Bacilos Gram +

Microbiología médica

Resumen: Bacilos Gram +

Organismo Factor de Virulencia Condición que causa

Clostridium botulinum

Botox

Biological Terrorism

Botulism (acute flaccid paralysis with bulbar palsies).Naturally occurring botulism by foodborne, wound or intestinal. Bioterrorism routes of intoxication by aerosol (inhaled into lungs) o foodborne.

Clostridium tetani

Tetanus Tetanus results in spasms and contractions that can result in death because patients can’t exhale.

Listeria monocytogenes

Listeria

Listeriosis ( septicemia, meningitis (or meningoencephalitis), encephalitis, and intrauterine or cervical infections in pregnant women, which may result in spontaneous abortion (2nd/3rd trimester) or stillbirth.)

Corynebacterium diphtheriae

Diphtheria Diphtheria toxin is responsible for the signs and symptoms of diphtheria; inhibits polypeptide synthesis which results in cell death. Diphtheria is an upper respiratory tract illness characterized by sore throat, low fever, and an adherent membrane (called a pseudomembrane) on the tonsils, pharynx, and/or nasal cavity. Toxigenesis: bacterial production of the toxin.

Mycobacterium tuberculosi

Tuberculosis

Respiratory disease cause by Mycobacterium tuberculosis, a fairly large nonmotile rod-shaped bacterium distantly related to the Actinomycetes.

This contain the cell wall component, cord factor, that is necessary to cause disease. Obligate aerobe, facultative intracellular parasite, usually of macrophages, with slow generation time, 15-20 hours.

Mycobacterium leprae

leprosy

Result from infection of the peripheral nerves, causes a deterioration of a person's sense of touch and a corresponding inability to feel pain and temperature. People may unknowingly burn, cut, or otherwise harm themselves. Repeated damage may eventually lead to loss of fingers and toes. Damage to peripheral nerves may cause muscle weakness, at times resulting in clawing of the fingers. Skin infection can lead to areas of swelling and lumps, which can be particularly disfiguring on the face.

Propionibacterium acnes

acne Causes much of the acne of adolescents and young adults

May also be an opportunistic pathogen

Treatment often involves the use of antimicrobial drugs though many cases require no treatment

Nocardia asteroides

mycetoma Produces opportunistic infections in

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