Properties of endo-β-1,4-glucanases and β-1,4-glucosidases from various invertebrates
| . | Endo-β-1,4-glucanase . | . | β-1,4-glucosidase . | . | . | . | |||
|---|---|---|---|---|---|---|---|---|---|
| Species . | pH optimum . | Km (mg ml-1 CMC) . | pH optimum . | Km (mmol l-1 cellobiose) . | Ki (mmol l-1) . | Reference . | |||
| Reticulitermes speratus (termite) | 6 | 1.83, 1.48 | Watanabe et al. (1997) | ||||||
| Nasutitermes takasagoensis (termite) | 5.8 | 8.7 | Tokuda et al. (1997) | ||||||
| Panesthia cribrata (cockroach) | 9.4, 6.8 | 2.4, 13.8 | 0.33 | Scrivener and Slaytor (1994) | |||||
| Geoscapheus dilatatus (cockroach) | 8.7, 4.6, 7.6 | Scrivener et al. (1997) | |||||||
| Erinnyis ello (cassava hornworm) | 6.5 | 2±0.2 | 0.0009 | Santos and Terra (1985) | |||||
| Locusta migratoria (locust) | 5.5 | 1.95 | Morgan (1975) | ||||||
| Cherax quadricarinatus (decapod crustacean) | 4–5 | Xue et al. (1999) | |||||||
| Gecarcoidea natalis (decapod) | 5.5–7 | 3.03 | 4–7 | 5.84 | 11.12 | Present study | |||
| Discoplax hirtipes (decapod) | 5.5–7 | 4–7 | 4.23 | 4.53 | Present study | ||||
| . | Endo-β-1,4-glucanase . | . | β-1,4-glucosidase . | . | . | . | |||
|---|---|---|---|---|---|---|---|---|---|
| Species . | pH optimum . | Km (mg ml-1 CMC) . | pH optimum . | Km (mmol l-1 cellobiose) . | Ki (mmol l-1) . | Reference . | |||
| Reticulitermes speratus (termite) | 6 | 1.83, 1.48 | Watanabe et al. (1997) | ||||||
| Nasutitermes takasagoensis (termite) | 5.8 | 8.7 | Tokuda et al. (1997) | ||||||
| Panesthia cribrata (cockroach) | 9.4, 6.8 | 2.4, 13.8 | 0.33 | Scrivener and Slaytor (1994) | |||||
| Geoscapheus dilatatus (cockroach) | 8.7, 4.6, 7.6 | Scrivener et al. (1997) | |||||||
| Erinnyis ello (cassava hornworm) | 6.5 | 2±0.2 | 0.0009 | Santos and Terra (1985) | |||||
| Locusta migratoria (locust) | 5.5 | 1.95 | Morgan (1975) | ||||||
| Cherax quadricarinatus (decapod crustacean) | 4–5 | Xue et al. (1999) | |||||||
| Gecarcoidea natalis (decapod) | 5.5–7 | 3.03 | 4–7 | 5.84 | 11.12 | Present study | |||
| Discoplax hirtipes (decapod) | 5.5–7 | 4–7 | 4.23 | 4.53 | Present study | ||||
CMC, carboxymethyl cellulose. Ki is the inhibitory constant of glucono-d-lactone on β-1,4-glucosidase.