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dc.contributor.authorDemetras, Nicholas J.
dc.contributor.authorHogg, Ian D.
dc.contributor.authorBanks, Jonathan C.
dc.contributor.authorAdams, Byron J.
dc.date.accessioned2011-02-24T01:23:45Z
dc.date.available2011-02-24T01:23:45Z
dc.date.issued2010
dc.identifier.citationDemetras, N.J., Hogg, I.D., Banks, J.C. & Adams, B.J. (2010). Latitudinal distribution and mitochondrial DNA (COI) variability of Stereotydeus spp. (Acari: Prostigmata) in Victoria Land and the central Transantarctic Mountains. Antarctic Science, 22(6), 749-756.en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/5094
dc.description.abstractWe examined mitochondrial DNA (COI) variability and distribution of Stereotydeus spp. in Victoria Land and the Transantarctic Mountains, and constructed Neighbour Joining (NJ) and Maximum Likelihood (ML) phylogenetic trees using all publicly available COI sequences for the three Stereotydeus species present (S. belli, S. mollis and S. shoupi). We also included new COI sequences from Miers, Marshall and Garwood valleys in southern Victoria Land (78°S), as well as from the Darwin (79°S) and Beardmore Glacier (83°S) regions. Both NJ and ML methods produced trees which were similar in topology differing only in the placement of the single available S. belli sequence from Cape Hallett (72°S) and a S. mollis haplotype from Miers Valley. Pairwise sequence divergences among species ranged from 9.5–18.1%. NJ and ML grouped S. shoupi from the Beardmore Glacier region as sister to those from the Darwin with pairwise divergences of 8%. These individuals formed a monophyletic clade with high bootstrap support basal to S. mollis and S. belli. Based on these new data, we suggest that the distributional range of S. shoupi extends northward to Darwin Glacier and that a barrier to dispersal for Stereotydeus, and possibly other arthropods, exists immediately to the north of this area.en_NZ
dc.format.mimetypeapplication/pdf
dc.language.isoen
dc.publisherCambridge University Pressen_NZ
dc.relation.urihttp://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=7929598en_NZ
dc.rightsCopyright Antarctic Science Ltd 2010
dc.subjectAntarcticaen_NZ
dc.subjectArthropodaen_NZ
dc.subjectdispersalen_NZ
dc.subjectenvironmental gradientsen_NZ
dc.subjectmitesen_NZ
dc.subjectRoss Dependencyen_NZ
dc.titleLatitudinal distribution and mitochondrial DNA (COI) variability of Stereotydeus spp. (Acari: Prostigmata) in Victoria Land and the central Transantarctic Mountainsen_NZ
dc.typeJournal Articleen_NZ
dc.identifier.doi10.1017/S0954102010000659en_NZ
dc.relation.isPartOfAntarctic Scienceen_NZ
pubs.begin-page749en_NZ
pubs.elements-id35570
pubs.end-page756en_NZ
pubs.issue6en_NZ
pubs.volume22en_NZ


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