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Genetic differentiation of two distinct chemotypes of Ferula communis (Apiaceae) in Sardinia (Italy) |
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| Authors: | Annalisa Marchi Giovanni Appendino Ivo Pirisi Mauro Ballero Maria Cecilia Loi |
| Institution: | a Dipartimento di Biologia Sperimentale, Sezione Genetica, Università degli Studi, Viale Poetto 1, I-09126, Cagliari, Italy b DISCAFF, Università del Piemonte Orientale, Viale Ferrucci 33, I-28100, Novara, Italy c Dipartimento Scienze Botaniche, Università degli Studi, Viale Sant’Ignazio 13, I-09123, Cagliari, Italy |
| Abstract: | The giant fennel, Ferula communis L. (Apiaceae) is a circum-Mediterranean species responsible of severe haemorrhagic intoxication of livestock. Electrophoretic analysis of 14 putative enzyme loci was carried out to assess genetic differentiation among poisonous and non-poisonous chemotypes of F. communis in Sardinia. Genetic structuring characterises all the five populations examined. However, differentiation was higher between poisonous and non-poisonous populations (P<0.00001), and was independent from geographic distances, suggesting a reduced gene flow between the two chemotypes. |
| Keywords: | Ferula communis Electrophoretic markers Genetic differentiation Geographical isolation Speciation |
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