Document Detail

First molecular phylogeny of the major clades of Pseudoscorpiones (Arthropoda: Chelicerata).
MedLine Citation:
PMID:  18603009     Owner:  NLM     Status:  MEDLINE    
The phylogenetic relationships of the major lineages of the arachnid order Pseudoscorpiones are investigated for the first time using molecular sequence data from two nuclear ribosomal genes and one mitochondrial protein-encoding gene. The data were analyzed using a dynamic homology approach with the new program POY v.4 under parsimony as the optimality criterion. The data show monophyly of Pseudoscorpiones as well as many of its superfamilies (Feaelloidea, Chthonioidea, Cheiridioidea and Sternophoroidea), but not for Neobisiodea or Garypoidea. Cheliferoidea was not monophyletic either due to the position of Neochelanops, which grouped with some garypoids. In all the analyses, Feaelloidea constituted the sister group to all other pseudoscorpions; Chthonioidea is the sister group to the remaining families, which constitute the group Iocheirata sensu Harvey--a clade including pseudoscorpions with venom glands within the pedipalpal fingers. This phylogenetic pattern suggests that venom glands evolved just once within this order of arachnids.
Jérôme Murienne; Mark S Harvey; Gonzalo Giribet
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.     Date:  2008-06-17
Journal Detail:
Title:  Molecular phylogenetics and evolution     Volume:  49     ISSN:  1095-9513     ISO Abbreviation:  Mol. Phylogenet. Evol.     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-10-16     Completed Date:  2008-11-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9304400     Medline TA:  Mol Phylogenet Evol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  170-84     Citation Subset:  IM    
Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, USA.
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MeSH Terms
Arachnida / classification*,  genetics*
DNA, Mitochondrial / genetics
DNA, Ribosomal / genetics
Electron Transport Complex IV / genetics
Evolution, Molecular
Genes, Mitochondrial
Genes, rRNA
Mitochondria / genetics
RNA, Ribosomal, 16S / genetics
RNA, Ribosomal, 18S / genetics
Sequence Analysis, DNA
Reg. No./Substance:
0/DNA, Mitochondrial; 0/DNA, Ribosomal; 0/RNA, Ribosomal, 16S; 0/RNA, Ribosomal, 18S; EC Transport Complex IV

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