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dc.contributor.CRUESPUNIVERSIDADE ESTADUAL DE CAMPINASpt_BR
dc.contributor.authorunicampMathews Delgado, Patrick-
dc.contributor.authorunicampAdriano, Edson Aparecido-
dc.typeArtigopt_BR
dc.titleUltrastructure and ssrRNA sequencing of Myxidium amazonense n. sp. a myxosporean parasite of Corydoras melini from the Rio Negro river, Amazonas state, Brazilpt_BR
dc.contributor.authorMathews, Patrick D.-
dc.contributor.authorSilva, Marcia R. M.-
dc.contributor.authorMaia, Antônio A. M.-
dc.contributor.authorAdriano, Edson A.-
dc.subjectVesícula biliarpt_BR
dc.subjectPeixept_BR
dc.subject.otherlanguageGallbladderpt_BR
dc.subject.otherlanguageFishespt_BR
dc.description.abstractIn a survey of myxozoan parasites of ornamental freshwater fish from the Rio Negro river, it was found that seven of 30 (23.3 %) Corydoras melini specimens examined had plasmodia of a new Myxidium species (Myxidium amazonense n. sp.) in the gallbladder. The fish were caught in the Rio Negro river, in the municipality of Santa Isabel do Rio Negro, in the state of Amazonas, Brazil. The plasmodia had a tubular shape, which was organized as a spiral spring with several turns in the gallbladder. The development of the myxospores was asynchronic, with disporic pansporoblasts. Mature myxospores were elongated, with 17.0 ± 0.9 (16.1–17.9) μm in length and 3.7 ± 0.7 (3.0–4.4) μm in width, and lightly arcuate from the valval view, with their bodies tapering slowly until ending in rounded extremities. The valval surface had nine to ten grooves in each valve. The polar capsules, one at either end of the spore, had a length of 5.4 ± 0.5 (4.9–5.9) μm and a width of 3.4 ± 0.6 (2.8–4.0) μm. Ultrastructural analysis showed that the wall of the plasmodia had numerous microvilli-like structures, pinocytotic canals, and cytoplasmic bridges connecting the pansporoblasts to each other and to the ectoplasm zone. Phylogenetic analysis, based on a small subunit ribosomal RNA (ssrRNA), identified the new species as a sister species of Myxidiumceccarelli, the unique South American Myxidium species whose ssrRNA sequence is available in the NCBI database. This study is the first description of Myxidium species in ornamental freshwater fish from Amazon.pt_BR
dc.relation.ispartofParasitology researchpt_BR
dc.relation.ispartofabbreviationParasitol. res.pt_BR
dc.publisher.cityBerlinpt_BR
dc.publisher.countryAlemanhapt_BR
dc.publisherSpringerpt_BR
dc.date.issued2015-
dc.date.monthofcirculationSept.pt_BR
dc.language.isoengpt_BR
dc.description.volume114pt_BR
dc.description.issuenumber12pt_BR
dc.description.firstpage4675pt_BR
dc.description.lastpage4683pt_BR
dc.rightsFechadopt_BR
dc.sourceWOSpt_BR
dc.identifier.issn0932-0113pt_BR
dc.identifier.eissn1432-1955pt_BR
dc.identifier.doi10.1007/s00436-015-4715-5pt_BR
dc.identifier.urlhttps://link.springer.com/article/10.1007%2Fs00436-015-4715-5pt_BR
dc.description.sponsorshipCONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO - CNPQpt_BR
dc.description.sponsorshipCOORDENAÇÃO DE APERFEIÇOAMENTO DE PESSOAL DE NÍVEL SUPERIOR - CAPESpt_BR
dc.description.sponsorshipFUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULO - FAPESPpt_BR
dc.description.sponsordocumentnumber305630/2013-0pt_BR
dc.description.sponsordocumentnumberSem informaçãopt_BR
dc.description.sponsordocumentnumber2013/21374-6; 2013/14656-5pt_BR
dc.date.available2021-01-21T18:01:07Z-
dc.date.accessioned2021-01-21T18:01:07Z-
dc.description.provenanceSubmitted by Bruna Maria Campos da Cunha (bcampos@unicamp.br) on 2021-01-21T18:01:07Z No. of bitstreams: 0. Added 1 bitstream(s) on 2021-02-19T18:02:03Z : No. of bitstreams: 1 000362895700035.pdf: 2029493 bytes, checksum: 832801ca4db389b47a4a5dd9a27cef8b (MD5)en
dc.description.provenanceMade available in DSpace on 2021-01-21T18:01:07Z (GMT). No. of bitstreams: 0 Previous issue date: 2015en
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/354573-
dc.contributor.departmentSem informaçãopt_BR
dc.contributor.departmentSem informaçãopt_BR
dc.contributor.unidadeInstituto de Biologiapt_BR
dc.contributor.unidadeInstituto de Biologiapt_BR
dc.subject.keywordMyxozoapt_BR
dc.subject.keywordMyxidiumpt_BR
dc.subject.keywordSystematicpt_BR
dc.subject.keywordAmazonpt_BR
dc.identifier.source000362895700035pt_BR
dc.creator.orcid0000-0003-1138-6642pt_BR
dc.creator.orcid0000-0002-6903-9531pt_BR
dc.type.formArtigo originalpt_BR
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