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Phylogeny and classification of the Digenea (Platyhelminthes: Trematoda).
Resolving Difficult Phylogenetic Questions: Why More Sequences Are Not Enough
Three recent large-scale phylogenomics studies, which deal with the early diversification of animals, produced highly incongruent findings despite the use of considerable sequence data, suggesting that merely adding more sequences is not enough to resolve the inconsistencies.
Interrelationships and evolution of the tapeworms (Platyhelminthes: Cestoda).
Interrelationships of the tapeworms were examined by use of small (SSU) and large (LSU) subunit ribosomal DNA sequences and morphological characters, finding the LSU data to be more informative than the SSU data and more consistent with inferences from morphology, although nodal support was generally weak for most basal nodes.
Parasite speciation within or between host species?--phylogenetic evidence from site-specific polystome monogeneans.
Added resolution among ordinal level relationships of tapeworms (Platyhelminthes: Cestoda) with complete small and large subunit nuclear ribosomal RNA genes.
A common origin of complex life cycles in parasitic flatworms: evidence from the complete mitochondrial genome of Microcotyle sebastis (Monogenea: Platyhelminthes)
- Joong-Ki Park, Kyu-Heon Kim, Seokha Kang, W. Kim, K. Eom, D. Littlewood
- BiologyBMC Evolutionary Biology
- 2 February 2007
This work confirms that vertebrates were the first host for stem group neodermatans and that the addition of a second, invertebrate, host was a single event occurring in the Trematoda+Cestoda lineage, and supports the hypothesis that the most recent common ancestor of the Neodermata giving rise to the Monogenea adopted vertebrate ectoparasitism as its initial life cycle pattern.
An integrated pipeline for next-generation sequencing and annotation of mitochondrial genomes
A high-throughput sequencing and bioinformatic pipeline for mt genomics is described, which will have implications for the annotation and analysis of other organellar genomes and virus genomes as well as long, contiguous regions in nuclear genomes.
The interrelationships of the echinoderm classes: morphological and molecular evidence
This work has reviewed all available morphological and molecular data, added new data and reanalysed independent data sets individually and in combination, in order to resolve echinoderm class relationships and picks out (outgroup(C(A(O(E,H))))) and (out group(C((A,O),( E,H)))) as the two most plausible phylogenetic hypotheses.
Orders out of chaos--molecular phylogenetics reveals the complexity of shark and stingray tapeworm relationships.
Testing the molecular clock: molecular and paleontological estimates of divergence times in the Echinoidea (Echinodermata).
- A. Smith, D. Pisani, Jacqueline Mackenzie-Dodds, B. Stockley, B. Webster, D. Littlewood
- Geography, Environmental ScienceMolecular biology and evolution
- 1 October 2006
The level of agreement reached between different data and methodological approaches leads us to believe that careful application of likelihood and Bayesian methods to molecular data provides realistic divergence time estimates in the majority of cases, thus providing a remarkably well-calibrated phylogeny of a character-rich clade of ubiquitous marine benthic invertebrates.