Cryptic speciation and paraphyly in the cosmopolitan bryozoan Electra pilosa—Impact of the Tethys closing on species evolution

is a journal article

Molecular Phylogenetics and Evolution : (2007)
 E Nikulina   R Hanel   P Schafer 

Tags

 Cosmopolitanism   Phylogeography   Paraphyly   Closing of the Tethys Sea   Bryozoa 

Cosmopolitan nature of the marine bryozoan Electra pilosa was studied to clarify geographic structure and to outline evolution and phylogeography of the species. Several local populations from the Northeast Atlantic (North Sea and Baltic Sea), Arctic (Barents Sea and White Sea) and Indo-West Pacific (New Zealand) were compared. In addition, we examined the closely related species E. posidoniae from the Mediterranean Sea. Phylogenetic analysis based on both 16S and 18S rDNA indicate that the Indo-West Pacific E. pilosa is a sister species to the Atlantic-Mediterranean clade, with the latter including the species E. posidoniae and the Atlantic population of E. pilosa. The topology of the phylogenetic tree leads us to conclude that E. pilosa is a paraphyletic species group relative to E. posidoniae, and a molecular dating of its divergence is consistent to geologic events associated with the closure of the Tethys Sea.

Cites 50

Articles cited by this article (note that only articles are online and known to the bioGUID OpenURL resolver will be listed here).
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Taxon/gene matrix

Table lens view of sequences, grouped by taxon and gene feature. Click on accession number to see details for sequence. Note that if more than one sequence exists for the same gene for the same taxon, only one will be displayed here.

Features

Sequence features (such as genes) in this study

 18S rRNA   18S rRNA   16S rRNA   16S rRNA 

Taxa

Taxa sequenced in thius study

 Homo sapiens   Electra pilosa   Electra sp. NZ186   Electra posidonia   Electra crustulenta 

Sequences 25

Sequences cited by this article.

Identifiers

Distribution of object

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Overlapping (3)

Studies in the same area, based on intersecting polygons enclosing all point localities associated with the study. Due to limitations of the underlying database the overlap is calculated using the minimum bounding rectangle, not the actual polygon.
  1. A molecular phylogeny of the genus Gammarus (Crustacea: Amphipoda) based on mitochondrial and nuclear gene sequences
  2. Molecular and morphological evolution of the amphipod radiation of Lake Baikal.
  3. Mitochondrial DNA Variation and the Evolutionary History of Cryptic Gammarus fossarum Types

Taxa in this study

Studies on related taxa (5)

Studies within span off this study, based on the NCBI taxonomy.
  1. The partial mitochondrial genome of the Cephalothrix rufifrons (Nemertea, Palaeonemertea): characterization and implications for the phylogenetic position of Nemertea.
  2. Contrasting patterns of genetic differentiation between endemic and widespread species of fruit bats (Chiroptera: Pteropodidae) in Sulawesi, Indonesia
  3. Ribosomal RNA genes and deuterostome phylogeny revisited: more cyclostomes, elasmobranchs, reptiles, and a brittle star.
  4. Cryptic speciation and paraphyly in the cosmopolitan bryozoan Electra pilosa—Impact of the Tethys closing on species evolution
  5. Global relationships of Bemisia tabaci (Hemiptera: Aleyrodidae) revealed using Bayesian analysis of mitochondrial COI DNA sequences.