avirulence


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avirulence

 [a-vir´u-lens]
lack of virulence; lack of competence of an infectious agent to produce pathologic effects. adj., adj avir´ulent.

avirulence

/avir·u·lence/ (a-vir´u-lens) lack of virulence; lack of competence of an infectious agent to produce pathologic effects.avir´ulent

avirulence

lack of virulence; lack of competence of an infectious agent to produce pathological effects.
References in periodicals archive ?
Plant species `learn' to recognise the product of the avirulence gene, and to activate their defensive mechansims.
Each breakthrough mutant challenges the plant to respond with a gene capable of recognising a new or modified avirulence factor; each time the plant counterpunches, the fungus must create a new mutant.
Pryor and his colleagues suspect the LRR domain serves as a receptor -- a molecular detector -- for the avirulence protein of a pathogen, while the NBR domain is a docking site for the host plant's internal signalling proteins.
This host would not experience high death rates, as primates do (7,9); evolution of avirulence in long-term host-parasite relationships is expected on theoretical grounds (21).