Science Image Library: Mannitol Salt Agar (MSA)

Science Image Library
Mannitol Salt Agar Bacterial Growth Medium

from Science Prof Online
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Mannitol Salt Agar with Plated Nasal Samples

Example of Colony Morphology of Bacteria Grown onMacConkey's
Bacteria growing on Mannitol Salt Agar, showing colony morphology.
Bacterial Growth on Mannitol Salt Agar. Weak Mannitol Fermenter on Left
Bacteria growing on Mannitol Salt Agar; weak mannitol fermenters on left, non-mannitol fermenters on right.
Bacterial Growth on Mannitol Salt Agar. Weak Mannitol Fermenter on Left
Nasal clinical samples on Mannitol Salt Agar (MSA). Growth on left plate mannitol fermenter. Right plate non-mannitol fermenter. 
Nasal Swab Sample on Mannitol Salt Agar (MSA). Non-mannitol Fermenter on Left. Mannitol Fermenter Right
Nasal swab sample on Mannitol Salt Agar (MSA). Non-mannitol fermenter on left. Mannitol fermenter on right, viewed from bottom.
Nasal Swab Sample Mannitol Salt Agar (MSA). Non-mannitol Fermenter Left. Mannitol Fermenter Right
Nasal swab sample on Mannitol Salt Agar (MSA). Mannitol fermenter on left. Non-mannitol fermenter on right, viewed from top.
Staphylococcus epidermidis Growing on Mannitol Salt Agar, Showing Punctiform Colony Morphology
Staphylococcus epidermis growing on Mannitol Salt Agar, showing punctiform Staphylococcus epidermidis 
colony morphology.
Sterile Mannitol Salt Agar with Reflection of Camera
Sterile Mannitol Salt Agar with reflection of camera.
Photo of Sterile Mannitol Salt Agar
Sterile, Labeled Mannitol Salt Agar (MSA).
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Page last updated 10/2014
SCIENCE PHOTOS
Nasal Samples of Bacteria Plated on TSY and on Mannitol Salt Agar
Nasal samples plated on TSY (left) and Mannitol Salt Agar (right). Mannitol Salt showing halophilic bacteria that are normal flora of the nose.
Photo of an unknown bacteria plated on Mannitol Salt Agar and MacConkeys Agar
Unknown bacteria plated on Mannitol Salt Agar (left) and MacConkey's Agar (right). Note that there is no growth on MacConkey's. What do you think the unknown bacterium is?
Mannitol Salt Agar control plate. Staph aureus (top left) Staph epi (top right). Other sections inoculated with non-halophilic bacteria or sterile loop (negative control).
S. epi written in 
Staphylococcus epidermidis 
bacteria and growing on Mannitol Salt Agar.
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VIDEO: Mannitol Salt Agar (MSA) Specialized 
Bacterial Growth Medium
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Mannitol Salt Agar (MSA)

Mannitol Salt Agar control plate. Staph aureus (top left) Staph epi (top right). Other sections inoculated with non-halophilic bacteria or sterile loop (negative control).
Mannitol Salt Agar control plate. Staph aureus (top left) Staph epi (top right). Other sections inoculated with non-halophilic bacteria or sterile loop (negative control).
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