Abstract: The invention relates to a method for preparing a cosmetic composition comprising the preparation of isododecane of natural origin and the mixture of isododecane formed with at least one compound selected from among: waxes, oils, film-forming agents, dyes and mixtures thereof. The invention also relates to the resulting cosmetic composition.

Abstract: Described are mevalonate diphosphate decarboxylase variants having improved activity in converting 3-phosphonoxyisovalerate into isobutene. Such variants can be employed in processes for biologically producing isobutene from 3-hydroxyisovalerate or from 3-hydroxy-3-methylbutyrate into isobutene, for biologically producing isoprenol from mevalonate or from mevalonate-3-phosphate or for biologically producing 1,3-butadiene from 3-hydroxypent-4-enoate or from 3-phosphonoxypent-4-enoate. Also described is an enzyme which is characterized in that it is capable of converting 3-phosphonoxyisovalerate into isobutene with a kcat of more than 0.1 s?1.

Abstract: Described are HIV kinase variants showing an improved activity in converting 3-hydroxyisovalerate (HIV) into 3-phosphonoxyisovalerate (PIV), methods for the production of PIV using such enzyme variants as well as methods for the production isobutene in a subsequent reaction.

Abstract: Described are 3-hydroxyisovalerate (HIV) synthase variants having improved activity in converting acetone and a compound which provides an activated acetyl group into 3-hydroxyisovalerate (HIV). Moreover, described are in particular methods for the production of 3-hydroxyisovalerate and methods for the production of isobutene from acetone utilizing the HIV synthase variants of the present invention.

Abstract: Described are alkenol dehydratase variants having improved activity in catalyzing the conversion of prenol into isoprene, methods for the production of isoprene using such enzyme variants and their uses in the production of isoprene from prenol.

Abstract: Described are HIV kinase variants showing an improved activity in converting 3-hydroxyisovalerate (HIV) into 3-phosphonoxyisovalerate (PIV), methods for the production of PIV using such enzyme variants as well as methods for the production isobutene in a subsequent reaction.

Abstract: Described are alkenol dehydratase variants having improved activity in catalyzing the conversion of a compound corresponding to the general formula CnH2nO into CnH2n-2 +H2O with 3<n<7. In particular, described are alkenol dehydratase variants having, e.g., an improved activity in converting but-2-en-1-ol (crotyl alcohol) into 1,3 butadiene and/or an improved activity in converting but-3-en-2-ol into 1,3 butadiene and/or an improved activity in converting 3-methylbut-2-en-1-ol (prenol) or 3-methylbut-3-en-2-ol (isoprenol) into isoprene and/or an improved activity in converting 2,3-dimethyl-but-2-en-1-ol into dimethyl-butadiene.

Abstract: The invention relates to a method for selecting proteins stable in non-standard physicochemical conditions (temperature, pressure, pH, osmolarity, salinity, solvent, etc.) comprising the expression, in an extremophilic microorganism, of variants of the protein of interest in the form of a fusion protein with a reporter protein which is stable in extreme conditions and acts as a selection marker.

Abstract: Described is a method for generating isoprenol through a biological process. More specifically, described is a method for producing isoprenol from mevalonate.

Abstract: Described are alkenol dehydratase variants having improved activity in catalyzing the conversion of prenol into isoprene, methods for the production of isoprene using such enzyme variants and their uses in the production of isoprene from prenol.

Abstract: Described is a method for the enzymatic production of isoprenol using mevalonate as a substrate and enzymatically converting it by a decarboxylation step into isoprenol as well as the use of an enzyme which is capable of catalyzing the decarboxylation of mevalonate for the production of isoprenol from mevalonate. Furthermore described is the use of mevalonate as a starting material for the production of isoprenol in an enzymatically catalyzed reaction.

Abstract: Described are 3-hydroxyisovalerate (HIV) synthase variants having improved activity in converting acetone and a compound which provides an activated acetyl group into 3-hydroxyisovalerate (HIV). Moreover, described are in particular methods for the production of 3-hydoxyisovalerate and methods for the production of isobutene from acetone utilizing the HIV synthase variants of the present invention.

Abstract: Described are alkenol dehydratase variants having improved activity in catalyzing the conversion of a compound corresponding to the general formula CnH2nO into CnH2n-2+H2O with 3<n<7. In particular, described are alkenol dehydratase variants having, e.g., an improved activity in converting but-2-en-1-ol (crotyl alcohol) into 1,3 butadiene and/or an improved activity in converting but-3-en-2-ol into 1,3 butadiene and/or an improved activity in converting 3-methylbut-2-en-1-ol (prenol) or 3-methylbut-3-en-2-ol (isoprenol) into isoprene and/or an improved activity in converting 2,3-dimethyl-but-2-en-1-ol into dimethyl-butadiene.

Abstract: Described are mevalonate diphosphate decarboxylase variants having improved activity in converting 3-phosphonoxyisovalerate into isobutene. Such variants can be employed in processes for biologically producing isobutene from 3-hydroxyisovalerate or from 3-hydroxy-3-methylbutyrate into isobutene, for biologically producing isoprenol from mevalonate or from mevalonate-3-phosphate or for biologically producing 1,3-butadiene from 3-hydroxypent-4-enoate or from 3-phosphonoxypent-4-enoate. Also described is an enzyme which is characterized in that it is capable of converting 3-phosphonoxyisovalerate into isobutene with a kcat of more than 0.1 s?1.

Abstract: The present invention relates to a method for generating alkenes through a biological process. More specifically, the invention relates to a method for producing alkenes (for example propylene, ethylene, 1-butylene, isobutylene or isoamylene) from molecules of the 3-hydroxyalkanoate type.

Abstract: Described is a method for the enzymatic production of isoprenol using mevalonate as a substrate and enzymatically converting it by a decarboxylation step into isoprenol as well as the use of an enzyme which is capable of catalyzing the decarboxylation of mevalonate for the production of isoprenol from mevalonate. Furthermore described is the use of mevalonate as a starting material for the production of isoprenol in an enzymatically catalysed reaction.

Abstract: The present invention relates to a method for generating alkenes through a biological process. More specifically, the invention relates to a method for producing alkenes (for example propylene, ethylene, 1-butylene, isobutylene or isoamylene) from molecules of the 3-hydroxyalkanoate type.

Abstract: The present invention provides the field of enhancing proteins and in particular to that of proteins enhanced by molecular change. It provides a variant of a phytase that is termed enhanced in that is has better thermostability and/or activity than the original phytase. The invention also provides a nucleic acid coding for said variant, a cassette or an expression vector containing said variant, a host cell expressing said variant, a composition comprising said variant and uses thereof, principally in the preparation of food additives and animal feed.

Abstract: Described is a method for the enzymatic production of isoprenol using mevalonate as a substrate and enzymatically converting it by a decarboxylation step into isoprenol as well as the use of an enzyme which is capable of catalyzing the decarboxylation of mevalonate for the production of isoprenol from mevalonate. Furthermore described is the use of mevalonate as a starting material for the production of isoprenol in an enzymatically catalyzed reaction.

Abstract: Described is a method for generating isoprenol through a biological process. More specifically, described is a method for producing isoprenol from mevalonate.