Annelids in evolutionary developmental biology and comparative genomics / Mcdougall, C.

Public ISBD Faire une suggestion d'achat Titre : Annelids in evolutionary developmental biology and comparative genomics Type de document : texte imprimé Auteurs : Mcdougall, C., Auteur Importance : pp. 321-328 Langues : Anglais (eng) Index. décimale : 616 Maladies Résumé : Annelids hove had a long history in comparative embryology and morphology, which has helped to establish them in zoology textbooks as on ideal system to understand ihe evolution of the typical Iriploblastic, coelomate, protostome condition. In recent years there has been a relative upsurge in embryological data, particularly with regard lo the expression and function of developmental control genes. Polychaetes, as well as other annelids such as the parasitic leech, are now also entering the age of comparative genomics. All of this comparative data has had an important impact on our views of the ancestral conditions at various levels of ihe animal phylogeny, including the bilaterian anceslor and the nature of the annelid ancestor. Here we review some of the recent advances made in annelid comparative development and genomics, revealing a hitherto unsuspected level of complexity in these ancestors. It is also apparent that the transition to a parasitic lifestyle leads to, or requires, extensive modifications and derivations at bolh the genomic and embryological levels. Annelids in evolutionary developmental biology and comparative genomics [texte imprimé] / Mcdougall, C., Auteur . - [s.d.] . - pp. 321-328. Langues : Anglais (eng) Index. décimale : 616 Maladies Résumé : Annelids hove had a long history in comparative embryology and morphology, which has helped to establish them in zoology textbooks as on ideal system to understand ihe evolution of the typical Iriploblastic, coelomate, protostome condition. In recent years there has been a relative upsurge in embryological data, particularly with regard lo the expression and function of developmental control genes. Polychaetes, as well as other annelids such as the parasitic leech, are now also entering the age of comparative genomics. All of this comparative data has had an important impact on our views of the ancestral conditions at various levels of ihe animal phylogeny, including the bilaterian anceslor and the nature of the annelid ancestor. Here we review some of the recent advances made in annelid comparative development and genomics, revealing a hitherto unsuspected level of complexity in these ancestors. It is also apparent that the transition to a parasitic lifestyle leads to, or requires, extensive modifications and derivations at bolh the genomic and embryological levels.

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