Gram-Positive Bacilli: Anthrax & Diphtheriae

A Gram-positive, club-shaped bacterium that can cause diphtheria.

A toxin produced by some strains of Corynebacterium diphtheriae that causes serious illness.

A test used to detect the presence of diphtheria toxin.

Gram-positive bacteria that resemble C. diphtheriae but are not pathogenic (non-disease causing).

A Gram-positive, rod-shaped bacterium that can cause listeriosis, especially in pregnant women and newborns, and is also linked to food poisoning from contaminated dairy or meat products.

Gram-positive rods (or coccobacilli) arranged in short chains, non-capsulated, motile bacteria.

Can cause abortion, premature birth, sepsis in pregnancy, neonatal meningitis, or sepsis and meningitis in immunocompromised adults. Possibly foodborne.

A type of bacteria characterized by a positive Gram stain, and a rod shape.

A staining technique used to differentiate bacteria based on their cell wall structure.

Bacteria with a thick peptidoglycan layer that retains the crystal violet stain during Gram staining.

Some Gram-positive bacteria, like Bacillus anthracis, have a protective capsule that helps them evade the host's immune system.

Certain gram-positive bacteria, such as Bacillus species, can form endospores, resistant structures that survive harsh environmental conditions.

Characteristic dark-staining bodies found within Corynebacterium diphtheriae cells, appearing as granules.

Gram-positive bacillus, causing diphtheria, club-shaped, arranged in Chinese letters, with metachromatic granules.

Virulence factor of Corynebacterium diphtheriae that causes the characteristic symptoms of diphtheria.

Upper respiratory tract infection caused by Corynebacterium diphtheriae, characterized by a pseudomembrane and toxemia.

Throat swab from the pseudomembrane.

Bacteria with a thick peptidoglycan layer that retains crystal violet stain.

Some gram-positive bacteria develop a protective layer to evade the immune system.

Certain gram-positive bacteria produce resistant structures that survive harsh conditions.

Dark-staining bodies in Corynebacterium diphtheriae cells.

Gram-positive bacillus causing diphtheria, with club-shaped cells and metachromatic granules.

Harmful toxin from Corynebacterium diphtheriae causing severe illness.

Upper respiratory infection caused by Corynebacterium diphtheriae, characterized by a pseudomembrane and toxemia.

Throat swab from the pseudomembrane

Rod-shaped bacteria that stain purple in a Gram stain.

Gram-positive, club-shaped bacteria that cause diphtheria; often arranged in "Chinese letters" patterns.

An upper respiratory infection caused by Corynebacterium diphtheriae.

Dark-staining structures seen in Corynebacterium diphtheriae cells, key for identification.

Tests if a bacteria Corynebacterium diphtheriae produces a toxin.

Gram-positive, rod-shaped bacteria that can cause food poisoning and severe infections, particularly in newborns, and pregnant women.

Gram-positive, rod-shaped bacteria that are often arranged in short chains and are motile.

A laboratory technique to distinguish bacteria based on their cell wall composition.

Throat swab taken from the affected area (pseudomembrane).

Rod-shaped bacteria that retain the crystal violet stain in a Gram stain.

A Gram-positive, club-shaped bacterium that can cause diphtheria.

An upper respiratory tract infection caused by Corynebacterium diphtheriae .

A test used to detect the presence of diphtheria toxin.

Unique, dark-staining structures within Corynebacterium diphtheriae cells.

A Gram-positive, rod-shaped bacterium causing Listeriosis.

Gram-positive rods arranged in short chains, motile bacteria.

Infection caused by Listeria monocytogenes, often severe in pregnant women and newborns.

A staining technique used to categorize bacteria based on their cell wall structure.

Bacteria that have a thick peptidoglycan layer in their cell wall, retaining the crystal violet stain during Gram staining.

Some gram-positive bacteria produce a protective outer layer (capsule) that helps them avoid the host's immune system.

Certain gram-positive bacteria can create highly resistant structures (endospores) that survive harsh conditions.

Unique granules found in Corynebacterium diphtheriae; these are dark-staining bodies, appearing as granules within the cell.

A gram-positive bacillus causing diphtheria, with a distinctive club shape and characteristic metachromatic granules.

A harmful toxin produced by Corynebacterium diphtheriae that causes the severe symptoms associated with the disease.

An upper respiratory tract infection caused by Corynebacterium diphtheriae, marked by a pseudomembrane and toxin related symptoms.

A throat swab taken from the pseudomembrane to confirm the presence of Corynebacterium diphtheriae and other diphtheria related infections.

Rod-shaped bacteria that retain the crystal violet stain in a Gram stain.

Gram-positive, club-shaped bacteria causing diphtheria; often arranged in "Chinese letters" patterns.

An upper respiratory infection caused by Corynebacterium diphtheriae.

Unique, dark-staining structures within Corynebacterium diphtheriae cells.

A test to determine if Corynebacterium diphtheriae produces a toxin.

Gram-positive, rod-shaped bacteria causing Listeriosis.

Gram-positive rods arranged in short chains, motile bacteria.

Infection caused by Listeria monocytogenes, often severe in pregnant women and newborns.

A staining technique to distinguish bacteria based on their cell wall composition.

Rod-shaped bacteria that stain purple in a Gram stain, possessing a thick peptidoglycan layer.

A lab technique that differentiates bacteria based on their cell wall structure, using dyes.

Thick layer in the cell wall of Gram-positive bacteria.

Some Gram-positive bacteria produce a protective outer layer, helping them avoid the host's immune responses.

Some Gram-positive bacteria produce dormant structures that resist harsh conditions.

Unique, dark-staining structures found in some Gram-positive bacteria, like Corynebacterium diphtheriae.

