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Chlamydia trachomatis is a gram-negative bacterium that can replicate exclusively within a host cell, making it an obligate intracellular pathogen. [3] Over the course of its life cycle, C. trachomatis takes on two distinct forms to facilitate infection and replication.
Of various Chlamydiota that cause human disease, the two most important species are Chlamydia pneumoniae, which causes a type of pneumonia, and Chlamydia trachomatis, which causes chlamydia. Chlamydia is the most common bacterial sexually transmitted infection in the United States, and 2.86 million chlamydia infections are reported annually.
Chlamydia, or more specifically a chlamydia infection, is a sexually transmitted infection caused by the bacterium Chlamydia trachomatis. [3] Most people who are infected have no symptoms. [ 1 ] When symptoms do appear, they may occur only several weeks after infection; [ 1 ] the incubation period between exposure and being able to infect ...
Atypical bacteria are bacteria that do not get colored by gram-staining but rather remain colorless: they are neither Gram-positive nor Gram-negative. These include the Chlamydiaceae , Legionella and the Mycoplasmataceae (including mycoplasma and ureaplasma ); the Spirochetes and Rickettsiaceae are also often considered atypical.
Chlamydia species produce a small amount of detectable glycogen and have two ribosomal operons. Chlamydia trachomatis is the cause of an infection commonly transmitted sexually (often referred as just "Chlamydia") and also is the cause of trachoma, an infectious eye disease, spread by eye, nose, and throat secretions.
All Chlamydiota are anaerobic bacteria with a biphasic developmental lifecycle that depends on obligately intracellular growth in eukaryotic host cells. Chlamydophila was recognized by a number of scientists in 1999, [3] with six species in Chlamydophila and three in the original genus, Chlamydia. This was immediately seen as controversial. [4]
Chlamydia infections are the most common bacterial sexually transmitted diseases in humans and are the leading cause of infectious blindness worldwide. [2] Species include Chlamydia trachomatis (a human pathogen), Ch. suis (affects only swine), and Ch. muridarum (affects only mice and hamsters). [3]
Trachoma is an infectious disease caused by bacterium Chlamydia trachomatis. [2] The infection causes a roughening of the inner surface of the eyelids. [2] This roughening can lead to pain in the eyes, breakdown of the outer surface or cornea of the eyes, and eventual blindness. [2]
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