virulence factor
A bacterial product, usually a protein or carbohydrate, that contributes to virulence or pathogenicity.

Microbiology. . 2009.

Look at other dictionaries:

  • Virulence factor — Virulence factors are molecules produced by a pathogen that specifically cause disease, [MeshName|Virulence+Factors] or that influence their host s function to allow the pathogen to thrive. Factors that are used in general life processes, such as …   Wikipedia

  • virulence factor — a substance or environmental factor that increases the pathogenicity of a disease causing microorganism …   Medical dictionary

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  • Cord factor — refers to lipoarabinomannan, a molecule generated from trehalose dimycolate by virulent strains of Mycobacterium tuberculosis and closely related species.[1][2] It is a surface glycolipid which blocks macrophage activation by IFN γ, induces… …   Wikipedia

  • Optimal virulence — is a concept relating to the ecology of hosts and parasites. One definition of virulence is the host s parasite induced loss of fitness. The parasite s fitness is determined by its success in transmitting offsprings to other hosts. At one time,… …   Wikipedia

  • Host factor — is a medical term referring to the traits of an individual person or animal that affect susceptibility to disease, especially in comparison to other individuals. The term arose in the context of infectious disease research, in contrast to… …   Wikipedia

  • cord factor — Glycolipid (trehalose 6,6 dimycolate) found in the cell walls of Mycobacteria (causing them to grow in serpentine cords) and important in virulence, being toxic and inducing granulomatous reactions identical to those induced by the whole organism …   Dictionary of molecular biology

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