TABLE 4.

GLUTs and SGLT expression in taste bud cells.

Transporter	Substrate	Species	Papillae	Source
GLUT2 (Slc2A2)	glucose, mannose, galactose, fructose, glucosamine (Thorens, 2015)	Mouse	CV, foliate, fungiforme	Yee et al., 2011
		Rat	CV	Merigo et al., 2011
GLUT4 (Slc2A4)	glucose, dehydroacetic acid (Huang and Czech, 2007; Vargas et al., 2019)	Mouse	CV, foliate, fungiform	Yee et al., 2011
Glut5 (Slc2A5)	fructose (Douard and Ferraris, 2008)	Rat	CV	Merigo et al., 2011
Glut8 (Slc2A8)	glucose, fructose, galactose (Schmidt et al., 2009)	Mouse	CV, foliate, fungiform	Yee et al., 2011
		Macaque	CV, fungiform	Hevezi et al., 2009
Glut9 (Slc2A9)	glucose, fructose, urate (Doblado and Moley, 2009)	Mouse	CV, foliate, fungiform papillae	Yee et al., 2011
Glut10 (Slc2A10)	glucose, galactose (Dawson et al., 2001)	Macaque	CV, fungiform	Hevezi et al., 2009
Glut13 (Slc2A13)	glucose, IP3 (Zhao and Keating, 2007)	Macaque	CV, fungiform	Hevezi et al., 2009
SGLT1 (Slc5)	glucose, galactose (Sabino-Silva et al., 2010; Wright et al., 2011)	Mouse	CV, foliate, fungiform	Yee et al., 2011
		Rat	CV papillae	Merigo et al., 2011

Expression was detected by PCR (Merigo et al., 2011; Yee et al., 2011), immunohistochemistry (Merigo et al., 2011; Yee et al., 2011), or an affymetrix genome wide array (Hevezi et al., 2009). CV, circumvallate papillae.