Artículo
Spartina versicolor Fabre: Another case of Spartina trans-Atlantic introduction?
Autor/es | Castillo Segura, Jesús Manuel
![]() ![]() ![]() ![]() ![]() ![]() ![]() Baumel, Alex Rousseau-Gueutin, Mathieu Sapienza-Bianchi, C. Gareil, Agnès Duong, N. Rousseau, H. Ainouche, M. |
Departamento | Universidad de Sevilla. Departamento de Biología Vegetal y Ecología |
Fecha de publicación | 2016-08-01 |
Fecha de depósito | 2023-07-11 |
Publicado en |
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Resumen | Intercontinental introductions are widespread in the genus Spartina, with important ecological and evolutionary consequences. The native or introduced status of Spartina species is then critical with regard to biodiversity ... Intercontinental introductions are widespread in the genus Spartina, with important ecological and evolutionary consequences. The native or introduced status of Spartina species is then critical with regard to biodiversity assessment, especially for vulnerable Mediterranean coastline ecosystems. Spartina versicolor was first recorded in southern France in 1849, then successively in various places on the European and North-African Mediterranean and Atlantic coasts. This species is considered to be either a European native or an invasive species introduced from North America which has a high morphological similarity to the Atlantic American species Spartina patens. We performed extensive sampling of S. versicolor in Europe and North Africa (from natural populations and herbarium collections) and compared these samples to other European and American Spartina species (including S. patens). Chromosome counts were reported for the first time and revealed that S. versicolor is tetraploid (2n = 4x = 40). Phylogenetic analyses based on chloroplast and nuclear ribosomal DNA sequences did not reveal any molecular variation within S. versicolor. In this species, a single haplotype, that is identical to one haplotype of S. patens, was found in the four chloroplast and the nuclear ribosomal ITS regions investigated. In addition, simple sequence repeat markers were used and revealed a low level of genetic diversity within S. versicolor, suggesting that the introduction of S. versicolor occurred from a narrow genetic pool of S. patens from North America. © 2016, Springer International Publishing Switzerland. |
Agencias financiadoras | Région Bretagne European Union Seventh Framework Programme |
Identificador del proyecto | FP7- CIG-2013–2017 Grant 333709
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Cita | Castillo Segura, J.M., Baumel, A., Rousseau-Gueutin, M., Sapienza-Bianchi, C., Gareil, A., Duong, N.,...,Ainouche, M. (2016). Spartina versicolor Fabre: Another case of Spartina trans-Atlantic introduction?. Biological Invasions, 18 (8), 2123-2135. https://doi.org/10.1007/s10530-016-1128-z. |
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