Among these proteins, stand out pathogenesis related proteins (PRs), oxidative stress regulation related proteins, and trypsin inhibitors. The resistant genotype showed more expressed proteins with more variability associated with stress and defense, while the susceptible genotype exhibited more repressed proteins. The identified proteins were involved mainly in metabolism, energy, defense and oxidative stress. ResultsĪ total of 554 proteins were identified, being 246 in the susceptible Catongo and 308 in the resistant TSH1188 genotypes. perniciosa infection at 72 h and 45 days post-inoculation respectively the very early stages of the biotrophic and necrotrophic stages of the cacao x M. The present study compared the proteomic alterations between two cacao genotypes standard for WBD resistance and susceptibility, in response to M. Proteomic methods are often used to study the interactions between hosts and pathogens, therefore helping classical plant breeding projects on the development of resistant genotypes. Hence, the development of cacao genotypes with durable resistance is the key challenge for control the disease.
Witches’ broom disease (WBD) of cacao ( Theobroma cacao L.), caused by Moniliophthora perniciosa, is the most important limiting factor for the cacao production in Brazil.
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