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Table 2 Different inulinase-producing microorganisms and inulinase activity

From: Recent advances in bio-based multi-products of agricultural Jerusalem artichoke resources

Source Type Strains Enzyme activity Enzyme property References
Mr (kDa) Optima Kinetic characteristics Effects of metal ions
T (°C) pH K m V m
Molds Exo- Aspergillus fumigatus   62 60 6.0 1.25 mM 3.47 × 104/min Activated by K+ and Cu2+; inhibited 5 mM Hg2+ and Fe2+ [49]
Exo- Endo- Aspergillus niger NK-126 52.3 U/mL 65 55 5.0 5.3 ± 1.1 mM 402.1 ± 53.1 µmol/min/mg Activated by Cu2+; inhibited by Fe2+ [32, 44]
Exo- Aspergillus niger SL-09 230 U/mL        [33]
Exo- Aspergillus niveus 4128URM 11 U/mL   45 4.0 and 4.8     [61]
Exo- Aspergillus ficuum SK004 53.1 U/mL   60 4.5     [62]
Exo- Endo- Aspergillus ficuum JNSP5-06 205.6302 U/gds Exo-I: 70 Exo-II: 40 Exo-III: 46 Endo-I: 34 Endo-II: 31 45 Exo-I: 4.5 Exo-II: 4.5 Exo-III: 4.5 Endo-I: 5.0 Exo-II: 5.0 Exo-I: 43.1 mg/mL Exo-II: 31.5 mg/mL Exo-III: 25.3 mg/mL Endo-I: 14.8 mg/mL Endo-II: 25.6 mg/mL   Inhibited by Ag+ Fe2+ and Al3+ [63, 64]
Endo- Aspergillus tritici 25.01 U/mL        [65]
Endo- Penicillium sp. TN-88 9.9 U/mL 68 50 5.2 0.20 mM at 40 °C and pH 5.0   Inhibited by Ag+ and Hg+ [54]
Yeasts Exo- Kluyveromyces marxianus YS-1 55.4 U/mL   50 5.5    Activated by Mn2+ and Ca2+; inhibited by Hg2+ and Ag2+ [34, 47]
Exo- Kluyveromyces sp. S120 409.8 U/gds   50 5.5 10.63 mg/mL 15.72 mg/(mL s) Activated by Mn2+, Mg2+ and Ca2+; inhibited by Zn2+, Cu2+ and Fe2+ [66, 67]
Exo- K. marxianus ATCC 16045 121 U/mL 59       [68]
Exo- Cryptococcus aureus G7a 85.0 ± 1.1 U/mL 60.0 50 5 20.0602 mg/mL 0.008502 mg/min Activated by Ca2+, K+, Na+, Fe2 + and Cu2 + ; inhibited by Mg2+, Hg2+, and Ag+ [69, 70]
Exo- P. guilliermondii M-30 127.7 U/mL 57.6 60 6     [38, 71]
Bacteria Exo- Streptomyces sp. GNDU-1 0.552 U/mL   60 5.5     [72]
Exo- Paenibacillus polymyxa ZJ-9 0.45 U/mL 56 25 6.0 1.72 mM 21.69 μmol/min/mg Activated by Zn2+, Fe2+, and Mg2+; inhibited by Co2+, Cu2+ [73]
Endo- Arthrobacter sp. S37 10.8 U/mL 75 50 7.5     [74, 75]
Endo- Bacillus smithii T7 135.2 U/mL   70 4.5     [39]
Endo- Bacillus safensis AS-08 28.67 U/mL        [76]