When his boss called to complain that the time-sensitive documents he was waiting for still hadn't arrived, Victor worried that the courier responsible for delivery may secretly be on their competitor's payroll and had sabotaged them on purpose.
Virulence factors are molecules produced by pathogens (bacteria, viruses, fungi and protozoa) that contribute to the pathogenicity of the organism and enable them to achieve the following: 1  colonization of a niche in the host (this includes attachment to cells). 2  immunoevasion, evasion of the host's immune response.
Comparison of virulence factors of Photorhabdus, and Bacillus, two bacteria with. dissimilar life styles opens the possibility of re-examining newly discovered toxins for. novel tissue targets. For example, nematodes residing in the hemolymph may release.