Marrow - #mcqwithmarrow #imagebased The factor responsible for the appearance of pneumococcal colonies depicted in the image is: A. Capsular polysaccharide B. Pneumolysin C. Autolysin D. All of the above | Facebook
![Streptococcus pneumoniae colonies, R-phase. Colonies of pneumococci with autolytic changes. Depressed centers of colonies (crater-like colonies). Streptococcus pneumoniae colonies, R-phase. Colonies of pneumococci with autolytic changes. Depressed centers of colonies (crater-like colonies).](http://www.bacteriainphotos.com/photo%20gallery/Streptococcus%20pneumoniae%202.jpg)
Streptococcus pneumoniae colonies, R-phase. Colonies of pneumococci with autolytic changes. Depressed centers of colonies (crater-like colonies).
![Streptococcus pneumoniae R form (R phase) colonies in detail. Alpha-hemolysis of Streptococcus pneumoniae on blood agar. Colonies characteristic of pneumococci. S.pneumoniae colonies with depresses centers. Morphology of Streptococcus pneumoniae ... Streptococcus pneumoniae R form (R phase) colonies in detail. Alpha-hemolysis of Streptococcus pneumoniae on blood agar. Colonies characteristic of pneumococci. S.pneumoniae colonies with depresses centers. Morphology of Streptococcus pneumoniae ...](https://www.microbiologyinpictures.com/bacteria%20photos/streptococcus%20pneumoniae%20photos/streptococcus%20pneumoniae%20012.jpg)
Streptococcus pneumoniae R form (R phase) colonies in detail. Alpha-hemolysis of Streptococcus pneumoniae on blood agar. Colonies characteristic of pneumococci. S.pneumoniae colonies with depresses centers. Morphology of Streptococcus pneumoniae ...
![Streptococcus pneumoniae colony morphology and microscopic appearance, basic characteristic and tests for identification of Streptococcus pneumoniae bacteria. Images of S.pneumoniae. Antibiotic treatment of pneumoococcal infections. Streptococcus pneumoniae colony morphology and microscopic appearance, basic characteristic and tests for identification of Streptococcus pneumoniae bacteria. Images of S.pneumoniae. Antibiotic treatment of pneumoococcal infections.](https://www.microbiologyinpictures.com/thumbnails/STPN/streptococcus%20pneumoniae%2004.jpg)
Streptococcus pneumoniae colony morphology and microscopic appearance, basic characteristic and tests for identification of Streptococcus pneumoniae bacteria. Images of S.pneumoniae. Antibiotic treatment of pneumoococcal infections.
![Alpha-hemolysis of Streptococcus pneumoniae on blood agar. Colonies characteristic of pneumococci. S.pneumoniae colonies with depresses centers. Morphology of Streptococcus pneumoniae colonies, R phase. Alpha-hemolysis of Streptococcus pneumoniae on blood agar. Colonies characteristic of pneumococci. S.pneumoniae colonies with depresses centers. Morphology of Streptococcus pneumoniae colonies, R phase.](https://www.microbiologyinpictures.com/bacteria%20photos/streptococcus%20pneumoniae%20photos/streptococcus%20pneumoniae%20011D.jpg)
Alpha-hemolysis of Streptococcus pneumoniae on blood agar. Colonies characteristic of pneumococci. S.pneumoniae colonies with depresses centers. Morphology of Streptococcus pneumoniae colonies, R phase.
![Streptococcus pneumoniae under microscope: microscopy of Gram-positive cocci, morphology and microscopic appearance of Streptococcus pneumoniae, Streptococcus pneumoniae gram stain and colony morphology on agar, clinical significance. Streptococcus pneumoniae under microscope: microscopy of Gram-positive cocci, morphology and microscopic appearance of Streptococcus pneumoniae, Streptococcus pneumoniae gram stain and colony morphology on agar, clinical significance.](http://www.bacteriainphotos.com/bacteria%20under%20microscope/bacterial%20colonies/pneumococcus%20larger/pneumococcus%20virulent.jpg)
Streptococcus pneumoniae under microscope: microscopy of Gram-positive cocci, morphology and microscopic appearance of Streptococcus pneumoniae, Streptococcus pneumoniae gram stain and colony morphology on agar, clinical significance.
