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Mixed-linkage glucan

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MLG is composed of β-D(1-3) and β-D(1-4)-linked glucosyl residues. Typically there are regions of 2-5 β-D(1-4)-linked residues separated by β-D(1-3)-linkages. The β-D(1-4)-linked residues form rigid regions of the structure while the β-D(1-3)-links are flexible.
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Sørensen, Iben; Pettolino, Filomena A.; Wilson, Sarah M.; Doblin, Monika S.; Johansen, Bo; Bacic, Antony; Willats, William G. T. (2008). "Mixed-linkage (1→3),(1→4)-β-d-glucan is not unique to the Poales and is an abundant component of
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Lazaridou, A.; Biliaderis, C.G. (2007). "Molecular aspects of cereal β-glucan functionality: Physical properties, technological applications and physiological effects".
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Glucose molecule, showing carbon numbering notation and beta orientation. In mixed linkage glucan bonds form only on carbons 1, 3 and 4.
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Fry, Stephen C.; Nesselrode, Bertram H. W. A.; Miller, Janice G.; Mewburn, Ben R. (2008).
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suggests a definite role in their growth. However the presence of the
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mixed-linkage glucan : xyloglucan endotransglucosylase
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suggest that the role of MLG in each may be different.
235: 260: 108:The prevalence of MLG within the poales and 42:, where it has important properties in the 34:consisting of β-D(1-3) and β-D(1-4) linked 172: 66: 23:), sometimes incorrectly referred to as 261: 103: 38:. MLG is highly prevalent within the 79: 13: 14: 280: 92:and the functional properties of 215:10.1111/j.1365-313X.2008.03453.x 174:10.1111/j.1469-8137.2008.02435.x 229: 189: 144: 1: 138: 62: 7: 126: 10: 285: 250:10.1016/j.jcs.2007.05.003 238:Journal of Cereal Science 50:of the distantly related 157:(horsetail) cell walls" 72: 96:and gel-forming food 70: 17:Mixed-linkage glucan 104:Functions in plants 73: 203:The Plant Journal 199:Equisetum arvense 84:MLGs exhibit the 80:Roles in the diet 36:glucosyl residues 276: 254: 253: 233: 227: 226: 193: 187: 186: 176: 148: 284: 283: 279: 278: 277: 275: 274: 273: 269:Polysaccharides 259: 258: 257: 234: 230: 194: 190: 161:New Phytologist 149: 145: 141: 129: 106: 82: 65: 12: 11: 5: 282: 272: 271: 256: 255: 244:(2): 101–118. 228: 209:(3): 510–521. 188: 167:(1): 104–115. 142: 140: 137: 136: 135: 128: 125: 105: 102: 90:dietary fibres 88:properties of 81: 78: 64: 61: 32:polysaccharide 29:hemicellulosic 9: 6: 4: 3: 2: 281: 270: 267: 266: 264: 251: 247: 243: 239: 232: 224: 220: 216: 212: 208: 204: 201:cell walls". 200: 192: 184: 180: 175: 170: 166: 162: 158: 156: 147: 143: 134: 131: 130: 124: 122: 118: 115: 111: 101: 99: 98:hydrocolloids 95: 91: 87: 86:physiological 77: 69: 60: 58: 57: 53: 49: 45: 41: 37: 33: 30: 26: 22: 18: 241: 237: 231: 206: 202: 198: 191: 164: 160: 154: 146: 120: 109: 107: 83: 74: 54: 20: 16: 15: 25:beta-glucan 139:References 155:Equisetum 110:Equisetum 63:Structure 56:Equisetum 263:Category 223:18284587 183:18393951 133:Lichenin 127:See also 121:Equiseta 119:within 94:viscous 27:, is a 221:  181:  114:enzyme 48:plants 40:Poales 52:genus 219:PMID 179:PMID 44:diet 246:doi 211:doi 169:doi 165:179 21:MLG 265:: 242:46 240:. 217:. 207:54 205:. 177:. 163:. 159:. 100:. 59:. 252:. 248:: 225:. 213:: 185:. 171:: 19:(

Index

beta-glucan
hemicellulosic
polysaccharide
glucosyl residues
Poales
diet
plants
genus
Equisetum

physiological
dietary fibres
viscous
hydrocolloids
enzyme
mixed-linkage glucan : xyloglucan endotransglucosylase
Lichenin
"Mixed-linkage (1→3,1→4)-β-d-glucan is a major hemicellulose of Equisetum (horsetail) cell walls"
doi
10.1111/j.1469-8137.2008.02435.x
PMID
18393951
doi
10.1111/j.1365-313X.2008.03453.x
PMID
18284587
doi
10.1016/j.jcs.2007.05.003
Category
Polysaccharides

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