Science Image Library
Photos of Staphylococcus Bacteria

from Science Prof Online

Photo of Bacterial Colonies of Staphylococcus on TSY Agar

1. "S. epi" written on TSY agar using Staphylococcus epidermidis bacteria; 2. S. epi colonies growing on TSY agar; 3. Streak plate of S. epi on TSY agar, viewed from bottom.

1. Bacterial colonies growing on Mannitol Salt Agar (MSA). Small, white punctiform colonies are Staph.
2. Bacterial colonies growing on MSA. Weak mannitol fermenters on left. Staph epi on right.
3. Mannitol Salt Agar. Left plate is growing mannitol+ pathogen Staphylococcus aureus. Right plate growing mannitol- normal flora Staphylococcus epidermidis.
4 & 5. Mannitol Salt Agar viewed from bottom & top. Yellow side of plate is growing mannitol+ pathogen Staphylococcus aureus. Pink side of plate growing mannitol- normal flora Staphylococcus epidermidis. 
6 & 7. S. epi written in Staphylococcus epidermidis and growing on Mannitol Salt Agar.
8. Staphylococcus aureus on Mannitol Salt Agar
9. Staphylococcus aureus plated on Manntiol Salt Agar (left) and MacConkey's Agar (right). Note no growth on MacConkey's. 
1, 2, 3 &  4. Staphylococcus bacteria Gram stained and viewed at 1000xTM; 5. Staphylococcus bacterial smear Gram stained and viewed at 100xTM.
​Gram Stained Staphylococcus Bacteria (Click on photo to enlarge.)
​Staphylococcus Bacteria Colonies on Mannitol Salt (Click on photo to enlarge.)
Staphylococcus Bacteria Colonies on TSY Agar (Click on photo to enlarge.)
Science Image Library: Staphylococcus Photos
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Page last updated 5/2014

VIDEO: Mannitol Salt Agar (MSA) Specialized 
Bacterial Growth Medium
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