[PDF] Top 20 Comparative karyotype analysis and chromosome evolution in the genus Aplastodiscus (Cophomantini, Hylinae, Hylidae)

... Observing the karyotypes analysed so far with standard Giemsa staining, it was noticed that, although the ordering or the nomenclature adopted for each chromosome pair could differed among ... See full document

... found in an interstitial posi- tion on chromosomes from the majority of fish species [29], as well as in other vertebrates [30-33], suggesting that such a pattern of distribution is not a ...with ... See full document

... Evolutionary and population genetic approaches were carried out in the analysis of species and populations in the genus Gymnotus (Gymnotiformes: ...conducted ... See full document

... within the Characidae family currently includes 88 genera, previously included in the subfamily ...is the genus Astyanax comprising a group of species with similar morphology and ... See full document

... localities in Brazil (Ruas and Ruas, 1987; Maffei, 1996, Maffei et ...36 and one with 2n = 2x = 42, while six were tetraploid with 2n = 4x = ...72. In all the cytotypes of M. micrantha ... See full document

... observed in one chromosome pair of the species may indicate a derived karyotype within the ge- ...considering the abundance of such repetitive DNA in heterochromatic ... See full document

... for the seven Vitis species analyzed, suggest that during the species diversification process the most crucial differences among them did not involve drastic changes in chromosome ... See full document

... Cytogenetic analysis of Potamotrygon aff. motoro and P. falkneri indicated the occurrence of an X 1 X 1 X 2 X 2 /X 1 X 2 Y multiple sex chromosome system in both species, with 2n = 66 ... See full document

... exceptions). In humans, wrong recombination events occur quite rarely, manifesting themselves in genomic disorders or ...occasions, the rate of genome evolution has been accelerated by ... See full document

... support in the genus Tidarren (Theridiidae). Males in this genus have unusually large pedipalps for their body size and so they castrate one of their pedipalps prior to sperm ... See full document

... characteristics and report on the occurrence of ZZ/ZW sex chromosomes in Ancistrus ranunculus (rio Xingu) and Ancistrus ...of the Brazilian ...sexes, and the karyotypic ... See full document

... studies in Trichomycterus evidenced a considerably variable karyotype, with the diploid chromosome numbers ranging from 2n=50 in Trichomycterus ...only in trans- Andean species, ... See full document

... of the genera Nishina, Oxyopes, and Peucetia have been cytogenetically ...Among the four oxyopids studied here, only ...is the irst chromosome record for a representative of the ... See full document

... proposed. The phylogenetic tree was enriched with the area of occurrence and with information on the karyotype of the ...tree, and with a described methodology, hypotheses ... See full document

... for the Serrasalmus ...goulding and S. serrulatus and a new karyotypic form was described herein for ...altispinnis. The three species showed 2n = 60 and FN = 110, but they can be ... See full document

... evaluate karyotype evolution within an ant genera advocate in favor of centric fission as the main chromosomal rearrangement determining karyotypes, ...ants, the suggestion is that ... See full document

... Although the family Alestidae has been considered monophyletic in most analysis, not all of the genera included in the family are considered monophyletic (for a review, see ... See full document

... occurred in each given group, and the interpretation of karyotype evolution depends upon the context of the comparative ...a chromosome set with the ... See full document

... despite the chromosome diversity found among Psittaciformes, the confirmation of the fusions involving PAK6/PAK7 and PAK8/PAK9 found in all the species analyzed so far ... See full document

... reported the identification of several AFLP, RAPD and RFLP molecular markers linked to apospory in Paspalum ...notatum. The objective of this work was to sequence these markers, obtain their ... See full document