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PHIL Image 10861
 
ID#:10861
Description:This image depicts the quantitative difference in hemolytic reactivity seen in a trypticase soy agar culture plate containing 5% sheep’s blood growing group-D Streptococci (left wedge), group-B Streptococci (middle wedge), and group-A Streptococci (right wedge) bacteria. This plate was grown under normal atmospheric conditions, at 35oC, for a periof of 18hrs. See PHIL 10862 for a magnified view of this culture plate, at approximately 10X.

It is important to note that the group-B Strep (GBS) center wedge, produced a hemolytic reaction that was less than the reaction produced by the group-A Strep (GAS) in the right wedge of bacterial growth. Hemolysis is one of the traits that is used to help identify the bacteria. Hemolysis is the destruction of the red blood cells suspended in the agar medium.

High Resolution:Right click here and select "Save Target As..." for hi-resolution image (6.47 MB)
Content Providers(s):CDC/ Dr. Richard Facklam
Creation Date:2008
Photo Credit:
Links:
  • CDC - National Center for Immunization and Respiratory Diseases; Group-B Strep Prevention (GBS, baby strep, Group-B streptococcal bacteria)
    Categories:
    CDC Organization

    MeSH
    tree picture Organisms
    tree picture tree picture Bacteria
    tree picturetree picture tree picture Gram-Positive Bacteria
    tree picturetree picturetree picture tree picture Gram-Positive Cocci
    tree picturetree picturetree picturetree picture tree picture Staphylococcaceae
    tree picturetree picturetree picturetree picturetree picture tree picture Staphylococcus
    tree picturetree picturetree picturetree picture tree picture Streptococcaceae
    tree picturetree picturetree picturetree picturetree picture tree picture Streptococcus
    Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.
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