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- ParaHox abstract "The ParaHox gene cluster is an array of homeobox genes from the Gsx, Xlox (Pdx) and Cdx gene families. These genes were first shown to be arranged into a physically-linked chromosomal cluster in amphioxus, an invertebrate with a single member of each of the three gene families. All the ParaHox genes in the amphioxus genome are therefore in the ParaHox gene cluster. In contrast, the human genome has six ParaHox genes (GSX1, GSX2, PDX1, CDX1, CDX2, CDX4), of which three genes (GSX1, PDX1 (=IPF1), CDX2) are physically linked to form a human ParaHox gene cluster on chromosome 13. Mouse has a homologous ParaHox gene cluster on chromosome 5. The other three human ParaHox genes are remnants from duplicated ParaHox gene clusters that were generated in the 2R genome duplications at the base of vertebrate evolution. Some vertebrates, notably chondrichthyan fish and coelacanths, have retained an additional ParaHox gene (PDX2).The ParaHox gene cluster has been proposed to be a paralogue, or evolutionary sister, of the Hox gene cluster; the two gene clusters being descendent from a segmental duplication early in animal evolution, preceding the divergence of cnidarians and bilaterian animals. It has been suggested that an ancient role of the ParaHox gene cluster in bilaterians was the specify or pattern the through-gut, with Gsx patterning the mouth, Xlox (=Pdx) patterning the midgut and Cdx marking the anus. Gene expression and functional data lends tentative support to this hypothesis, although in many animals the roles of the genes have changed in evolution, notably the Gsx gene family which plays a role in brain (not foregut) development in vertebrates.".
- ParaHox wikiPageID "1964502".
- ParaHox wikiPageRevisionID "589707123".
- ParaHox hasPhotoCollection ParaHox.
- ParaHox subject Category:Developmental_genes_and_proteins.
- ParaHox subject Category:Genes.
- ParaHox type Abstraction100002137.
- ParaHox type Arrangement107938773.
- ParaHox type Gene105436752.
- ParaHox type Genes.
- ParaHox type Group100031264.
- ParaHox type Ordering108456993.
- ParaHox type Sequence108459252.
- ParaHox type Series108457976.
- ParaHox comment "The ParaHox gene cluster is an array of homeobox genes from the Gsx, Xlox (Pdx) and Cdx gene families. These genes were first shown to be arranged into a physically-linked chromosomal cluster in amphioxus, an invertebrate with a single member of each of the three gene families. All the ParaHox genes in the amphioxus genome are therefore in the ParaHox gene cluster.".
- ParaHox label "ParaHox".
- ParaHox sameAs m.069fn6.
- ParaHox sameAs Q7133636.
- ParaHox sameAs Q7133636.
- ParaHox sameAs ParaHox.
- ParaHox wasDerivedFrom ParaHox?oldid=589707123.
- ParaHox isPrimaryTopicOf ParaHox.