Article (Scientific journals)
Purification of the recombinant beta2 toxin (CPB2) from an enterotoxaemic bovine Clostridium perfringens strain and production of a specific immune serum
Lebrun, Maud; Filée, Patrice; Galleni, Moreno et al.
2007In Protein Expression and Purification, 55 (1), p. 119-131
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Keywords :
Clostridium perfringens; beta2-toxin; cloning; expression; Bacillus subtilis; Escherichia coli
Abstract :
[en] Overgrowth of Clostridium perfringens clones with production of one or more of its toxin(s) results in diverse digestive and systemic pathologies in human and animals, such as cattle enterotoxaemia. The so-called beta2 toxin (CPB2) is the most recently described major toxin produced by C perfringens. In this study, the cpb2 ORF (cpb2FM) from a cattle C perfringens-associated enterotoxaemia was cloned and sequenced. The cpb2FM and its deduced nucleotide sequence clearly corresponded to the epb2 allele considered as "consensus" and not to "atypical" allele, despite its "non-porcine" origin. Expression assays of the recombinant toxin CPB2FM were performed in Escherichia coli and Bacillus subtilis with the expression vector pBLTS72, and by genomic integration by double recombination in B. subtilis. Highest level of production was obtained with the expression vector in B. subtilis 168 strain. The recombinant CPB2FM protein was purified and a specific rabbit polyclonal antiserum was produced. Polyclonal antibodies could detect CPB2 production in supernatants of C. perfringens from enterotoxaemic cattle. (C) 2007 Elsevier Inc. All rights reserved.
Disciplines :
Microbiology
Biochemistry, biophysics & molecular biology
Biotechnology
Veterinary medicine & animal health
Author, co-author :
Lebrun, Maud;  Université de Liège - ULiège > Département des Maladies Infectieuses et Parasitaires > Bactériologie et pathologie des maladies bactériennes
Filée, Patrice ;  Université de Liège - ULiège > Centre d'ingénierie des protéines
Galleni, Moreno ;  Université de Liège - ULiège > Département des sciences de la vie > Macromolécules biologiques
Mainil, Jacques ;  Université de Liège - ULiège > Département des maladies infectieuses et parasitaires > Bactériologie et pathologie des maladies bactériennes
Linden, Annick  ;  Université de Liège - ULiège > Département des maladies infectieuses et parasitaires > Santé et pathologies de la faune sauvage
Taminiau, Bernard  ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires > Microbiologie des denrées alimentaires
Language :
English
Title :
Purification of the recombinant beta2 toxin (CPB2) from an enterotoxaemic bovine Clostridium perfringens strain and production of a specific immune serum
Publication date :
September 2007
Journal title :
Protein Expression and Purification
ISSN :
1046-5928
eISSN :
1096-0279
Publisher :
Academic Press, Orlando, United States - Florida
Volume :
55
Issue :
1
Pages :
119-131
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 October 2009

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