| Records |
| Author |
Houpt, K. A.; Kusonose, R. |
| Title |
Genetic of behaviour |
Type |
Book Chapter |
| Year |
2000 |
Publication |
Genetics of the Horse |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
281-306 |
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Cab Intl |
Place of Publication |
Wallingford Oxfordshire |
Editor |
Bowling,A. T. ; Ruvinsky, A. |
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ISBN |
978-0851994291 |
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| Call Number |
Equine Behaviour @ team @ |
Serial |
5021 |
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| Author |
Oakenfull, E.A.; Lim, H.; Ryder, O. |
| Title |
A survey of equid mitochondrial DNA: Implications for the evolution, genetic diversity and conservation of Equus |
Type |
Journal Article |
| Year |
2000 |
Publication |
Conservation Genetics |
Abbreviated Journal |
Conservat Genet |
| Volume |
1 |
Issue |
4 |
Pages |
341-355 |
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| Abstract |
The evolution, taxonomy and conservation of the genus Equuswere investigated by examining the mitochondrial DNA sequences of thecontrol region and 12S rRNA gene. The phylogenetic analysis of thesesequences provides further evidence that the deepest node in thephylogeny of the extant species is a divergence between twolineages; one leading to the ancestor of modern horses (E.ferus, domestic and przewalskii) and the other to thezebra and ass ancestor, with the later speciation events of the zebrasand asses occurring either as one or more rapid radiations, or withextensive secondary contact after speciation. Examination of the geneticdiversity within species suggested that two of the E. hemionussubspecies (E. h. onager and E. h. kulan) onlyrecently diverged, and perhaps, are insufficiently different to beclassified as separate subspecies. The genetic divergence betweendomestic and wild forms of E. ferus (horse) and E.africanus (African ass) was no greater than expected within anequid species. In E. burchelli (plains zebra) there was anindication of mtDNA divergence between populations increasing withdistance. The implications of these results for equid conservation arediscussed and recommendations are made for conservation action. |
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no |
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Equine Behaviour @ team @ |
Serial |
5039 |
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| Author |
Hedrick, P.W.; Parker, K.M.; Miller, E.L.; Miller, P.S. |
| Title |
Major Histocompatibility Complex Variation in the Endangered Przewalski's Horse |
Type |
Journal Article |
| Year |
1999 |
Publication |
Genetics |
Abbreviated Journal |
Genetics |
| Volume |
152 |
Issue |
4 |
Pages |
1701-1710 |
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| Abstract |
The major histocompatibility complex (MHC) is a fundamental part of the vertebrate immune system, and the high variability in many MHC genes is thought to play an essential role in recognition of parasites. The Przewalski's horse is extinct in the wild and all the living individuals descend from 13 founders, most of whom were captured around the turn of the century. One of the primary genetic concerns in endangered species is whether they have ample adaptive variation to respond to novel selective factors. In examining 14 Przewalski's horses that are broadly representative of the living animals, we found six different class II DRB major histocompatibility sequences. The sequences showed extensive nonsynonymous variation, concentrated in the putative antigen-binding sites, and little synonymous variation. Individuals had from two to four sequences as determined by single-stranded conformation polymorphism (SSCP) analysis. On the basis of the SSCP data, phylogenetic analysis of the nucleotide sequences, and segregation in a family group, we conclude that four of these sequences are from one gene (although one sequence codes for a nonfunctional allele because it contains a stop codon) and two other sequences are from another gene. The position of the stop codon is at the same amino-acid position as in a closely related sequence from the domestic horse. Because other organisms have extensive variation at homologous loci, the Przewalski's horse may have quite low variation in this important adaptive region. N1 - |
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Equine Behaviour @ team @ |
Serial |
5043 |
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| Author |
Plumer, L.; Talvi, T.; Männil, P.; Saarma, U. |
| Title |
Assessing the roles of wolves and dogs in livestock predation with suggestions for mitigating human-wildlife conflict and conservation of wolves |
Type |
Journal Article |
| Year |
2018 |
Publication |
Conservation Genetics |
Abbreviated Journal |
Conservat. Genet. |
| Volume |
19 |
Issue |
3 |
Pages |
665-672 |
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| Abstract |
