Jan 12, 2018· MATI, a Novel Protein Involved in the Regulation of Herbivore-Associated Signaling Pathways. PubMed Central. SantamarÃa, M. Estrella; Martinez, Manuel; Arnaiz, Ana; Ortego, Félix; Grbic, Vojislava; Diaz, Isabel. . The defense response of the plants against herbivores relies on a complex network of interconnected signaling pathways.