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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 11
BKCSDE 30(11)
November 20, 2009 

Capillary Gel Electrophoretic Analysis of Cattle Breeds Based on Difference of DNA Mobility of Microsatellite Markers
Miji Lee, Duhak Yoon, Jin Tae Jeon, Seong Kug Eo, Seong Ho Kang*
Cattle breed, Microsatellite, Capillary gel electrophoresis, DNA mobility
A breed of cattle, i.e., Korean cattle (Hanwoo), was identified based on the DNA mobilities of their microsatellites(MSs) by capillary gel electrophoresis (CGE) with a laser-induced fluorescence (LIF) detector. The MS markers were used for the accurate identification of species-specific genes. The DNA mobilities of the MS markers of Hanwoo and Holstein were measured using a CGE system with a fused-silica capillary (inner diameter of 75 μm, outer diameter of 365 μm, and total length of 50 cm). The capillary was dynamically coated with 1.0% (w/v) polyvinylpyrrolidone (Mr = 1,000,000) and then filled with a mixture of 1.3% (w/v) poly(ethylene oxide) (Mr = 600,000) and 1.9% (w/v) poly(ethylene oxide) (Mr = 8,000,000) as a sieving gel matrix. The species-specific genes of Hanwoo and Holstein were clearly distinguished within 33 min. This CGE assay technique is expected to be a useful analytical method for the fast and accurate identification of breeds of cattle.
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