Habitat and Morphology of Neisseria gonorrhoeae

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Habitat and Morphology of Neisseria gonorrhoeae

Habitat of Neisseria gonorrhoeae

  1. Human is only the natural host.
  2. Found in human urogenital tract.
  3. Rectal carriage in healthy individuals.
  4. Typically seen in pus cells (intracellular)
  5. Found intracellularly in polymorphonuclear leukocytes, or a specific category of white blood cells with varying shapes of nuclei.

Morphology of Neisseria gonorrhoeae

  1. Gram –ve cocci
  2. Shape is spherical
  3. Coffee bean shaped diplococcic
  4. Diameter: 0.6 to 1 um
  5. Usually seen in pairs with adjacent sides flattened
  6. LPS has highly branched basal oligosaccharide structure
  7. Contains fimbriae
  8. Possess pili on the surface
  9. Motile (Twitching motility)
  10. Non-capsulated
  11. Non-sporing

Genome of Neisseria gonorrhoeae

  1. Circular DNA genome
  2. 2069 Genes
  3. 67 Structural RNA’s
  4. Genome Length: 2,153,922 nt
  5. Protein encoding genes: 2002
  6. G+C Content: 52.4%
  7. Have surface protein called Opa protein.

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.

5 thoughts on “Habitat and Morphology of Neisseria gonorrhoeae”

  1. Iam Ibrahim Likhon. I have completed Bsc in health technology (Laboratory)and Masters in Microbiology.Working in a biochemistry and Microbiology in a reputed organization. I am Bangladeshi.I want a research broadly in bacteriology and higher degree in any country.

    Reply

  2. Iam Khalid Madani…Iam veterinarian…Iam intersting in microbiology &pathology. ..my question; Is there any evidence or approve of presence of Nesseira in animals body or it is absolutely rare .

    Reply

  3. hi Sagar,thanks for putting up such a nice note to make study of microbes simple.
    I am Frederick from Ghana,I did my Mphil in Biochemistry and working on getting antidote against some selected NTDs.

    I’ll be glad to chat u privately.

    Reply

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