Phylogenomic analysis of pseudocryptic diversity reveals the new genus Deltalsia (Rhodomelaceae, Rhodophyta)

© 2022 The Authors. Journal of Phycology published by Wiley Periodicals LLC on behalf of Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 59(2023), 1 vom: 11. Feb., Seite 264-276
1. Verfasser: Díaz-Tapia, Pilar (VerfasserIn)
Weitere Verfasser: Rodríguez-Buján, Iván, Maggs, Christine A, Verbruggen, Heroen
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Pterosiphonia Symphyocladiella Ceramiales Pterosiphonieae mitochondrial genomes morphological plasticity new species plastid genomes mehr... pseudocryptic species turf-forming species
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245 1 0 |a Phylogenomic analysis of pseudocryptic diversity reveals the new genus Deltalsia (Rhodomelaceae, Rhodophyta) 
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500 |a Date Revised 15.02.2023 
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500 |a Citation Status MEDLINE 
520 |a © 2022 The Authors. Journal of Phycology published by Wiley Periodicals LLC on behalf of Phycological Society of America. 
520 |a Molecular analyses, in combination with morphological studies, provide invaluable tools for delineating red algal taxa. However, molecular datasets are incomplete and taxonomic revisions are often required once additional species or populations are sequenced. The small red alga Conferva parasitica was described from the British Isles in 1762 and then reported from other parts of Europe. Conferva parasitica was traditionally included in the genus Pterosiphonia (type species P. cloiophylla in Schmitz and Falkenberg 1897), based on its morphological characters, and later transferred to Symphyocladia and finally to Symphyocladiella using molecular data from an Iberian specimen. However, although morphological differences have been observed between specimens of Symphyocladiella parasitica from northern and southern Europe they have yet to be investigated in a phylogenetic context. In this study, we collected specimens from both regions, studied their morphology and analyzed rbcL and cox1 DNA sequences. We determined the phylogenetic position of a British specimen using a phylogenomic approach based on mitochondrial and plastid genomes. Northern and southern European populations attributed to S. parasitica represent different species. Symphyocladiella arecina sp. nov. is proposed for specimens from southern Europe, but British specimens were resolved as a distant sister lineage to the morphologically distinctive Amplisiphonia, so we propose the new genus Deltalsia for this species. Our study highlights the relevance of using materials collected close to the type localities for taxonomic reassessments, and showcases the utility of genome-based phylogenies for resolving classification issues in the red algae 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Pterosiphonia 
650 4 |a Symphyocladiella 
650 4 |a Ceramiales 
650 4 |a Pterosiphonieae 
650 4 |a mitochondrial genomes 
650 4 |a morphological plasticity 
650 4 |a new species 
650 4 |a plastid genomes 
650 4 |a pseudocryptic species 
650 4 |a turf-forming species 
700 1 |a Rodríguez-Buján, Iván  |e verfasserin  |4 aut 
700 1 |a Maggs, Christine A  |e verfasserin  |4 aut 
700 1 |a Verbruggen, Heroen  |e verfasserin  |4 aut 
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