Antigen Discovery for Next-Generation Pertussis Vaccines Using Immunoproteomics and Transposon-Directed Insertion Sequencing

Kelsey A. Gregg, Yihui Wang, Jason Warfel, Elizabeth Schoenfeld, Ewa Jankowska, John F. Cipollo, Matthew Mayho, Christine Boinett, Deepika Prasad, Timothy J. Brickman, Sandra K. Armstrong, Julian Parkhill, Ricardo Da Silva Antunes, Alessandro Sette, James F. Papin, Roman Wolf, Tod J. Merkel

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Background. Despite high vaccination rates, the United States has experienced a resurgence in reported cases of pertussis after switching to the acellular pertussis vaccine, indicating a need for improved vaccines that enhance infection control. Methods. Bordetella pertussis antigens recognized by convalescent-baboon serum and nasopharyngeal wash were identified by immunoproteomics and their subcellular localization predicted. Genes essential or important for persistence in the baboon airway were identified by transposon-directed insertion-site sequencing (TraDIS) analysis. Results. In total, 314 B. pertussis antigens were identified by convalescent baboon serum and 748 by nasopharyngeal wash. Thirteen antigens were identified as immunogenic in baboons, essential for persistence in the airway by TraDIS, and membrane-localized: BP0840 (OmpP), Pal, OmpA2, BP1485, BamA, Pcp, MlaA, YfgL, BP2197, BP1569, MlaD, ComL, and BP0183. Conclusions. The B. pertussis antigens identified as immunogenic, essential for persistence in the airway, and membrane-localized warrant further investigation for inclusion in vaccines designed to reduce or prevent carriage of bacteria in the airway of vaccinated individuals.

Original languageEnglish (US)
Pages (from-to)583-591
Number of pages9
JournalJournal of Infectious Diseases
Volume227
Issue number4
DOIs
StatePublished - Feb 15 2023

Bibliographical note

Funding Information:
We acknowledge the expert support provided by the Food and Drug Administration, Center for Biologics Evaluation and Research vivarium staff, and the Sanger Institute core sequencing and informatics teams. This work was supported by the United States Food and Drug Administration and the National Institutes of Health (interagency agreement 032521, and grant numbers U01 AI141995 and 75N93019C00066). Sequencing and analysis was supported by the Wellcome Trust (grant number 098051).

Publisher Copyright:
© 2023 Authors. All rights reserved.

Keywords

  • Bordetella pertussis
  • TraDIS
  • antigen
  • baboon
  • immunization
  • immunoproteomics
  • vaccine
  • whooping cough

PubMed: MeSH publication types

  • Journal Article
  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, P.H.S.

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