Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g23440	Extracellular signaling peptide that represses primary root growth rate and significantly inhibits lateral root formation.	No verified direct reference in this release
Arabidopsis	At5g66815	Extracellular signaling peptide that represses plant growth rate.	CEP5 and XIP1/CEPR1 regulate lateral root initiation in Arabidopsis.; 2016; DOI: 10.1093/jxb/erw231; PMID: 27296247; https://pubmed.ncbi.nlm.nih.gov/27296247/