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Summary of genes involved in tryptophan metabolism for several chlamydiales
| Chlamydia | Tryptophan transport | Tryptophan biosynthesis |
|---|---|---|
| C. psittaci GPIC | 1 intact tyrP | trpRDCFBA |
| C. trachomatis D/UW-3 | 2 intact tyrP | trpRBA |
| C. trachomatis A/HAR-13 | 1 intact tyrP | Nonfunctional trpBA |
| C. muridarum | 2 intact tyrP | None |
| C. pneumoniae | 1-3 intact tyrP | None |
| C. abortus | 1 intact tyrP | None |
| Parachlamydia UWE25 | 4 tyrP | None |
