Table 1.

Information on HGT Candidates

HGT ID	Gene ID	Putative Donor	Putative Gene Product	Functional Categorya	Secreted	In Planta Expression
HGT-1	Chr4g10560	Bacterial	Unknown	Unknown	No	No
HGT-2	Chr8g03340	Bacterial	Pyridoxal-dependent decarboxylase	Pyridoxal phosphate binding	No	No
HGT-3	Chr1g00380	Bacterial	Glycosyl hydrolase	Carbohydrate metabolism	Yes	No
HGT-4	Chr1g00710	Bacterial	Unknown	Unknown	Yes	No
HGT-5	Chr1g17450	Bacterial	Glycosyl hydrolase (GH27)	Carbohydrate metabolism	Yes	No
HGT-6	Chr1g24620	Bacterial	Luciferase-like monooxygenase	Oxidoreductase activity	No	No
HGT-7	Chr1g24680	Bacterial	Glutathione-dependent formaldehyde-activating enzyme	Detoxification of formaldehyde	No	Yes
HGT-8	Chr1g25610	Bacterial	Glutathione S-transferase	Detoxification of reactive Electrophillic compounds	No	No
HGT-9	Chr1g28650	Bacterial	Glycosyl hydrolases	Carbohydrate metabolism	No	No
HGT-10	Chr2g00370	Bacterial	Unknown	Unknown	No	No
HGT-11	Chr2g02230	Bacterial	Carbohydrate esterase (CE1)	Carbohydrate metabolism	No	No
HGT-12	Chr2g02370	Bacterial	3-Demethylubiquinone-9 3-methyltransferase	Unknown	No	Yes
HGT-13	Chr2g02510	Bacterial	Methyltransferase	Unknown	No	No
HGT-14b	Chr2g04700	Bacterial	Glycosyl transferase family group 2	Carbohydrate metabolism	No	No
HGT-15	Chr2g07220	Bacterial	Pyridine nucleotide-disulfide oxidoreductase	Oxidoreductase activity	No	No
HGT-16	Chr2g08740	Bacterial	Enolase	Carbohydrate metabolism	No	Yes
HGT-17	Chr3g05430	Bacterial	Chondroitin AC/alginate lyase	Glycosaminoglycans degradation	Yes	Yes
HGT-18	Chr3g06830	Bacterial	Acetyltransferase (GNAT) family	Transcriptional regulation	No	No
HGT-19	Chr3g12010	Bacterial	Glycosyl hydrolase (GH74)	Hydrolase activity	Yes	Yes
HGT-20	Chr3g13080	Bacterial	Phosphoinositide phospholipase	Hydrolase activity	Yes	Yes
HGT-21	Chr4g04370	Bacterial	Membrane protein	Unknown	No	No
HGT-22	Chr4g11370	Bacterial	Glycosyl hydrolase (GH74)	Carbohydrate metabolism	No	No
HGT-23	Chr4g11740	Bacterial	Amidohydrolase	Hydrolase activity	Yes	No
HGT-24	Chr4g11940	Bacterial	Carbohydrate esterases (CE1)	Carbohydrate metabolism	Yes	No
HGT-25	Chr5g01710	Bacterial	l-Asparaginase	Hydrolase activity	No	No
HGT-26c	Chr5g02170	Plant	Plant natriuretic peptide	Virulence factor	Yes	Yes
HGT-27	Chr5g05890	Bacterial	Glycosyl hydrolases (GH43/29)	Carbohydrate metabolism	Yes	No
HGT-28	Chr5g09290	Bacterial	Protein of unknown function	Unknown	No	Yes
HGT-29	Chr6g02080	Bacterial	Bacteriocin-protection, YdeI or OmpD-associated protein	Oxidase activity	No	No
HGT-30	Chr6g03000	Bacterial	Pyridoxal phosphate–dependent enzyme	Metabolic activity	No	No
HGT-31	Chr6g05320	Bacterial	OsmC-like protein	Oxidative stress regulation	No	No
HGT-32	Chr6g05650	Bacterial	Luciferase-like monooxygenase	Oxidoreductase activity	No	Yes
HGT-33	Chr6g10680	Bacterial	Acetyltransferase (GNAT) family	N-Acetyltransferase activity	No	Yes
HGT-34	Chr7g01340	Bacterial	M6 family metalloprotease	Peptidase activity	No	No
HGT-35	Chr7g01630	Bacterial	Glycosyl hydrolases (GH136)	Carbohydrate metabolism	No	No
HGT-36	Chr7g03210	Bacterial	Aminotransferases	Catalytic activity	No	No
HGT-37	Chr7g03340	Bacterial	Alpha/beta hydrolase	Hydrolytic activity	No	Yes
HGT-38	Chr7g03590	Bacterial	Insecticide toxin TcdB	Unknown	No	No
HGT-39	Chr8g00620	Bacterial	Glycerate kinase	Glycerate kinase activity	No	No
HGT-40	Chr8g06130	Bacterial	Unknown	Unknown	No	No
HGT-41	Chr8g08880	Bacterial	Nucleotidyltransferase	DNA repair	No	No
HGT-42	Chr8g11000	Bacterial	Glycosyl hydrolase (GH67)	Carbohydrate metabolism	Yes	Yes
HGT-43	Chr8g11270	Bacterial	Glycosyl hydrolases (GH43/26), (CBM42)	Carbohydrate metabolism	Yes	No
HGT-44	Chr8g01080	Bacterial	Peptidase m20	Peptidase activity	No	No

^aFunctional annotation was performed by searching for conserved domains in each of these proteins using Interproscan (Jones et al. 2014).

^bPreviously identified candidate (Klosterman et al. 2011).

^cPreviously identified candidate (de Jonge et al. 2012).