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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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The zebrafish onecut gene hnf-6 functions in an evolutionarily conserved genetic pathway that regulates vertebrate biliary development.

Targeted disruption of the onecut transcription factor, hnf-6, alters mammalian biliary system development. We have identified a related zebrafish cDNA expressed in the developing liver that is a functional ortholog of mammalian hnf-6. Antisense-mediated knockdown of zebrafish hnf-6 perturbs development of the intrahepatic biliary system. Knockdown of zebrafish hnf-6 alters expression of vhnf1 and the zebrafish orthologs of other mammalian genes regulated by hnf-6. Coinjection of mRNA encoding zebrafish vhnf1 rescues the biliary phenotype of hnf-6 morphants. These experiments strongly suggest that hnf-6 and vhnf1 function within an evolutionarily conserved pathway that regulates biliary development. Forced expression of either hnf-6 or vhnf1 also produces biliary phenotypes. Altered bile duct development in both loss- and gain-of-function experiments suggests that zebrafish biliary cells are sensitive to the dosage of hnf-6-mediated gene transcription.[1]

References

  1. The zebrafish onecut gene hnf-6 functions in an evolutionarily conserved genetic pathway that regulates vertebrate biliary development. Matthews, R.P., Lorent, K., Russo, P., Pack, M. Dev. Biol. (2004) [Pubmed]
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