avirulent


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a·vir·u·lent

(ā-vir'yū-lent),
Not virulent.

avirulent

(ā-vîr′yə-lənt, ā-vîr′ə-)
adj.
Not virulent.
a·vir′u·lence n.

a·vir·u·lent

(ā-vir'yū-lĕnt)
Not virulent.

avirulent

Not highly infective or likely to cause disease.

avirulent

lacking virulence i.e. the ability of an organism to cause disease is absent.
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References in periodicals archive ?
The coinfection experiments in this study with avirulent and virulent parasites in the same astrocytic host cell addressed an important question.
In astrocytes the accumulation of the immunity-related GTPases Irga6 and Irgb6 at the vacuole of Toxoplasma gondii is dependent on the parasite virulence
Therefore, further research is required in order to understand and identify the protective antigens in virulent and avirulent isolates of Rs and their role in the immune response against the bacterium, especially for the cellular response.
Protective Responses of Rainbow Trout Following Intraperitoneal Injection with a Live Virulent or Avirulent Isolate of Renibacterium salmoninarum
of avirulent Type LBB HDG QCL races 1 [4.sup.-]4 [4.sup.-] [X.sup.-] 2 2 [1.sup.+c] [4.sup.-]4 [X.sup.-] 5 3 [1.sup.+] [2.sup.=] [X.sup.-] 5 4 [1.sup.+] [2.sup.=] [X.sup.-] 7 Parents Medea [1.sup.=][X.sup.=] [1.sup.+] [2.sup.-] [1.sup.-] 6 LMPG [4.sup.-]4 4 4 0 Glossy 0;[1.sup.=] [4.sup.-] 4 [2.sup.+] 2 Hugenot (c) Means yellow chlorosis around the pustules.
Inheritance of Resistance to Stem Rust in Medea Durum Wheat and the Role of Suppressors
incognita that are avirulent and virulent to gene Rk and their probable genotypes.
Inheritance of a Broad-Based Form of Root-Knot Nematode Resistance in Cowpea
All 15 virulent isolates and 23 randomly selected avirulent isolates were used for in vitro antimicrobial drug susceptibility testing and genotyping.
Macrolide- and rifampin-resistant Rhodococcus equi on a horse breeding farm, Kentucky, USA
This undoubtedly resulted from the fact that two older races were used in the selection process and LCB is particularly avirulent.
Inheritance of Resistance to Stem Rust in `Triumph 64' Winter Wheat
Isolate PXO61 of Race 1 is avirulent to Xa4, whereas PXO86 of Race 2 is virulent to this gene (Vera Cruz and Mew, 1989; Koch and Parlevliet, 1991).
Molecular breeding for the development of blast and bacterial blight resistance in rice cv. IR50. (Cell Biology & Molecular Genetics)
Three-hundred seventy-five [F.sub.2] plants were tested with the KS strain of WCM, which is avirulent to Cmc1 and to the Ae.
Genetic mapping of wheat curl mite resistance genes Cmc3 and Cmc4 in common wheat. (Genomics, Molecular Genetics & Biotechnology)
Analysis of the complete genomic sequence of an apparently avirulent strain of avian hepatitis E virus (avian HEV) identified major genetic differences compared with the prototype pathogenic strain of avian HEV.
Avian hepatitis E virus in chickens, Taiwan, 2013
triticina isolates tested for virulence to adult plants of the Thatcher line with Lr12 were avirulent, and all the isolates tested produced smaller and fewer uredinia on adult plants of the Thatcher line with Lr34 compared with Thatcher.
Postulation of leaf rust resistance genes in selected soft red winter wheats. (Crop Breeding, Genetics & Cytology)
Characterization of virulent and avirulent chicken Pennsylvania 83 influenza virus: Potential role of defective interfering RNAs in nature.
In Process Quality Control Factors Affecting Efficacy of Avian Influenza (H5N1) Vaccine
Biotype G was described as the first greenbug isolate avirulent to Wintermalt.
New sources of resistance to greenbug in barley

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