高等植物叶绿体表达重组蛋白研究进展
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国家自然科学基金 (No. 31570370),浙江省自然科学基金 (No. LY15C020005) 资助。


Advances in chloroplast expression of recombinant proteins in higher plants
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National Natural Science Foundation of China (No. 31570370), Natural Science Foundation of Zhejiang Provincen, China (No. LY15C020005).

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    摘要:

    近年来,基因工程技术发展迅速,许多重组蛋白得以表达。其中利用植物生物反应器表达特异药物蛋白为人类一些重要疾病的预防和治疗提供了新途径。植物叶绿体遗传转化和表达系统成为目前植物生物反应器的研究热点。因结构和遗传上的特殊性,高等植物叶绿体在重组蛋白表达方面具有独特优势,外源基因表达量高、定点整合,而且叶绿体母系遗传特性保证了生物安全性。很多重要药用蛋白质在植物叶绿体中表达成功。烟草作为高等植物叶绿体转化模式植物,在疫苗抗原、抗体等药物蛋白和其他重要重组蛋白表达方面取得显著进展。高等植物叶绿体遗传转化也为叶绿体基因的表达和调控机制的研究提供新的技术和方法。文中从叶绿体遗传转化原理、载体构建、重组蛋白和重要药物蛋白在叶绿体中的表达以及重组蛋白表达对植物代谢和性状影响等多个角度,对高等植物叶绿体遗传转化体系研究的新进展进行了综述,以期为叶绿体表达平台的开发和重要药用蛋白质的表达提供新思路。

    Abstract:

    In recent years, gene engineering is developing rapidly and many recombinant proteins have been expressed. The use of plant bioreactor to express specific pharmaceutical proteins provides a new way for the prevention and treatment of some important diseases in human beings. Nowadays, chloroplast genetic transformation and expression system has become a research hotspot in plant bioreactor. Higher plant chloroplasts have unique advantages in the expression of recombinant proteins due to their special structures and inherited characteristics: such as high expression, site-specific integration, and the maternal inheritance characteristics of exogenous genes. The maternal inheritance of chloroplast is helpful for biological safety of transgene escaping by pollens. Many important pharmaceutical proteins have been successfully expressed in plant chloroplasts. As a chloroplast transformation model of higher plants, tobacco has made significant progress in the expression of pharmaceutical proteins, such as vaccine antigens, antibodies, and other important recombinant proteins. Chloroplast genetic transformation in higher plants also provides new techniques and methods for the study of chloroplast gene expression and regulation mechanisms. In order to provide a new idea for the development of chloroplast expression platform and the expression of important pharmaceutical proteins, this review outlined the progress of chloroplast genetic transformation system in higher plants, including the chloroplast transformation principle, vector construction, expression of recombinant proteins and important pharmaceutical proteins, and the effects of recombinant proteins expression on plant metabolism and traits.

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林优红,程霞英,杨东风,梁宗锁,杨宗岐. 高等植物叶绿体表达重组蛋白研究进展[J]. 生物工程学报, 2018, 34(5): 631-643

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  • 收稿日期:2017-10-30
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  • 在线发布日期: 2018-05-23
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