Hidden diversity in high-latitude Southern Hemisphere environments : Reinstatement of the genus Rama and description of Vandenhoekia gen. nov. (Cladophoraceae, Ulvophyceae, Chlorophyta), two highly variable genera

© 2023 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), 6 vom: 18. Dez., Seite 1284-1298
1. Verfasser: Boedeker, Christian (VerfasserIn)
Weitere Verfasser: Wynne, Michael J, Zuccarello, Giuseppe C
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Chile Cladophorales New Zealand Southern Ocean biogeography phylogeny rDNA sequences taxonomy DNA, Ribosomal
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245 1 0 |a Hidden diversity in high-latitude Southern Hemisphere environments  |b Reinstatement of the genus Rama and description of Vandenhoekia gen. nov. (Cladophoraceae, Ulvophyceae, Chlorophyta), two highly variable genera 
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500 |a Date Completed 06.12.2023 
500 |a Date Revised 15.04.2024 
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500 |a Citation Status MEDLINE 
520 |a © 2023 The Authors. Journal of Phycology published by Wiley Periodicals LLC on behalf of Phycological Society of America. 
520 |a The continental coasts and remote islands in the high-latitude Southern Hemisphere, including the subantarctic region, are characterized by many endemic species, high abundance of taxa, and intermediate levels of biodiversity. The macroalgal flora of these locations has received relatively little attention. Filamentous green algae are prolific in the intertidal of southern islands, but the taxonomy, distribution, and evolutionary history of these taxa are yet to be fully explored, mostly due to the difficulty of access to some of these locations. In this study, we examined specimens of the order Cladophorales from various locations in the high-latitude Southern Hemisphere including the subantarctic (the Auckland Islands, Bounty Islands, Campbell Island, Macquarie Island, and Kerguelen Islands), as well as mainland New Zealand, the Chatham Islands, Chile, and Tasmania. The analyses of the rDNA sequences of the samples revealed the existence of two new clades in a phylogeny of the Cladophoraceae. One of these clades is described as the novel genus Vandenhoekia gen. nov., which contains three species that are branched or unbranched. The amended genus Rama is reinstated to accommodate the other clade, and contains four species, including the Northern Hemisphere "Cladophora rupestris." In Rama both branched and unbranched morphologies are found. It is remarkable that gross morphology is not a predictor for generic affiliations in these algae. This study illustrates that much can still be learned about diversity in the Cladophorales and highlights the importance of new collections, especially in novel locations 
650 4 |a Journal Article 
650 4 |a Chile 
650 4 |a Cladophorales 
650 4 |a New Zealand 
650 4 |a Southern Ocean 
650 4 |a biogeography 
650 4 |a phylogeny 
650 4 |a rDNA sequences 
650 4 |a taxonomy 
650 7 |a DNA, Ribosomal  |2 NLM 
700 1 |a Wynne, Michael J  |e verfasserin  |4 aut 
700 1 |a Zuccarello, Giuseppe C  |e verfasserin  |4 aut 
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