Study on the Character of Cellulase in Monochamus alternatus Ⅲ.Effect of Some Ions on the Monochamus alternatus Cellulase Activity in vivo

WANG Hao-jie; SUO Feng-mei; GUO Fu-xin; XU Tian-sen; DING Zhong-wen

Eight common ions in practice,such as Ag+,Na+,Ca2+,Cu2+,Mn2+,Pb2+,Zn2+and Fe2+ were selected for experiment.The short-term and long-term effects of ions on the Monochamus alternatus cellulase activity in vivo was studied.The result showed that activity reduced differently when concentration of ions were added except Fe2+ in experiment conditions.Among the inhibiting ions, the effect of Ag+,Cu2+ and Pb2+ were evident extremely.Because of heavy metal and high price,Ag+ and Pb2+ were limited in practice,and not suitable for cellulase inhibitor.None but Cu2+and Mn2+ can be applied in practice,especially Cu2+ have excellent applications potential.

1. Research Institute of Subtropical Forestry, CAF, Fuyang311400, Zhejiang, China

2. Chakou Village School of Ci County, Hebei Province, Ci County 056500, Hebei, Chian

3. Fuyang Forestry Bureau, Zhejiang Province, Fuyang311400, Zhejiang, China

Received Date: 2005-07-01

Abstract: Eight common ions in practice,such as Ag+,Na+,Ca2+,Cu2+,Mn2+,Pb2+,Zn2+and Fe2+ were selected for experiment.The short-term and long-term effects of ions on the Monochamus alternatus cellulase activity in vivo was studied.The result showed that activity reduced differently when concentration of ions were added except Fe2+ in experiment conditions.Among the inhibiting ions, the effect of Ag+,Cu2+ and Pb2+ were evident extremely.Because of heavy metal and high price,Ag+ and Pb2+ were limited in practice,and not suitable for cellulase inhibitor.None but Cu2+and Mn2+ can be applied in practice,especially Cu2+ have excellent applications potential.

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Reference (12)

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Study on the Character of Cellulase in Monochamus alternatus Ⅲ.Effect of Some Ions on the Monochamus alternatus Cellulase Activity in vivo

Abstract

References

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