Molecular Systematics and Phylogenetics of Gracilariacean Species from the Mediterranean Sea |
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Authors: | G M Gargiulo M Morabito G Genovese F De Masi |
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Institution: | (1) Department of Botanical Sciences, University of Messina, Salita Sperone, 31, S. Agata, 98166 Messina, Italy |
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Abstract: | Mediterranean reports of Gracilariaceae species, in particular those assigned to the G. verrucosa complex, were re-examined with the use of molecular tools, in order to verify their systematic position and better understand their distribution. Within this complex, we recognized four distinct taxa: Gracilariopsis longissima, Gracilaria gracilis, Gracilaria longa and a possible new species. The rbcL gene sequences, together with those of other terete Mediterranean entities, were included in a broad molecular phylogeny of the family. The reproductive characters of the studied taxa do not fit completely with published hypothesis on the generic and intrageneric relationships, suggesting that the anatomy of some subgroups should be better characterized. |
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Keywords: | Gracilariales rbcL gene molecular systematics Mediterranean Sea Rhodophyta phylogeny |
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