Variabilidade genética em uma população de Leporinus lacustris Campos, 1945 (Osteichthyes: Anostomidae) da Lagoa do Carão (planície de inundação do alto rio Paraná), Brasil - DOI: 10.4025/actascibiolsci.v27i1.1370

Maria Dolores Peres; Erasmo Renesto

doi:10.4025/actascibiolsci.v27i1.1370

**Genetic variability in a Leporinus lacustris Campos, 1945 (Osteichthyes: Anostomidae) population from Lagoa do Carão (Upper Paraná River floodplain), Brazil** - DOI: 10.4025/actascibiolsci.v27i1.1370

Authors

Maria Dolores Peres UEM Author
Erasmo Renesto UEM Author

DOI:

https://doi.org/10.4025/actascibiolsci.v27i1.1370

Keywords:

alozimas, variabilidade genética, Leporinus lacustris, heterozigosidade, rio Paraná

Abstract

A Leporinus lacustris population from the floodplain of Upper Paraná River was analyzed for genetic diversity by allozyme data. Specimens were sampled in Southern Brazil, at Lagoa do Carão (22o44’S/53o17’W) in the floodplain of Upper Paraná River. A total of thirty loci were identified in sixteen enzymatic systems (AAT, ACP, ADH, EST, GDH, G3PDH, G6PDH, GPI, IDHP, L-IDDH, LDH, MDH, MDHP, PER, PGM, and SOD), on 15% corn starch gel electrophoresis. Proportions of polymorphic loci were estimated as 26.67%. Expected heterozygosity was estimated as 0.0806 ± 0.0313, which was lower than previous estimates for L. friderici, L. elongates and L. obtusidens from the Tibagi River, a tributary of the Paraná River basin. The low heterozygosity of the L. lacustris analyzed population could be attributed to the sedentary habit of this species

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Published

2008-03-26

Issue

Vol. 27 No. 1 (2005)

Section

Vertebrates

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How to Cite

Genetic variability in a Leporinus lacustris Campos, 1945 (Osteichthyes: Anostomidae) population from Lagoa do Carão (Upper Paraná River floodplain), Brazil - DOI: 10.4025/actascibiolsci.v27i1.1370. (2008). Acta Scientiarum. Biological Sciences, 27(1), 79-84. https://doi.org/10.4025/actascibiolsci.v27i1.1370