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Physical Mapping of the 5S and 18S rDNA in Ten Species of Hypostomus Lacépède 1803 (Siluriformes: Loricariidae): Evolutionary Tendencies in the Genus
Joint Authors
Bueno, Vanessa
César Venere, Paulo
Thums Konerat, Jocicléia
Henrique Zawadzki, Cláudio
Ricardo Vicari, Marcelo
Margarido, Vladimir Pavan
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-10-27
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Medicine
Information Technology and Computer Science
Abstract EN
Hypostomus is a diverse group with unclear aspects regarding its biology, including the mechanisms that led to chromosome diversification within the group.
Fluorescence in situ hybridization (FISH) with 5S and 18S rDNA probes was performed on ten Hypostomini species.
Hypostomus faveolus, H.
cochliodon, H.
albopunctatus, H.
aff.
paulinus, and H.
topavae had only one chromosome pair with 18S rDNA sites, while H.
ancistroides, H.
commersoni, H.
hermanni, H.
regani, and H.
strigaticeps had multiple 18S rDNA sites.
Regarding the 5S rDNA genes, H.
ancistroides, H.
regani, H.
albopunctatus, H.
aff.
paulinus, and H.
topavae had 5S rDNA sites on only one chromosome pair and H.
faveolus, H.
cochliodon, H.
commersoni, H.
hermanni, and H.
strigaticeps had multiple 5S rDNA sites.
Most species had 18S rDNA sites in the telomeric region of the chromosomes.
All species but H.
cochliodon had 5S rDNA in the centromeric/pericentromeric region of one metacentric pair.
Obtained results are discussed based on existent phylogenies for the genus, with comments on possible dispersion mechanisms to justify the variability of the rDNA sites in Hypostomus.
American Psychological Association (APA)
Bueno, Vanessa& César Venere, Paulo& Thums Konerat, Jocicléia& Henrique Zawadzki, Cláudio& Ricardo Vicari, Marcelo& Margarido, Vladimir Pavan. 2014. Physical Mapping of the 5S and 18S rDNA in Ten Species of Hypostomus Lacépède 1803 (Siluriformes: Loricariidae): Evolutionary Tendencies in the Genus. The Scientific World Journal،Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-1051696
Modern Language Association (MLA)
Bueno, Vanessa…[et al.]. Physical Mapping of the 5S and 18S rDNA in Ten Species of Hypostomus Lacépède 1803 (Siluriformes: Loricariidae): Evolutionary Tendencies in the Genus. The Scientific World Journal No. 2014 (2014), pp.1-8.
https://search.emarefa.net/detail/BIM-1051696
American Medical Association (AMA)
Bueno, Vanessa& César Venere, Paulo& Thums Konerat, Jocicléia& Henrique Zawadzki, Cláudio& Ricardo Vicari, Marcelo& Margarido, Vladimir Pavan. Physical Mapping of the 5S and 18S rDNA in Ten Species of Hypostomus Lacépède 1803 (Siluriformes: Loricariidae): Evolutionary Tendencies in the Genus. The Scientific World Journal. 2014. Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-1051696
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1051696