Biochemical Test of Chlamydia trachomatis

Biochemical Test of Chlamydia trachomatis

Some of the characteristics are:

Basic Characteristics Properties (Chlamydia trachomatis)
Organism Type Obligate intracellular organism that parasitize and multiply in the cytoplasm of eukaryotic cells within membrane bound vacuoles, termed inclusions, by a unique developmental cycle.
ATP/ADP Transport System Negative (-ve)
Body Types Elementary and Reticulate
Flagella Absent
Gram Staining Gram-negative
Genus Specific Antigen Positive (+ve)
Motility Negative (-ve)
Projections on Surface Positive (+ve)
Shape Coccoid; 0.2-1.5 Um diameter

Amino Acid Utilization

Arginine Negative (-ve)
Cysteine Negative (-ve)
Glutamine Variable
Histidine Positive (+ve)
Isoleucine Negative (-ve)
Leucine Variable
Lysine Negative (-ve)
Methionine Variable
Phenylalanine Positive (+ve)
Threonine Negative (-ve)
Tryptophan Variable
Tyrosine Negative (-ve)
Valine Positive (+ve)

Fermentation of

Glucose-6-P (ATP-dependent liberation of CO2 ) Positive (+ve)
Glutamate (ATP-dependent liberation of CO2 ) Positive (+ve)
Pyruvate (ATP-dependent liberation of CO2 ) Positive (+ve)


  1. Editors: Krieg, N.R., Ludwig, W., Whitman, W., Hedlund, B.P., Paster, B.J., Staley, J.T., Ward, N., Brown, D., Parte, A. (2010). Bergey’s Manual of Systematic Bacteriology. Volume 4: The Bacteroidetes, Spirochaetes, Tenericutes (Mollicutes), Acidobacteria, Fibrobacteres, Fusobacteria, Dictyoglomi, Gemmatimonadetes, Lentisphaerae, Verrucomicrobia, Chlamydiae, and Planctomycetes.
  3. Bergey’s Manual of Systematic Bacteriology

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