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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 and shipping.


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 usual, 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