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Snakin-1, a peptide from potato that is active against plant pathogens.
The expression pattern of gene StSN1 suggests that protein SN1 may be a component of constitutive defense barriers, especially those of storage and reproductive plant organs.
Snakin-2, an Antimicrobial Peptide from Potato Whose Gene Is Locally Induced by Wounding and Responds to Pathogen Infection1
Observations are congruent with the hypothesis that the StSN2 is a component of both constitutive and inducible defense barriers.
Plant defense peptides.
Eight families of antimicrobial peptides, ranging in size from 2 to 9 kD, have been identified in plants, and transgenic overexpression of the corresponding genes leads to enhanced tolerance to pathogens, and peptide-sensitive pathogen mutants have reduced virulence.
Developmental and pathogen-induced expression of three barley genes encoding lipid transfer proteins.
Clones for three barley non-specific lipid transfer proteins (LTP2, LTP3, and LTP4; formerly Cw18, Cw20 and Cw21) were selected and characterized from a cDNA library derived from young etiolated leaves.
Effects of urate, a natural inhibitor of peroxynitrite-mediated toxicity, in the response of Arabidopsis thaliana to the bacterial pathogen Pseudomonas syringae.
The data indicate that peroxynitrite plays a significant role in the responses of plants to Pseudomonas syringae, and scavenging of peroxysitrite did not modify the response of Arabidopsis to an avirulent strain of Xanthomonas campestris pvcampestris, that showed a high resistance to NO and peroxlynitrite.
Thionins: plant peptides that modify membrane permeability in cultured mammalian cells.
The results suggest that the inhibition of protein, RNA and DNA synthesis in BHK cells might be a consequence of membrane leakiness induced by thionin treatment.
Expression of the alpha-thionin gene from barley in tobacco confers enhanced resistance to bacterial pathogens.
The alpha-thionin in transgenic plants had the expected mobility in the gradient, when separated by high-performance liquid chromatography, reacted with monospecific antibodies and showed the expected antibiotic properties in vitro.