The omp2 gene locus of Brucella abortus encodes two homologous outer membrane proteins with properties characteristic of bacterial porins

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ISOLATION AND PURIFICATION OF MAJOR OUTER MEMBRANE PROTEINS FROM BRUCELLA ABORTUS S-99

Isolation and purification of major outer membrane proteins (OMP) from the cell wall envelope of Brucella abortus S-99 were achieved by sonication, solubilization and membrane fractionation in the presence of non-ionic detergent (Tx-100) and lysozyme treatments, followed by ultracentrifugation. The crude OMP was treated with trypsin to free the preparation from any other protein contaminan...

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isolation and purification of major outer membrane proteins from brucella abortus s-99

isolation and purification of major outer membrane proteins (omp) from the cell wall envelope of brucella abortus s-99 were achieved by sonication, solubilization and membrane fractionation in the presence of non-ionic detergent (tx-100) and lysozyme treatments, followed by ultracentrifugation. the crude omp was treated with trypsin to free the preparation from any other protein contaminants. t...

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Biological and immunological characteristics of Brucella abortus S99 major outer membrane proteins

Introduction and objective: Outer membrane proteins (OMPs) of Brucella are considered as immunogenic structures which can be used to design and develop a subunit vaccine for human brucellosis. Brucella abortus S99 OMPs promote the synthesis of high levels of specific anti-Brucella IgG molecules in rabbits when administrated with lipopolysaccharide (LPS). The objective of this study is evaluatio...

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Structure and properties of the outer membranes of Brucella abortus and Brucella melitensis.

The brucellae are Gram-negative bacteria characteristically able to multiply facultatively within phagocytic cells and which cause a zoonosis of world-wide importance. This article reviews the structure and topology of the main components (lipopolysaccharide, native hapten polysaccharide, free lipids and proteins) of the outer membranes of Brucella abortus and B. melitensis, as well as some dis...

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Effect of omp10 or omp19 deletion on Brucella abortus outer membrane properties and virulence in mice.

The distinctive properties of Brucella outer membrane have been considered to be critical for Brucella sp. virulence. Among the outer membrane molecules possibly related to these properties, Omp10 and Omp19 are immunoreactive outer membrane lipoproteins. Moreover, these proteins of Brucella could constitute a new family of outer membrane proteins specifically encountered in the family RHIZOBIAC...

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ژورنال

عنوان ژورنال: Infection and Immunity

سال: 1993

ISSN: 0019-9567,1098-5522

DOI: 10.1128/iai.61.9.3785-3790.1993