4 documents found, page 1 of 1
Impacts of Stress Caused by Copper Sulfate (CuSO4) on the Genome of the Tambaqu...
Silva,Hallana Cristina Menezes da; Ribeiro,Leila Braga; Mota,Adolfo José da; Feldberg,Eliana; Matoso,Daniele AparecidaAbstract The transposable elements are known by their ability to move and integrate into the genome of the host organism. They are classified in retrotransposons class I, which has, as intermediate of the transposition, the RNA and retrotransposons class II, which is composed of the DNA transposons, whose DNA migrates directly or is copied and inserted into the genome. The retrotransposable element Rex1 is a no...
Chromosome mapping of repetitive sequences in four Serrasalmidae species (Chara...
Ribeiro,Leila Braga; Matoso,Daniele Aparecida; Feldberg,ElianaThe Serrasalmidae family is composed of a number of commercially interesting species, mainly in the Amazon region where most of these fishes occur. In the present study, we investigated the genomic organization of the 18S and 5S rDNA and telomeric sequences in mitotic chromosomes of four species from the basal clade of the Serrasalmidae family: Colossoma macropomum, Mylossoma aureum, M. duriventre, and Piaractu...
Karyotype variability in neotropical catfishes of the family Pimelodidae (Teleo...
Moraes Neto,Américo; Silva,Maelin da; Matoso,Daniele Aparecida; Vicari,Marcelo Ricardo; Almeida,Mara Cristina de; Collares-Pereira,Maria JoãoKaryotypic data are presented for four species of fish belonging to the Pimelodidae family. These species show a conserved diploid number, 2n = 56 chromosomes, with different karyotypic formulae. The analyzed species showed little amount of heterochromatin located preferentially in the centromeric and telomeric regions of some chromosomes. The nucleolus organizer regions activity (Ag-NORs) and the chromosomal l...
Preliminary qualitative analysis on mtDNA in Astyanax fasciatus populations Cuv...
Matoso,Daniele Aparecida; Martins,Cesar; Artoni,Roberto Ferreira; Galetti Jr,Pedro ManoelA preliminary qualitative analysis of genetic variability status in Astyanax fasciatus (Cuvier, 1819) from upper Tibagi River headwaters and Vila Velha State Park (VVSP) was carried out by enzymatic digestion (RFLP) of D-Loop region from mtDNA. The results showed that Tibagi and VVSP populations were genetically different.