Table 1. Polysaccharide degradation and utilization by Fibrobacter succinogenes S85.

Polysaccharide	Source	Linkage patterna	mM succinate produced	mg reducing sugar accumulated /g added substrate
Hydrolyzed and utilized:
Cellulose	Wood	β-1,4-Glc	20.6b	4.9c
Hydrolyzed, but not utilized:
Homoxylan	Tobacco stalk	β-1,4-Xyl	0.1	381.8
Xylan	Larch	β-1,4-Xyl (with 4-O-MeGlcA substituents)	<0.1	328.6
Glucomannan	Salep	Mixed β-1,4-Glc and –Man	0.4	403.9
Xyloglucan	Tamarind	β-1,4-Glc (with β-1,6-Xyl substituents)	0	259.5
Pectin	Citrus	α-1,4-GalUA (with substantial methylation)	0.1	167.7
Inulin	Chicory	β-2,1-Fru	1.3	532
Phlein (Fructan)	Orchardgrass	β-2,6-Fru	0.3	13.8
Not hydrolyzed or utilized
Arabinogalactan (type II)	(not specified)	β−1,3−Gal with some β−1,6−Gal sidechains capped with various monosaccharides	0.2	0
Curdlan	Agrobacterium	β−1,3−Glc	<0.1	0
Laminarin	Brown algae	β−1,3−Glc and β−1,6−Glc (mixed linkage, 3:1)	<0.1	0
Chitosan	Crab shells	β-1,4-GlcNH2 and N-AcGlcNH2	<0.1	0
Starch	Potato	α-1,4-Glc (with α-1,6 branches)	<0.1	0

^aMonosaccharides and derivatives: Fru, fructose; Gal, galactose; GalUA, galacturonic acid, Glc, glucose; GlcNH2, glucosamine; Man, mannose; N-AcGlcNH2, N-acetylglucosamine; 4-O-MeGlcA, 4-O-methylglucuronic acid; Xyl, xylose.

^bMean of Avicel (20.6 mM), Amorphous cellulose (21.5 mM) and Cellulose II (19.9 mM).

^cMean of Avicel (6.2 mg/g), Amorphous cellulose (7.7 mg/g) and Cellulose II (0.8 mg/g).