specificity

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specificity

[‚spes·ə′fis·əd·ē]
(chemistry)
The selective reactivity that occurs between substances, such as between an antigen and its corresponding antibody.
References in periodicals archive ?
Competitive exclusion, harem behaviour and host specificity of the water mite Unionicola ypsilophora (Hydrachnellae, Acari) inhabiting Anodonta cygnea (Unionidae).
High host specificity, extremely high prevalence and infection intensity in European dreissenids, and relative ease of sampling make this ciliate a very convenient model to address numerous fundamental questions relating to symbiosis and commensalism.
Therefore, when we discuss the host specificity of longicorns, we refer to reproductive-host specificity.
Healthy and uniformly developed hosts are necessary to conduct host specificity testing with A.
But first, the wasp must pass muster on a long list of requirements assuring its host specificity and environmental safety--starting with quarantine trials at Stoneville.
Caryospora undata is unusual among avian caryosporans because of its thin wall and apparent lack of host specificity.
Genes responsible for the host specificity in an obliagte biotrophic fungus are unknown.
Species and numbers of ticks collected during a study of the distribution and host specificity of Rickettsia spp.
One of the critical steps in classical biological control is defining the agent's host specificity in the laboratory before releases are undertaken, followed by validation of these results in the field (Blossey 1995; Pratt et al.
Some species of nematodes are well suited for biocontrol because of their entomopathogenic (insect-killing) capability and host specificity, meaning they attack only certain insects.
We also anticipate high host specificity and a correlation between chemical composition of the hosts and associated fungi, and that lichenicolous habit is mostly derived from lichen habit, but that lichenicolous habit has also been commonly lost (instability).