dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorDias, Ana Lúcia
dc.creatorForesti, Fausto
dc.creatorOliveira, Claudio
dc.date2014-05-27T11:19:34Z
dc.date2016-10-25T18:15:03Z
dc.date2014-05-27T11:19:34Z
dc.date2016-10-25T18:15:03Z
dc.date1998-04-01
dc.date.accessioned2017-04-06T00:51:51Z
dc.date.available2017-04-06T00:51:51Z
dc.identifierCaryologia, v. 51, n. 2, p. 105-113, 1998.
dc.identifier0008-7114
dc.identifierhttp://hdl.handle.net/11449/65430
dc.identifierhttp://acervodigital.unesp.br/handle/11449/65430
dc.identifier10.1080/00087114.1998.10589125
dc.identifierWOS:000076517800002
dc.identifier2-s2.0-0001107319
dc.identifierhttp://dx.doi.org/10.1080/00087114.1998.10589125
dc.identifierhttp://www.caryologia.unifi.it/past_volumes/51_2/51_2abst.html
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/887154
dc.descriptionMeiotic analysis performed on a sample of 10 specimens of Prochilodus lineatus revealed continuous filaments of different sizes stained by AgNO3, corresponding to the bivalent of the normal complement. Small supernumerary chromosomes were observed as isolated and well stained bodies, scattered among the other elements. Synaptonemal complex studies have shown that the beginning of chromosome pairing process in P. lineatus usually occurs from the telomeres to the pericentromeric region. At the end of the pachytene 27 bivalents are perfectly paired and the small supernumerary chromosomes of this species are seen as bivalents, trivalents, or tetravalents. The central region of these small chromosomes show a trick staining when they formed bivalents or tetravalents. This portion seems to correspond to the pericentromeric region of the regular chromosomes with the heterochromatic characteristic of B chromosomes.
dc.languageeng
dc.relationCaryologia
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectFish
dc.subjectMeiosis
dc.subjectSupernumerary chromosomes
dc.subjectSynaptonemal complex
dc.titleSynapsis in supernumerary chromosomes of Prochilodus lineatus (Teleostei: Prochilodontidae)
dc.typeOtro


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