Subtilisin-like proteases in plant-pathogen recognition and immune priming: a perspective
Andreia Figueiredo1, Filipa Monteiro1, Mónica Sebastiana1
1Plant Systems Biology Lab, Center for Biodiversity, Functional and Integrative Genomics, Science Faculty of Lisbon University , Lisbon, Portugal.
Abstract:
Subtilisin-like proteases (subtilases) are serine proteases that fulfill highly specific functions in plant development and signaling cascades. Over the last decades, it has been shown that several subtilases are specifically induced following pathogen infection and very recently an Arabidopsis subtilase (SBT3.3) was hypothesized to function as a receptor located in the plasma membrane activating downstream immune signaling processes. Despite their prevalence and potential relevance in the regulation of plant defense mechanisms and crop improvement, our current understanding of subtilase function is still very limited. In this perspective article, we overview the current status and highlight the involvement of subtilases in pathogen recognition and immune priming.
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