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Morphological and mitochondrial DNA divergence validates blackmouth, Galeus melastomus, and Atlantic sawtail catsharks, Galeus atlanticus, as separate species

2007Journal article Restricted access
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dc.contributor.authorCastilho, Rita
dc.contributor.authorFreitas, M.
dc.contributor.authorSilva, Gabriela
dc.contributor.authorFernandez-Carvalho, Joana
dc.contributor.authorCoelho, R.
dc.date.accessioned2014-05-27T11:15:51Z
dc.date.available2014-05-27T11:15:51Z
dc.date.issued2007
dc.date.updated2014-05-16T10:52:15Z
dc.description.abstractA total of 60 morphometric traits and nucleotide sequences of the entire mtDNA NADH dehydrogenase subunit 2 (ND2) gene [1047 base pair (bp)] in 23 individuals of blackmouth, Galeus melastomus, and 13 individuals of sawtail catsharks, Galeus atlanticus, caught in Southern Portugal, were examined to test the validity of these two taxa. These sharks closely resemble each other, have overlapping geographical ranges and are difficult to identify by morphological characters. Non-metric multidimensional scaling of morphometric variables indicates a clear separation between the two species, with 10 characters each contributing 2 12–2 45% of the total variability between species. Maximum likelihood, parsimony and neighbour-joining trees revealed two major mtDNA haplotype clades, corresponding to the two species, with an average corrected sequence divergence between them of 3.39 +- 0.56%. Within species divergences between haplotypes averaged 0.27 +- 0.18% in G. melastomus and 0.12 +- 0.08% in G. atlanticus. A total of 35 diagnostic nucleotide site differences and four restriction fragment length polymorphism recognition sites in the ND2 gene can be used to distinguish the two species.por
dc.identifier.citationCastilho, Rita; Freitas, M; Silva, G; Fernandez-Carvalho, J; Coelho, R. Morphological and mitochondrial DNA divergence validates blackmouth, Galeus melastomus, and Atlantic sawtail catsharks, Galeus atlanticus, as separate species, Morphological and mitochondrial DNA divergence validates blackmouth, Galeus melastomus, and Atlantic sawtail catsharks, Galeus atlanticus, as separate species, Journal of Fish Biology, 70, Suppleme C, 346-358, 2007.por
dc.identifier.doihttp://dx.doi.org/10.1111/j.1095-8649.2007.01455.x
dc.identifier.issn0022-1112
dc.identifier.otherAUT: RCA00270; AFR00371
dc.identifier.urihttp://hdl.handle.net/10400.1/4086
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherWileypor
dc.relation.publisherversionhttp://www.blackwell-synergy.compor
dc.subjectCatsharkspor
dc.subjectDelimiting speciespor
dc.subjectElasmobranchpor
dc.subjectMitochondrial DNApor
dc.subjectND2 genepor
dc.subjectmt DNApor
dc.titleMorphological and mitochondrial DNA divergence validates blackmouth, Galeus melastomus, and Atlantic sawtail catsharks, Galeus atlanticus, as separate speciespor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage358por
oaire.citation.issueSupl. Cpor
oaire.citation.startPage346por
oaire.citation.titleJournal of Fish Biologypor
oaire.citation.volume70por
person.familyNameCastilho
person.familyNameSilva
person.familyNameCoelho
person.givenNameRita
person.givenNameGabriela
person.givenNameRui
person.identifier452212
person.identifier134638
person.identifier.ciencia-id0513-0407-A6C1
person.identifier.ciencia-idDC1E-F164-FDD9
person.identifier.ciencia-idDC1A-20B7-EAC0
person.identifier.orcid0000-0003-0727-3688
person.identifier.orcid0000-0001-5946-1918
person.identifier.orcid0000-0003-3813-5157
person.identifier.ridB-6185-2008
person.identifier.ridF-4409-2012
person.identifier.ridC-1163-2008
person.identifier.scopus-author-id56271196600
person.identifier.scopus-author-id7101647767
person.identifier.scopus-author-id56257111100
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication051f68ec-18e0-4008-b06d-bf4b996fa098
relation.isAuthorOfPublication6e56eaba-fa8c-4d24-9f54-008c266c1c4b
relation.isAuthorOfPublication6366aa1b-1301-43a3-b2b0-1280311ac95f
relation.isAuthorOfPublication.latestForDiscovery6366aa1b-1301-43a3-b2b0-1280311ac95f

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