Prospects for inhibition of lignin degrading enzymes to control ganoderma white rot of oil palm
Oil palm (OP) is prone to a rot by the fungus Ganoderma which may be capable of being controlled by enzyme inhibitors. Palm oil is used in the production of vegetable oil for foods, cosmetics, pharmaceuticals and, most recently, biodiesel. However, the fundamental process of the disease as “white...
Saved in:
Main Authors: | , , , |
---|---|
Format: | Article |
Language: | English English |
Published: |
2008
|
Online Access: | http://psasir.upm.edu.my/id/eprint/16374/1/Prospects%20for%20inhibition%20of%20lignin%20degrading%20enzymes%20to%20control%20ganoderma%20white%20rot%20of%20oil%20palm.pdf http://psasir.upm.edu.my/id/eprint/16374/ |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Summary: | Oil palm (OP) is prone to a rot by the fungus Ganoderma which may be capable of being controlled by enzyme
inhibitors. Palm oil is used in the production of vegetable oil for foods, cosmetics, pharmaceuticals and, most recently,
biodiesel. However, the fundamental process of the disease as “white rot” has been ignored by researchers. White rot
fungi are capable of degrading lignin ultimately to carbon dioxide and water: Celluloses become available as nutrients for
the fungus. One potential control method is to inhibit the ligninolytic enzymes. There are few data on the lignin of OP and
none on how it is degraded by OP Ganoderma and so specific examples on how to inhibit the enzymes of the fungus is
impossible. Fortunately, there is more information on lignin and lignin model compounds degraded by other fungi. The
taxonomy of Ganoderma is confused; hence drawing direct comparisons between other taxa within the genus in terms of
ligninolysis is of limited utility. In general, ligninolytic enzymes can be inhibited by (a) temperature, pH and aeration, (b)
high carbon and high nitrogen and (c) halides, metal chelators, heavy metals, and reducing agents. These factors require to
be tested against the enzymes from Ganoderma from OPs in vitro with a view to developing control methods in the field,
and this is how the area requires to be progressed. Furthermore, the procedures may be useful to control other rots of trees
and wood products. In the case of OP, such compounds could be (a) injected into (b) sprayed onto and/or (c) added to the
soil of the OP. In conclusion, the control of Ganoderma of OP would benefit from investigating the effect of inhibitors on
the lignin degrading enzymes in vitro to enable this to be applied in plantations. |
---|