국내 토종개의 염색체 조사에 관한 연구
Study on chromosomes survey of Korea native dogs
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The karyotype of the domestic dog is widely accepted as one of the difficult mammalian karyotypes to work. In contrast to many other animals, knowledge about the canine karyotype is quite sparse. The dog has a total of 78 chromosomes; all 76 autosomes are acrocentric in morphology and show only a gradual decrease in length. But appear to be quite small and difficult to identify unambiguously. To purchased standardization of chromosome in Korea native dog, there were analyzed by conventional trypsin/Giemsa staining(GTG-banding techniques), and were compared with 4, 6, 8, 11, 13, 17 chromosome. There were no variations in karyotypes which were analyzed by conventional GTG-banding techniques, but differences were observed in G-banding patterns with Sapsaree, Jindo, Gyeongju DongGyeong dogs, Welshi-Corgi. It is not clear that these disagreements in G-banding patterns between strains of dog were caused by chromosome polymorphism or a difference in interpretation. Comparative analysis of the distribution patterns of conserved segments defined by dog paints in the genomes of the Korea native dogs demonstrates that their differences in the karyotypes of these three species could have resulted from acrocentric banding patterns.
Abstract
The karyotype of the domestic dog is widely accepted as one of the difficult mammalian karyotypes to work. In contrast to many other animals, knowledge about the canine karyotype is quite sparse. The dog has a total of 78 chromosomes; all 76 autosomes are acrocentric in morphology and show only a gradual decrease in length. But appear to be quite small and difficult to identify unambiguously. To purchased standardization of chromosome in Korea native dog, there were analyzed by conventional trypsin/Giemsa staining(GTG-banding techniques), and were compared with 4, 6, 8, 11, 13, 17 chromosome. There were no variations in karyotypes which were analyzed by conventional GTG-banding techniques, but differences were observed in G-banding patterns with Sapsaree, Jindo, Gyeongju DongGyeong dogs, Welshi-Corgi. It is not clear that these disagreements in G-banding patterns between strains of dog were caused by chromosome polymorphism or a difference in interpretation. Comparative analysis of the distribution patterns of conserved segments defined by dog paints in the genomes of the Korea native dogs demonstrates that their differences in the karyotypes of these three species could have resulted from acrocentric banding patterns.
참고문헌 (22)
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