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Keijiro Nirasawa

Explore the profile of Keijiro Nirasawa including associated specialties, affiliations and a list of published articles. Areas
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Articles 25
Citations 215
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Recent Articles
1.
Gervais O, Nirasawa K, Vincenot C, Nagamine Y, Moriya K
J Poult Sci . 2020 Sep; 53(4):249-256. PMID: 32908391
Several conventional traits, including eggshell thickness, are commonly being improved genetically as a means to increase eggshell strength. At the same time, researchers have come to recognize that factors related...
2.
Nunome M, Nakano M, Tadano R, Kawahara-Miki R, Kono T, Takahashi S, et al.
PLoS One . 2017 Jan; 12(1):e0169978. PMID: 28107483
To assess the genetic diversity of domestic Japanese quail (Coturnix japonica) populations, and their genetic relationships, we examined mitochondrial DNA (mtDNA) D-loop sequences and microsatellite markers for 19 Japanese quail...
3.
Gervais O, Nirasawa K, Vincenot C, Nagamine Y, Moriya K
Anim Sci J . 2016 Jun; 88(2):222-230. PMID: 27346211
Although non-destructive deformation is relevant for assessing eggshell strength, few long-term selection experiments are documented which use non-destructive deformation as a selection criterion. This study used restricted maximum likelihood-based methods...
4.
Nakamura Y, Tasai M, Takeda K, Nirasawa K, Tagami T
J Reprod Dev . 2013 Oct; 59(6):580-7. PMID: 24077020
The Japanese quail (Coturnix japonica) is a valuable bird as both an experimental animal, for a wide range of scientific disciplines, and an agricultural animal, for the production of eggs...
5.
Abe H, Takeuchi H, Yamada S, Nakamura A, Nagao K, Nirasawa K, et al.
Anim Sci J . 2013 Apr; 84(4):281-8. PMID: 23590500
Polymorphisms in the neurotransmitter-related genes can be a major source of behavioral variations. We searched for polymorphic sites in chicken neurotransmitter-related genes and identified two variable number of tandem repeat...
6.
Furukawa T, Nirasawa K, Ishii K, Thuy L, Satoh M
Anim Sci J . 2013 Mar; 84(3):200-5. PMID: 23480699
Conserving pig genetic resources and improving their productivity is important to increase returns over investment in developing countries. The purebred, first-cross, rotational cross and backcross matings representing production systems based...
7.
Nakamura Y, Usui F, Miyahara D, Mori T, Ono T, Kagami H, et al.
J Reprod Dev . 2012 Apr; 58(4):432-7. PMID: 22498815
Primordial germ cells (PGCs) are embryonic precursors of germline cells with potential applications in genetic conservation, transgenic animal production and germline stem cell research. These lines of research would benefit...
8.
Takeda K, Srirattana K, Matsukawa K, Akagi S, Kaneda M, Tasai M, et al.
J Reprod Dev . 2012 Mar; 58(3):323-9. PMID: 22447326
Interspecies/intergeneric mitochondrial heteroplasmy can occur in interspecies/intergeneric hybrid embryos or following nuclear transfer. In the present study, intergeneric buffalo (Bubalus bubalis) mitochondria (WB-mt) or interspecies murine (Mus spretus) mitochondria (M-mt)...
9.
Morimoto T, Kojima Y, Toki T, Komeda Y, Yoshiyama M, Kimura K, et al.
Ecol Evol . 2012 Mar; 1(2):201-17. PMID: 22393496
The honey bee is a major insect used for pollination of many commercial crops worldwide. Although the use of honey bees for pollination can disrupt the habitat, the effects on...
10.
Takeda K, Tasai M, Iwamoto M, Oe M, Chikuni K, Nakamura Y, et al.
J Reprod Dev . 2011 Dec; 58(2):248-53. PMID: 22188878
Somatic cell nuclear transfer (SCNT) has been exploited in efforts to clone and propagate valuable animal lineages. However, in many instances, recipient oocytes are obtained from sources independent of donor...