The present invention relates to compositions comprising: a polypeptide having cellulolytic enhancing activity and an organic compound. The present invention also relates to methods of using the compositions.

The invention relates to methods of saccharifying a cellulosic material comprising subjecting the cellulosic material to a laccase and a cellulolytic enzyme composition comprising a GH61 polypeptide in the presence of dissolved oxygen at a concentration in the range of 0.5-90% of the saturation level. The invention also related to methods of producing desired fermentation products, such as ethanol, using a method including a saccharification step of the invention.

The invention relates to methods of saccharifying a cellulosic material comprising subjecting the cellulosic material to a laccase and a cellulolytic enzyme composition comprising a GH61 polypeptide in the presence of dissolved oxygen at a concentration in the range of 0.5-90% of the saturation level. The invention also related to methods of producing desired fermentation products, such as ethanol, using a method including a saccharification step of the invention.

The present application relates to a method of producing drimenol and/or drimenol derivatives by comprising contacting at least one polypeptide with farnesyl diphosphate (FPP). The method may be performed in vitro or in vivo. Also provided are amino acid sequences of polypeptides useful in the methods and nucleic acids encoding the polypeptides described. The method further provides host cells or organisms genetically modified to express the polypeptides and useful to produce drimenol and/or derivatives of drimenol.

The present application relates to a method of producing drimenol and/or drimenol derivatives by comprising contacting at least one polypeptide with farnesyl diphosphate (FPP). The method may be performed in vitro or in vivo. Also provided are amino acid sequences of polypeptides useful in the methods and nucleic acids encoding the polypeptides described. The method further provides host cells or organisms genetically modified to express the polypeptides and useful to produce drimenol and/or derivatives of drimenol.

The present invention relates to isolated polypeptides having cellobiohydrolase activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.

The present invention relates to a method for cultivating a microorganism capable of utilizing an organic feedstock, comprising the steps of: (i) cultivating the microorganism in one or more bioreactors (1); (ii) capturing CO.sub.2 from the one or more bioreactors (1) and reducing the CO.sub.2 to an organic feedstock in a reduction unit (3); and (iii) feeding at least a part of the organic feedstock from the reduction unit (3) into one or more bioreactors (1).

Described herein is a method of producing a drimane sesquiterpene, such as an albicanol compound and/or derivatives thereof, by contacting at least one polypeptide with farnesyl diphosphate (FPP) with a polypeptide of the Haloacid dehalogenase-like (HAD-like) hydrolase superfamily as obtainable from plants of the genus Dryopteris, in particular of the species Dryopteris fragrans. The method may be performed in vitro or in vivo. Also described herein are amino acid sequences of polypeptides useful in the methods and nucleic acids encoding the polypeptides described. Also described herein are host cells or organisms genetically modified to express the polypeptides and useful to produce a drimane sesquiterpene such as an albicanol compound.

Described herein is a method of producing a drimane sesquiterpene, such as an albicanol compound and/or derivatives thereof, by contacting at least one polypeptide with farnesyl diphosphate (FPP) with a polypeptide of the Haloacid dehalogenase-like (HAD-like) hydrolase superfamily as obtainable from plants of the genus Dryopteris, in particular of the species Dryopteris fragrans. The method may be performed in vitro or in vivo. Also described herein are amino acid sequences of polypeptides useful in the methods and nucleic acids encoding the polypeptides described. Also described herein are host cells or organisms genetically modified to express the polypeptides and useful to produce a drimane sesquiterpene such as an albicanol compound.

In various aspects and embodiments, the invention relates to bacterial strains and methods for making terpene and terpenoid products. The invention provides bacterial strains with improved carbon flux through the MEP pathway, to thereby increase terpene and/or terpenoid product yield by fermentation with carbon sources such as glucose.