Sentence examples for primary virulence factor from inspiring English sources

Our results also show that the transient increases in endothelial [Ca2+]i and Lp induced by Bb spent medium are distinct from the irreversible increases in permeability induced by epsilon toxin, the direct-acting, primary virulence factor for Clostridium perfringe [37].

Although delta-endotoxins (Cry toxins) are known as the primary virulence factor from B. thuringiensis, this bacterium has also developed an arsenal of additional virulence factors such as beta-exotoxins, vegetative insecticidal proteins (Vip), chitinases, zwittermicin, spores and other uncharacterized spore-associated factors [2]; [40] [43].

A primary virulence factor of this pathogen is the prophage-encoded Shiga toxin (2).

Capsular polysaccharide, which defines GBS serotype, is the primary virulence factor found in most GBS strains, and different serotypes contribute to disease in different populations.

Thus, the superantigens may inevitably play an important role in the pathogenesis of these nontypeable strains in the absence of the primary virulence factor, M protein.

Mycoplasma infections are known to be associated with oxidative damage of host cells and tissues due to reactive oxygen species generated by both the immune system of the host and the bacterium as its primary virulence factor [ 18- 24].

In humans, it is predicted that the colonizing bacteria would next progress to synthesis of the primary virulence factors CT and TCP, resulting in the onset of cholera disease, generally 1 5 days after exposure to the bacterium [21].

Several CDAD outbreaks in the past decade in Europe and North America have been attributed to the emergence of hypervirulent C. difficile strains belonging to PCR ribotype 027/pulse-field type NAP1 (027/NAP1) which produce elevated levels of toxins A and B, the primary virulence factors of this bacterium [4] [9].

Many emerging and reemerging bacterial pathogens synthesize toxins that serve as primary virulence factors.

The polysaccharide capsule is one of the primary virulence factors that contributes to S. pneumoniae pathogenicity (2 ).

Our data are consistent with LCCs being the primary virulence factors in the majority of infections, but LCC-negative strains may precipitate certain categories of infection.