Sentence examples for have virulence from inspiring English sources

The exact reason for these observations is not clear, but a number of studies now suggest that Klebsiella serotypes K1 and K2 have virulence factors that enhance their survival in diabetic patients and increase their pathogenicity.

Bacteria and viruses, deprived of collagen, have virulence factors which destroy collagen or interfere with its production by the secretion of collagenase and/or elastase [28], [29].

A list of 177 virulence genes was created by searching published literature and available databases for Neisseria genes that are known or hypothesized to have virulence functions [4], [18], [19].

Pathogenic bacteria often have virulence factors that mimic the functions normally performed by host cell proteins.

These results indicate that the environmental strains studied could have virulence potential.

However, we still don't know whether other non-COR-producing pathovars of P. syringae produce metabolites that have virulence function.

It became clear over the course of this study that general classification systems such as COG do not perform well in detecting trends in virulence since the classification system does not include most virulence factors at all and does not have virulence-associated categories.

Although some absent gene-regions in Xf may have virulence-related implications, the genome reduction in Xf seems to weaken nutritional and adaptive flexibility rather than clear virulence functions.

The effector AvrPiz-t of Magnaporthe oryzae has virulence function in rice.

Both strains had virulence genes stx2a, eae, and ehxA (F. Scheutz, pers. comm).

The P. yoelii strain had virulence features which were stronger that those displayed by P. berghei; animals challenged with the former strain thus handled higher parasitemia percentages.