Journal article
Extensive cryptic species diversity and fine-scale endemism in the marine red alga Portieria in the Philippines
DA Payo, F Leliaert, H Verbruggen, S D'hondt, HP Calumpong, O De Clerck
Proceedings of the Royal Society B Biological Sciences | Published : 2013
Abstract
We investigated species diversity and distribution patterns of the marine red alga Portieria in the Philippine archipelago. Species boundaries were tested based on mitochondrial, plastid and nuclear encoded loci, using a general mixed Yule-coalescent (GMYC) model-based approach and a Bayesian multilocus species delimitation method. The outcome of the GMYC analysis of the mitochondrial encoded cox2-3 dataset was highly congruent with the multilocus analysis. In stark contrast with the current morphology-based assumption that the genus includes a single, widely distributed species in the Indo-West Pacific (Portieria hornemannii), DNA-based species delimitation resulted in the recognition of 21..
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Funding Acknowledgements
We thank A. Bucol, A. Candido, J. Lucanas, R. Ladiao, D. G. Payo and W. Villaver for field sampling assistance, David Burdick for kindly providing an underwater photograph of Portieria, and two anonymous reviewers for helpful comments on the manuscript. This research was funded by the Flemish Interuniversity Council (PhD grant to D. A. P.), the Belgian Focal Point to the Global Taxonomy Initiative, the Research Foundation, Flanders (post-doctoral grant to F. L.) and the Australian Research Council (FT110100585).