Morphogenetical characteristics of Korean wild rat(Rattus norvegicus)
1999
Seong, J.K. | Yun, Y.M. | Park, J.Y. | Oh, S.H. (Yonsei University, Seoul (Korea Republic). Department of Laboratory Animal Medicine, Medical Research Center, College of Medicine) | Do, S.G. | Jin, H.K. | Suh, J.G. | Oh, Y.S. (Hallym University, Chuncheon (Korea Republic). Experimental Animal Center, College of Medicine) | Hyun, B.H. (Korea Institute of Science and Technology, Taejon (Korea Republic). Bioresource Program, Korea Research Institute of Bioscience and Biotechnology)
The morphometrical characteristics such as external measurements and mandible size assessment in mice and rats have to be highly heritable and sufficiently variable between strains in order to calculate a strain specific profiles. The coat color of Korean wild rats were observed and morphometric analysis of external measurements were carried out on Korean wild rats compared to laboratory strains in order to clarify the genetic characteristics of Korean wild rats and to establish background data as a domestication of Korean wild rats for new laboratory strain. Korean wild rats were captured from Chunchon and Hoengsong. 4 inbred and 1 outbred strains of rats were used in this study for the comparison of genetic characteristics of Korean wild rats. Total body length, head length, tail length, hind foot length and ear length were measured and then statistical analysis were carried out by discrimiant analysis. The coat color of Korean wild rat showed golden white in ventral portion and dark agouti in dorsal portion. Korean wild rats could be distinguished from the other laboratory strains distinctly by morphogenetical analysis. There was sighificant variations among Korean wild rat compared to those of the other laboratory strains of rat. This study may provide that Korean wild rats have a unique genetic characterization compared to those other inbred strains of rats based on morphogenetical characteristics by external measurements.
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