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    • 33. 发明公开
    • METHODS AND MEANS FOR ENHANCING RNA PRODUCTION
    • VERFAHREN UND MITTEL ZUR VERBESSERUNG DER RNA-HERSTELLUNG
    • EP3155129A1
    • 2017-04-19
    • EP15738263.1
    • 2015-06-10
    • CureVac AG
    • WOCHNER, AnielaROOS, TilmannKETTERER, Thomas
    • C12Q1/68B01L3/00
    • C12P19/34C12M21/18C12M23/44C12M29/04C12M29/14C12M29/18C12M41/26C12M41/32C12M41/48C12Q1/6844C12Q2521/119C12Q2525/117C12Q2527/113C12Q2527/137
    • The present invention relates to a method for synthesizing an RNA molecule of a given sequence, comprising the step of determining the fraction (1) for each of the four nucleotides G, A, C and U in said RNA molecule, and the step of synthesizing said RNA molecule by in vitro transcription in a sequence-optimized reaction mix, wherein said sequence-optimized reaction mix comprises the four ribonucleoside triphosphates GTP, ATP, CTP and UTP, wherein the fraction (2) of each of the four ribonucleoside triphosphates in the sequence-optimized reaction mix corresponds to the fraction (1) of the respective nucleotide in said RNA molecule, a buffer, a DNA template, and an RNA polymerase. Further, the present invention relates to a bioreactor (1) for synthesizing RNA molecules of a given sequence, the bioreactor (1) having a reaction module (2) for carrying out in vitro RNA transcription reactions in a sequence-optimized reaction mix, a capture module (3) for temporarily capturing the transcribed RNA molecules, and a control module (4) for controlling the infeed of components of the sequence-optimized reaction mix into the reaction module (2), wherein the reaction module (2) comprises a filtration membrane (21) for separating nucleotides from the reaction mix, and the control of the infeed of components of the sequence-optimized reaction mix by the control module (4) is based on a measured concentration of separated nucleotides.
    • 本发明涉及一种合成给定序列的RNA分子的方法,包括测定所述RNA分子中四个核苷酸G,A,C和U中的每一个的级分(1)的步骤,以及合成步骤 所述RNA分子通过在序列优化的反应混合物中的体外转录,其中所述序列优化的反应混合物包含四种核糖核苷三磷酸GTP,ATP,CTP和UTP,其中四种核糖核苷三磷酸中的每一种的级分(2) 序列优化的反应混合物对应于所述RNA分子中的相应核苷酸的级分(1),缓冲液,DNA模板和RNA聚合酶。 此外,本发明涉及用于合成给定序列的RNA分子的生物反应器(1),所述生物反应器(1)具有用于在序列优化的反应混合物中进行体外RNA转录反应的反应模块(2), 捕获模块(3),用于临时捕获转录的RNA分子;以及控制模块(4),用于控制将序列优化的反应混合物的组分进料到反应模块(2)中,其中反应模块(2)包含 用于从反应混合物分离核苷酸的过滤膜(21),以及通过对照组(4)控制序列优化的反应混合物的组分的进料是基于分离的核苷酸的测量浓度。