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Overexpression of a fusion protein of 4-coumaroyl-CoA ligase and polyketide synthase for raspberry ketone production in Chlamydomonas reinhardtii / 生物工程学报
Chinese Journal of Biotechnology ; (12): 2495-2502, 2021.
Artigo em Chinês | WPRIM | ID: wpr-887815
ABSTRACT
Raspberry ketones have important therapeutic properties such as anti-influenza and prevention of diabetes. In order to obtain raspberry ketone from Chlamydomonas reinhardtii, two enzymes catalyzing the last two steps of raspberry ketone synthesis, i.e. 4-coumaryl-CoA ligase (4CL) and polyketide synthase (PKS1), were fused using a glycine-serine-glycine (GSG) tripeptide linker to construct an expression vector pChla-4CL-PKS1. The fusion gene 4CL-PKS1 driven by a PSAD promoter was transformed into a wild-type (CC125) and a cell wall-deficient C. reinhardtii (CC425) by electroporation. The results showed the recombinant C. reinhardtii strain CC125 and CC425 with 4CL-PKS1 produced raspberry ketone at a level of 6.7 μg/g (fresh weight) and 5.9 μg/g (fresh weight), respectively, both were higher than that of the native raspberry ketone producing plants (2-4 μg/g).
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Butanonas / Acil Coenzima A / Chlamydomonas reinhardtii / Policetídeo Sintases / Ligases Idioma: Chinês Revista: Chinese Journal of Biotechnology Ano de publicação: 2021 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Butanonas / Acil Coenzima A / Chlamydomonas reinhardtii / Policetídeo Sintases / Ligases Idioma: Chinês Revista: Chinese Journal of Biotechnology Ano de publicação: 2021 Tipo de documento: Artigo