INF1s are elicitins, proteins which are produced by plant pathogens and recognized by hosts. They are produced by Phytophthora, Pythium, and Pseudomonas spp.
Known INF1s include:
PsINF1, the INF1 in Pseudomonas syringae PiINF1, an INF1 in Phytophthora infestans , a MAMP INF1 in P. infestans. PiMAPINF1 is known to trigger two MAPKs in Nicotiana benthamiana, (SIPK) and . PcINF1, the INF1 in Phytophthora capsici
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