All Notes

Gram-Negative Cocci (GNC) Bacteria: Introduction, List of Bacteria, and Related Footages

Gram Negative Diplococci in Gram staining of Urethral Discharge

Introduction of Gram-Negative Cocci (GNC) Bacteria

Medically relevant Gram-Negative Cocci (GNC) Bacteria are Neisseria gonorrhoeae (causative agent of sexually transmitted disease), Neisseria meningitidis (causes meningitis), Moraxella catarrhalis (responsible for respiratory symptoms), Veillonella parvula (anaerobic gram-negative coccus cause osteomyelitis).

List of Gram-Negative Cocci Bacteria

S. No.
Bacteria
1.Neisseria gonorrhoeae
2.Neisseria meningitidis
3.Moraxella catarrhalis
4.Veillonella parvula
Table: Gram-Negative Cocci Bacteria

Footages of Gram-Negative Cocci Bacteria

Gram Negative Diplococci in Gram staining of Urethral Discharge

Fig. Gram-Negative Diplococci intracellular as well as extracellular in Gram staining of Urethral Discharge at a magnification of 2000X

Neisseria gonorrhoeae colony morphology on chocolate agar

Fig. Neisseria gonorrhoeae colony morphology on chocolate agar

Neisseria oxidase test positive

Fig. Neisseria oxidase test positive

Neisseria meningitidis colony morphology on blood agar

Fig. Neisseria meningitidis colony morphology on blood agar (mixed growth- mucoid type)

Gram-negative diplococci of Neisseria meningitidis in Gram staining of culture

Fig. Gram-negative diplococci of Neisseria meningitidis in Gram staining of culture at a magnification of 1000X

Moraxella colony morphology on blood agar

Fig. Moraxella colony morphology on blood agar

Gram-negative cocci of Moraxella in Gram staining of culture

Fig. Gram-negative cocci of Moraxella in Gram staining of culture

Moraxella lacunata in Gram stain

Fig. Moraxella lacunata in Gram stain of culture at a magnification of 2000X

Further Readings

  1. Mackie and Mc Cartney Practical Medical Microbiology. Editors: J.G. Colle, A.G. Fraser, B.P. Marmion, A. Simmous, 4th ed, Publisher Churchill Living Stone, New York, Melborne, Sans Franscisco 1996.
  2. Textbook of Diagnostic Microbiology. Editors: Connie R. Mahon, Donald G. Lehman & George Manuselis, 3rd edition2007, Publisher Elsevier.
  3. Manual of Clinical Microbiology. Editors: P.R. Murray, E. J. Baron, M. A. Pfaller, F. C. Tenover and R. H. Yolken, 7th ed 2005, Publisher ASM, USA
  4. Bailey & Scott’s Diagnostic Microbiology. Editors: Bettey A. Forbes, Daniel F. Sahm & Alice S. Weissfeld, 12th ed 2007, Publisher Elsevier.
  5. https://en.wikipedia.org/wiki/Gram-negative_bacteria
  6. Clinical Microbiology Procedure Handbook Chief in editor H.D. Isenberg, Albert Einstein College of Medicine, New York, Publisher ASM (American Society for Microbiology), Washington DC.
  7. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1829049/
Medical Lab Notes

View Comments

  • Some really nice and utilitarian info on this internet site, as well I think the style and design has got great features.

  • I appreciate your work, appreciate it for all the useful posts.

  • This is a very good tips especially to those new to blogosphere, brief and accurate information… Thanks for sharing this one. A must read article.

  • Hi there! This post couldn’t be written any better! Reading through this post reminds me of my previous room mate! He always kept talking about this. I will forward this article to him. Pretty sure he will have a good read. Thank you for sharing!

  • Αn outstanding share! I have just forwarded this onfo a co-ѡorker who
    had been dοing a little reѕearch on this.

    And he actually bought me breaҝfast becauѕe I found it for him...
    lol. So llet me reword this.... Thanks for theｅ meaⅼ!!
    But yeah, thanx foor spenmding some timе to tak about this matter here on your web site.

  • It is in point of fact a nice and useful piece of info. I’m happy that you shared this helpful information with us. Please keep us informed like this. Thank you for sharing.

  • I simply couldn't leave your website before suggesting that I really enjoyed the standard information a person provide in your guests? Is going to be back regularly to check out new posts.

  • Some times its a pain in the ass to read what website owners wrote but this web site is rattling user genial! .

Leave a Comment
Share
Published by
Medical Lab Notes
Tags: BacteriaFootages of Gram-Negative Cocci BacteriaGram Negative bacteriaGram negative cocciGram negative cocci of Moraxella in Gram staining of cultureGram Negative Diplococci in Gram staining of Urethral DischargeGram negative diplococci of Neisseria meningitidis in Gram staining of cultureGram StainGram-Negative Cocci BacteriaGram-negative cocci of Moraxella in Gram staining of cultureGram-Negative Diplococci intracellular as well as extracellular in Gram staining of Urethral Discharge at a magnification of 2000XGram-negative diplococci of Neisseria meningitidis in Gram staining of culture at a magnification of 1000XIntroduction of Gram Negative Cocci (GNC) BacteriaList of GNCList of Gram-Negative Cocci BacteriaMedicallabnotesMedlabsolutionsMedlabsolutions9MicrohubMoraxella colony morphology on blood agarMoraxella lacunata in Gram stainMoraxella lacunata in Gram stain of culture at a magnification of 2000XmruniverseiNeisseria gonorrhoeae colony morphology on chocolate agarNeisseria meningitidis colony morphology on blood agarNeisseria meningitidis colony morphology on blood agar (mixed growth- mucoid type)Neisseria oxidase test positiveUniverse84a
5 years ago

Recent Posts

Cladophialophora: Introduction, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynote

Introduction Taxonomy: Belongs to the kingdom Fungi, phylum Ascomycota, and family Herpotrichiellaceae. Synonyms: Cladophialophora bantiana…

5 days ago

Rothia: Introduction, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynote

Introduction Rothia is a genus of Gram-positive cocco-bacilli belonging to the Micrococcaceae family. The major…

1 week ago

Viral Nucleic Acid Extraction Kits: Introduction, Principle, Common Procedure, Application, and Keynotes

Introduction Viral Nucleic Acid Extraction Kits are specialized laboratory tools used to isolate high-quality viral…

1 week ago

NT-proBNP: Introduction, Principle, Procedure, Result Interpretation, Clinical Significance, and Keynotes

Introduction The NT-proBNP (N-terminal pro B-type Natriuretic Peptide) test is a vital cardiac biomarker blood…

1 week ago

QuantiFERON-TB Gold Plus (QFT-Plus): Introduction, Principle, Procedure, Result Interpretation, Clinical Significance, and Keynotes

 Introduction The QuantiFERON-TB Gold Plus (QFT-Plus) is a highly sensitive fourth-generation Interferon Gamma Release Assay…

1 week ago

Acinetobacter lwoffii: Introduction, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Acinetobacter lwoffii is a Gram-negative, strictly aerobic, non-motile, non-fermenting, and oxidase-negative bacterium. It belongs…

2 weeks ago