Table 1. Known and Probable PRRs Involved in Plant Immunity
NameFamilyLigandPlantReferences
FLS2LRR-RKflg22ArabidopsisGómez-Gómez and Boller (2000); Bauer et al. (2001)
FLS3LRR-RKflgII-28TomatoHind et al. (2016)
EFRLRR-RKelf18ArabidopsisKunze et al. (2004); Zipfel et al. (2006)
PEPR1/2LRR-RKPepsArabidopsisYamaguchi et al. (2006); Huffaker et al. (2006); Huffaker and Ryan (2007); Krol et al. (2010); Yamaguchi et al. (2010)
XA21LRR-RKRaxX21-sYRicePruitt et al. (2015)
DORN1Lectin-RKeATPArabidopsisChoi et al. (2014)
LORELectin-RKLPSArabidopsisRanf et al. (2015)
WAK1EGF-Like-RLKOGsArabidopsisDecreux and Messiaen (2005); Brutus et al. (2010)
XPS1LRR-RKxup25ArabidopsisMott et al. (2016)
OsCERK1LysM-RLKChitinRiceShimizu et al. (2010)
CEBiPLysM-RPChitinRiceKaku et al. (2006)
LYM1/3LysM-RPPGNsArabidopsisWillmann et al. (2011)
LYP4/6LysM-RLPPGNs/chitinRiceB. Liu et al. (2012)
RLP23LRR-RPnlp20ArabidopsisBi et al. (2014); Albert et al. (2015)
NbCSPRLRR-RPcsp22N. benthamianaSaur et al. (2016)
LeEix1LRR RPEixTomatoBar et al. (2010)
LeEix2LRR-RPEixTomatoRon and Avni (2004)
ReMax/RLP1LRR-RLPeMaxArabidopsisJehle et al. (2013)
Ve1LRR-RLPAve1Tomatode Jonge et al. (2012)
Cf-2LRR-RLPAvr2TomatoDixon et al. (1996); Luderer at al. (2002)
Cf-4LRR-RLPAvr4TomatoJoosten et al. (1997); Thomas et al. (1997)
Cf-4ELRR-RLPAvr4ETomatoTakken et al. (1999); Westerink et al. (2004)
Cf-9LRR-RLPAvr9TomatoVan den Ackerveken et al. (1992); Jones et al. (1994)
Cf-5LRR-RLPUnknownTomatoDixon et al. (1998)
RLP30LRR-RLPSCFE1ArabidopsisWang et al. (2008); Zhang et al. (2013)
ELRLRR-RLPElicitinPotatoDu et al. (2015)
• Known PRRs refer to genetically confirmed receptors whose binding to patterns has been biochemically demonstrated, whereas probable PRRs refer to likely receptors with genetically confirmed roles in pattern recognition, but for which direct binding to patterns remains to be shown.