Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/92237
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dc.contributor.authorCatalano, S.en
dc.contributor.authorWhittington, I.en
dc.contributor.authorDonnellan, S.en
dc.contributor.authorBertozzi, T.en
dc.contributor.authorGillanders, B.en
dc.date.issued2015en
dc.identifier.citationParasitology, 2015; 142(8):1066-1079en
dc.identifier.issn0031-1820en
dc.identifier.issn1469-8161en
dc.identifier.urihttp://hdl.handle.net/2440/92237-
dc.description.abstractDicyemids, poorly known parasites of benthic cephalopods, are one of the few phyla in which mitochondrial (mt) genome architecture departs from the typical ~16 kb circular metazoan genome. In addition to a putative circular genome, a series of mt minicircles that each comprises the mt encoded units (I-III) of the cytochrome c oxidase complex have been reported. Whether the structure of the mt minicircles is a consistent feature among dicyemid species is unknown. Here we analyse the complete cytochrome c oxidase subunit I (COI) minicircle molecule, containing the COI gene and an associated non-coding region (NCR), for ten dicyemid species, allowing for first time comparisons between species of minicircle architecture, NCR function and inferences of minicircle replication. Divergence in COI nucleotide sequences between dicyemid species was high (average net divergence = 31·6%) while within species diversity was lower (average net divergence = 0·2%). The NCR and putative 5' section of the COI gene were highly divergent between dicyemid species (average net nucleotide divergence of putative 5' COI section = 61·1%). No tRNA genes were found in the NCR, although palindrome sequences with the potential to form stem-loop structures were identified in some species, which may play a role in transcription or other biological processes.en
dc.description.statementofresponsibilitySarah R. Catalano, Ian D. Whittington, Stephen C. Donnellan, Terry Bertozzi, and Bronwyn M. Gillandersen
dc.language.isoenen
dc.publisherCambridge University Pressen
dc.rights© Cambridge University Press 2015en
dc.subjectDicyemida; mitochondrial DNA; minicircle molecules; cytochrome c oxidase; multi-species phylogenetic comparisons; taxonomic classificationen
dc.titleFirst comparative insight into the architecture of COI mitochondrial minicircle molecules of dicyemids reveals marked inter-species variationen
dc.typeJournal articleen
dc.identifier.rmid0030027574en
dc.identifier.doi10.1017/S0031182015000384en
dc.relation.granthttp://purl.org/au-research/grants/arc/FT100100767en
dc.identifier.pubid183631-
pubs.library.collectionGenetics publicationsen
pubs.library.teamDS12en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Genetics publications

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