Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At1g14360	Essential sugar transporter required for the transport of UDP-glucose from the cytoplasm into the Golgi and the endoplasmic reticulum.	The nucleotide sugar transporters AtUTr1 and AtUTr3 are required for the incorporation of UDP-glucose into the endoplasmic reticulum, are essential for pollen development and are needed for embryo sac progress in Arabidopsis thaliana.; 2010; DOI: 10.1111/j.1365-313x.2009.04066.x; PMID: 19906043; https://pubmed.ncbi.nlm.nih.gov/19906043/
Arabidopsis	At2g02810	Essential sugar transporter required for the transport of UDP-galactose and UDP-glucose from the cytoplasm into the Golgi and the endoplasmic reticulum, to ensure quality control of protein folding.	Transport of UDP-galactose in plants. Identification and functional characterization of AtUTr1, an Arabidopsis thaliana UDP-galactos/UDP-glucose transporter.; 2002; DOI: 10.1074/jbc.m204081200; PMID: 12042319; https://pubmed.ncbi.nlm.nih.gov/12042319/ | AtUTr1, a UDP-glucose/UDP-galactose transporter from Arabidopsis thaliana, is located in the endoplasmic reticulum and up-regulated by the unfolded protein response.; 2006; DOI: 10.1074/jbc.m512210200; PMID: 16467298; https://pubmed.ncbi.nlm.nih.gov/16467298/ | The nucleotide sugar transporters AtUTr1 and AtUTr3 are required for the incorporation of UDP-glucose into the endoplasmic reticulum, are essential for pollen development and are needed for embryo sac progress in Arabidopsis thaliana.; 2010; DOI: 10.1111/j.1365-313x.2009.04066.x; PMID: 19906043; https://pubmed.ncbi.nlm.nih.gov/19906043/