Archaea / 2011 / Article / Tab 1

Review Article

Synthesis, Production, and Biotechnological Applications of Exopolysaccharides and Polyhydroxyalkanoates by Archaea

Table 1

EPSs produced by archaeal species.

MicroorganismCarbon sourceChemical compositionYield (w/v)Reference

Haloferax mediterraneiGlucose β†’ 4)-Ξ²-D-GlcpNAcA-(1 β†’ 6)- 𝛼 -D-Manp-(1 β†’ 4)- 𝛽 -D-GlcpNAcA-3-O- S O 3 βˆ’ -(1 β†’ 3.0 (g Lβˆ’1)[11, 14]
Haloferax denitrificansGlucose β†’ 4)- 𝛽 -D-GlcpA2,3NAc-(1 β†’ 4)- 𝛽 -D-GlcpA2,3NAc-(1 β†’ 4)- 𝛼 -D-GlcpA2,3NAc-(1 β†’ 3)- 𝛼 -D-Galp-(1 β†’ n.d.[39]
Haloferax gibbonsiiGlucose β†’ 4)- 𝛽 -D-Manp-(1 β†’ 4)- 𝛽 -D-Manp-(1 β†’ 4)- 𝛼 -D-Galp-(1 β†’ 3)- 𝛽 -D-Galp-(1 β†’ n.d[13]
3           2
↑             ↑
1           1
𝛼 -D-Galp-(1 β†’ 2)- 𝛼 -L-Rhap     𝛼 -D-Galp
Haloarcula japonica strain T5GlucoseMan/Gal/GlcA
2 : 1 : 3
370 (mg Lβˆ’1)[12]
Haloarcula sp.
strain T6
GlucoseMan/Gal/Glc
1 : 0.2 : 0.2
45 (mg Lβˆ’1)[12]
Haloarcula sp.
strain T7
GlucoseMan/Gal/Glc
1 : 0.2 : 0.2
35 (mg Lβˆ’1)[12]
Sulfolobus solfataricus
strain MT4
GlucoseGlc/Man/GlcN/Gal
1.2 : 1.0 : 0.18 : 0.13
8.4 (mg Lβˆ’1)[5]
S. solfataricus
strain MT3
GlucoseGlc/Man/GlcN/Gal
1.2 : 1.0 : 0.77 : 0.73
7.0 (mg Lβˆ’1)[5]
Thermococcus litoralis MaltoseMan0.33 (g Lβˆ’1)[7, 40]

Chemical composition was determined by NMR spectroscopy analysis or by HPAE-PAD analysis after acid hydrolysis. n.d.: not determined; Gal: galactose; Glc: glucose; GlcA: glucuronic acid; GlcN: glucosamine; GlcANAc: N-acetylglucosamine; GlcNAcA: 2-acetamido-2-deoxyglucuronic acid; GlcpA2,3NAc: 2,3-diacetamido-2,3-dideoxy-D-glucopyranosiduronic acid; Man: mannose; Rha: rhamnose.

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