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Population structure analysis of Pimelodus maculatus (Pisces, Siluriformes) from the Tietê and Paranapanema Rivers (Brazil)
Almeida, Fernanda Simões de; Sodré, Leda Maria Koelblinger; Contel, Eucleia Primo Betioli.
  • Almeida, Fernanda Simões de; Universidade de São Paulo. Faculdade de Medicina de Ribeirão Preto. Departamento de Genética. São Paulo. BR
  • Sodré, Leda Maria Koelblinger; Universidade Estadual de Londrina. Departamento de Biologia Geral. Londrina. BR
  • Contel, Eucleia Primo Betioli; Universidade de São Paulo. Faculdade de Medicina de Ribeirão Preto. Departamento de Genética. São Paulo. BR
Genet. mol. biol ; 26(3): 301-305, 2003. ilus, tab
Article in English | LILACS | ID: lil-346320
RESUMO
Pimelodus maculatus populations from the Tietê and Paranapanema rivers were sampled and had their genetic structure analyzed by using RAPD markers, with the aim of contributing to future conservation studies. The proportion of polymorphic loci was greater than 50 percent in the populations of both rivers. Genetic diversity data showed that, in spite of its nine hydroelectric plants, the Tietê river population was genetically homogeneous, whereas the Paranapanema river population was structured. This might be due to the presence of high waterfalls distributed all along its course. These data may serve as indicators for future conservation studies on the Tietê and Paranapanema rivers
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Full text: Available Index: LILACS (Americas) Main subject: Genetic Variation / Random Amplified Polymorphic DNA Technique / Fishes Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Genet. mol. biol Journal subject: Genetics Year: 2003 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Londrina/BR / Universidade de São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Genetic Variation / Random Amplified Polymorphic DNA Technique / Fishes Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Genet. mol. biol Journal subject: Genetics Year: 2003 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Londrina/BR / Universidade de São Paulo/BR