Bordetella trematum

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A gram-negative nonspore-forming capsulated rod and motile bacterium that is nonpathogenic organisms transmitted through an open wound which can be purged from the body without any medical intervention.


Bordetella trematum has a size of 0.5 micrometer wide and 1.0-1.8 micrometer long that grows in the presence of oxygen with the temperatures ranging from 25’C-42’C. It contains peritrichous flagella for its movement and it is catalase positive and oxidase negative which makes it unique from the rest of Bordetella species since all has oxidase positive.

Bordetella trematum in cultured media shows pearly, smooth, convex, transparent and glistening colonies that bordered by a zone of hemolysis and it is known as chemoorganotroph that requires nicotinamide, organic nitrogen and organic sulfur like cysteine for growth through respiratory metabolism. It is also saccharolytic which does not used sugar for energy and it is indole and urease negative.

Bordetella trematum came from the word trema which means pierced or infiltrated in which this bacterium can be found in an open wounds or bare parts of the body and do not colonize the respiratory tract unlike other Bordetella species.

Scientific classification:

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

See also:

• Bacteria

• Hemolysis

• Chemoorganotroph