Activating Compound | Comment | Organism | Structure |
---|---|---|---|
inulin | with raw inulin in bioreactor, progressive increase in inulinase production with increase in inulin concentration up to 4.0% with a maximum inulinase activity of 50.2 IU/ml | Kluyveromyces marxianus | |
additional information | inulinase yield in bioreactor is almost 6times higher than basal medium used in shake flask. Tween-60 has no significant effect. Inoculum of 12 h old yeast culture is optimum for inulinase activity (36.9 IU/ml). 5% of 12 h old culture is optimum for the production of inulinase in the medium. Progressive increase in inulinase activity up to 37.0 IU/ml as the agitation speed is increased to 150 rpm. Maximum production of inulinase (40.2 IU/ml) after 60 h of incubation | Kluyveromyces marxianus | |
Sodium dodecyl sulfate | 0.001% is most effective for the inulinase activity (36.9 IU/ml) | Kluyveromyces marxianus |
Application | Comment | Organism |
---|---|---|
industry | higher inulinase activity from Kluyveromyces marxianus YS-1 is achieved by root powder extract of Asparagus officinalis. This plant material can be opted as a cheap inulin source for the production of inulinase | Kluyveromyces marxianus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Brij-35 | - |
Kluyveromyces marxianus | |
Cu2+ | inhibitory on inulinase synthesis | Kluyveromyces marxianus | |
Fe3+ | inhibitory on inulinase synthesis | Kluyveromyces marxianus | |
inulin | beyond 4% concentration, inulinase yield declines gradually, which may be attributed to the catabolic repression caused by higher inulin concentration | Kluyveromyces marxianus | |
additional information | enzyme activity decreases subsequently and reaches to 28.2 IU/mL at pH 7.5. At pH 4.0, the enzyme activity is very low (21.8 IU/ml). At 40°C, enzyme activity decreases to 21.1 IU/ml | Kluyveromyces marxianus | |
Sodium dodecyl sulfate | beyond 0.002% it is inhibitory | Kluyveromyces marxianus | |
Triton X-100 | - |
Kluyveromyces marxianus | |
Tween-20 | - |
Kluyveromyces marxianus | |
Tween-80 | - |
Kluyveromyces marxianus | |
Zn2+ | inhibitory on inulinase synthesis | Kluyveromyces marxianus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Co2+ | 2 mM significantly increases inulinase activity to nearly 110% | Kluyveromyces marxianus | |
Mg2+ | 2 mM significantly increases inulinase activity to nearly 114% | Kluyveromyces marxianus | |
Mn2+ | 2 mM significantly increases inulinase activity to nearly 125% | Kluyveromyces marxianus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Kluyveromyces marxianus | - |
- |
- |
Kluyveromyces marxianus Ys-1 | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
inulin + H2O | raw inulin from Asparagus officinalis | Kluyveromyces marxianus | ? | - |
? | |
inulin + H2O | raw inulin from Asparagus officinalis | Kluyveromyces marxianus Ys-1 | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
beta-D-fructan fructanohydrolase | - |
Kluyveromyces marxianus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
- |
Kluyveromyces marxianus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
- |
Kluyveromyces marxianus |