b4d3e4ee85df083480123d889913958c05d387a0f9620ec53291f03c82bb872e3</citedby><cites>FETCH-LOGICAL-c593t-b4d3e4ee85df083480123d889913958c05d387a0f9620ec53291f03c82bb872e3</cites><orcidid>0000-0003-3125-1075 ; 0000-0003-1516-2734</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7595413/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7595413/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2102,2928,23866,27924,27925,53791,53793,79600,79601</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33119689$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Lustig, Arthur J.</contributor><creatorcontrib>Oliveira da Silva, Willam</creatorcontrib><creatorcontrib>Rosa, Celina Coelho</creatorcontrib><creatorcontrib>Pieczarka, Julio Cesar</creatorcontrib><creatorcontrib>Ferguson-Smith, Malcolm Andrew</creatorcontrib><creatorcontrib>O'Brien, Patricia Caroline Mary</creatorcontrib><creatorcontrib>Mendes-Oliveira, Ana Cristina</creatorcontrib><creatorcontrib>Rossi, Rogério Vieira</creatorcontrib><creatorcontrib>Nagamachi, Cleusa Yoshiko</creatorcontrib><title>Karyotypic divergence reveals that diversity in the Oecomys paricola complex (Rodentia, Sigmodontinae) from eastern Amazonia is higher than previously thought</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>The genus Oecomys (Rodentia, Sigmodontinae) is distributed from southern Central America to southeastern Brazil in South America. 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We also detected exclusive chromosomal signatures that can be used as phylogenetic markers. Our analysis of karyotypic and distribution information indicates that OPA-A, OPA-B and OPA-C are three distinct species that belong to the eastern clade, with sympatry occurring between two of them, and that the "paricola group" is more diverse than was previously thought.</description><subject>Animals</subject><subject>Biology and Life Sciences</subject><subject>Chromosome rearrangements</subject><subject>Chromosome translocations</subject><subject>Chromosomes</subject><subject>Chromosomes, Mammalian - genetics</subject><subject>Computer and Information Sciences</subject><subject>Cytogenetic Analysis</subject><subject>Cytogenetics</subject><subject>Distribution</subject><subject>Divergence</subject><subject>Ecosystems</subject><subject>Genetic aspects</subject><subject>Genetic Variation</subject><subject>Genomics</subject><subject>Identification and classification</subject><subject>Inversions</subject><subject>Karyotype</subject><subject>Karyotypes</subject><subject>Medical research</subject><subject>Morphology</subject><subject>Oecomys paricola</subject><subject>Phylogenetics</subject><subject>Phylogeny</subject><subject>Research and Analysis Methods</subject><subject>Rodentia</subject><subject>Sigmodontinae</subject><subject>Sigmodontinae - 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It currently comprises 18 species, but multidisciplinary approaches such as karyotypic, morphological and molecular studies have shown that there is a greater diversity within some lineages than others. In particular, it has been proposed that O. paricola constitutes a species complex with three evolutionary units, which have been called the northern, eastern and western clades. Aiming to clarify the taxonomic status of O. paricola and determine the relevant chromosomal rearrangements, we investigated the karyotypes of samples from eastern Amazonia by chromosomal banding and FISH with Hylaeamys megacephalus (HME) whole-chromosome probes. We detected three cytotypes for O. paricola: A (OPA-A; 2n = 72, FN = 75), B (OPA-B; 2n = 70, FN = 75) and C (OPA-C; 2n = 70, FN = 72). Comparative chromosome painting showed that fusions/fissions, translocations and pericentric inversions or centromeric repositioning were responsible for the karyotypic divergence. We also detected exclusive chromosomal signatures that can be used as phylogenetic markers. Our analysis of karyotypic and distribution information indicates that OPA-A, OPA-B and OPA-C are three distinct species that belong to the eastern clade, with sympatry occurring between two of them, and that the "paricola group" is more diverse than was previously thought.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>33119689</pmid><doi>10.1371/journal.pone.0241495</doi><orcidid>https://orcid.org/0000-0003-3125-1075</orcidid><orcidid>https://orcid.org/0000-0003-1516-2734</orcidid><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; DOAJ Directory of Open Access Journals; Public Library of Science; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Animals Biology and Life Sciences Chromosome rearrangements Chromosome translocations Chromosomes Chromosomes, Mammalian - genetics Computer and Information Sciences Cytogenetic Analysis Cytogenetics Distribution Divergence Ecosystems Genetic aspects Genetic Variation Genomics Identification and classification Inversions Karyotype Karyotypes Medical research Morphology Oecomys paricola Phylogenetics Phylogeny Research and Analysis Methods Rodentia Sigmodontinae Sigmodontinae - genetics Species Sympatry Taxonomy Veterinary medicine |
| title | Karyotypic divergence reveals that diversity in the Oecomys paricola complex (Rodentia, Sigmodontinae) from eastern Amazonia is higher than previously thought |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-01T10%3A46%3A58IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Karyotypic%20divergence%20reveals%20that%20diversity%20in%20the%20Oecomys%20paricola%20complex%20(Rodentia,%20Sigmodontinae)%20from%20eastern%20Amazonia%20is%20higher%20than%20previously%20thought&rft.jtitle=PloS%20one&rft.au=Oliveira%20da%20Silva,%20Willam&rft.date=2020-10-29&rft.volume=15&rft.issue=10&rft.spage=e0241495&rft.epage=e0241495&rft.pages=e0241495-e0241495&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0241495&rft_dat=%3Cgale_plos_%3EA639843399%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2455808197&rft_id=info:pmid/33119689&rft_galeid=A639843399&rft_doaj_id=oai_doaj_org_article_24c304a1bbf743ddba1b5c954650409f&rfr_iscdi=true |