Antigenic tripeptides derived from Mycobacterium avium subsp. paratuberculosis S-type strains, derivatives and uses thereof
2016
Bannantine, John P. | Etienne, Gilles | Bay, Sylvie | Biet, Franck
The present invention is directed to the diagnosis, prevention and treatment of diseases resulting from infections by Mycobacterium avium subsp. paratuberculosis.The present invention is directed to an isolated synthetic tripeptide of formula H-D-Phe- N-Methyl- L-Val-L-Ala-OMe (SEQ ID NO :1), or a derivative thereof, and to the corresponding lipotripeptides, which are specific to Mycobacterium avium subsp. paratuberculosis (Map) S-type strain, as well as derivatives and conjugates thereof. The invention also concerns the use of these antigens in different methods and tests for detecting Map infection, especially by detecting humoral response and cell mediated response of infected animals. The invention is also directed to a genetic signature of Map and a mass spectrometry and NMR spectroscopy signature of Map presence or infection.
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