Table S2. Genes in lateral root initiation Cluster 5 functional gene set that were significantly over-represented in the two graft comparisons dgt/dgt vs VFN8/VFN8 (13 genes) and dgt/dgt vs VFN8/dgt (9 genes). slgene: S. lycopersicum gene ID; FC: fold change between gt1 and gt2; atgene: A. thaliana gene ID of which slgene is putative ortholog; four graft-pair columns: mean normalized expression in root RNA-seq experiment. symbols and desc from TAIRi. i Lamesch, Philippe, et al. "The Arabidopsis Information Resource (TAIR): improved gene annotation and new tools." Nucleic acids research 40.D1 (2012): D1202-D1210. gt1 dgt/dgt dgt/dgt gt2 VFN8/VFN8 VFN8/dgt slgene Solyc02g093950 Solyc01g087720 FC 0.42 2.1 atgene VFN8/ VFN8VFN8/ dgt dgt/ VFN8 dgt/ dgt AT5G14230 10.02 4.61 9.56 4.19 AT5G15920 7.48 11.81 8.11 15.75 Solyc03g118820 Solyc04g015600 Solyc02g091930 3.8 2.2 3.9 AT1G73640 AT2G41820 AT4G16780 4.07 4.34 26.76 6.2 5.36 45.85 2.45 3.6 23.78 Solyc03g113920 2 AT5G26920 5.47 4.34 6.34 Solyc06g074630 2.2 AT5G22740 10.37 21.8 10.03 Solyc01g088440 0.36 AT3G60220 10.77 5.73 9.78 Solyc01g091110 0.36 AT4G00080 9.64 13.49 9.32 Solyc08g082250 2.1 AT1G64390 82.71 95.53 89.17 Solyc07g020960 2.4 AT2G20100 28.23 45.28 27.51 Solyc11g069190 2.5 AT5G60450 19.58 21.24 19.03 Solyc03g121060 Solyc03g118820 Solyc02g091930 4.5 2.5 2.3 AT3G16500 AT1G73640 AT4G16780 8.54 4.07 26.76 14.65 6.2 45.85 7.29 2.45 23.78 Solyc03g113920 2.6 AT5G26920 5.47 4.34 6.34 Solyc01g091110 0.26 AT4G00080 9.64 13.49 9.32 Solyc06g050170 2 AT2G40540 13.64 11.76 14.89 Solyc06g059860 Solyc11g069190 3.5 2.3 AT1G21390 AT5G60450 2.01 19.58 4.89 21.24 1.46 19.03 Solyc03g121060 2.6 AT3G16500 8.54 14.65 7.29 Solyc04g079420 2.1 AT3G26470 18.71 10.04 17.53 symbols desc Ankyrin repeat family protein, IPR002110, Ankyrin SMC5 Structural maintenance of chromosomes family protein, IPR003395, RecF/RecN/SMC protein, N-terminal 15.57 AtRABA6b,RABA6b Ras-related protein Rab-25, IPR015595, Rab11-related 9.37 Receptor like kinase, RLK 104.21 ATHB-2, HAT4,ATHB2,HB-2 Homeobox-leucine zipper protein 22, IPR003106, Leucine zipper, homeobox-associated 11.21 Calmodulin-binding protein, IPR012416, Calmodulin binding protein-like 23.24 ATCSLA02,ATCSLA2,CSLA2 Cellulose synthase-like C6 glycosyltransferase family 2, IPR001173, Glycosyl transferase, family 2 3.85 Ring H2 finger protein, IPR018957, Zinc finger, C3HC4 RING-type 3.44 UNE11 Pectinesterase/pectinesterase inhibitor 3, IPR006501, Pectinesterase inhibitor 176.81 AtGH9C2,GH9C2 Endoglucanase 1, IPR001701, Glycoside hydrolase, family 9 66.49 BHLH transcription factor-like protein, IPR011598, Helixloop-helix DNA-binding 48.16 ARF4 Auxin response factor 4, IPR003340, Transcriptional factor B3, auxin response factor 4,arf4 38.05 PAP1,IAA26 Auxin response factor 9, IPR003311, AUX/IAA protein 15.57 AtRABA6b,RABA6b Ras-related protein Rab-25, IPR015595, Rab11-related 104.21 ATHB-2, HAT4,ATHB2,HB-2 Homeobox-leucine zipper protein 22, IPR003106, Leucine zipper, homeobox-associated 11.21 Calmodulin-binding protein, IPR012416, Calmodulin binding protein-like 3.44 UNE11 Pectinesterase/pectinesterase inhibitor 3, IPR006501, Pectinesterase inhibitor 24 KT2,SHY3,KUP2,TRK2 Potassium transporter, IPR003855, K+ potassium transporter 17.26 emb2170 Unknown Protein 48.16 ARF4 Auxin response factor 4, IPR003340,Transcriptional factor B3, auxin response factor 4,arf4 38.05 PAP1,IAA26 Auxin response factor 9, IPR003311, AUX/IAA protein 20.72 ADR1-L1 Nbs-lrr, resistance protein