Standardized Karyotype and Idiogram of Quoy's Parrotfish, Scarus quoyi (Perciformes: Scaridae) by Conventional Staining and Ag-NOR Banding Techniques
نویسندگان
چکیده
منابع مشابه
Robertsonian rearrangements and pericentric inversions in Scaridae fish (Perciformes).
The parrotfishes (family Scaridae) are comprised of the subfamilies Sparisomatinae and Scarinae. They are important agents of marine bioerosion, which rework the substrate with their beaklike jaws. Despite their importance, there are no published cytogenetic data on this group. We made cytogenetic analyses of Sparisoma axillare (Sparisomatinae) and Scarus trispinosus [corrected] (Scarinae) from...
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The male karyotypes of Acmaeodera pilosellae persica Mannerheim, 1837 with 2n=20 (18+neoXY), Sphenoptera scovitzii Faldermann, 1835 (2n=38-46), Dicerca aenea validiuscula Semenov, 1895 - 2n=20 (18+Xyp) and Sphaerobothris aghababiani Volkovitsh et Kalashian, 1998 - 2n=16 (14+Xyp) were studied using conventional staining and different chromosome banding techniques: C-banding, AgNOR-banding, as we...
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Nearly all methods of chromosome banding rely on harvesting chromosomes in mitosis. This is usually achieved by treating cells with tubulin inhibitors, such as colchicine or demecolcine (colcemid), that depolymerize the mitotic spindle and so arrest the cell at this stage. Excessively long incubations with Colcemid result in overcondensed chromosomes that band poorly and moreover some cell type...
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A cytogenetic characterization, including heterochromatin content, and the analysis of the location of rDNA genes, was performed in Largus fasciatus Blanchard, 1843 and L. rufipennis Laporte, 1832. Mitotic and meiotic analyses revealed the same diploid chromosome number 2n = 12 + X0/XX (male/female). Heterochromatin content, very scarce in both species, revealed C-blocks at both ends of autosom...
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ژورنال
عنوان ژورنال: CYTOLOGIA
سال: 2014
ISSN: 0011-4545,1348-7019
DOI: 10.1508/cytologia.79.429