Localization of Two Types of Ribosomal DNA Using Fluorescence in situ Hybridization in Five Wild Rose Species
(주)코리아스칼라
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- 2023.04.05
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- 2017.09
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서지정보
ㆍ발행기관 : 한국화훼학회
ㆍ수록지정보 : 화훼연구 / 25권 / 3호
ㆍ저자명 : Yoon-Jung Hwang, Yoon Ha Ju, Franklin Hinosa Mancia, Yun-Im Kang, Tae Ho Han, Sung Mi Kim, Ki-Byung Lim
영어 초록
A karyotype analysis of five wild rose species (Rosa helenae, R. mulliganii, R. multiflora, R. rubus, and R. solieana) was performed using bicolor fluorescence in situ hybridization (FISH). All five species were found to be diploid (2n = 2x = 14). The chromosome length in the metaphase stage ranged from 1.29 to 2.05 μm in R. helenae, 3.32 to 6.82 μm in R. mulliganii, 1.58 to 2.24 μm in R. multiflora, 2.05 to 3.46 μm in R. rubus, and 1.62 to 2.46 μm in R. solieana. The chromosomes were either metacentric or submetacentric, with no subtelocentric or telocentric chromosomes being observed. Each p air of 5 S and 4 5S rDNA sites was detected at the proximal region of the long arm and the terminal region of the short arm of chromosome #7, respectively.
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