Effective DNA extraction method to improve detection of Mycobacterium avium subsp. paratuberculosis in bovine feces.
- Author:
Hong Tae PARK
1
;
Min Kyoung SHIN
;
Kyung Yong SUNG
;
Hyun Eui PARK
;
Yong Il CHO
;
Han Sang YOO
Author Information
1. Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 151-742, Korea. yoohs@snu.ac.kr
- Publication Type:Brief Communication
- Keywords:
DNA extraction;
feces;
Mycobacterium avium subsp. paratuberculosis;
real-time PCR
- MeSH:
Animals;
DNA*;
Feces*;
Limit of Detection;
Mycobacterium avium subsp. paratuberculosis*;
Mycobacterium avium*;
Mycobacterium*;
Paratuberculosis;
Real-Time Polymerase Chain Reaction
- From:Korean Journal of Veterinary Research
2014;54(1):55-57
- CountryRepublic of Korea
- Language:English
-
Abstract:
Paratuberculosis caused by Mycobacterium avium subsp. paratuberculosis (MAP) has extended latent periods of infection. Due to this property, difficulties in the detection of fecal shedder have been raised. A newly designed method for DNA extraction from fecal specimens, mGITC/SC was evaluated in terms of diagnostic efficiency. The detection limit of IS900 real-time PCR was about 50 MAP (1.5 cfu) in 250 mg of feces (6 cfu per g). Also, this DNA extraction method was faster and cheaper than that using commercial kit or other methods. Consequently, the mGITC/SC is an economical DNA extraction method that could be a useful tool for detecting MAP from fecal specimens.
