Red alga Grateloupia imbricata (Halymeniaceae), a species introduced into the Canary IslandsReport as inadecuate

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Colaborador: García-Jiménez, PilarGeraldino, Paul John L.Robaina Romero, RafaelMing Boo, Sung

???metadata.dc.contributor.other???: Facultad de Ciencias del MarDepartamento de Biología

Materias : Algas rojasCanarias

Fecha de publicación : 2008

Fecha de depósito: 8-oct-2009

Tipo de documento: Artículo

En : Phycological research, v. 56, pp. 166-171



Phycological Research 2008; 56: 166–171 Red alga Grateloupia imbricata (Halymeniaceae), a species introduced into the Canary Islands Pilar García-Jiménez,1 Paul John L.
Geraldino,2 Sung Ming Boo2 and Rafael R.
Robaina1* 1 SUMMARY Specimens of Grateloupia from Gran Canaria in the Canary Islands were used to molecularly ascertain which of the species has been used in physiological and bio-technological experiments.
The rbcL sequence analysis revealed that four out of five analyzed specimens (i.e.
those commonly collected for physiological research) formed a monophyletic clade with G.
imbricata from Korea, Japan, and China, and were quite different from any other species of the genus.
Another sample, which was associated with cage nets used for fish aquaculture, was grouped with G.
lanceolata from Japan, though it appears too early as yet to identify it as such.
This is, thus, proof of a new introduction of a marine macroalga, since G.
imbricata is an Asian species, native to Japan and Korea, in the Canary Islands.
The role of international shipping in the introduction of the species is discussed. Key words: Grateloupia imbricata, introduced species, rbcL, Rhodophyta, the Canary Islands. G.
doryphora in the European Ocean area, since it was difficult to sustain the contention of the probable route by which G.
doryphora was introduced from the southeast Pacific to the European coasts.
Eventually, Gavio and Fredericq (2002) pointed out that Grateloupia turuturu Yamada was the correct name of the specimens from the Atlantic, identified under the name G.
This work by Gavio and Fredericq in 2002 spurred our research team into action, since the Grateloupia ‘doryphora’ used for many physiological experiments in the Canary Islands, might require the corroboration of its actual taxonomic assignation. Molecular markers have helped to assign and re-instate problematic algal species.
The large subunit of the Rubisco (rbcL) has been very commonly used for identi...

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