Chlamaydia Flashcards

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1
Q

General Characteristics (3)

A

OBLIGATE INTRACELLULAR pathogens

NO PEPTIDOGLYCAN in cell wall

Not produce ATP —> Need host ATP —> ENERGY PARASITES

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2
Q

Growth Cycle

A

BIPHASIC life cycle

1- Elementary body —> EXTRACELLULAR form, INFECTIVE form

2- Reticulate body —> INTRACELLULAR form, REPLICATIVE form

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3
Q

Common pathogens (3)

A

C.trachomatis

C.psittaci

C.pneumoniae

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4
Q

C.trachomatis- Ocular Infections (3)

A

Trachoma:

  • Common in children
  • Spread by flies or fingers
  • Important cause of blindness

Adult Inclusion Conjunctivitis:

  • Spread from genitalia to eye
  • Common in sexually active young individuals
  • Self-limiting

Chlamaydial Ophthalmia Neonatorum:

  • Neonates 1-3 weeks after birth
  • Mother birth canal is source
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5
Q

C.trachomatis- Genital Infections (Males) (2)

A

Non-gonococcal urethritis

Genital ulcer + Lymphadenopathy —> LYMPHGRANULOMA VENERUM

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6
Q

C.trachomatis- Genital Infections (Females) (3)

A

Urethritis + Cervicitis

Endometriosis + Salpingitis

Ectopic pregnancy + Infertility

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7
Q

C.trachomatis- Respiratory Infections (1)

A

Neonatal pneumonitis

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8
Q

C.pneumoniae (4)

A

Otitis media

Sinusitis

Pneumonia

Bronchitis

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9
Q

C.psittaci (5)

A

PSITTACOSIS or ORNITHOSIS

  • Non-human pathogen / Zoonotic infection
  • Droplet infection
  • Bird handlers
  • ATYPICAL PNEUMONIA
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