Syphilis is an important sexually transmitted infection. There has been an epidemic of syphilis amongst men who have sex with men in the United Kingdom in the last decade. Early infection with syphilis causes a genital ulcer followed, in the absence of treatment, by a generalised illness often accompanied by rash. Studies on syphilis have been limited because it is not possible to grow syphilis outside of the body. New approaches allow the whole genetic sequence of Treponema pallidum to be obtained from a swab. In this study residual DNA collected as part of routine patient care of patients seen at sexual health clinics in the UK will be used for sequencing. No patient contact is involved in the study which is limited to whole genome sequencing using residual material from samples. By better understanding the genome of the T.pallidum insights will be gained in to the pathogenesis of this important sexually transmitted disease.
Study Type
OBSERVATIONAL
Enrollment
726
Residual DNA from clinical samples will be utilised for whole genome sequencing of Treponema pallidum the causative agent of syphilis
University Hospitals Birmingham
Birmingham, United Kingdom
Brighton and Sussex NHS Trust
Brighton, United Kingdom
Leeds University Teaching Hospital
Leeds, United Kingdom
Mortimer Market Centre
London, United Kingdom
Penine Acute Hospitals Trust
Manchester, United Kingdom
Genomic Diversity of Treponema Pallidum as assessed by nucleotide diversity and phylogenetic lineage
Whole genome sequencing of UK and global syphilis samples combined with phylogenomic and population genomic analyses to determine the population structure and diversity of Treponema both regionally and in global context. Diversity will be assessed by measuring nucleotide diversity between samples and reference genomes.
Time frame: Measured at baseline - time of enrollment. There are no further samples or visits in the study.
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