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Bordetella holmesii

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A gram-negative nonmotile small coccoid bacterium involved in various infections in humans including bacteremia, septicemia, endocarditis and respiratory illnesses.


Bordetella holmesii is an oxidase negative that produces brown pigment and is asaccharolytic that caused infections to an immunocompromised individual.

Bordetella holmesii is implicated in endocarditis, septicemia and respiratory illnesses in humans which is isolated from the blood of asplenic patients. It is considered as pathogenic bacterium that offers an opportunity to understand its clinical spectrum. It is also linked to individual having underlying conditions including chronic obstructive pulmonary disease, Hodgkin disease, asplenia and end stage renal disease.

Bordetella holmesii is responsible for causing infections similar to pertussis-like symptoms on healthy individuals isolated from nasopharygeal. It is highly contagious that can easily transmitted from person to person through airborne droplets.

Scientific classification:

 Kingdom: Bacteria
 Phylum: Proteobacteria
 Class: Beta Proteobacteria
 Order: Burkholderiales
 Family: Alcaligenaceae
 Genus: Bordetella
 Species: Bordetella holmesii

See also:

• Bacteria

• Pertussis

• Bacteremia