Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g35300	Sugar proton-coupled antiporter which contributes to vacuolar sugar import (e.g. monosaccharides including glucose, sucrose and fructose), particularly during stress responses (e.g. in response to cold).	Molecular identification and physiological characterization of a novel monosaccharide transporter from Arabidopsis involved in vacuolar sugar transport.; 2006; DOI: 10.1105/tpc.106.047290; PMID: 17158605; https://pubmed.ncbi.nlm.nih.gov/17158605/ | Proton-driven sucrose symport and antiport are provided by the vacuolar transporters SUC4 and TMT1/2.; 2011; DOI: 10.1111/j.1365-313x.2011.04672.x; PMID: 21668536; https://pubmed.ncbi.nlm.nih.gov/21668536/
Arabidopsis	At3g51490	Sugar proton-coupled antiporter which contributes to vacuolar sugar import (e.g. monosaccharides including glucose,sucrose and fructose), particularly during stress responses (e.g. in response to cold).	Molecular identification and physiological characterization of a novel monosaccharide transporter from Arabidopsis involved in vacuolar sugar transport.; 2006; DOI: 10.1105/tpc.106.047290; PMID: 17158605; https://pubmed.ncbi.nlm.nih.gov/17158605/
Arabidopsis	At1g20840	Sugar proton-coupled antiporter which contributes to vacuolar sugar import (e.g. monosaccharides including glucose, sucrose and fructose), particularly during stress responses (e.g. in response to cold).	Molecular identification and physiological characterization of a novel monosaccharide transporter from Arabidopsis involved in vacuolar sugar transport.; 2006; DOI: 10.1105/tpc.106.047290; PMID: 17158605; https://pubmed.ncbi.nlm.nih.gov/17158605/ | Increased activity of the vacuolar monosaccharide transporter TMT1 alters cellular sugar partitioning, sugar signaling, and seed yield in Arabidopsis.; 2010; DOI: 10.1104/pp.110.162040; PMID: 20709831; https://pubmed.ncbi.nlm.nih.gov/20709831/ | Proton-driven sucrose symport and antiport are provided by the vacuolar transporters SUC4 and TMT1/2.; 2011; DOI: 10.1111/j.1365-313x.2011.04672.x; PMID: 21668536; https://pubmed.ncbi.nlm.nih.gov/21668536/
Arabidopsis	At2g35740	Plasma membrane inositol-proton symporter.	Arabidopsis INOSITOL TRANSPORTER2 mediates H+ symport of different inositol epimers and derivatives across the plasma membrane.; 2007; DOI: 10.1104/pp.107.109033; PMID: 17951450; https://pubmed.ncbi.nlm.nih.gov/17951450/