Harnessing the Algal Chloroplast for Heterologous Protein Production.

Harnessing the Algal Chloroplast for Heterologous Protein Production.
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利用藻类叶绿体进行异源蛋白生产。

DOI:
10.3390/microorganisms10040743
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发表时间:
2022-03-30
期刊:
影响因子:
4.5
通讯作者:
--
中科院分区:
生物学3区
文献类型:
--
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光合微生物作为光驱动的、低成本的高价值重组蛋白生产的异源宿主正受到越来越多的关注。单细胞藻类基因组操作的最新进展提供了建立工程菌株作为常规异养表达系统的安全和可行的替代品的机会,包括用于饲料,食品和生物制药工业。由于其基因组的相对较小的尺寸,藻类叶绿体是合成生物学方法的极好目标,并且是用于产物的区室化积累和储存的方便的亚细胞位点。不同类别的重组蛋白,包括具有治疗应用的酶和肽,已经在模式生物莱茵衣藻和其他一些物种的质体中成功表达,突出了转质体藻类生物技术的新兴潜力。在这篇综述中,我们提供了一个统一的观点,国家的最先进的工具,可用于引入微藻质体中的蛋白质编码转基因,并讨论了主要的(生物)技术瓶颈,仍然需要解决发展强大的和可持续的绿色细胞生物工厂。
Photosynthetic microbes are gaining increasing attention as heterologous hosts for the light-driven, low-cost production of high-value recombinant proteins. Recent advances in the manipulation of unicellular algal genomes offer the opportunity to establish engineered strains as safe and viable alternatives to conventional heterotrophic expression systems, including for their use in the feed, food, and biopharmaceutical industries. Due to the relatively small size of their genomes, algal chloroplasts are excellent targets for synthetic biology approaches, and are convenient subcellular sites for the compartmentalized accumulation and storage of products. Different classes of recombinant proteins, including enzymes and peptides with therapeutical applications, have been successfully expressed in the plastid of the model organism Chlamydomonas reinhardtii, and of a few other species, highlighting the emerging potential of transplastomic algal biotechnology. In this review, we provide a unified view on the state-of-the-art tools that are available to introduce protein-encoding transgenes in microalgal plastids, and discuss the main (bio)technological bottlenecks that still need to be addressed to develop robust and sustainable green cell biofactories.
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