Mycoplasma

The mycoplasmes (the Mycoplasma ) are Bactérie S pertaining to Mycoplasmataceae , to Mycoplasmatales and to Mollicutes . The kind contains more than 100 S.

According to the species, the genome has a size ranging between 0,6 and 1,35 Mpb (méga- Paires of bases), and weak a Coefficient of Chargaff (contained in G + C, from 18 to 40 mol%). They are demanding in Cholestérol for the growth. On mediums gélosé, the colonies are small and have a typical fried egg aspect.

The mycoplasmes are parasitic S commensaux of the man and animals and have an interest in human Médecine and veterinary. The habitat of the Mycoplasma is the mucous surface of the respiratory Tractus or genital, the Yeux, the glands mammaires, the articulation S of the animal or the Homme.

Some S:

  • Mycoplasma hominis is responsible for genital infections (Urétrite, Cervicite, Vaginite, Salpingite, problems of sterility), but there is also many healthy carriers. It is a Sexually transmitted disease.

  • Mycoplasma genitalium is a parasitic bacterium of the genital tract and repiratoire of the Primate S and can cause genital infections.

  • Mycoplasma pneumoniae causes acute respiratory infections more frequent in the child as from 5 years and the young adult. In the majority of the cases, these infections result in simple Trachéobronchite S.

  • Mycoplasma mycoides subsp. mycoides (standard small colony) is the agent of the péripneumonie or pleuropneumonie Bovidae (Péripneumonie contagious bovine PPCB). It is a respiratory Pathologie serious assigning to the bovine servants, the Buffle S, Yack S and Zébu S. This disease became the first bovine Pathologie in Africa by the economic consequences which it involves.

  • Mycoplasma agalactiae is the agent of the agalaxie goats and sheep.

  • Mycoplasma bovis is pathogenic Bovin S (responsible for mammites and abortions in the adult, for Pneumonie and Arthrite S at calves and the young bovines).

  • Mycoplasma gallisepticum causes respiratory diseases at the Oiseaux (hen, Dindon).

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