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Cyanophycin (multi-L-arginyl-poly-L-aspartate), a water-insoluble reserve polymer of cyanobacteria, is a product of nonribosomal peptide synthesis. The purification of cyanophycin synthetase of the cyanobacterium Anabaena variabilis is described. In sodium dodecylsulfate/polyacrylamide gel electrophoresis, the enzyme preparation shows one band with an(More)
The Arabidopsis constitutive induced resistance 1 (cir1) mutant displays salicylic acid (SA)-dependent constitutive expression of defence genes and enhanced resistance to biotrophic pathogens. To further characterise the role of CIR1 in plant immunity we conducted epistasis analyses with two key components of the SA-signalling branch of the defence network,(More)
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