PMID: 31380001Aug 6, 2019Paper

Cloning and Expression of B. mellitensis bp26 Gene in Lactococcus lactis as a Food Grade Vaccine

Avicenna Journal of Medical Biotechnology
Maryam Azizpour MaghvanAli Mohammad Behrozikhah

Abstract

Brucellosis is still an important health problem in under developing countries and researches for finding efficient vaccine are going on. Brucella melitensis (B. mellitensis) bp26 gene is a good candidate for brucellosis vaccine and investigations showed that Lactococcus lactis (L. lactis) with several positive characteristic are attractive for protein expression as a live delivery vectors. These fast growing bacteria need no aeration, are easy to handle, have no exotoxin, endotoxin and protease, so the cost of culturing is inexpensive. B. mellitensis bp26 gene was cloned in food grade pNZ 8149 vector and expressed in L. lactis NZ 3900. Results showed that we can produce a food-grade recombinant L. lactis producing the B. melitensis BP26 protein. In this study, for Future evaluation about ability of L. lactis as a live delivery vector, a food-grade recombinant L. lactis producing the B. melitensis BP26 protein was produced.

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