Protection of sheep against footrot with a recombinant DNA-based fimbrial vaccine

Recombinant Pseudomonas aeruginosa cells containing the Bacteroides nodosus fimbrial subunit gene under the transcriptional control of a strong promoter produce large amounts of B. nodosus-type fimbriae. We have carried out vaccination trials which show that these fimbriae are just as effective as e...

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Veröffentlicht in:Veterinary microbiology 1987-09, Vol.14 (4), p.393-409
Hauptverfasser: Egerton, J.R., Cox, P.T., Anderson, B.J., Kristo, C., Norman, M., Mattick, J.S.
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container_end_page 409
container_issue 4
container_start_page 393
container_title Veterinary microbiology
container_volume 14
creator Egerton, J.R.
Cox, P.T.
Anderson, B.J.
Kristo, C.
Norman, M.
Mattick, J.S.
description Recombinant Pseudomonas aeruginosa cells containing the Bacteroides nodosus fimbrial subunit gene under the transcriptional control of a strong promoter produce large amounts of B. nodosus-type fimbriae. We have carried out vaccination trials which show that these fimbriae are just as effective as either natural fimbriae or whole cell preparations of B. nodosus in inducing protective immunity against homologous footrot challenge. The recombinant-produced fimbriae are also effective therapeutically in accelerating the rate of healing of pre-existing footrot lesions. These results confirm that the structural subunit of the fimbrial strand is a primary protective antigen against footrot, and demonstrate the practically and potential of recombinant DNA approaches to the development of new vaccines against B. nodosus and other Type 4 fimbriate pathogens.
doi_str_mv 10.1016/0378-1135(87)90030-7
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We have carried out vaccination trials which show that these fimbriae are just as effective as either natural fimbriae or whole cell preparations of B. nodosus in inducing protective immunity against homologous footrot challenge. The recombinant-produced fimbriae are also effective therapeutically in accelerating the rate of healing of pre-existing footrot lesions. These results confirm that the structural subunit of the fimbrial strand is a primary protective antigen against footrot, and demonstrate the practically and potential of recombinant DNA approaches to the development of new vaccines against B. nodosus and other Type 4 fimbriate pathogens.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>2891214</pmid><doi>10.1016/0378-1135(87)90030-7</doi><tpages>17</tpages></addata></record>
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identifier ISSN: 0378-1135
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Animal bacterial diseases
Animals
Antigens, Bacterial - analysis
Bacterial diseases
Bacterial Vaccines
Bacteroides - genetics
Bacteroides - immunology
Biological and medical sciences
DNA, Recombinant
Fimbriae, Bacterial - immunology
Foot Rot - prevention & control
Genes, Bacterial
Infectious diseases
Male
Medical sciences
Pseudomonas aeruginosa - genetics
Random Allocation
Sheep
Sheep Diseases - prevention & control
Vaccination - veterinary
Vaccines, Synthetic
title Protection of sheep against footrot with a recombinant DNA-based fimbrial vaccine
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