CONSTRUCTION OF MUCOR CIRCINELLOIDES CELL FACTORY FOR PRODUCING STEARIDONIC ACID AND FERMENTATION TECHNOLOGY THEREOF

    公开(公告)号:US20210102225A1

    公开(公告)日:2021-04-08

    申请号:US17120160

    申请日:2020-12-12

    Abstract: Provided is construction of Mucor circinelloides cell factory for producing stearidonic acid SDA and fermentation technology thereof. Δ15 Des gene is obtained by cloning from Mortierella alpina, the gene is ligated to an integrative plasmid pMAT1552, and transformed into a Mucor circinelloides defective strain Mu402, and Δ15 Des is integrated on Mucor circinelloides genome through homologous recombination, to obtain the recombinant strain Mc-Δ15, finally, the expression of the Δ15 Des gene in Mucor circinelloides is realized. The recombinant new strain was preserved in China General Microbiological Culture Collection Center on Jun. 20, 2018, and the address is NO. 1 West Beichen Road, Chaoyang District, Beijing. The center gave the biological material the preservation number CGMCC No. 15888, and the suggested classification name is Mucor circinelloides-D15D.

    DICARBOXYLIC ACID TRANSPORTER FOR INCREASING OIL YIELD OF MUCOR CIRCINELLOIDES

    公开(公告)号:US20210292380A1

    公开(公告)日:2021-09-23

    申请号:US17262960

    申请日:2019-11-20

    Abstract: The present application discloses a dicarboxylic acid transporter and its encoding gene dit gene for increasing oil yield of Mucor circinelloides, the dit gene is cloned from the high-yield M. circinelloides WJ11, and the dit gene is transformed into M. circinelloides deficient strain Mu402, the dit gene is integrated into the genome of M. circinelloides by homologous recombination to obtain recombinant strain Mc-Dit. The total fatty acid content of the Mc-Dit strain increased by 33.76% and the intracellular lipid content may reach up to 17.67% of the dry biomass.

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