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Trends Plant Sci. 2004 Feb;9(2):97-104.

Nonhost resistance: how much do we know?

Author information

1
Plant Biology Division, Samuel Roberts Noble Foundation, Ardmore, OK 73401, USA. ksmysore@noble.org

Abstract

Nonhost disease resistance is the most common form of disease resistance exhibited by plants against the majority of potentially pathogenic microorganisms. Recently, several components of nonhost disease resistance have been identified. Nonhost resistance exhibited against bacteria, fungi and oomycetes can be of two types. Type I nonhost resistance does not produce any visible symptoms whereas type II nonhost resistance results in a rapid hypersensitive response with cell death. Strong similarities exist between nonhost and gene-for-gene resistance responses but it is still not clear if the same mechanism is involved in producing these resistance responses.

PMID:
15102376
DOI:
10.1016/j.tplants.2003.12.005
[Indexed for MEDLINE]

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