Amylases and glucoamylases, nucleic acids encoding them and...

C - Chemistry – Metallurgy – 12 – N

Patent

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C12N 15/56 (2006.01) A62D 3/02 (2007.01) G06F 19/22 (2011.01) A01H 5/00 (2006.01) A01K 67/027 (2006.01) A21D 2/26 (2006.01) A21D 8/04 (2006.01) A23C 9/12 (2006.01) A23K 1/165 (2006.01) A23L 1/09 (2006.01) A23L 1/305 (2006.01) A61K 8/66 (2006.01) A61K 9/28 (2006.01) A61K 9/52 (2006.01) A61K 38/47 (2006.01) A61L 2/16 (2006.01) C07H 21/04 (2006.01) C07K 16/40 (2006.01) C07K 19/00 (2006.01) C09K 8/035 (2006.01) C10L 1/04 (2006.01) C11D 7/42 (2006.01) C12C 11/00 (2006.01) C12G 3/00 (2006.01) C12N 9/24 (2006.01)

Patent

CA 2673525

In one aspect, the invention is directed to polypeptides having an amylase and/or glucoamylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of polysaccharide, oligosaccharide or starch into sugars. In one aspect, the invention provides delayed release compositions comprising an desired ingredient coated by a latex polymer coating. In alternative embodiments, enzymes are used to make biofuels, e.g., ethanol, butanol, propanol, or a gasoline-ethanol mix, including a bioethanol, biopropanol, biobutanol, or a biodiesel, or for any form of fuel or biomass processing.

Dans un aspect de l'invention, l'invention concerne des polypeptides présentant une activité d'amylase et/ou de glucoamylase, des polynucléotides codant ces polypeptides, ainsi que des procédés de fabrication et d'utilisation de ces polynucléotides et de ces polypeptides. Dans un aspect de l'invention, les polypeptides de l'invention peuvent être utilisés en tant qu'amylases, par exemple, des .alpha.-amylases, pour catalyser l'hydrolyse de polysaccharide, d'oligosaccharide et d'amidon en sucres. Dans un aspect de l'invention, l'invention concerne des compositions à libération retardée comprenant un ingrédient voulu enrobé d'un enrobage polymère de latex. Dans d'autres modes de réalisation, des enzymes sont utilisées pour fabriquer des biocarburants, par exemple, de l'éthanol, du buthanol, du propanol, ou un mélange gasoil/éthanol, lesquels biocarburants comprenant du bioéthanol, du biopropanol, du biogasoil, ou toute forme de carburant ou de biomasse transformée selon l'invention.

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