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Genetic diversity of two endemic and endangered Plantago species

Ferreira, Vanessa ; Matos, Manuela ; Correia, Sofia ; Martins, Neusa ; Gonçalves, Sandra ; Romano, Anabela ; Pinto-Carnide, Olinda

Biochemical systematics and ecology, 2013-12, Vol.51, p.37-44 [Periódico revisado por pares]

Elsevier Ltd

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  • Título:
    Genetic diversity of two endemic and endangered Plantago species
  • Autor: Ferreira, Vanessa ; Matos, Manuela ; Correia, Sofia ; Martins, Neusa ; Gonçalves, Sandra ; Romano, Anabela ; Pinto-Carnide, Olinda
  • Assuntos: Conservation implications ; Endangered species ; Genetic diversity ; genetic variation ; indigenous species ; microsatellite repeats ; Molecular markers ; Plantago ; random amplified polymorphic DNA technique
  • É parte de: Biochemical systematics and ecology, 2013-12, Vol.51, p.37-44
  • Notas: http://dx.doi.org/10.1016/j.bse.2013.08.003
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  • Descrição: Plantago algarbiensis and Plantago almogravensis are two endangered and endemic species from Portugal. Due to the rarity and endangered nature of these species as well as the lack of molecular data, their genetic variation was evaluated using ISSR and RAPD markers. P. algarbiensis species showed higher genetic variability (73.9% of polymorphism) than P. almogravensis (61.2%). The two species revealed a high level of genetic diversity, with a Nei's genetic diversity of 0.1965 and 0.2309 and a Shannon's diversity index of 0.2975 and 0.3520, for P. almogravensis and P. algarbiensis, respectively. A low level of genetic differentiation was observed (Gst = 0.1873) among the species. However, the cluster and PCA analyses, based on genetic similarity, revealed two main, clearly separate clusters, which directly corresponded to the plants isolated from each species. In situ and ex situ measures should be applied in order to preserve both species but, based on these results, P. almogravensis population should be a priority for conservation. •First genetic study involving Plantago algarbiensis and Plantago almogravensis.•RAPD and ISSR analysis of two endemic and endangered Plantago species from Portugal.•First attempt to uncover the genetic variability and differentiation of these species.•Genetic variation among and within species was evaluated.•All plants were differentiated in two major clusters, each exclusive of a species.
  • Editor: Elsevier Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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