Hypersensitive response Notes: Definitions & Explanations PDF | Download eBooks
Study Hypersensitive response lecture notes PDF with biology definitions and explanation to study What is Hypersensitive response?. Study hypersensitive response explanation with biology terms to review biology course for online degree programs.
Hypersensitive response Definition:
Hypersensitive response refers to the local cell and tissue death that occurs at and near the infection site.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Hypersensitive response Notes:
The hypersensitive response (HR) is a mechanism, used by plants, to prevent the spread of infection by microbial pathogens. The HR is characterized by the rapid death of cells in the local region surrounding an infection. The HR serves to restrict the growth and spread of pathogens to other parts of the plant. The HR is analogous to the innate immune system found in animals, and commonly precedes a slower systemic (whole plant) response, which ultimately leads to systemic acquired resistance (SAR).
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