Table 1.

Primary antibodies used in this study.

Antibody	Target epitope	Source/references
LM5 (Rat IgG)	Linear tetrasaccharide in (1–4)-β-D-galactans	Plant Probes (Jones et al., 1997)
LM10 (Rat IgG2)	Unsubstituted and relatively low-substituted xylans	Plant Probes (McCartney et al., 2005)
LM21 (Rat IgM)	Binds to β-(1–4)-manno-oligosaccharides from DP2 to DP5. Recognizes mannan, glucomannan, and galactomannan polysaccharides	Plant Probes (Marcus et al., 2010)
CCRC-M38 (Mouse IgG1)	De-esterified homogalacturonan	University of Georgia, Complex Carbohydrate Research Center (Pattathil et al., 2010)