Sentence examples for a decrease in the virulence of from inspiring English sources

As such, the decrease in expression of this regulator under NaCl- and KCl-induced stress may be associated with a decrease in the virulence of the pathogen.

Functional experiments revealed a dramatic decrease in the virulence of 05ZYH33 following the disruption of the TCS in the 89K GI [15].

In conclusion, we observed a remarkable decrease in the virulence of Nocardia brasiliensis HUJEG-1 after subculturing it 130 times in vitro, compared to the parent strain.

Reduced virulence of TC-adapted KFDV: Bhatt and Anderson have reported that the passage of the prototype P9605 strain of KFDV in monkey kidney tissue culture (MKTC) resulted in a decrease of the virulence of the virus for adult mice as judged by a decrease in LD50 titer of the virus following intraperitoneal (IP) inoculation.

When disrupted, it caused a decrease in the production of PQS and BHL signals, as well as the virulence factors such as pyocyanin, rhamnolipids and elastase.

Recombination may lead to virulence restoration of attenuated strains or to a decrease in the pathogenicity of parental viruses.

These resistant strains were also associated with a decrease in the presence or the expression of some virulence factors and a decreased invasive capacity (20, 21 ).

The cell membrane plays a crucial role in the virulence of several pathogens.

In animal model, pretreatment of phytoestrogen-rich, Pueraria mirifica tuberous powder resulted in decreasing the virulence of rat breast tumor development induced by 7,12-dimethylbenz(a)anthracene (Cherdshewasart et al., 2007).

Cryphonectria hypovirus 1 (CHV1) is a mycovirus which decreases the virulence of its fungal host Cryphonectria parasitica, the causal agent of chestnut blight recently introduced in Europe.

Alternatively, protozoan predation could also lead to a decrease in bacterial virulence if increased allocation to anti-predatory traits is traded off with virulence factors of the pathogen.