Species-delimitation and phylogenetic analyses of some cosmopolitan species of Hypnea (Rhodophyta) reveal synonyms and misapplied names to H. cervicornis, including a new species from Brazil

© 2016 Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 52(2016), 5 vom: 10. Okt., Seite 774-792
1. Verfasser: de Jesus, Priscila Barreto (VerfasserIn)
Weitere Verfasser: Nauer, Fabio, Lyra, Goia de Mattos, Cassano, Valéria, Oliveira, Mariana Cabral, Nunes, José Marcos de Castro, Schnadelbach, Alessandra Selbach
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Hypnea aspera Hypnea flexicaulis Hypnea tenuis Cystocloniaceae single-marker delimitation methods synonymy systematics taxonomy Algal Proteins
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245 1 0 |a Species-delimitation and phylogenetic analyses of some cosmopolitan species of Hypnea (Rhodophyta) reveal synonyms and misapplied names to H. cervicornis, including a new species from Brazil 
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520 |a Hypnea has an intricate nomenclatural history due to a wide pantropical distribution and considerable morphological variation. Recent molecular studies have provided further clarification on the systematics of the genus; however, species of uncertain affinities remain due to flawed taxonomic identification. Detailed analyses coupled with literature review indicated a strong relationship among H. aspera, H. cervicornis, H. flexicaulis, and H. tenuis, suggesting a need for further taxonomic studies. Here, we analyzed sequences from two molecular markers (COI-5P and rbcL) and performed several DNA-based delimitation methods (mBGD, ABGD, SPN, PTP and GMYC). These molecular approaches were contrasted with morphological and phylogenetic evidence from type specimens and/or topotype collections of related species under a conservative approach. Our results demonstrate that H. aspera and H. flexicaulis represent heterotypic synonyms of H. cervicornis and indicate the existence of a misidentified Hypnea species, widely distributed on the Brazilian coast, described here as a new species: H. brasiliensis. Finally, inconsistencies observed among our results based on six different species delimitation methods evidence the need for adequate sampling and marker choice for different methods 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Hypnea aspera 
650 4 |a Hypnea flexicaulis 
650 4 |a Hypnea tenuis 
650 4 |a Cystocloniaceae 
650 4 |a single-marker delimitation methods 
650 4 |a synonymy 
650 4 |a systematics 
650 4 |a taxonomy 
650 7 |a Algal Proteins  |2 NLM 
700 1 |a Nauer, Fabio  |e verfasserin  |4 aut 
700 1 |a Lyra, Goia de Mattos  |e verfasserin  |4 aut 
700 1 |a Cassano, Valéria  |e verfasserin  |4 aut 
700 1 |a Oliveira, Mariana Cabral  |e verfasserin  |4 aut 
700 1 |a Nunes, José Marcos de Castro  |e verfasserin  |4 aut 
700 1 |a Schnadelbach, Alessandra Selbach  |e verfasserin  |4 aut 
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