Is Klebsiella pneumoniae hemolytic?

In Blood Agar medium, the Klebsiella pneumoniae colonies are non-hemolytic i.e. shows Gamma Hemolysis (γ-hemolysis).

Is Klebsiella non-hemolytic?

Klebsiella is a non-hemolytic for human red blood cells but found to be hemolytic for rabbit blood agar and urease production of this organism has significant role in colonization and sur- vivability in various systemic infections (Dworkin et al., 2006; Maroncle et al., 2006).

What is the characteristics of Klebsiella pneumoniae?

Klebsiella pneumoniae is a gram-negative, lactose-fermenting, non-motile, aerobic rod-shaped bacterium. It has been a known human pathogen since it was first isolated in the late nineteenth century by Edwin Klebs.

Is Klebsiella spp beta hemolytic?

Colonies are without hemolysis but many strains isolated from infections are beta-hemolytic. Fig. 9 Klebsiella pneumoniae. Non-hemolytic (gamma-hemolytic), mucous colonies of Klebsiella pneumoniae on blood agar.

Can Klebsiella pneumoniae grow blood agar?

Laboratory Identification of Klebsiella pneumonia colonial morphology on blood agar is mucoid and 3 to 4mm in diameter. On MAC, K. pneumoniae colonies are pink (LF), mucoid (usually), and 3 to 4 mm in diameter. Colonies on Hektoen enteric agar and XLD are yellow.

What is the morphology of Klebsiella pneumoniae?


Gram Stain: Negative.
Morphology: Rod-shaped; singly and in pairs or short chains.
Size: 0.3-1.0 micrometers by 0.6-6.0 micrometers.
Motility: Non-motile.
Capsules: Yes.

Is Klebsiella pneumoniae gram-positive or negative?

Klebsiella [kleb−see−ell−uh] is a type of Gram-negative bacteria that can cause different types of healthcare-associated infections, including pneumonia, bloodstream infections, wound or surgical site infections, and meningitis.

What does Klebsiella look like on blood agar?

What agar does Klebsiella grow on?

Introduction of Klebsiella pneumoniae Klebsiella pneumoniae consists of Gram-negative, capsulated, non-sporing, non-motile bacilli that grow well on an ordinary medium( nutrient agar). They produce pink mucoid colonies on MacConkey agar.

What does Klebsiella pneumoniae look like under a microscope?

Klebsiella pneumoniae Klebsiella is a gram-negative, anaerobic bacterium, which under the microscope is shaped like a rod. It belongs to the family Enterobacteriaceae and is a normal commensal living in the mouth and gut.