| RRC ID |
66948
|
| 著者 |
Ishikawa A, Sakaguchi M, Nagano AJ, Suzuki S.
|
| タイトル |
Genetic Architecture of Innate Fear Behavior in Chickens.
|
| ジャーナル |
Behav Genet
|
| Abstract |
The genetic architecture of innate fear behavior in chickens is poorly understood. Here, we performed quantitative trait loci (QTL) analysis of innate responses to tonic immobility (TI) and open field (OF) fears in 242 newly hatched chicks of an F2 population between the native Japanese Nagoya breed and the White Leghorn breed using 881 single nucleotide polymorphism markers obtained by restriction site-associated DNA sequencing. At genome-wide 5% significance levels, four QTL for TI traits were revealed on chromosomes 1-3 and 24. Two of these loci had sex-specific effects on the traits. For OF traits, three QTL were revealed on chromosomes 2, 4 and 7. The TI and OF QTL identified showed no overlaps in genomic regions and different modes of inheritance. The three TI QTL and one OF QTL exerted antagonistic effects on the traits. The results demonstrated that context-dependent QTL underlie the variations in innate TI and OF behaviors.
|
| 巻・号 |
50(6)
|
| ページ |
411-422
|
| 公開日 |
2020-11-1
|
| DOI |
10.1007/s10519-020-10012-0
|
| PII |
10.1007/s10519-020-10012-0
|
| PMID |
32770288
|
| MeSH |
Animals
Chickens / genetics
Chromosome Mapping / methods
Fear / physiology*
Female
Immobility Response, Tonic / physiology*
Instinct
Male
Polymorphism, Single Nucleotide / genetics
Quantitative Trait Loci / genetics*
Sex Factors
|
| IF |
2.231
|
| リソース情報 |
| ニワトリ・ウズラ |
|
