Notes on syphilis vaccine development

N Kojima, KA Konda, JD Klausner - Frontiers in immunology, 2022‏ - frontiersin.org
The quest for a syphilis vaccine to provide protection from infection or disease began not
long after the isolation of the first Treponema pallidum subspecies pallidum (T. pallidum) …

A suite of PCR-LwCas13a assays for detection and genoty** of Treponema pallidum in clinical samples

W Chen, H Luo, L Zeng, Y Pan, JB Parr, Y Jiang… - Nature …, 2022‏ - nature.com
The performance of commonly used assays for diagnosis of syphilis varies considerably
depending on stage of infection and sample type. In response to the need for improved …

Omics detection and treatment of syphilis

X Shi, J Shi, F Zou, Q Cao, X Yan, S Liu, Y Li, X Lan - Clinica Chimica Acta, 2024‏ - Elsevier
Treponema pallidum is the source of the chronic systemic sexually transmitted illness
syphilis. T. pallidum can evade immunity and spread. A hard chancre, enlarged lymph …

Clonal isolates of Treponema pallidum subsp. pallidum Nichols provide evidence for the occurrence of microevolution during experimental rabbit infection and in vitro …

DG Edmondson, BD De Lay, BM Hanson, LE Kowis… - PLoS …, 2023‏ - journals.plos.org
The recent development of a system for long-term in vitro culture of the syphilis spirochete,
Treponema pallidum subsp. pallidum, has introduced the possibility of detailed genetic …

Clinical and genomic diversity of Treponema pallidum subspecies pallidum to inform vaccine research: an international, molecular epidemiology study

AC Seña, MM Matoga, L Yang, E Lopez-Medina… - The Lancet …, 2024‏ - thelancet.com
Background The increase in syphilis rates worldwide necessitates development of a vaccine
with global efficacy. We aimed to explore Treponema pallidum subspecies pallidum (TPA) …

Low genetic diversity of Treponema pallidum ssp. pertenue (TPE) isolated from patients' ulcers in Namatanai District of Papua New Guinea: Local human population …

M Medappa, P Pospíšilová, MPM Madruga… - PLoS neglected …, 2024‏ - journals.plos.org
Yaws is an endemic disease caused by Treponema pallidum subsp. pertenue (TPE) that
primarily affects children in rural regions of the tropics. The endemic character of yaws …

High frequency of Nichols-like strains and increased levels of macrolide resistance in Treponema pallidum in clinical samples from Buenos Aires, Argentina

N Morando, E Vrbová, A Melgar, RD Rabinovich… - Scientific Reports, 2022‏ - nature.com
Globally, 94% of Treponema pallidum subsp. pallidum (TPA) clinical strains belong to the
SS14-like group and 6% to the Nichols-like group, with a prevalence of macrolide resistance …

Redefining the treponemal history through pre-Columbian genomes from Brazil

K Majander, M Pla-Díaz, L du Plessis, N Arora… - Nature, 2024‏ - nature.com
The origins of treponemal diseases have long remained unknown, especially considering
the sudden onset of the first syphilis epidemic in the late 15th century in Europe and its …

PathoGD: an integrative genomics approach to primer and guide RNA design for CRISPR-based diagnostics

SJ Low, M O'Neill, WJ Kerry, N Wild, M Krysiak… - Communications …, 2025‏ - nature.com
Critical to the success of CRISPR-based diagnostic assays is the selection of a diagnostic
target highly specific to the organism of interest, a process often requiring iterative cycles of …

Clinical and genomic diversity of Treponema pallidum subsp. pallidum: A global, multi-center study of early syphilis to inform vaccine research

AC Seña, MM Matoga, L Yang, E Lopez-Medina… - medRxiv, 2023‏ - medrxiv.org
Background The continuing increase in syphilis rates worldwide necessitates development
of a vaccine with global efficacy. We conducted a multi-center, observational study to …