Ill combine my answers.
Bob
Yes, you need a cellulase to extract glucose and there are many with those from Trichoderma reesei being the most common and most studied with the genome known (?). The glucose has many uses with ethanol being just one of them losing ~ half of the starting material as CO2. Others like citric acid dont lose material except that used for cell growth.
I should mention the dilute and concentrated acid methods are also viable options, but I prefer the biological route for use in the third world. The EERE site has a lot of info about this and worth a look for those interested.
There are a few plants actually in production making glucose whose names and locations Ive forgotten -names like ADM, Cargil in places like Canada come to mind. .
With high fuel prices, the old technologies and some new ones may become viable again like during the first OPEC embargo circa 1970.
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Tom
The thesis (I think it is a thesis) is:
Pauliina Lankinen, Liginolytic enzymes of the basidiomycetous fungi Agaricus bisporus and Phlebia radiata on lignocellulose-containing media, Helsinki 2004
http://ethesis.helsinki.fi/julkaisut/maa/skemi/vk/lankinen/ligninol.pdf
There is a lot of research going on in Finland and Sweden because of he economic importance of forests in these countries.
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Greg
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