A gram-positive bacillus causing diphtheria, with a club shape and metachromatic granules that appear in distinctive arrangements.

Harmful toxin produced by Corynebacterium diphtheriae; causes severe illness.

An upper respiratory tract infection caused by Corynebacterium diphtheriae.

Throat swab from the pseudomembrane for diphtheria.

Listeria monocytogenes is the most likely cause of neonatal meningitis in this case.

Listeria monocytogenes is a foodborne pathogen that can contaminate dairy products (like unpasteurized milk and soft cheeses), undercooked meat, and refrigerated foods.

Gram-positive, rod-shaped bacteria, often in short chains, and can be motile.

Listeria monocytogenes resists drying, heating, and freezing without forming spores; this makes food contamination a significant concern.

A selective and differential medium used for culturing Corynebacterium diphtheriae.

A test that identifies the presence of diphtheria toxin produced by Corynebacterium diphtheriae .

Gram-positive, club-shaped bacilli; they are often described as having a "Chinese lettering" arrangement.

Gram-positive, club-shaped bacterium causing diphtheria, often arranged in 'Chinese letters'.

Upper respiratory infection caused by Corynebacterium diphtheriae, marked by a pseudomembrane and the toxin it produces.

An assay to detect diphtheria toxin, an important virulence factor of Corynebacterium diphtheriae.

Rod-shaped bacteria that retain the crystal violet stain in a Gram stain.

Gram-positive, rod-shaped bacteria that can cause food poisoning and severe infections, particularly in newborns or pregnant women.

Gram-positive rods arranged in short chains, motile bacteria.

Unique, dark-staining structures within Corynebacterium diphtheriae cells.

A selective and differential medium used for culturing Corynebacterium diphtheriae.

A laboratory technique to distinguish bacteria based on their cell wall composition.

Rod-shaped bacteria that retain the crystal violet dye in Gram staining, due to a thick peptidoglycan layer.

Some gram-positive bacteria create a protective outer layer that helps them evade the host's immune system.

Certain gram-positive bacteria produce resistant structures (endospores) that survive harsh environmental conditions.

Dark-staining inclusions within Corynebacterium diphtheriae cells.

Gram-positive, club-shaped bacteria arranged in characteristic "Chinese letters" patterns, a key cause of diphtheria.

A harmful toxin produced by Corynebacterium diphtheriae, causing severe symptoms.

Upper respiratory tract infection caused by Corynebacterium diphtheriae, marked by a pseudomembrane and toxemia.

Throat swab from the pseudomembrane for diphtheria diagnosis.

A selective medium used to cultivate Corynebacterium diphtheriae.

Gram-positive, club-shaped bacillus causing diphtheria, often arranged in "Chinese letters" patterns.

An upper respiratory infection caused by Corynebacterium diphtheriae, marked by a pseudomembrane and the toxin it produces.

An assay to detect diphtheria toxin, an important virulence factor of Corynebacterium diphtheriae.

Rod-shaped bacteria that retain the crystal violet stain in a Gram stain.

Gram-positive, rod-shaped bacteria that can cause food poisoning and severe infections, particularly in newborns or pregnant women.

Gram-positive rods arranged in short chains, motile bacteria.

Unique, dark-staining structures within Corynebacterium diphtheriae cells.

A selective medium used to cultivate Corynebacterium diphtheriae.

Throat swab from the pseudomembrane for diphtheria diagnosis.

Rod-shaped bacteria retaining crystal violet dye in Gram staining, due to a thick peptidoglycan layer.

Some gram-positive bacteria develop a protective outer layer to avoid the immune system.

Gram-positive bacteria creating resistant structures (endospores) that withstand harsh conditions.

Unique dark-staining inclusions within Corynebacterium diphtheriae cells.

Gram-positive bacteria, club-shaped, often arranged in "Chinese letters," causing diphtheria.

Harmful toxin from Corynebacterium diphtheriae, causing serious illness.

Upper respiratory infection caused by Corynebacterium diphtheriae, marked by a pseudomembrane and toxemia.

Throat swab from the pseudomembrane for diphtheria diagnosis.

Selective medium for culturing Corynebacterium diphtheriae.

Assay detecting diphtheria toxin produced by Corynebacterium diphtheriae.

Gram-positive, club-shaped bacterium causing diphtheria, often arranged in "Chinese letters" patterns.

Upper respiratory infection caused by Corynebacterium diphtheriae, marked by a pseudomembrane and the toxin it produces.

Assay to detect diphtheria toxin, an important virulence factor of Corynebacterium diphtheriae.

Rod-shaped bacteria that retain the crystal violet stain in a Gram stain.

Gram-positive, rod-shaped bacteria that can cause food poisoning and severe infections, particularly in newborns and pregnant women.

Gram-positive rods arranged in short chains, motile bacteria.

Dark-staining inclusions within Corynebacterium diphtheriae cells.

A selective medium used to cultivate Corynebacterium diphtheriae.

A laboratory technique to distinguish bacteria based on their cell wall structure.

Rod-shaped bacteria that retain the crystal violet stain in a Gram stain, due to a thick peptidoglycan layer.

Some gram-positive bacteria create a protective outer layer that helps them evade the host's immune system.

Certain gram-positive bacteria produce resistant structures (endospores) that survive harsh environmental conditions.

Dark-staining inclusions within Corynebacterium diphtheriae cells.

Gram-positive, club-shaped bacteria arranged in characteristic "Chinese letters" patterns, a key cause of diphtheria.

A harmful toxin produced by Corynebacterium diphtheriae, causing severe symptoms.

An upper respiratory tract infection caused by Corynebacterium diphtheriae, marked by a pseudomembrane and toxemia.

Throat swab from the pseudomembrane for diphtheria diagnosis.

A selective medium used to cultivate Corynebacterium diphtheriae.