The present invention is related to a M. tuberculosis fusion protein, polynucleotide coding for said protein, and a vector and host cell that contain said polynucleotide. The present invention also involves the preparation of said fusion protein, and the use thereof in preventions and treatment of tuberculosis.
1. An M. tuberculosis fusion protein comprising the amino acid sequence shown by SEQ ID NO: 7, or comprising an amino acid sequence with one to five amino acid substitution, deletion and addition in SEQ ID NO: 7, wherein the fusion protein possesses immunogenic activity of M. tuberculosis antigen.
2. A composition comprising the M. tuberculosis fusion protein of claim 1 .
3. A diagnostic kit comprising the M. tuberculosis fusion protein of claim 1 .
4. An article of manufacture comprising the M. tuberculosis fusion protein of claim 1 .
5. The article of manufacture of claim 4 , which further comprises an anti-TB chemotherapeutic drug, and an instruction of how to use the fusion protein and the anti-TB chemotherapeutic drug to treat tuberculosis.
6. A composition, comprising the fusion protein of claim 1 and adjuvant.