Korean Journal of Veterinary Research 2001;41(3):357-365.
Comparison of Polymorphisms of Salmonella pullorum and Salmonella gallinarum Using DNA Amplified Fingerprinting
Yeon-Soo Kim, Sang-Kyun Kim, Won-Chul Song, Eui-Kyung Hwang
Division of Applied Animal Science, College of Life Science and Natural Resources, Sangji University
DNA Amplified Fingerprinting 기법을 이용한 Salmonella pullorum과 Salmonella gallinarum의 다형성 비교 분석
김연수, 김상균, 송원철, 황의경
상지대학교 생명자원과학대학 응용동물과학부
Abstract
This study was performed to detect the Salmonella genus-specific DNA marker for comparing of polymophisms between S pullorum and S gallinarum by using PCR amplified techniques. A total of ten primers were used to detect DNA polymorphisms from S pullorum and S gallinarum. The number of DAF bands detected per each primer varied from 26 to 45, with an average of 32.7 using 10 primers. A total of 327 DAF bands were generated and among them 123 bands were polymorphic(37.6%). These DNA amplified fingerprinting(DAF) specific bands for S pullorum and S gallinarum were observed from all primers. For S pullorum, GEN 60-04, GEN 70-04 and GEN 70-03 primers showed a high level of polymorphism with 0.79, 0.70 and 0.57, respectively. But GEN 60-05 primer did not show a level of polymorphism. For S gallinarum, GEN 70-03, 60-04, 60-07, 70-05 and 70-04 primers showed a higher a low level of polymorphism from 0.16 to 0.28. Each five strains of S pullorum and S gallinarum were isolated from chickens showed typical clinical signs related with infection of pullorum disease or fowl typhoid at commercial chicken farms. DNA markers of these strains produced by GEN 70-04, GEN 70-05 and GEN 70-08 showed significant difference of band patterns between S pullorum and S gallinarum. These DNA markers could be used for comparison of DNA marker polymorphism between S pullorum and S gallinarum as well as rapid diagnosis of fowl typhoid and pullorum disease of domestic fowls.
Key Words: DAF, Salmonella pullorum, Salmonella gallinarum, PCR, primer


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