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Possible conservation units of the sun bear (Helarctos malayanus) in Sarawak [Malaysia] based on variation of mtDNA control region
2006
Onuma, M.(Hokkaido Univ., Sapporo (Japan)) | Suzuki, M. | Ohtaishi, N.
The mitochondrial DNA control region of the sun bear (Helarctos malayanus) was sequenced using 21 DNA samples collected from confiscated sun bears to identify conservation units, such as evolutionarily significant units and management units, in Sarawak, Borneo Island. A total of 10 haplotypes were observed, indicating the presence of at least two lineages in the sun bear population in Sarawak. Presumably, these two lineages could represent evolutionarily significant units. However, the geographical distributions of the two lineages remained unknown due to the lack of information regarding the exact capture locations of the confiscated sun bears. It is essential to elucidate the geographical distributions of these lineages in order to create a proper conservation plan for the sun bears in Sarawak. Therefore, further studies examining the haplotype distributions using DNA samples from known localities are essential.
Показать больше [+] Меньше [-]The antioxidative effects of alpha-tocopherol on the lipid peroxidation and protein oxidation by free radicals
1994
Chung, C.W. (Rural Development Administration, Anyang (Korea Republic). Veterinary Research Institute) | Huh, R.S. (Kyungpook National University, Taegu (Korea Republic). College of Veterinary Medicine)
Mitochondrial DNA polymorphism in the Cheju horses
1994
Han, B.K. (Chonnam National University, Kwangju (Korea Republic). College of Veterinary Medicine) | Chang, D.J. (Cheju Vocational Junior College, Cheju (Korea Republic)) | Tsuchida, S. | Ikemoto, S. (Jichi Medical School, Jichi (Japan). Department of Legal Medicine and Human Genetics)
Electron microscopic observations of the vascular endothelial cells in the central nervous system of piglets infected with porcine enterovirus serotype 3
1988
Shin, T.K. (Chungnam National Univ., Taejon (Korea R.). Coll. of Medicine) | Lee, C.S. (Kyongbuk National Univ., Taegu (Korea R.). Coll. of Veterinary Medicine)
In the course of studying porcine enterovirus infection in piglets, the vascular endothelial cells in the CNS of colostrum-deprived piglets with polioence-phalomyelitis were investigated by electron microscope. The experimental piglets were orally infected with the porcine enterovirus serogroup 3 isolated in Korea and necropsied at 7 days postinoculation. Crystalline arrays of viral particles were found in the vascular endothelial cells of the spinal cord and cerebellum. Aggregates of immature viral particles were occasionally observed in the vascular endothelial cells in the meninges. The rough ER was deprived of ribosomes, irregularly dilated and associated with viral crystals. There were abundant cytoplasmic filaments, dilatation of perivascular space, perivascular cuffing, and the partial disruptions of endothelial cell membrane and basal lamina
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