Predation on livestock is a cause of serious and long-lasting conflict between farmers and wildlife, promoting negative public attitudes and endangering conservation of large carnivores. However, while large carnivores, especially the grey wolf (Canis lupus), are often blamed for killing sheep and other farm animals, free-ranging dogs may also act as predators. To develop appropriate measures for livestock protection, reliable methods for identifying predator species are critical. Identification of predators from visual examination of livestock wounds can be ambiguous and genetic analysis is strongly preferable for accurate species determination. To estimate the proportion of wolves and dogs implicated in sheep predation, we developed a sensitive genetic assay to distinguish between wolves and domestic dogs. A total of 183 predator saliva samples collected from killed sheep in Estonia were analysed. The assay identified the predator species in 143 cases (78%). Sheep were most often killed by wolves (81%); however, predation by dogs was substantial (15%). We compared the molecular results with field observations conducted by local environmental officials and recorded some disagreement, with the latter underestimating the role of dogs. As predator saliva samples collected from prey are often of poor quality, we suggest using mitochondrial DNA as a primary tool to maximise the number of successfully analysed samples. We also suggest adopting forensic DNA analysis more widely in livestock predation assessments as a legislative measure since misidentification that is biased against wolves can be counterproductive for conservation by enhancing conflict with society and leading to increased culling and poaching. |
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1572-9737 |
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no |
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Equine Behaviour @ team @ Plumer2018 |
Serial |
6509 |
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Murphy, M.A.; Waits, L.P.; Kendall, K.C.; Wasser, S.K.; Higbee, J.A.; Bogden, R. |
| Title |
An evaluation of long-term preservation methods for brown bear (Ursus arctos) faecal DNA samples |
Type |
Journal Article |
| Year |
2002 |
Publication |
Conservation Genetics |
Abbreviated Journal |
Conservat. Genet. |
| Volume |
3 |
Issue |
4 |
Pages |
435-440 |
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| Abstract |
Relatively few large-scale faecal DNA studieshave been initiated due to difficulties inamplifying low quality and quantity DNAtemplate. To improve brown bear faecal DNA PCRamplification success rates and to determinepost collection sample longevity, fivepreservation methods were evaluated: 90%ethanol, DETs buffer, silica-dried, oven-driedstored at room temperature, and oven-driedstored at -20 °C. Preservationeffectiveness was evaluated for 50 faecalsamples by PCR amplification of a mitochondrialDNA (mtDNA) locus (~146 bp) and a nuclear DNA(nDNA) locus (~200 bp) at time points of oneweek, one month, three months and six months. Preservation method and storage timesignificantly impacted mtDNA and nDNAamplification success rates. For mtDNA, allpreservation methods had >= 75% success atone week, but storage time had a significantimpact on the effectiveness of the silicapreservation method. Ethanol preserved sampleshad the highest success rates for both mtDNA(86.5%) and nDNA (84%). Nuclear DNAamplification success rates ranged from 26-88%, and storage time had a significant impacton all methods but ethanol. Preservationmethod and storage time should be importantconsiderations for researchers planningprojects utilizing faecal DNA. We recommendpreservation of faecal samples in 90% ethanolwhen feasible, although when collecting inremote field conditions or for both DNA andhormone assays a dry collection method may beadvantageous. |
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1572-9737 |
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no |
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Equine Behaviour @ team @ Murphy2002 |
Serial |
6574 |
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| Author |
Ishida, N.; Hirano, T.; Mukoyama, H. |
| Title |
Detection of aberrant alleles in the D-loop region of equine mitochondrial DNA by single-strand conformation polymorphism (SSCP) analysis |
Type |
Journal Article |
| Year |
1994 |
Publication |
Animal Genetics |
Abbreviated Journal |
Anim Genet |
| Volume |
25 |
Issue |
4 |
Pages |
287 |
| Keywords |
*Alleles; Animals; Base Sequence; *DNA, Mitochondrial; DNA, Single-Stranded/genetics; Female; Gene Frequency; Genomic Imprinting; Horses/*genetics; Male; Molecular Sequence Data; Pedigree; *Polymorphism, Genetic |
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| Address |
Laboratory of Molecular and Cellular Biology, Japan Racing Association, Tokyo |
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English |
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0268-9146 |
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| Notes |
PMID:7985852 |
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no |
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Equine Behaviour @ team @ |
Serial |
2213 |
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Yokoyama, S.; Radlwimmer, F.B. |
| Title |
The molecular genetics of red and green color vision in mammals |
Type |
Journal Article |
| Year |
1999 |
Publication |
Genetics |
Abbreviated Journal |
Genetics |
| Volume |
153 |
Issue |
2 |
Pages |
919-932 |
| Keywords |
Amino Acid Sequence; Animals; Base Sequence; COS Cells; Cats; Color Perception/*genetics; DNA Primers; Deer; Dolphins; *Evolution, Molecular; Goats; Guinea Pigs; Horses; Humans; Mammals/*genetics/physiology; Mice; Molecular Sequence Data; Opsin/biosynthesis/chemistry/*genetics; *Phylogeny; Rabbits; Rats; Recombinant Proteins/biosynthesis; Reverse Transcriptase Polymerase Chain Reaction; Sciuridae; Sequence Alignment; Sequence Homology, Amino Acid; Transfection |
| Abstract |
