Author

Jo-Ann Shelley Passmore

National Health Laboratory ServiceORCID 0000-0002-1471-4245Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 2 Immunology· 1

Signature Assays, Organisms & Methods

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Organism:human· 3 Research Focus:cell type annotation· 2 Approach:experimental assay· 2 Assay:proteomics· 2 Research Focus:clustering· 1 Approach:comparative / phylogenetic analysis· 1 Assay:DNA methylation· 1 Assay:flow cytometry· 1

Frequent Co-Authors

Heather B. JaspaniD· 2 shared Linda‐Gail BekkeriD· 2 shared Aleya Sarah Amir HamzahiD· 1 shared Andrea G. Abrahams· 1 shared Anna C. HearpsiD· 1 shared Anna E. SheppardiD· 1 shared Bahiah MeyeriD· 1 shared Brian KulliniD· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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2 shared papersMicrobiology

Heather B. JaspanORCID

Mutual co-authors in cluster

Author profile →

3 papers

Recent·Most cited

Characterisation of vaginal Lactobacillus isolates from South African women towards the development of a biotherapeutic to optimise the vaginal microbiome

Jenna Wilson, Aleya Sarah Amir Hamzah, Christine K.I. Jordan, Joshua A. Hayward, Brian Kullin, Monalisa T. Manhanzva, David P. Tyssen, Celia Mehou‐Loko, Andrea G. Abrahams, Nina Radzey, Rushil Harryparsad, Bahiah Meyer, Anna C. Hearps, Mark Ziemann, Hilton Humphries, , Lindi Masson

The paper characterizes vaginal Lactobacillus isolates from South African women to identify biotherapeutic candidates that can optimize the vaginal microbiome and reduce HIV risk.

bioRxiv · Mar 30, 2026 · PreprintMicrobiology

Sialidase variability in Gardnerella: genetics, taxonomy, function, and clinical presentation

Marie Vasse, Nicola Mayrhofer, Kopano Valerie Masete, Jo-Ann Shelley Passmore, Hélène Jean‐Pierre, Sylvain Godreuil, Rémy Froissart, Ignacio G. Bravo

This study examines sialidase variability in Gardnerella isolates from BV-positive and negative samples, finding no clear link between taxonomy, sialidase genes, and BV status.

bioRxiv · Jan 11, 2026 · PreprintMicrobiology

Circulating Chlamydia trachomatis-specific T Cell Immunity Reflects Widespread Exposure in South African Adolescents and Young Women

Rubina Bunjun, Micaela Lurie, Smritee Dabee, Shaun Lawrence Barnabas, Dumisile V. Maseko, Shameem Z. Jaumdally, Hoyam Gamieldien, David A. Lewis, Heather B. Jaspan, Katherine Gill, Linda‐Gail Bekker, Jo-Ann Shelley Passmore

This study examines circulating T cell immunity to Chlamydia trachomatis in South African adolescents and young women, finding that immune response magnitude and quality correlate with infection clearance and mucosal inflammation.

The Journal of Infectious Diseases · Nov 21, 2025Peer-reviewedImmunology