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All C. trachomatis strains

All available live isolates are presented here, in order of their addition to the Biobank; those listed in red are being expanded in cell culture and will soon be ready to order. Heat inactivated strains and quantified DNA are also available upon request; please contact us for a quote.

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☆ Please note: The charge for living isolates is not for profit, but is necessary to cover production costs.


UID Strain Serovar Genome seq Plasmid seq Raw data Primary reference Notes
CT101 A2497 A Link Link Capillary sequenced Kari et al., 2008 From a 2.5-year-old with intense active trachoma [TF/TI]; Rombo District, Kilimanjaro Region, Tanzania; 2001. Atypical trachoma strain that grows unusually well in cell culture.
CT102 Jali20 B Link Link Capillary sequenced Watson et al., 1989 A typical trachoma strain, isolated from a trachoma patient in The Gambia, 1989
CT103 SotonD1 D Link Link Link Wang et al., 2011 A typical D serovar endocervical isolate, from Southampton. Isolated in 2009.
CT104 SW2 E Link Link Link Unemo et al.,2010 New variant C. trachomatis; carries a 377 bp deletion within its plasmid eliminating the single target used by Roche and Abbott diagnostic systems. The plasmid also has a 44 bp duplication downstream of the deletion. There is no apparent effect on phenotype.
CT106 SotonF2 F Awaiting sequencing data Awaiting sequencing data Link Wang et al., 2011 A typical F serovar endocervical isolate from Southampton. Isolated in 2009.
CT107 SWFP- F Link N/A Link Persson et al., 1996. Proc Eur Soc Chlamydia Res. 3:33 Naturally occurring plasmid-free genital tract isolate from Sweden (Wang et al., 2013)
CT108 BRI028 G Awaiting sequencing data Awaiting sequencing data Link Labiran et al., 2015 G serovar isolated from a rectal swab. MSM Brighton Study
CT109 L2P- L2 Awaiting sequencing data N/A Link Peterson et al., 1990 An L2 serovar of Chlamydia trachomatis, isolated from a patient with proctocolitis, which does not contain the C. trachomatis 7.5-kb plasmid
CT110 L2b/UCH-1 L2b Link Link Link Thomson et al., 2008 Rectal sample from male HIV positive and Hepatitis C negative patient, London, UK
CT111 Soton Ia3 Ia/870 Link Link Link Wang et al., 2011 Endocervical isolate from Southampton. Isolated in 2009
CT112 Soton K1 K/UW-31 Link Link Link Wang et al., 2011 Endocervical isolate from Southampton. Isolated in 2009
CT113 Bri026 F/IC-CAL3 Awaiting sequencing data Awaiting sequencing data Link Labiran et al., 2015 F serovar isolated from a rectal swab. MSM Brighton Study
CT117 Bri030 J/UW-3X Awaiting sequencing data Awaiting sequencing data Link Labiran et al., 2015 J serovar isolated from a rectal swab. MSM Brighton Study
CT118 BRI008 D Awaiting sequence data Awaiting sequence data Link Labiran et al., 2015 D serovar isolated from a rectal swab. This isolate has an unusual, non-fusogenic inclusion morphology. MSM Brighton study.
CT119 IU824 E/Bour Link Link Link Jones et al., 1990 E serovar strain cultured from the endometrium of a 27-year-old woman in the USA 5 months after tetracycline and 11 months after cephalosporin treatment for C. trachomatis. Genome sequencing revealed a premature stop codon in the porB gene (O'Neill et al., 2013).
CT120 L1/115 L1/L2 Link Link Link Harris et al., 2012 L1/L2 ompA recombinant strain from an LGV patient in Ciskei, South Africa. Analysis of the ompA gene in this strain showed that the 5′ end (variable segments VS1-2) matched the L1 ompA sequence, while the 3′ end (VS3-4) matched L226.
CT121 SW3 E Link Link Link Harris et al., 2012 Endocervical isolate from Sweden. Isolated in 2001
CT122 Aus33 C Not assembled Not assembled Link Andersson et al., 2016 Ocular isolate from 15 month old Aboriginal child from the tropical coast of Northern Australia, taken between 1985-1993
CT123 Aus36 B Not assembled Not assembled Link Andersson et al., 2016 Ocular isolate from 9 year old Aboriginal child from the West coast of Northern Australia, taken between 1985-1993