To elucidate the molecular mechanisms of red-green color vision in mammals, we have cloned and sequenced the red and green opsin cDNAs of cat (Felis catus), horse (Equus caballus), gray squirrel (Sciurus carolinensis), white-tailed deer (Odocoileus virginianus), and guinea pig (Cavia porcellus). These opsins were expressed in COS1 cells and reconstituted with 11-cis-retinal. The purified visual pigments of the cat, horse, squirrel, deer, and guinea pig have lambdamax values at 553, 545, 532, 531, and 516 nm, respectively, which are precise to within +/-1 nm. We also regenerated the “true” red pigment of goldfish (Carassius auratus), which has a lambdamax value at 559 +/- 4 nm. Multiple linear regression analyses show that S180A, H197Y, Y277F, T285A, and A308S shift the lambdamax values of the red and green pigments in mammals toward blue by 7, 28, 7, 15, and 16 nm, respectively, and the reverse amino acid changes toward red by the same extents. The additive effects of these amino acid changes fully explain the red-green color vision in a wide range of mammalian species, goldfish, American chameleon (Anolis carolinensis), and pigeon (Columba livia). |
| Address |
Department of Biology, Syracuse University, Syracuse, New York 13244, USA. syokoyam@mailbox.syr.edu |
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English |
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0016-6731 |
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PMID:10511567 |
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no |
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Equine Behaviour @ team @ |
Serial |
4063 |
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Momozawa, Y.; Takeuchi, Y.; Tozaki, T.; Kikusui, T.; Hasegawa, T.; Raudsepp, T.; Chowdhary, B.P.; Kusunose, R.; Mori, Y. |
| Title |
SNP detection and radiation hybrid mapping in horses of nine candidate genes for temperament |
Type |
Journal Article |
| Year |
2007 |
Publication |
Animal Genetics |
Abbreviated Journal |
Anim Genet |
| Volume |
38 |
Issue |
1 |
Pages |
81-83 |
| Keywords |
Animals; *Behavior, Animal; Breeding; Horses/*genetics/physiology; *Polymorphism, Single Nucleotide; Radiation Hybrid Mapping; *Temperament |
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| Address |
Laboratory of Veterinary Ethology, The University of Tokyo, Tokyo 113-8657, Japan |
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English |
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0268-9146 |
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PMID:17257195 |
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no |
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1834 |
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| Author |
Boice, R. |
| Title |
Behavioral comparability of wild and domesticated rats |
Type |
Journal Article |
| Year |
1981 |
Publication |
Behavior Genetics |
Abbreviated Journal |
Behav Genet |
| Volume |
11 |
Issue |
5 |
Pages |
545-553 |
| Keywords |
Animals; *Behavior, Animal; Female; Genetics, Behavioral; Intelligence; Learning; Male; Rats/*genetics |
| Abstract |
The oft-repeated concern for the lack of behavioral comparability of domestic rats with wild forms of Rattus norvegicus is unfounded. Laboratory rats appear to show the potential for all wild-type behaviors, including the most dramatic social postures. Moreover, domestics are capable of assuming a feral existence without difficulty, one where they readily behave in a fashion indistinguishable from wild rats. The one behavioral difference that is clearly established concerns performance in laboratory learning paradigms. The superiority of domestics in these laboratory tasks speaks more to quieting the concerns of degeneracy theorists than to problems of using domestic Norway rats as subjects representative of their species. |
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English |
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0001-8244 |
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PMID:7325955 |
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no |
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Equine Behaviour @ team @ |
Serial |
4144 |
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Morley, K.I.; Montgomery, G.W. |
| Title |
The genetics of cognitive processes: candidate genes in humans and animals |
Type |
Journal Article |
| Year |
2001 |
Publication |
Behavior Genetics |
Abbreviated Journal |
Behav Genet |
| Volume |
31 |
Issue |
6 |
Pages |
511-531 |
| Keywords |
Animals; *Chromosome Mapping; Drosophila melanogaster; Genetic Markers/*genetics; Humans; Intelligence/*genetics; Mental Retardation/genetics; Mice; Phenotype; Quantitative Trait, Heritable |
| Abstract |
It has been hypothesized that numerous genes contribute to individual variation in human cognition. An extensive search of the scientific literature was undertaken to identify candidate genes which might contribute to this complex trait. A list of over 150 candidate genes that may influence some aspect of cognition was compiled. Some genes are particularly strong candidates based on evidence for involvement in cognitive processes in humans, mice, and Drosophila melanogaster. This survey confirms that many genes are associated with cognitive variation and highlights the potential importance of animal models in the study of human cognition. |
| Address |
Genetic Epidemiology Laboratory, Queensland Institute of Medical Research, Brisbane, Australia |
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English |
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0001-8244 |
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| Notes |
PMID:11838530 |
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no |
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Equine Behaviour @ team @ |
Serial |
4141 |
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