2005
DOI: 10.1016/j.micinf.2005.04.005
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Pulsed-field gel electrophoresis analysis of Bordetella pertussis populations in various European countries with different vaccine policies

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Cited by 52 publications
(60 citation statements)
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“…One vaccine strain (1326/62) used in previous periods for pertussis vaccine production was found in group IV. In contrast to the strains from other European countries (7,19,43), the B. pertussis strains we studied were not so commonly found in PFGE groups IV␣, IV␤, and IV␥, since only seven, four, and six isolates were classified into groups IV ␣, IV␤, and IV␥, respectively. In the three newly recognized clusters, C, A, and B, 67 isolates (48%) were found.…”
Section: Discussioncontrasting
confidence: 64%
See 1 more Smart Citation
“…One vaccine strain (1326/62) used in previous periods for pertussis vaccine production was found in group IV. In contrast to the strains from other European countries (7,19,43), the B. pertussis strains we studied were not so commonly found in PFGE groups IV␣, IV␤, and IV␥, since only seven, four, and six isolates were classified into groups IV ␣, IV␤, and IV␥, respectively. In the three newly recognized clusters, C, A, and B, 67 isolates (48%) were found.…”
Section: Discussioncontrasting
confidence: 64%
“…All profiles were verified by visual comparison. PFGE profiles obtained for clinical isolates and vaccine strains were compared to B. pertussis PFGE reference strains representing the different profile groups: 18323 (PFGE group I), Tohama I (PFGE group II), Bp134 (PFGE group III), B902 (PFGE group IV␣), FR743 (PFGE group IV␤), FIN12 (PFGE group IV␥), and FR 287 (PFGE group V), as previously described (7,43). PFGE profiles were classified into groups based on a criterion of similarity higher than 86%.…”
mentioning
confidence: 99%
“…It was first isolated in France around 1996. Isolates sharing the profile of group IV␤ increased in frequency in 1996 to 1997 in the country and has since become the most frequent group in France (7,25). Some profiles, such as such those in group V, also seem to have disappeared.…”
Section: Discussionmentioning
confidence: 99%
“…Reference strains were defined and made available. These strains represented five major PFGE groups (I to V) as well as three subgroups in PFGE group IV (7,25).…”
mentioning
confidence: 99%
“…L'analyse et la comparaison des isolats bactériens ont été réalisées, soit au niveau des protéines qu'ils expriment, soit au niveau de portions de leur génome, soit enfin au niveau de leur génome tout entier [22][23][24]. Il s'avère que le polymorphisme des isolats est très restreint.…”
Section: Au Niveau De La Bactérieunclassified