2013
DOI: 10.1186/1471-2156-14-21
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Proechimys (Rodentia, Echimyidae): characterization and taxonomic considerations of a form with a very low diploid number and a multiple sex chromosome system

Abstract: BackgroundProechimys is the most diverse genus in family Echimyidae, comprising 25 species (two of which are polytypic) and 39 taxa. Despite the numerous forms of this rodent and their abundance in nature, there are many taxonomic problems due to phenotypic similarities within the genus and high intraspecific variation. Extensive karyotypic variation has been noted, however, with diploid numbers (2n) ranging from 14 to 62 chromosomes. Some heteromorphism can be found, and 57 different karyotypes have been desc… Show more

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Cited by 17 publications
(33 citation statements)
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“…longicaudatus (Jacareacanga and Itaituba; fig. 1 , localities 6 and 7) present the same karyotype (2n = 16 ♀ /17 ♂ , FN = 14) as the sample described by Amaral et al [2013] which was obtained near the Juruena River in Cotriguaçu northwest and Querên-cia northeast Mato Grosso ( fig. 1 , localities 10 and 11).…”
Section: Karyotypic Diversitymentioning
confidence: 91%
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“…longicaudatus (Jacareacanga and Itaituba; fig. 1 , localities 6 and 7) present the same karyotype (2n = 16 ♀ /17 ♂ , FN = 14) as the sample described by Amaral et al [2013] which was obtained near the Juruena River in Cotriguaçu northwest and Querên-cia northeast Mato Grosso ( fig. 1 , localities 10 and 11).…”
Section: Karyotypic Diversitymentioning
confidence: 91%
“…commun. ); 9 = Juruena town, Mato Grosso, Machado et al [2005]; 10 = Cotriguaçu town, Mato Grosso, Amaral et al [2013]; 11 = Querência town, Mato Grosso, Amaral et al [2013]. Each square corresponds to 3 degrees of latitude and longitude.…”
Section: Fluorescence In Situ Hybridizationmentioning
confidence: 99%
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