Table 1.

A summary of crosstalks between CLE peptides with hormones and environmental stimuli.

CLE peptide	Species	Factor(s) interacted	Function(s)	Reference(s)
CLE1/3/4/7	Arabidopsis thaliana	Nitrogen	Inhibiting later root growth	Araya et al., 2014
CLE6	A. thaliana	Auxin/GA	Promoting procambium proliferation; compensation for GA deficiency	Whitford et al., 2008; Bidadi et al., 2014
CLE10	A. thaliana	Cytokinin	Inhibiting protoxylem vessel formation	Kondo et al., 2011
CLE14/20	A. thaliana	Cytokinin	Inhibiting root growth	Meng and Feldman, 2010
CLE26	A. thaliana	Auxin	Regulating root architecture and protophloem formation	Czyzewicz et al., 2015
CLE40	A. thaliana	ABA/auxin/cytokinin	Promoting ABA biosynthesis and signaling, repressing cytokinin signaling and differentially regulating auxin signaling	Pallakies and Simon, 2014
CLE41/TDIF	A. thaliana	Auxin/BR	Later root development; xylem vessel formation	Cho et al., 2014; Kondo et al., 2014
CLE45	A. thaliana	Heat stress	Pollen growth and seed production	Endo et al., 2013
OsCLE48	Oryza sativa	Auxin	N/D	Guo et al., 2015
LjCLE-RS1/2	Lotus japonicus	Rhizobia/cytokinin/nitrate	Inhibiting nodule development	Okamoto et al., 2009; Okamoto et al., 2013; Sasaki et al., 2014
LjCLE19/20	L. japonicus	Phosphate	N/D	Funayama-Noguchi et al., 2011
MtCLE12/13	Medicago truncatula	Rhizobia	Inhibiting nodule development	Mortier et al., 2010; Mortier et al., 2012
GmRIC1/2	Glycine max	Rhizobia	Inhibiting nodule development	Reid et al., 2011
GmNIC1	G. max	Nitrate	Partially inhibiting nodulation	Reid et al., 2011

N/D, not determined.