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A Chemical Model for Genetic Code Origin and Study on the Synthesis of Aryl Phosphine Oxide

Abstract

遗传密码子的起源问题是世界上重大的科学问题,一直受到整个科学界关注和探索。从遗传密码子表中分析得出三联体遗传密码子中,氨基酸的编码与遗传密码三联体中间的核苷有直接关系。无机磷作为前生源条件下可能存在的缩合试剂,对研究生命起源过程具有重要意义。 本文建立了简单的化学模型(氨基酸、核苷和磷试剂)。将苯丙氨酸和核苷转变成N,O-BTMS-α-苯丙氨酸和O-TMS-核苷,三氯氧磷作为核苷和氨基酸的活化剂来研究氨基酸成肽与核苷之间的关系,进一步研究密码子起源的化学机理。使用UV和MRM双重定量产物苯丙-苯丙二肽方法对模型进行研究,相关系数R均在0.999以上,样品的RSD(%)均小于2%。质谱定量的实...The origin of the genetic code has been recognized as one of the most important scientific problems, which has attracted increasing attention and exploration. The genetic code is a triplet code. Inorganic phosphorus compounds probably played the key role as condensation reagents for peptide formation in prebiotic evolution, which is of great significance to the study on the origin process of life....学位:理学博士院系专业:化学化工学院_化学生物学学号:2052012015347

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