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Molecular differentiation of two vicariant neotropical tree species, Plathymenia foliolosa and P. reticulata (Mimosoideae), inferred using RAPD markers

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Abstract.

 Plathymenia foliolosa and P. reticulata are two tropical tree species economically important for their high quality wood. P. foliolosa occurs mainly in areas of Atlantic Forest (a tropical forest) whereas P. reticulata occurs mainly in the Cerrado region (a savanna vegetation), both Brazilian biomes classified as hotspots for conservation priorities. In the present study RAPD markers were used to differentiate P. foliolosa from the vicariant species P. reticulata. Using 10 random primers it was possible to obtain 84 markers, of which 22 (26.2%) were present in just one of the two species. Nine of the ten primers were successful in discriminating between the species through the detection of diagnostic markers or band frequency differences. One of the populations of P. foliolosa, located in a region where the two species co-occur, presented several markers that were characteristic of P. reticulata, suggesting the occurrence of gene flow between the two species.

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Authors and Affiliations

  1. Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brasil, , , , , , BR

    D. R. Lacerda, M. D. P.  & M. B. Lovato

  2. Departamento de Botânica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brasil, , , , , , BR

    J. P. Lemos

Authors
  1. D. R. Lacerda
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  2. J. P. Lemos
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  3. M. D. P.
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  4. M. B. Lovato
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Received September 3, 2001; accepted August 19, 2002 Published online: November 22, 2002

Addresses of the authors: Daniela Rodrigues Lacerda (dlacerda@dedalus.lcc.ufmg.br), Maria Bernadete Lovato (lovatomb@icb.ufmg.br), Maria Dolores Porto Acedo (acedomd@icb.ufmg.br), Dept. Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, CP: 486, Belo Horizonte, MG, 31270-901, Brasil. José Pires de Lemos Filho (lemos@icb.ufmg.br), Dept. Botânica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, CP: 486, Belo Horizonte, MG, 31270-901, Brasil.

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Lacerda, D., Lemos, J., P. , M. et al. Molecular differentiation of two vicariant neotropical tree species, Plathymenia foliolosa and P. reticulata (Mimosoideae), inferred using RAPD markers. Plant Syst. Evol. 235, 67–77 (2002). https://doi.org/10.1007/s00606-002-0227-8

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  • DOI: https://doi.org/10.1007/s00606-002-0227-8

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