Habitat and Morphology of Mycoplasma pneumoniae

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Habitat of Mycoplasma pneumoniae

  1. They are found in the mucosa of upper respiratory tract (UTR) and urogenital tract of humans.
  2. Also found in oral cavity.
  3. They are also present in sewage, plants, animals, insects, humans and hot springs.
  4. They grow slowly than bacteria.
  5. They are self-replicating bacteria.
  6. They are atypical bacteria.
  7. They do not grow in the environment.
  8. They depends on the host for nutrient exchange and survival.
  9. They are parasitic bacterium.
  10. They require sterol for their nutrition.
  11. They usually divide by binary fission.

Habitat and Morphology of Mycoplasma pneumoniae

Morphology of Mycoplasma pneumoniae

  1. They lack rigid cell wall.
  2. They are small non-motile bacterium.
  3. They form fried egg shaped colonies.
  4. They are about 100-200 nm width and 1000-2000 nm in length.
  5. Some of them are spherical shaped (300-800 nm).
  6. They are pleomorphic (Able to change shape)
  7. They may be rod like, ring like, globoid or filamentous.
  8. They are ultra-filterable.
  9. They do not produce spores.
  10. Cells are surrounded by a triple layered lipo-proteinaceous unit membrane which is 10 nm thick.
  11. They are not easily examined by light microscope.
  12. Capsule are present to facilitate adherence to the host cell.

Genomes of Mycoplasma pneumoniae

  1. They are 816394 base pair long.
  2. GC Content: 40%.
  3. Codes for 700 proteins
  4. They have 677 open reading frames (ORF)

About Author

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Sagar Aryal

Sagar Aryal is a microbiologist and a scientific blogger. He is doing his Ph.D. at the Central Department of Microbiology, Tribhuvan University, Kathmandu, Nepal. He was awarded the DAAD Research Grant to conduct part of his Ph.D. research work for two years (2019-2021) at Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. Sagar is interested in research on actinobacteria, myxobacteria, and natural products. He is the Research Head of the Department of Natural Products, Kathmandu Research Institute for Biological Sciences (KRIBS), Lalitpur, Nepal. Sagar has more than ten years of experience in blogging, content writing, and SEO. Sagar was awarded the SfAM Communications Award 2015: Professional Communicator Category from the Society for Applied Microbiology (Now: Applied Microbiology International), Cambridge, United Kingdom (UK). Sagar is also the ASM Young Ambassador to Nepal for the American Society for Microbiology since 2023 onwards.

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