The structural and functional diversification of the Toxicofera reptile venom system
Identifieur interne : 005821 ( Main/Exploration ); précédent : 005820; suivant : 005822The structural and functional diversification of the Toxicofera reptile venom system
Auteurs : Bryan G. Fry [Australie] ; Nicholas R. Casewell [Royaume-Uni] ; Wolfgang Wüster [Royaume-Uni] ; Nicolas Vidal [France] ; Bruce Young [États-Unis] ; Timothy N. W. Jackson [Australie]Source :
- Toxicon : (Oxford) [ 0041-0101 ] ; 2012.
Descripteurs français
- Pascal (Inist)
English descriptors
Abstract
The evolutionary origin and diversification of the reptilian venom system is described. The resolution of higher-order molecular phylogenetics has clearly established that a venom system is ancestral to snakes. The diversification of the venom system within lizards is discussed, as is the role of venom delivery in the behavioural ecology of these taxa (particularly Varanus komodoensis). The more extensive diversification of the venom system in snakes is summarised, including its loss in some clades. Finally, we discuss the contentious issue of a definition for "venom", supporting an evolutionary definition that recognises the homology of both the venom delivery systems and the toxins themselves.
Affiliations:
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The resolution of higher-order molecular phylogenetics has clearly established that a venom system is ancestral to snakes. The diversification of the venom system within lizards is discussed, as is the role of venom delivery in the behavioural ecology of these taxa (particularly Varanus komodoensis). The more extensive diversification of the venom system in snakes is summarised, including its loss in some clades. Finally, we discuss the contentious issue of a definition for "venom", supporting an evolutionary definition that recognises the homology of both the venom delivery systems and the toxins themselves.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li><li>Royaume-Uni</li><li>États-Unis</li></country><region><li>Île-de-France</li></region><settlement><li>Paris</li></settlement></list><tree><country name="Australie"><noRegion><name sortKey="Fry, Bryan G" sort="Fry, Bryan G" uniqKey="Fry B" first="Bryan G." last="Fry">Bryan G. Fry</name></noRegion><name sortKey="Jackson, Timothy N W" sort="Jackson, Timothy N W" uniqKey="Jackson T" first="Timothy N. W." last="Jackson">Timothy N. W. Jackson</name></country><country name="Royaume-Uni"><noRegion><name sortKey="Casewell, Nicholas R" sort="Casewell, Nicholas R" uniqKey="Casewell N" first="Nicholas R." last="Casewell">Nicholas R. Casewell</name></noRegion><name sortKey="Wuster, Wolfgang" sort="Wuster, Wolfgang" uniqKey="Wuster W" first="Wolfgang" last="Wüster">Wolfgang Wüster</name></country><country name="France"><region name="Île-de-France"><name sortKey="Vidal, Nicolas" sort="Vidal, Nicolas" uniqKey="Vidal N" first="Nicolas" last="Vidal">Nicolas Vidal</name></region></country><country name="États-Unis"><noRegion><name sortKey="Young, Bruce" sort="Young, Bruce" uniqKey="Young B" first="Bruce" last="Young">Bruce Young</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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