Review
doi: 10.1002/(SICI)1097-0282(1998)47:6<479::AID-BIP6>3.0.CO;2-K.
Plant defense peptides
Affiliations
- PMID: 10333739
- DOI: 10.1002/(SICI)1097-0282(1998)47:6<479::AID-BIP6>3.0.CO;2-K
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Review
Plant defense peptides
Biopolymers.
1998.
Abstract
Eight families of antimicrobial peptides, ranging in size from 2 to 9 kD, have been identified in plants. These are thionins, defensins, so-called lipid transfer proteins, hevein- and knottin-like peptides, MBP1, IbAMP, and the recently reported snakins. All of them have compact structures that are stabilized by 2-6 disulfide bridges. They are part of both permanent and inducible defense barriers. Transgenic overexpression of the corresponding genes leads to enhanced tolerance to pathogens, and peptide-sensitive pathogen mutants have reduced virulence.
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