Fermentative production of non-volatile microbial metabolism products in solid form

    公开(公告)号:ZA200802925B

    公开(公告)日:2009-06-24

    申请号:ZA200802925

    申请日:2008-04-03

    Applicant: BASF SE

    Abstract: The present invention relates to a method for the production of at least one nonvolatile microbial metabolite in solid form by sugar-based microbial fermentation, in which process a microorganism strain which produces the desired metabolites is grown using a sugar-containing liquid medium with a monosaccharide content of more than 20% by weight based on the total weight of the liquid medium, and the volatile constituents of the fermentation liquor are subsequently largely removed, the sugar-containing liquid medium being prepared by: a1) milling selected starch feedstock from cereal grains; and a2) liquefying the millbase in an aqueous liquid in the presence of at least one starch-liquefying enzyme, followed by saccharification using at least one saccharifying enzyme, where, for liquefaction purposes, at least a portion of the millbase is liquefied by continuous or batchwise addition to the aqueous liquid. Furthermore, the invention relates to a solid formulation, of a nonvolatile microbial metabolite, obtainable by the method according to the invention; and to the use of such a solid formulation as additive or supplement for human or animal nutrition or for the treatment of textiles, leather, cellulose, paper or surfaces.

    FERMENTATIVE PRODUCTION OF ORGANIC COMPOUNDS

    公开(公告)号:MX2008006669A

    公开(公告)日:2008-06-02

    申请号:MX2008006669

    申请日:2008-05-23

    Applicant: BASF SE

    Abstract: Preparation of at least one organic compound (I) with at least 3 C atoms or at least two C and at least one N by fermentation. Preparation of at least one organic compound (I) with at least 3 C atoms or at least two C and at least one N by fermentation comprises: (a) millling a starch source (S) to form a milled product (MP) that contains at least part of the non-starch-containing solid components (X) of (S); (b) suspending (MP) in an aqueous liquid and hydrolysis of the starch components by enzymatic liquefaction and optionally subsequent saccharification, to form a first liquid medium (1), containing mono- or oligo-saccharides; and (c) adding (1), together with metabolizable mono-, di- and/or oligo-saccharides (Y), or compositions containing at least 50wt.% (Y) essentially free of water-insoluble solids, to a fermentation medium that contains microorganisms (MO) which can overproduce (I), under fermentation conditions.

    Microorganismo modificado con un comportamiento de separación de biomasa mejorado

    公开(公告)号:ES2702930T3

    公开(公告)日:2019-03-06

    申请号:ES15738594

    申请日:2015-02-06

    Applicant: BASF SE

    Abstract: Un microorganismo modificado de la familia Pasteurellaceae en el cual el gen wcaJ se ha delecionado o en el cual se ha introducido al menos una mutación en el gen wcaJ que conduce a la expresión de una enzima truncada codificada por el gen wcaJ en la cual al menos 100 aminoácidos de la enzima de tipo silvestre codificada por el gen wcaJ se delecionan del extremo C terminal, en el que el gen wcaJ comprende un ácido nucleico seleccionado del grupo que consiste en: a) ácidos nucleicos que tienen la secuencia nucleotídica de SEQ ID NO: 3; b) ácidos nucleicos que codifican la secuencia de aminoácidos de SEQ ID NO: 4; c) ácidos nucleicos que son al menos 70 % idénticos al ácido nucleico de a) o b), siendo la identidad la identidad en la longitud total de los ácidos nucleicos de a) o b); d) ácidos nucleicos que codifican una secuencia de aminoácidos que es al menos 70 % idéntica a la secuencia de aminoácidos codificada por el ácido nucleico de a) o b), siendo la identidad la identidad en la longitud total de la secuencia de aminoácidos codificada por los ácidos nucleicos de a) o b), e) ácidos nucleicos capaces de hibridar en condiciones rigurosas con una secuencia complementaria de cualquiera de los ácidos nucleicos de acuerdo con a) o b); y f) ácidos nucleicos que codifican la misma proteína que cualquiera de los ácidos nucleicos de a) o b), pero que difieren de los ácidos nucleicos de a) o b) anteriores debido a la degeneración del código genético.

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