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dc.contributor.authorOLIVEIRA, N. P. de
dc.contributor.authorGESTEIRA, G. de S.
dc.contributor.authorOLIVEIRA, M. do S. P. de
dc.contributor.authorDAVIDE, L. C.
dc.date.accessioned2024-06-07T18:55:21Z-
dc.date.available2024-06-07T18:55:21Z-
dc.date.created2024-06-07
dc.date.issued2024
dc.identifier.citationComparative Cytogenetics, v. 18, p. 59-72, 2024.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1164775-
dc.descriptionThe genus Oenocarpus Martius, 1823 (Arecaceae) includes five species commonly used in Amazonia, especially for their fruits. Little is known about the cytogenetic characteristics and DNA amounts of these species, except for O. bataua (Martius, 1823). This study characterized and compared the types of interphase nuclei, the chromosome sets, and estimated the nuclear DNA amounts of Oenocarpus bacaba (Martius, 1823),O. bataua, O. distichus (Martius, 1823), O. mapora (H. Karsten, 1857) and O. minor (Martius, 1823). Standard cytogenetic analyses and estimates of the nuclear DNA amount by flow cytometry were carried out. These are the first reports of chromosome numbers and DNA amounts, except for O. bataua, as is the description of the chromatin distribution in interphase nuclei and karyotype for all species. All species presented 2n = 36, confirming the previous report for O. bataua. Differences between karyotype formulas and the positioning of secondary constrictions were observed. There were no significant differences for the nuclear DNA amounts among species. The constancy in chromosome number and variations in karyotype formulas suggest the occurrence of chromosome rearrangement as an important mechanism in Oenocarpus speciation.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectC-value
dc.subjectCytogenetic analyses
dc.subjectKaryogram
dc.subjectKaryotype asymmetry
dc.subjectPalms
dc.titleInterphase nuclei, karyotypes and nuclear DNA amounts in five species of Oenocarpus (Arecaceae).
dc.typeArtigo de periódico
dc.subject.nalthesaurusFlow cytometry
riaa.ainfo.id1164775
riaa.ainfo.lastupdate2024-06-07
dc.identifier.doihttps://doi.org/10.3897/compcytogen.18.117597
dc.contributor.institutionNATÁLIA PADILHA DE OLIVEIRA, UNIVERSIDADE FEDERAL DE LAVRAS; GABRIEL DE SIQUEIRA GESTEIRA, UNIVERSIDADE FEDERAL DE LAVRAS; MARIA DO SOCORRO P DE OLIVEIRA, CPATU; LISETE CHAMMA DAVIDE, UNIVERSIDADE FEDERAL DE LAVRAS.
Aparece en las colecciones:Artigo em periódico indexado (CPATU)

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