List of Abbreviations

AGP - Arabinogalactan-protein

AIR - Alcohol Insoluble Residue

ANOVA - Analysis of variance

APAP - Arabinoxylan Pectin Arabinogalactan-Protein

BG - Blue Green

brb - Bald Root Barley

BSA - Bovine serum albumin

CBM - Carbohydrate-binding Module

CDTA - Cyclohexane Diamine Tetraacetic Acid

Cv - Cultivar

CT - Computerised tomography

dH₂O - Deionised water

DNA - Deoxyribonucleic acid

DMSO - Dimethyl sulphoxide

EDC - Epitope Detection Chromatography

ELISA - Enzyme Linked Immuno-Sorbent Assay

FITC - Fluorescein isothiocyanate

GalA - Galacturonic acid

GAX - Glucuronoarabinoxylan

GlucA - Glucuronic acid

GPS - Global Positioning System

HG - Homogalacturonan

HRP - Horse radish peroxidase

IgG - Immunoglobulin G

JIM - John Innes Monoclonal

LM - Leeds Monoclonal

MAb - Monoclonal antibody

MAC - Monoclonal Antibody Centre

MP/PBS - Milk powder in phosphate buffered solution

MSD - Mass Selective Detector

m/z - Mass-to-charge

NaIO₄ - Sodium periodate

NASA - National Aeronautics and Space Administration

NMR - Nuclear Magnetic Resonance

PBS - Phosphate buffered solution

Rha - Rhamnose

REC - Root Exudate Complex

RG - Rhamnogalacturonan

RT - Room temperature

SEM - Scanning Electron Microscopy

TMS - per-O-trimethylsilyl

V0 - Void volume

XGA - Xylogalacturonan

XG - Xyloglucan

xxt - Xylosyltransferase