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

Sequencing of canine 5-hydroxytriptamine receptor (5-HTR) 1B, 2A, 2C genes and identification of polymorphisms in the 5-HTR1B gene.

Polymorphisms of human genes encoding 5-hydroxytriptamine (serotonin) receptors (5-HTRs) are thought to be associated with psychiatric disorders and behavioral traits. In the present study, we searched for corresponding polymorphisms in the dog and compared allelic frequencies for the canine 5-HTR1B, 5-HTR2A, and 5-HTR2C genes among five canine breeds. The canine genes consisted of the following: 5-HTR1B, 1170 bp; 5-HTR2A, 1413 bp; and 5-HTR2C, 1377 bp. All of these genes were highly homologous with the human genes. We found six single nucleotide polymorphisms (SNPs) in the 5-HTR1B gene (G57A, A157C, G246A, C660G, T955C, and G1146C). Genotyping of the respective SNPs revealed that there were inter-breed variations in the genotypes and allelic frequencies for four out of the six identified SNPs, suggesting that further analyses of the polymorphisms of the 5-HTR1B gene would be useful in order to gain an understanding of the genetic background underlying the diversified behavioral traits among canine species.[1]

References

  1. Sequencing of canine 5-hydroxytriptamine receptor (5-HTR) 1B, 2A, 2C genes and identification of polymorphisms in the 5-HTR1B gene. Masuda, K., Hashizume, C., Ogata, N., Kikusui, T., Takeuchi, Y., Mori, Y. J. Vet. Med. Sci. (2004) [Pubmed]
 
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