Transgenic photosynthetic microorganisms and photobioreactor

Details Transgenic photosynthetic microorganisms and photobioreactor Transgenic photosynthetic microorganisms and photobioreactor

C - Chemistry, Metallurgy

12

N

C12N 15/63 (2006.01) C12M 1/00 (2006.01) C12M 1/42 (2006.01) C12N 1/13 (2006.01) C12N 1/21 (2006.01) C12N 9/16 (2006.01) C12N 15/00 (2006.01) C12N 15/55 (2006.01) C12P 19/00 (2006.01)

Patent

CA 2711147

Provided herein is a transgenic bacteria engineered to accumulate carbohydrates, for example disaccharides. Also provided is a photobioreactor for cultivating photosynthetic microorganisms comprising a non-gelatinous, solid cultivation support suitable for providing nutrients and moisture to photosynthetic microorganisms and a physical barrier covering at least a portion of the surface of the cultivation support. Devices for the large scale and continuous cultivation of photosynthetic microorganisms incorporating photobioreactors and methods of use are disclosed. Also disclosed are methods of producing fermentable sugar from photosynthetic microorganisms using a photobioreactor of the invention.

L'invention concerne une bactérie transgénique transformée de façon à accumuler des glucides, par exemple des disaccharides. Elle concerne également un photobioréacteur pour cultiver des micro-organismes photosynthétiques comprenant un support de culture solide non gélatineux permettant d'apporter nutriments et humidité aux micro-organismes photosynthétiques et une barrière physique couvrant au moins une portion de la surface du support de culture. Elle concerne en outre des dispositifs de culture continue à grande échelle de micro-organismes photosynthétiques comprenant des photobioréacteurs, et des procédés d'utilisation. Elle concerne aussi des procédés de production de sucre fermentescible par des micro-organismes photosynthétiques au moyen d'un photobioréacteur de l'invention.

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