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KMID : 1094720000050010023
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Biotechnology and Bioprocess Engineering
2000 Volume.5 No. 1 p.23 ~ p.26
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Identification of genetic markers for Korean native cattle (Hanwoo) by RAPD analysis
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Yeo Jung-Sou
Lee Ji-Sun
Lee Chang-Hee
Jung Young-Ja
Nam Doo-Hyun
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Abstract
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In order to develop the specific genetic marker for Korean native cattle (Hanwoo), randomly amplified polymorphic DNA (RAPD) analysis of 6 different cattle breeds was attempted by using 38 decamer primers. In comparison of RAPD patterns, two distinctive DNA bands specific for Hanwoo were detected. One was 296 bp of DNA fragment found to be specific only for female Hanwoo when primer GTCCACACGG was employed. In individual analysis of this RAPD marker was observed only in female individuals with the possibility of 85.3%. The other was 521 bp of RAPD marker amplified using TCGGCGATAG and AGCCAGCGAA primers, which showed 83.0% of genetic frequency in 85 male and 68 female individuals tested. Nucleotide sequencing of these genetic markers revealed that 296 bp marker has a short microsatellite-like sequence, ACCACCACAC, and a tandem repeat sequence of microsatellite GAAAAATG in the determined sequence. Two distinctive tandem repeats of microsatellite sequences, AAC and GAAGA, were also appeared in 521 bp DNA marker. In BLAST search, any gene having high homology with these markers was not found
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KEYWORD
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RAPD marker, Korean native cattle, Hanwoo, DNA polymorphism, genetic analysis
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