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Chlamydia (bacterium)
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Chlamydia trachomatis
Phylum:Chlamydiae
Order:Chlamydiales
Family:Chlamydiaceae
Genus:Chlamydia
SpeciesChlamydia muridarum
Chlamydia suis
Chlamydia trachomatis
For the disease in humans, see Chlamydia infection.
Chlamydia is a genus of bacteria, several of which are pathogenic.[1] Notably, chlamydia infections are the most common bacterial sexually transmitted diseases in humans, as well as the leading cause of infectious blindness worldwide.[1] Chlamydia are unusual bacteria: obligate intracellular organisms, they must infect host cells to mature and reproduce.
The three Chlamydia species include Chlamydia trachomatis (a human pathogen), Chlamydia suis (affects only swine), and Chlamydia muridarum (affects only mice and hamsters).[2] Prior to 1999, the Chlamydia genus also included the species that are presently in the genus Chlamydophila: Two clinically relevant species, Chlamydophila pneumoniae and Chlamydophila psittaci were moved to the Chlamydophila genus.
[edit] Physiology
Chlamydia are unusual bacteria - unusual enough that they were originally classified as protozoans (and then as viruses), before 16S ribosomal RNA analysis placed them as members of the Eubacteria domain.[3] Chlamydia are obligate intracellular parasite bacterial pathogens, and are thus unable to replicate outside of a host cell. However, to disseminate effectively, these pathogens have evolved a unique biphasic life cycle wherein they alternate between two functionally and morphologically distinct forms:[4]
^^that shit is like...sigourney weaver on aliens
peace to not having cell-destroying parasites
Chlamydia (bacterium)
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Chlamydia trachomatis
C. trachomatis inclusion bodies (brown) in a McCoy cell culture.
Scientific classificationKingdom:BacteriaPhylum:Chlamydiae
Order:Chlamydiales
Family:Chlamydiaceae
Genus:Chlamydia
SpeciesChlamydia muridarum
Chlamydia suis
Chlamydia trachomatis
For the disease in humans, see Chlamydia infection.
Chlamydia is a genus of bacteria, several of which are pathogenic.[1] Notably, chlamydia infections are the most common bacterial sexually transmitted diseases in humans, as well as the leading cause of infectious blindness worldwide.[1] Chlamydia are unusual bacteria: obligate intracellular organisms, they must infect host cells to mature and reproduce.
The three Chlamydia species include Chlamydia trachomatis (a human pathogen), Chlamydia suis (affects only swine), and Chlamydia muridarum (affects only mice and hamsters).[2] Prior to 1999, the Chlamydia genus also included the species that are presently in the genus Chlamydophila: Two clinically relevant species, Chlamydophila pneumoniae and Chlamydophila psittaci were moved to the Chlamydophila genus.
[edit] Physiology
Chlamydia are unusual bacteria - unusual enough that they were originally classified as protozoans (and then as viruses), before 16S ribosomal RNA analysis placed them as members of the Eubacteria domain.[3] Chlamydia are obligate intracellular parasite bacterial pathogens, and are thus unable to replicate outside of a host cell. However, to disseminate effectively, these pathogens have evolved a unique biphasic life cycle wherein they alternate between two functionally and morphologically distinct forms:[4]
- The elementary body (EB) is infectious, but metabolically inert (much like a spore), and can survive for limited amounts of time in the extracellular milieu. Once the EB attaches to a susceptible host cell, it mediates its own internalization through pathogen-specified mechanisms (via type III secretion system) that allows for the recruitment of actin with subsequent engulfment of the bacterium.[5]
- The internalized EB, within a membrane-bound compartment, immediately begins differentiation into the reticulate body (RB). RBs are metabolically active but non-infectious, and in many regards, resemble normal replicating bacteria.[6] The intracellular bacteria rapidly modifies its membrane-bound compartment into the so-called chlamydial inclusion so as to prevent phagosome-lysosome fusion. According to published data, the inclusion has no interactions with the endocytic pathway and apparently inserts itself into the exocytic pathway as it retains the ability to intercept sphingomyelin-containing vesicles.
^^that shit is like...sigourney weaver on aliens
peace to not having cell-destroying parasites
homie chill. cuz people have said shit liek that and really killed themselves. ive known people who went out like that. if you got a gun next to you like that i aint even gonna make another joke. my bad, stay healthy and dont let us fuck your head up.
put the gun away, you have alot to live for EVEN IF you had HIV.
put the gun away, you have alot to live for EVEN IF you had HIV.
