Mitochondrial DNA sequences of six sturgeon species and phylogenetic relationships within Acipenseridae
Identifieur interne : 000D68 ( Istex/Checkpoint ); précédent : 000D67; suivant : 000D69Mitochondrial DNA sequences of six sturgeon species and phylogenetic relationships within Acipenseridae
Auteurs : J. Tagliavini [Italie] ; F. Conterio [Italie] ; G. Gandolf [Italie] ; F. Fontana [Italie]Source :
- Journal of Applied Ichthyology [ 0175-8659 ] ; 1999-09.
Abstract
Studies on mitochondrial DNA variability amongst six sturgeon species reared in Italian aquaculture plants are reported. Restriction analysis by Rsal of mitochondrial cytochrome b and D‐loop fragments amplified by PCR permitted identification of interspecific variations that would be suitable as markers for species diagnosis. Data obtained by partial sequencing of the cytochrome b gene, analyzed through maximum parsimony, neighbour joining, and UPGMA distance methods, revealed species clusters that support previous morpho‐meristic and geographical data for sturgeon classification into sub‐genera. According to our cluster analysis, the genera Acipenser and Huso are monophyletic. Moreover, these and previous cytogenetic data suggest that three 120‐chromosome species (H. huso, H. dauricus and A. ruthenus) are at the base of sturgeon differentiation, which occurred through two different events of polyploidization.
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DOI: 10.1111/j.1439-0426.1999.tb00198.x
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Tagliavini</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Evolutionary Biology, University of Parma, Via delle Scienze, 43100 Parma</wicri:regionArea><wicri:noRegion>43100 Parma</wicri:noRegion></affiliation></author><author><name sortKey="Conterio, F" sort="Conterio, F" uniqKey="Conterio F" first="F." last="Conterio">F. Conterio</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Evolutionary Biology, University of Parma, Via delle Scienze, 43100 Parma</wicri:regionArea><wicri:noRegion>43100 Parma</wicri:noRegion></affiliation></author><author><name sortKey="Gandolf, G" sort="Gandolf, G" uniqKey="Gandolf G" first="G." last="Gandolf">G. Gandolf</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Evolutionary Biology, University of Parma, Via delle Scienze, 43100 Parma</wicri:regionArea><wicri:noRegion>43100 Parma</wicri:noRegion></affiliation></author><author><name sortKey="Fontana, F" sort="Fontana, F" uniqKey="Fontana F" first="F." last="Fontana">F. Fontana</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Biology, University of Ferrara, Via L. Borsari, 46, 44100 Ferrara</wicri:regionArea><wicri:noRegion>44100 Ferrara</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Applied Ichthyology</title><idno type="ISSN">0175-8659</idno><idno type="eISSN">1439-0426</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="1999-09">1999-09</date><biblScope unit="volume">15</biblScope><biblScope unit="issue">4‐5</biblScope><biblScope unit="page" from="17">17</biblScope><biblScope unit="page" to="22">22</biblScope></imprint><idno type="ISSN">0175-8659</idno></series><idno type="istex">289139C2F5FA6743C4B20A292CAFA5F29216E866</idno><idno type="DOI">10.1111/j.1439-0426.1999.tb00198.x</idno><idno type="ArticleID">JAI17</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0175-8659</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Studies on mitochondrial DNA variability amongst six sturgeon species reared in Italian aquaculture plants are reported. Restriction analysis by Rsal of mitochondrial cytochrome b and D‐loop fragments amplified by PCR permitted identification of interspecific variations that would be suitable as markers for species diagnosis. Data obtained by partial sequencing of the cytochrome b gene, analyzed through maximum parsimony, neighbour joining, and UPGMA distance methods, revealed species clusters that support previous morpho‐meristic and geographical data for sturgeon classification into sub‐genera. According to our cluster analysis, the genera Acipenser and Huso are monophyletic. Moreover, these and previous cytogenetic data suggest that three 120‐chromosome species (H. huso, H. dauricus and A. ruthenus) are at the base of sturgeon differentiation, which occurred through two different events of polyploidization.</div></front></TEI><affiliations><list><country><li>Italie</li></country></list><tree><country name="Italie"><noRegion><name sortKey="Tagliavini, J" sort="Tagliavini, J" uniqKey="Tagliavini J" first="J." last="Tagliavini">J. Tagliavini</name></noRegion><name sortKey="Conterio, F" sort="Conterio, F" uniqKey="Conterio F" first="F." last="Conterio">F. Conterio</name><name sortKey="Fontana, F" sort="Fontana, F" uniqKey="Fontana F" first="F." last="Fontana">F. Fontana</name><name sortKey="Gandolf, G" sort="Gandolf, G" uniqKey="Gandolf G" first="G." last="Gandolf">G. Gandolf</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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