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Author |
Wallner, B.; Brem, G.; Muller, M.; Achmann, R. |
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Title |
Fixed nucleotide differences on the Y chromosome indicate clear divergence between Equus przewalskii and Equus caballus |
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Journal Article |
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Year |
2003 |
Publication |
Animal Genetics |
Abbreviated Journal |
Anim Genet |
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Volume |
34 |
Issue |
6 |
Pages |
453-456 |
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Keywords |
Animals; Base Sequence; DNA, Mitochondrial/genetics; Genetic Variation/*genetics; Horses/classification/*genetics; Male; Molecular Sequence Data; Phylogeny; Probability; Species Specificity; Y Chromosome/*genetics |
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Abstract |
The phylogenetic relationship between Equus przewalskii and E. caballus is often a matter of debate. Although these taxa have different chromosome numbers, they do not form monophyletic clades in a phylogenetic tree based on mtDNA sequences. Here we report sequence variation from five newly identified Y chromosome regions of the horse. Two fixed nucleotide differences on the Y chromosome clearly display Przewalski's horse and domestic horse as sister taxa. At both positions the Przewalski's horse haplotype shows the ancestral state, in common with the members of the zebra/ass lineage. We discuss the factors that may have led to the differences in mtDNA and Y-chromosomal observations. |
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Institut fur Tierzucht und Genetik, Veterinarmedizinische Universitat Wien, Veterinarplatz, Wien, Austria. wallner@i122server.vu-wien.ac.at |
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English |
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0268-9146 |
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PMID:14687077 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5038 |
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Author |
Lemasson, A.; Koda, H.; Kato, A.; Oyakawa, C.; Blois-Heulin, C.; Masataka, N. |
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Title |
Influence of sound specificity and familiarity on Japanese macaques' (Macaca fuscata) auditory laterality |
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Journal Article |
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Year |
2010 |
Publication |
Behavioural Brain Research |
Abbreviated Journal |
Behav. Brain. Res. |
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Volume |
208 |
Issue |
1 |
Pages |
286-289 |
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Keywords |
Auditory processing; Hemispheric specialisation; Specificity; Familiarity; Head-turn paradigm; Macaque |
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Abstract |
Despite attempts to generalise the left hemisphere-speech association of humans to animal communication, the debate remains open. More studies on primates are needed to explore the potential effects of sound specificity and familiarity. Familiar and non-familiar nonhuman primate contact calls, bird calls and non-biological sounds were broadcast to Japanese macaques. Macaques turned their heads preferentially towards the left (right hemisphere) when hearing conspecific or familiar primates supporting hemispheric specialisation. Our results support the role of experience in brain organisation and the importance of social factors to understand laterality evolution. |
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0166-4328 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5081 |
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Author |
Harland, M.M.; Stewart, A.J.; Marshall, A.E.; Belknap, E.B. |
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Title |
Diagnosis of deafness in a horse by brainstem auditory evoked potential |
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Journal Article |
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Year |
2006 |
Publication |
The Canadian Veterinary Journal. La Revue Veterinaire Canadienne |
Abbreviated Journal |
Can Vet J |
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Volume |
47 |
Issue |
2 |
Pages |
151-154 |
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Keywords |
Acoustic Stimulation/veterinary; Animals; Deafness/congenital/diagnosis/*veterinary; Evoked Potentials, Auditory, Brain Stem/*physiology; Horse Diseases/congenital/*diagnosis; Horses; Male; Pigmentation/physiology; Sensitivity and Specificity |
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Abstract |
Deafness was confirmed in a blue-eyed, 3-year-old, overo paint horse by brainstem auditory evoked potential. Congenital inherited deafness associated with lack of facial pigmentation was suspected. Assessment of hearing should be considered, especially in paint horses, at the time of pre-purchase examination. Brainstem auditory evoked potential assessment is well tolerated and accurate. |
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Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Wire Road, Auburn, Alabama, USA |
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0008-5286 |
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PMID:16579041 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5680 |
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