Transformant and process for producing polyester by using...

C - Chemistry – Metallurgy – 12 – N

Patent

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C12N 15/52 (2006.01) C12N 9/00 (2006.01) C12N 9/88 (2006.01) C12P 7/62 (2006.01)

Patent

CA 2374969

A gene encoding copolymerized polyester synthase; a microorganism synthesizing polyester via fermentation with the use of the above gene; and a process for producing polyester by using the above microorganism. More particularly speaking, a gene acting in a host wherein a plastic-like polymer which is degradable by microorganisms in natural environment (soil, river, ocean) can be enzymatically synthesized; a transformant having an improved ability to synthesize a plastic-like polymer by fermentation which is obtained by transforming the above gene; and a process for producing copolymerized polyester by using the above transformant.

L'invention concerne un gène codant pour une synthase de polyester copolymérisé, un micro-organisme synthétisant un polyester par fermentation à l'aide de ce gène, ainsi qu'un procédé de production d'un polyester au moyen dudit micro-organisme. Plus particulièrement, l'invention se rapporte à un gène agissant chez un hôte dans lequel un polymère de type plastique dégradable par des micro-organismes dans un environnement naturel (sol, rivière, océan) peut être synthétisé par voie enzymatique, à un transformant présentant une aptitude accrue à synthétiser un polymère de type plastique par fermentation, laquelle est obtenue par transformation du gène susmentionné, ainsi qu'à un procédé destiné à produire un polyester copolymérisé au moyen de ce transformant.

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