Example sentences for: avirulence

How can you use “avirulence” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • The HR occurs in response to infection with avirulent bacteria at levels of inoculum that cause a large percentage of leaf cells to undergo programmed cell death (PCD) [ 8 ] . In contrast to results with avrRpt2, P. syringae bacteria carrying the avirulence genes avrB , avrRpm1 , avrPphB or avrRps4 elicit an exaggerated HR relative to that on the wild-type Columbia parent [ 5 7 ] . In a study in which bacteria carrying avrB were chosen as a representative member of this class, in further contrast to results with avrRpt2 , these bacteria were capable of eliciting SAR and PR-1 induction on ndr1-1 mutant plants [ 4 ] .

  • The Arabidopsis ndr1-1 mutant showed drastically impaired induction of SAR and PR-1 gene expression in response to infection with Pseudomonas syringae bacteria carrying the avirulence ( avr ) gene avrRpt2 [ 4 ] . This mutant is also incapable of showing a hypersensitive response (HR) to these bacteria [ 5 6 ] except at very high levels of inoculum [ 7 ] . The HR is a macroscopic leaf collapse.


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