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Statistical Parsimony Networks and Species Assemblages in Cephalotrichid Nemerteans (Nemertea)

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dc.contributor.author Chen, Haixia en
dc.contributor.author Strand, Malin en
dc.contributor.author Norenburg, Jon L. en
dc.contributor.author Sun, Shichun en
dc.contributor.author Kajihara, Hiroshi en
dc.contributor.author Chernyshev, Alexey V. en
dc.contributor.author Maslakova, Svetlana A. en
dc.contributor.author Sundberg, Per en
dc.date.accessioned 2013-09-27T12:27:35Z
dc.date.available 2013-09-27T12:27:35Z
dc.date.issued 2010
dc.identifier.citation Chen, Haixia, Strand, Malin, Norenburg, Jon L., Sun, Shichun, Kajihara, Hiroshi, Chernyshev, Alexey V., Maslakova, Svetlana A., and Sundberg, Per. 2010. "<a href="https://repository.si.edu/handle/10088/21460">Statistical Parsimony Networks and Species Assemblages in Cephalotrichid Nemerteans (Nemertea)</a>." <em>PLoS ONE</em>. 5 (9):e12885. <a href="https://doi.org/10.1371/journal.pone.0012885">https://doi.org/10.1371/journal.pone.0012885</a> en
dc.identifier.issn 1932-6203
dc.identifier.uri http://hdl.handle.net/10088/21460
dc.description.abstract Background <br/>It has been suggested that statistical parsimony network analysis could be used to get an indication of species represented in a set of nucleotide data, and the approach has been used to discuss species boundaries in some taxa. Methodology/Principal Findings <br/>Based on 635 base pairs of the mitochondrial protein-coding gene cytochrome <I>c</I> oxidase I (COI), we analyzed 152 nemertean specimens using statistical parsimony network analysis with the connection probability set to 95%. The analysis revealed 15 distinct networks together with seven singletons. Statistical parsimony yielded three networks supporting the species status of <I>Cephalothrix rufifrons</I>, <I>C. major</I> and <I>C. spiralis</I> as they currently have been delineated by morphological characters and geographical location. Many other networks contained haplotypes from nearby geographical locations. Cladistic structure by maximum likelihood analysis overall supported the network analysis, but indicated a false positive result where subnetworks should have been connected into one network/species. This probably is caused by undersampling of the intraspecific haplotype diversity. Conclusions/Significance <br/>Statistical parsimony network analysis provides a rapid and useful tool for detecting possible undescribed/cryptic species among cephalotrichid nemerteans based on COI gene. It should be combined with phylogenetic analysis to get indications of false positive results, i.e., subnetworks that would have been connected with more extensive haplotype sampling. en
dc.relation.ispartof PLoS ONE en
dc.title Statistical Parsimony Networks and Species Assemblages in Cephalotrichid Nemerteans (Nemertea) en
dc.type Journal Article en
dc.identifier.srbnumber 92611
dc.identifier.doi 10.1371/journal.pone.0012885
rft.jtitle PLoS ONE
rft.volume 5
rft.issue 9
rft.spage e12885
dc.description.SIUnit NMNH en
dc.description.SIUnit NH-Invertebrate Zoology en
dc.citation.spage e12885


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