Microbiology Chapter 26
Trachoma
A chronic, contagious form of conjunctivitis that is one of the leading causes of blindness in the world
Bacteria that only grow intracellularly
Chlamydia
Causative agent of parrot fever
Chlamydia Psittaci
Causative agent of Chlamydia pneumonia
Chlamydia pneumoniae
Causative agent of Parrot Fever
Chlamydia psittaci
Causative agent of trachoma of the eye
Chlamydia trachomatis
Causative agent of Q Fever
Coxiella Burnetii
Disease caused by Rickettsia Prowazekii and cause white for or discolored black and rolled up in the back of the mouth
Epidemic Typhus
Infectious Stage
First stage of growth in chlamydia. First form of the organism is infectious and referred to as an elementary body. Nonciliated, columnar, or transitional epithelial cells that line the conjunctiva, respiratory tract, or rectum. Utilize energy sources within the human cell to develop.
Causative agent of primary atypical pneumonia
Mycoplasma pneumoniae
Causative agent of walking pneumonia
Mycoplasma pneumoniae
Smallest free living organisms in nature
Mycoplasmas
Another name for Parrot Fever
Ornithosis or Psittacosis
A respiratory disease caused by Chlamydia psittaci
Parrot Fever
Unlike other rickettsial infections, this one does not present a rash
Q Fever
Short, nonmotile, gram-negative bacilli that are obligate intracellular pathogens
Rickettsia
Causative agent of murine typhus
Rickettsia typhi
Disease caused by Rickettsia Rickettsii
Rocky Mountain Spotted Fever
Disease characterized by the presence of a measles-like rash on the palms of the hands and the soles of the feet
Rocky Mountain Spotted Fever
Noninfectious Stage
Second stage of growth in chlamydia. The second form of the organism is noninfectious and is known as a reticulate body. Multiply within the cell through binary fission. Form new elementary bodies after dividing for about two days. When human cell ruptures chlamydia infects adjacent cells, allowing bacteria to spread within the host.
Another name for atypical pneumonia
Walking pneumonia
Parrot fever
gram negative obligate intracellular bacterium
Chlamydia
grow intracellularly - obligate intracellular parasites - produce energy by themselves
Elementary body
infects nonaffiliated, columnar or transitional epithelial cells that line the conjunctiva, respiratory tract or rectum -infectious stage
conjuntivitis
inflammatory condition of the membrane that surrounds the eye
trachoma
is a chronic, contagious form of conjunctivitis that is one of the leading causes of blindness
Q Fever
no rash is present
Rickettsia
short, nonmotile, gram-negative bacilli that are obligately intracellular pathogens. Transmitted to humans by arthropod vectors where they infect endothelial cells of the human vascular system.
Mycoplasma pneumoniae
slow growing, aerobic organism. resistant to penicillin and similar antibiotics because they do not posses a cell wall. Can cause bronchitis, pharyngitis, or atypical pneumonia. Has the fried egg appearance.
reticulate bodies
utilize energy source within the human cell and develop into reticulate bodies - noninfectous
