Gram Positive Bacteria Collection

Staphylococcus aureus bacteria
Staphylococcus aureus. Coloured Scanning Electron Micrograph (SEM) of Staphylococcus aureus bacteria. These Gram-positive bacteria cause skin infections

MRSA resistant Staphylococcus bacteria
MRSA: resistant Staphylococcus bacteria. Coloured transmission electron micrograph (TEM) of a deadly cluster of MRSA Staphylococcus aureus bacteria

Microscopic view of bacterial pneumonia. Bacterial pneumonia is a type of pneumonia caused by bacterial infection. Pneumonia can be generally defined as inflammation of the lung parenchyma

Microscopic view of Streptococcus pneumoniae, also known as pneumococcus. Pneumococcus is a Gram-positive coccus shaped pathogenic bacteria which causes many types of pneumococcal infections in

Bacillus subtilis bacteria, SEM
Bacillus subtilis. Coloured scanning electron micrograph (SEM) of Bacillus subtilis bacteria. B. subtilis, or hay bacillus, is an aerobic, gram-positive bacillus(rod-shaped bacterium)

Coloured SEM of Clostridium botulinum
Food poisoning bacterium. Coloured scanning electron micrograph of the Gram-positive anaerobic bacteria Clostridium botulinum, responsible for serious food poisoning in humans. C

Red blood cells on an agar plate are used to diagnose infection. The plate on the left shows a positive staphyloccus infection

Microscopic view of diplococcus bacterium

Microscopic view of Methicillin-resistant Staphylococcus aureus (MRSA). MRSA is a bacterium responsible for several difficult-to-treat infections in humans

Microscopic view of streptococcus

A colorized scanning electron micrograph of a white blood cell eating MRSA
A colorized scanning electron micrograph of a white blood cell eating an antibiotic resistant strain of Staphylococcus aureus bacteria, commonly known as MRSA

Conceptual image of Lactobacillus acidophilus. Lactobacillus is a gram-positive bacteria that occurs naturally in the human and animal gastrointestinal tract and mouth

Microscopic view of cocci bacterium

Scanning electron micrograph of a human neutrophil ingesting MRSA

Microscopic view of Tetanus. Tetanus is caused by the tetanus bacterium, Clostridium tetani. Tetanus is often associated with rust

Microscopic view of Listeria monocytogenes. Listeria monocytogenes is the causative agent of the bacterial infection called listeriosis

Microscopic view of staphylococcus

Scanning electron micrograph of Staphylococcus and a dead human neutrophil
Scanning electron micrograph of methicillin-resistant Staphylococcus aureus and a dead human neutrophil

Microscopic view of corncob formation in dental plaque, believed to be limited to strains of Corynebacterium matruchotii and Streptococcus sanguis

F / col TEM of Corynebacterium diphtheria
False-colour transmission electron micrograph (TEM) of Corynebacterium diphtheria, showing a number of the Gram-positive, non-sporing

Corynebacterium diphtheria bacteria

False-colour TEM of Clostridium botulinum

TEM of Staphylococcus aureus bacteria
Staphylococcus bacteria. Transmission electron micrograph (TEM) of sectioned Staphylococcus aureus bacteria. Staphylococcus aureus are Gram- positive coccal (spherical) bacteria

Skin bacterium enclosed in a capsule
Bacterial capsule. Transmission electron micrograph (TEM) through an unidentified skin bacterium encased in a capsule (black)

False-colour SEM of Staphyloccus sp
False-colour scanning electron micrograph (SEM) of a colony of the spherical genus of bacteria, Staphylococcus sp. These gram-positive bacteria appear in groups that resemble clusters of grapes

Staphylococcus aureus bacteria dividing
Staphylococcus bacteria. Coloured transmission electron micrograph (TEM) of Staphylococcus aureus bacteria (light blue), some undergoing cell division

LM of staphylococcus aureus
Light micrograph of the spherical bacteria, Staphylococcus aureus (gram positive) scattered on agar. These bacteria are commonly found on healthy human skin & mucous membranes

Streptococcus pneumoniae bacteria

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Gram positive bacteria are a diverse group of microorganisms that play a significant role in both human health and disease. One well-known example is Staphylococcus aureus, which can cause various infections ranging from skin infections to life-threatening conditions. Another notable member is MRSA resistant Staphylococcus bacteria, which poses a challenge due to its resistance to common antibiotics. Illustrations of Streptococcus bacteria showcase their characteristic chain-like arrangement, responsible for causing strep throat and other respiratory infections. Bacillus subtilis bacteria, as seen through scanning electron microscopy (SEM), display their rod-shaped structure and are commonly found in soil. Microscopic views of staphylococcus reveal their spherical shape arranged in clusters or pairs. These gram-positive cocci can cause numerous diseases such as skin abscesses and bloodstream infections. Similarly, diplococcus bacterium appears under the microscope as two round cells joined together, often associated with certain types of pneumonia. Listeria monocytogenes, another gram-positive bacterium depicted at the microscopic level, is known for causing foodborne illnesses that can be particularly dangerous for pregnant women and individuals with weakened immune systems. In diagnostic settings, red blood cells on an agar plate serve as indicators for infection caused by gram-positive bacteria. By observing bacterial growth patterns around these cells, healthcare professionals can identify specific pathogens present in patient samples. Lastly but not least important is Methicillin-resistant Staphylococcus aureus (MRSA), shown under the microscope with its distinctive appearance. This antibiotic-resistant strain has become a major concern worldwide due to its ability to cause severe hospital-acquired infections.