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Organization and Chromosomal Distribution of Histone Genes and Transposable Rex Elements in the Genome of Astyanax bockmanni (Teleostei, Characiformes)
(Cytogenetic and Genome Research, 2015-12-01) [Artigo]
An important feature of eukaryotic organisms is the number of different repetitive DNA sequences in their genome, a feature not observed in prokaryotes. These sequences are considered to be important components for ...
Effects of re-stripping on the seminal characteristics of pacu (Piaractus mesopotamicus) during the breeding season
(General And Comparative Endocrinology, 2015) [Artigo]
Seminal characteristics in teleost fish with an annual reproductive period, such as pacu (Piaractus mesopotamicus), may vary during the breeding season. The sperm formed before the beginning of the spawning period may be ...
New Insights into Karyotypic Relationships Among Populations of Astyanax bockmanni (Teleostei, Characiformes) of Different Watersheds
(Zebrafish, 2015-04-01) [Artigo]
The fish constitute about 50% of all vertebrates, including a wide morphological and biological diversity, where the genus Astyanax is the most common and diverse, as described in virtually all freshwater environments. By ...