Cloning and nucleotide sequence of the gene coding for the major 25-kilodalton outer membrane protein of Brucella abortus.

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RESUMO

The cloning and sequencing of the Brucella abortus major 25-kDa outer membrane protein (OMP) is reported. The 25-kDa (group 3) OMP has been proposed, on the basis of amino acid composition, to be the counterpart of OmpA (D. R. Verstraete, M. T. Creasy, N. T. Caveney, C. L. Baldwin, M. W. Blab, and A. J. Winter, Infect. Immun. 35:979-989, 1982). However, the amino acid sequence predicted from the cloned B. abortus gene did not reveal significant homology with either OmpA sequences from different members of the family Enterobacteriaceae or other known protein sequences.

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