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- Title
Pertactin-Deficient Bordetella pertussis with Unusual Mechanism of Pertactin Disruption, Spain, 1986-2018.
- Authors
Mir-Cros, Alba; Moreno-Mingorance, Albert; Martín-Gómez, M. Teresa; Abad, Raquel; Bloise, Iván; Campins, Magda; González-Praetorius, Alejandro; Gutiérrez, M. Nieves; Martín-González, Héctor; Muñoz-Almagro, Carmen; Orellana, M. Ángeles; de Pablos, Manuela; Roca-Grande, Josep; Rodrigo, Carlos; Rodríguez, M. Elena; Uriona, Sonia; Vidal, M. José; Pumarola, Tomàs; Larrosa, M. Nieves; González-López, Juan José
- Abstract
Bordetella pertussis not expressing pertactin has increased in countries using acellular pertussis vaccines (ACV). The deficiency is mostly caused by pertactin gene disruption by IS481. To assess the effect of the transition from whole-cell vaccine to ACV on the emergence of B. pertussis not expressing pertactin in Spain, we studied 342 isolates collected during 1986-2018. We identified 93 pertactin-deficient isolates. All were detected after introduction of ACV and represented 38% of isolates collected during the ACV period; 58.1% belonged to a genetic cluster of isolates carrying the unusual prn::del(-292, 1340) mutation. Pertactin inactivation by IS481 insertion was identified in 23.7% of pertactin-deficient isolates, arising independently multiple times and in different phylogenetic branches. Our findings support the emergence and dissemination of a cluster of B. pertussis with an infrequent mechanism of pertactin disruption in Spain, probably resulting from introduction of ACV.
- Subjects
SPAIN; BIOLOGICAL evolution; WHOOPING cough; BORDETELLA pertussis; WHOOPING cough vaccines; BACTERIAL toxins; MEMBRANE proteins
- Publication
Emerging Infectious Diseases, 2022, Vol 28, Issue 5, p967
- ISSN
1080-6040
- Publication type
journal article
- DOI
10.3201/eid2805.211958