PHYLOGENETIC ANALYSIS OF PSEUDOCHLORODESMIS STRAINS REVEALS CRYPTIC DIVERSITY ABOVE THE FAMILY LEVEL IN THE SIPHONOUS GREEN ALGAE (BRYOPSIDALES, CHLOROPHYTA)(1)

© 2009 Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 45(2009), 3 vom: 01. Juni, Seite 726-31
1. Verfasser: Verbruggen, Heroen (VerfasserIn)
Weitere Verfasser: Vlaeminck, Caroline, Sauvage, Thomas, Sherwood, Alison R, Leliaert, Frederik, De Clerck, Olivier
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Botryodesmis Bryopsidales Pseudochlorodesmis Siphonogramen cryptic diversity molecular phylogenetics thallus complexity
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245 1 0 |a PHYLOGENETIC ANALYSIS OF PSEUDOCHLORODESMIS STRAINS REVEALS CRYPTIC DIVERSITY ABOVE THE FAMILY LEVEL IN THE SIPHONOUS GREEN ALGAE (BRYOPSIDALES, CHLOROPHYTA)(1) 
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520 |a The genus Pseudochlorodesmis (Bryopsidales) is composed of diminutive siphons of extreme morphological simplicity. The discovery of Pseudochlorodesmis-like juveniles in more complex Bryopsidales (e.g., the Halimeda microthallus stage) jeopardized the recognition of this genus. Confronted with this uncertainty, taxonomists transferred many simple siphons into a new genus, Siphonogramen. In this study, we used a multimarker approach to clarify the phylogenetic and taxonomic affinities of the Pseudochlorodesmis-Siphonogramen (PS) complex within the more morphologically complex bryopsidalean taxa. Our analyses reveal a new layer of diversity largely distinct from the lineages containing the structurally complex genera. The PS complex shows profound cryptic diversity exceeding the family level. We discuss a potential link between thallus complexity and the prevalence and profundity of cryptic diversity. For taxonomic simplicity and as a first step toward clarifying the taxonomy of these simple siphons, we propose to maintain Pseudochlorodesmis as a form genus and subsume Siphonogramen and Botryodesmis therein 
650 4 |a Journal Article 
650 4 |a Botryodesmis 
650 4 |a Bryopsidales 
650 4 |a Pseudochlorodesmis 
650 4 |a Siphonogramen 
650 4 |a cryptic diversity 
650 4 |a molecular phylogenetics 
650 4 |a thallus complexity 
700 1 |a Vlaeminck, Caroline  |e verfasserin  |4 aut 
700 1 |a Sauvage, Thomas  |e verfasserin  |4 aut 
700 1 |a Sherwood, Alison R  |e verfasserin  |4 aut 
700 1 |a Leliaert, Frederik  |e verfasserin  |4 aut 
700 1 |a De Clerck, Olivier  |e verfasserin  |4 aut 
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773 1 8 |g volume:45  |g year:2009  |g number:3  |g day:01  |g month:06  |g pages:726-31 
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