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Phylogenomics Revives Traditional Views on Deep Animal Relationships
Molecular phylogeny of Demospongiae: implications for classification and scenarios of character evolution.
Sponge paraphyly and the origin of Metazoa
- C. Borchiellini, M. Manuel, E. Alivon, N. Boury‐Esnault, J. Vacelet, Y. Le Parco
- BiologyJournal of Evolutionary Biology
- 1 January 2001
The polymerase chain reaction is used to amplify almost the entire nucleic acid sequence of the 18S rDNA from several hexactinellid, demosponge and calcareous sponge species to suggest that sponges are paraphyletic, the Calcarea being more related to monophyletic Eumetazoa than to the siliceous spongees.
Molecular Phylogeny Restores the Supra-Generic Subdivision of Homoscleromorph Sponges (Porifera, Homoscleromorpha)
This study proposes to restore the pre-1995 subdivision of Homoscleromorpha into two families: Plakinidae Schulze, 1880 for spiculate species and Oscarellidae Lendenfeld, 1887 for aspiculate species that had been rejected after the description of the genus Pseudocorticium.
Phylogeny and evolution of calcareous sponges: monophyly of calcinea and calcaronea, high level of morphological homoplasy, and the primitive nature of axial symmetry.
- M. Manuel, C. Borchiellini, E. Alivon, Y. Le Parco, J. Vacelet, N. Boury‐Esnault
- BiologySystematic Biology
- 1 June 2003
The phylogeny implies that characters of the skeleton architecture are highly homoplastic, as areCharacters of the aquiferous system, however, axial symmetry seems to be primitive for all Calcispongia, a conclusion that has potentially far-reaching implications for hypotheses of early body plan evolution in Metazoa.
Deep phylogeny and evolution of sponges (phylum Porifera).
Origin and evolution of the Notch signalling pathway: an overview from eukaryotic genomes
The Notch signalling pathway emerged in Metazoa via a diversity of molecular mechanisms, incorporating both novel and ancient protein domains during eukaryote evolution.
No longer Demospongiae: Homoscleromorpha formal nomination as a fourth class of Porifera
Within the currently more widely accepted hypothesis of a monophyletic Porifera, it is formally proposed here to raise Homoscleromorpha to the class rank (the fourth one), following the PhyloCode.
Phylogenetic analysis of the Hsp70 sequences reveals the monophyly of Metazoa and specific phylogenetic relationships between animals and fungi.
- C. Borchiellini, N. Boury‐Esnault, J. Vacelet, Y. Le Parco
- BiologyMolecular biology and evolution
- 1 June 1998
Almost the entire nucleic acid sequence of cytoplasmic Hsp70 from eight diploblastic species is sequenced, indicating that animals form an extremely robust clade and phylogenetic trees support the monophyly of diploblast animals.
The Homoscleromorph sponge Oscarella lobularis, a promising sponge model in evolutionary and developmental biology
The specific features that make O. lobularis a promising homoscleromorph sponge model for evolutionary and developmental researches are explored.