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Citotaxonomía y distribución del género Eligmodontia (Rodentia, Cricetidae, Sigmodontinae) Mastozool. neotrop.
Lanzone,Cecilia; Ojeda,Ricardo A..
Tipo: Info:eu-repo/semantics/report Palavras-chave: Caryotype; Distribution; Phyllotine; Sigmodontine rodents; Type locality.
Ano: 2005 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-93832005000100009
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Evidence of differential chromosome loss in aneuploid karyotypes of the Pacific oyster, Crassostrea gigas ArchiMer
Leitao, Alexandra; Boudry, Pierre; Thiriot Quievreux, Catherine.
The G-banding technique was performed on aneuploid karyotypes from gill tissue of the Pacific oyster, Crassostrea gigas, to assess whether chromosome losses could be explained by differential chromosomal susceptibility and to clarify the negative correlation between aneuploidy and growth rate previously reported in different populations of this oyster. The study of 95 G-banded aneuploid karyotypes showed that only 4 of the 10 chromosome pairs (viz. 1, 5, 9, and 10) of C. gigas were affected by the loss of one homologous chromosome. Pairs 1, 9, and 10, which were lost in 56, 33, and 44% of cases, respectively, may be considered to be differentially affected. Hypotheses on this differential chromosomal susceptibility are discussed.
Tipo: Text Palavras-chave: Oyster; Karyotype; G banding; Growth; Aneuploidy; Huître; Caryotype; Bandes G; Croissance; Aneuploïdie.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/2001/publication-742.pdf
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