ABSTRACT The ParaHox gene cluster contains three homeobox genes, Gsx, Xlox and Cdx and has been demonstrated to be an evolutionary sister of the Hox gene cluster. Among deuterostomes the three genes are found in the majority of taxa, whereas among protostomes they have so far been isolated only in the phylum Sipuncula. We report the partial sequences of all three ParaHox genes in the polyplacophoran Nuttallochiton mirandus, the first species of the phylum Mollusca where all ParaHox genes have been isolated. This finding has phylogenetic implications for the phylum Mollusca and for its relationships with the other lophotrochozoan taxa.

All the three ParaHox genes are present in Nuttallochiton mirandus (Mollusca: Polyplacophora): evolutionary considerations / Barucca, Marco; Biscotti, MARIA ASSUNTA; Olmo, Ettore; Canapa, Adriana. - In: JOURNAL OF EXPERIMENTAL ZOOLOGY. PART B, MOLECULAR AND DEVELOPMENTAL EVOLUTION.. - ISSN 1552-5007. - 306B:(2006), pp. 164-167. [10.1002/jez.b.21082]

All the three ParaHox genes are present in Nuttallochiton mirandus (Mollusca: Polyplacophora): evolutionary considerations.

BARUCCA, MARCO;BISCOTTI, MARIA ASSUNTA;OLMO, ETTORE;CANAPA, Adriana
2006-01-01

Abstract

ABSTRACT The ParaHox gene cluster contains three homeobox genes, Gsx, Xlox and Cdx and has been demonstrated to be an evolutionary sister of the Hox gene cluster. Among deuterostomes the three genes are found in the majority of taxa, whereas among protostomes they have so far been isolated only in the phylum Sipuncula. We report the partial sequences of all three ParaHox genes in the polyplacophoran Nuttallochiton mirandus, the first species of the phylum Mollusca where all ParaHox genes have been isolated. This finding has phylogenetic implications for the phylum Mollusca and for its relationships with the other lophotrochozoan taxa.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11566/51694
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