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

Stable knock-down of vomeronasal receptor genes in transgenic Xenopus tadpoles.

Xenopus V2R (xV2R), a family of G-protein-coupled receptors with seven transmembrane domains, is expressed in the Xenopus vomeronasal organ (VNO). There are six subgroups of xV2R, one of which, xV2RE, is predominantly expressed in the VNO. To understand the function of xV2R during VNO development, we developed a new method to achieve stable siRNA-suppression of the V2RE genes by introducing siRNA expression transgenes into the genomes of unfertilized eggs. We found that some of the derived transgenic tadpoles lacked VNOs and that their olfactory epithelium was fused. With the exception of one tadpole, expression of xV2RE was not detected in morphologically abnormal mutant tadpoles, although the olfactory marker protein and the olfactory receptors were expressed. These results suggest that we successfully produced transgenic tadpoles in which xV2RE expression was stably suppressed by siRNA, and that xV2RE plays a role in the morphogenesis of olfactory organs.[1]

References

  1. Stable knock-down of vomeronasal receptor genes in transgenic Xenopus tadpoles. Kashiwagi, A., Kashiwagi, K., Saito, S., Date-Ito, A., Ichikawa, M., Mori, Y., Hagino-Yamagishi, K. Biochem. Biophys. Res. Commun. (2006) [Pubmed]
 
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