Table 1.

Results of immunodot-binding assay performed on root exudates of S. tuberosum using different antibodies

Antibody	Reference	Epitope	Root exudates
LM19	Verhertbruggen et al. (2009)	Unesterified homogalacturonan	+
JIM7	Willats et al. (2000)	Partially methyl-esterified epitope of homogalacturonan	+
INRA-Ru1	Ralet et al. (2010)	[→2)-α-L-Rhap-(1→4)-α-D-GalpA-(1→]	+
LM10	McCartney et al. (2005)	Unsubstituted and relatively low-substituted xylans	−
LM15	Marcus et al. (2008)	XXXG xyloglucan motif	−
LM1	Smallwood et al. (1995)	Extensin	+
LM5	Jones et al. (1997)	β(1-4)-d-galactan	+
LM6	Willats et al. (1998)	(1→5)-α-l-arabinan	+
JiM13	Yates et al. (1996)	β-d-GlcA-(1→3)-α-d-GalA-(1→2)-α-l-Rha	+
LM2	Smallwood et al. (1994)	β-linked GlcA	+

+ and − refer to positive and negative labelling with the antibody, respectively