Mutations in DMRT3 affect locomotion in horses and spinal circuit function in mice

Lisa S. Andersson, Martin Larhammar, Fatima Memic, Hanna Wootz, Doreen Schwochow, Carl Johan Rubin, Kalicharan Patra, Thorvaldur Arnason, Lisbeth Wellbring, Göran Hjälm, Freyja Imsland, Jessica L. Petersen, Molly E. McCue, James R. Mickelson, Gus Cothran, Nadav Ahituv, Lars Roepstorff, Sofia Mikko, Anna Vallstedt, Gabriella LindgrenLeif Andersson, Klas Kullander

Research output: Contribution to journalArticle

168 Citations (Scopus)

Abstract

Locomotion in mammals relies on a central pattern-generating circuitry of spinal interneurons established during development that coordinates limb movement. These networks produce left-right alternation of limbs as well as coordinated activation of flexor and extensor muscles. Here we show that a premature stop codon in the DMRT3 gene has a major effect on the pattern of locomotion in horses. The mutation is permissive for the ability to perform alternate gaits and has a favourable effect on harness racing performance. Examination of wild-type and Dmrt3-null mice demonstrates that Dmrt3 is expressed in the dI6 subdivision of spinal cord neurons, takes part in neuronal specification within this subdivision, and is critical for the normal development of a coordinated locomotor network controlling limb movements. Our discovery positions Dmrt3 in a pivotal role for configuring the spinal circuits controlling stride in vertebrates. The DMRT3 mutation has had a major effect on the diversification of the domestic horse, as the altered gait characteristics of a number of breeds apparently require this mutation.

Original languageEnglish (US)
Pages (from-to)642-646
Number of pages5
JournalNature
Volume488
Issue number7413
DOIs
StatePublished - Aug 30 2012

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Locomotion
Horses
Extremities
Gait
Mutation
Nonsense Codon
Interneurons
Vertebrates
Mammals
Spinal Cord
Neurons
Muscles
Genes

ASJC Scopus subject areas

  • General

Cite this

Andersson, L. S., Larhammar, M., Memic, F., Wootz, H., Schwochow, D., Rubin, C. J., ... Kullander, K. (2012). Mutations in DMRT3 affect locomotion in horses and spinal circuit function in mice. Nature, 488(7413), 642-646. https://doi.org/10.1038/nature11399

Mutations in DMRT3 affect locomotion in horses and spinal circuit function in mice. / Andersson, Lisa S.; Larhammar, Martin; Memic, Fatima; Wootz, Hanna; Schwochow, Doreen; Rubin, Carl Johan; Patra, Kalicharan; Arnason, Thorvaldur; Wellbring, Lisbeth; Hjälm, Göran; Imsland, Freyja; Petersen, Jessica L.; McCue, Molly E.; Mickelson, James R.; Cothran, Gus; Ahituv, Nadav; Roepstorff, Lars; Mikko, Sofia; Vallstedt, Anna; Lindgren, Gabriella; Andersson, Leif; Kullander, Klas.

In: Nature, Vol. 488, No. 7413, 30.08.2012, p. 642-646.

Research output: Contribution to journalArticle

Andersson, LS, Larhammar, M, Memic, F, Wootz, H, Schwochow, D, Rubin, CJ, Patra, K, Arnason, T, Wellbring, L, Hjälm, G, Imsland, F, Petersen, JL, McCue, ME, Mickelson, JR, Cothran, G, Ahituv, N, Roepstorff, L, Mikko, S, Vallstedt, A, Lindgren, G, Andersson, L & Kullander, K 2012, 'Mutations in DMRT3 affect locomotion in horses and spinal circuit function in mice', Nature, vol. 488, no. 7413, pp. 642-646. https://doi.org/10.1038/nature11399
Andersson LS, Larhammar M, Memic F, Wootz H, Schwochow D, Rubin CJ et al. Mutations in DMRT3 affect locomotion in horses and spinal circuit function in mice. Nature. 2012 Aug 30;488(7413):642-646. https://doi.org/10.1038/nature11399
Andersson, Lisa S. ; Larhammar, Martin ; Memic, Fatima ; Wootz, Hanna ; Schwochow, Doreen ; Rubin, Carl Johan ; Patra, Kalicharan ; Arnason, Thorvaldur ; Wellbring, Lisbeth ; Hjälm, Göran ; Imsland, Freyja ; Petersen, Jessica L. ; McCue, Molly E. ; Mickelson, James R. ; Cothran, Gus ; Ahituv, Nadav ; Roepstorff, Lars ; Mikko, Sofia ; Vallstedt, Anna ; Lindgren, Gabriella ; Andersson, Leif ; Kullander, Klas. / Mutations in DMRT3 affect locomotion in horses and spinal circuit function in mice. In: Nature. 2012 ; Vol. 488, No. 7413. pp. 642-646.
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