POSTED BY: HUANG JIAFENGClostridium perfringens
Staphylococcus aureus
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrR-cjDjZjNNqnLriixo5xCm_IG_8CPYkJChyphTV_-tIBxBGbz9xaHcKW_2ZXcuhB8r-JWk6abZU-cVULSD8aiAwtNbFm5fi1zkhbmwutZyqJH4YIFKFCwDDmJL3dJAGgxvEhSAAbeTs/s320/Staphylococcus_aureus_Gram.jpg)
This picture shows
Staphylococcus aureus after Gram staining. It shows that they are Gram positive cocci in irregular clusters.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHzYbSIwr9PpGfg5qnGXVdwDb4RkpYTZcmMnhp18Tmd9aFz5FiKJNbZlW8uUIw3Rz5AHUFvZTkE5QO2qAHK5bwLkp59gXFKaBCK-vO4dfkqefK2eUCe9uh16XPaJHViz9A1z3krZTdhRg/s320/800px-Agarplate_redbloodcells.jpg)
On the left, the plate shows a positive staphyloccus infection. Whereas on the right, the plate shows a positive streptococcus infection and with the halo effect that shows specifically a beta-hemolytic group A.
Source
Bacillus cereus![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghFCgDWwUsm0_PPjs81cVLTEGYROgg4nc860NCXbazxGk6xLFPOPa8b9rCzGqgvY0aFfuWOIfzYOgex8XkvIJk5z_uq8bYWDYtn_OJlGo6C5vZBxeMeLcrWwN1dpTNqY6AcF9ISRX2G4w/s320/240px-Bacillus_cereus_01.png)
This picture shows beta hemolysis of
Bacillus cereus on sheep blood agar.
Escherichia coli
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2HO-_wG0zq2iVwuK0sLQtWnEAXVfixfhxFABpwAzbgc4NdFU0UCJo-AUSddUiTcL7t2mp_WwHf8_zMKUP1YQ5Rz7u3jnLn_TRqbIxOrbQcB0qXYmqU4WDth22keZxn6RO2UPIk5jdRZA/s320/713px-EscherichiaColi_NIAID.jpg)
This picture shows the scanning electron micrograph of
Escherichia coli, grown in culture and adhered to a cover slip. Credit: Rocky Mountain Laboratories, NIAID, NIH.
Source
Vibrio cholerae
All pictures are taken from the public domian
1 comment:
nice pictures. helpful for a better understanding through ppts for students. thanks. could make use of more similar entries.
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