![Microbiology on Instagram: “1. Streptococcus pneumoniae 2. Streptococcus pyogenes 3. Streptococcus agalactiae Gram stain-colony morphology #microbiology…” Microbiology on Instagram: “1. Streptococcus pneumoniae 2. Streptococcus pyogenes 3. Streptococcus agalactiae Gram stain-colony morphology #microbiology…”](https://i.pinimg.com/736x/0d/05/5b/0d055b9f7927f681f2b7f4ebcf19ad8f.jpg)
Microbiology on Instagram: “1. Streptococcus pneumoniae 2. Streptococcus pyogenes 3. Streptococcus agalactiae Gram stain-colony morphology #microbiology…”
Isolation of Streptococcus pneumoniae from the sputum samples and their antimicrobial resistance in Biratnagar, Nepal
A New Variant of the Capsule 3 Cluster Occurs in Streptococcus pneumoniae from Deceased Wild Chimpanzees | PLOS ONE
![Proteomic comparisons of opaque and transparent variants of Streptococcus pneumoniae by two dimensional-differential gel electrophoresis | Scientific Reports Proteomic comparisons of opaque and transparent variants of Streptococcus pneumoniae by two dimensional-differential gel electrophoresis | Scientific Reports](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41598-017-02465-x/MediaObjects/41598_2017_2465_Fig1_HTML.jpg)
Proteomic comparisons of opaque and transparent variants of Streptococcus pneumoniae by two dimensional-differential gel electrophoresis | Scientific Reports
![Streptococcus pneumoniae colonies - virulent strain. Colonies of encapsulated pneumococci are round and glistening with alpha-hemolysis on blood agar. Streptococcus pneumoniae colonies - virulent strain. Colonies of encapsulated pneumococci are round and glistening with alpha-hemolysis on blood agar.](http://www.bacteriainphotos.com/photo%20gallery/streptococcus%20pneumoniae%20B.jpg)
Streptococcus pneumoniae colonies - virulent strain. Colonies of encapsulated pneumococci are round and glistening with alpha-hemolysis on blood agar.
![Streptococcus pneumoniae colonies compared with viridans streptococci growing on blood agar. How to distinguish pneumococcus from other viridans (alpha-hemolytic) streptococci. Streptococcus pneumoniae colonies compared with viridans streptococci growing on blood agar. How to distinguish pneumococcus from other viridans (alpha-hemolytic) streptococci.](https://www.microbiologyinpictures.com/bacteria%20photos/streptococcus%20pneumoniae%20photos/streptococcus%20pneumoniae%2005.jpg)
Streptococcus pneumoniae colonies compared with viridans streptococci growing on blood agar. How to distinguish pneumococcus from other viridans (alpha-hemolytic) streptococci.
![Streptococcus pneumoniae colonies and alpha-hemolysis on blood agar. What type of hemolysis has Streptococcus pneumoniae? Streptococcus pneumoniae colonies and alpha-hemolysis on blood agar. What type of hemolysis has Streptococcus pneumoniae?](https://www.microbiologyinpictures.com/bacteria%20photos/streptococcus%20pneumoniae%20photos/streptococcus%20pneumoniae%20017.jpg)
Streptococcus pneumoniae colonies and alpha-hemolysis on blood agar. What type of hemolysis has Streptococcus pneumoniae?
![Streptococcus pneumoniae colony morphology and microscopic appearance, basic characteristic and tests for identification of Streptococcus pneumoniae bacteria. Images of S.pneumoniae. Antibiotic treatment of pneumoococcal infections. Streptococcus pneumoniae colony morphology and microscopic appearance, basic characteristic and tests for identification of Streptococcus pneumoniae bacteria. Images of S.pneumoniae. Antibiotic treatment of pneumoococcal infections.](https://www.microbiologyinpictures.com/thumbnails/STPN/streptococcus%20pneumoniae%2002.jpg)
Streptococcus pneumoniae colony morphology and microscopic appearance, basic characteristic and tests for identification of Streptococcus pneumoniae bacteria. Images of S.pneumoniae. Antibiotic treatment of pneumoococcal infections.
![Colony morphology of various S. pneumoniae strains grown on blood agar.... | Download Scientific Diagram Colony morphology of various S. pneumoniae strains grown on blood agar.... | Download Scientific Diagram](https://www.researchgate.net/profile/John-Glass-6/publication/8150447/figure/fig2/AS:281162745434125@1444045830315/Colony-morphology-of-various-S-pneumoniae-strains-grown-on-blood-agar-A-D39-B-R6.png)
Colony morphology of various S. pneumoniae strains grown on blood agar.... | Download Scientific Diagram
![fortheloveofmicrobiology on Twitter: "Streptococcus pneumoniae on blood agar. Draughtsman appearance is an indicative culture-based test for Pneumococcus. They are usually seen in 24 – 48 hrs of prolonged incubation in blood agar fortheloveofmicrobiology on Twitter: "Streptococcus pneumoniae on blood agar. Draughtsman appearance is an indicative culture-based test for Pneumococcus. They are usually seen in 24 – 48 hrs of prolonged incubation in blood agar](https://pbs.twimg.com/media/FEpXkPDXEAoK1pl.jpg)
fortheloveofmicrobiology on Twitter: "Streptococcus pneumoniae on blood agar. Draughtsman appearance is an indicative culture-based test for Pneumococcus. They are usually seen in 24 – 48 hrs of prolonged incubation in blood agar
![Streptococcus pneumoniae under microscope: microscopy of Gram-positive cocci, morphology and microscopic appearance of Streptococcus pneumoniae, Streptococcus pneumoniae gram stain and colony morphology on agar, clinical significance. Streptococcus pneumoniae under microscope: microscopy of Gram-positive cocci, morphology and microscopic appearance of Streptococcus pneumoniae, Streptococcus pneumoniae gram stain and colony morphology on agar, clinical significance.](http://www.bacteriainphotos.com/bacteria%20under%20microscope/bacterial%20colonies/pneumococcus%20larger/pneumococcus.jpg)