The infection of host plants by Botrytis spp. is mediated by numerous extracellular enzymes and metabolites. Each of these compounds may play a role in different stages of the infection process. Cutinases, lipases and some cell wall-degrading enzymes may facilitate the penetration of the host surface, while toxins, oxalate and reactive oxygen species may contribute to killing of the host cells. Several cell wall-degrading enzymes contribute to the conversion of host tissue into fungal biomass, but also other enzymes, such as laccases and proteases are potentially involved in pathogenesis. The cloning of the corresponding genes in recent years has facilitated studies on gene expression and targeted mutagenesis. This chapter gives an updated overview of the research performed on these secreted enzymes and metabolites and the role they play in pathogenesis.
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Kars, I., van Kan, J.A.L. (2007). Extracellular Enzymes and Metabolites Involved in Pathogenesis of Botrytis. In: Elad, Y., Williamson, B., Tudzynski, P., Delen, N. (eds) Botrytis: Biology, Pathology and Control. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2626-3_7
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