Key Phrases Used in Microbiology Lab Reports

Gram-positive Bacteria

1. “Gram-positive cocci in clusters” may suggest Staphyloccocus species.
2. “Gram-positive cocci in pairs and chains” may suggest Streptococcus species or Enterococcus species.
3. “Gram-positive diplococci” may suggest Streptococcus pneumoniae.
4. “Branching Gram-positive rods, modified acid-fast stain positive” may suggest Nocardia species.

Gram-negative Bacteria

• “Gram-negative coccobacilli” may suggest Haemophilus species.
• “Gram-negative intracellular diplococci” may suggest Neisseria species.
• The organism that is present in “rice-watery-stools” and gives “Darting Motility” may suggest Vibrio Cholerae. It is a comma-shaped organism.
• “Lactose fermenting Gram-negative rods” may suggest Enterobacteriaceae.
• “Non-lactose fermenting Gram-negative rods, oxidase-positive” may suggest Pseudomonas species.

Others

1. “Acid-fast bacilli” or “AFB” may suggest Mycobacterium species.
2. “Germ-tube negative yeast” suggests non-Candida albicans yeasts.
3. Candida albicans is a germ-tube-positive yeast.
4. “Budding yeast” suggests yeast.
5. “Fungal elements or hyphal elements” suggests mold.

References:

Antimicrobial Guidebook University of Nebraska Medical Center

Acharya Tankeshwar

Hello, thank you for visiting my blog. I am Tankeshwar Acharya. Blogging is my passion. As an asst. professor, I am teaching microbiology and immunology to medical and nursing students at PAHS, Nepal. I have been working as a microbiologist at Patan hospital for more than 10 years.

One response to “Key Phrases Used in Microbiology Lab Reports”

1. peace says:

   November 5, 2015 at 9:21 am

   thank you…..

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