Biodegradation of aromatic pollutants meets synthetic biology.

Biodegradation of aromatic pollutants meets synthetic biology.
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芳香族污染物的生物降解符合合成生物学。

DOI:
10.1016/j.synbio.2021.06.001
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发表时间:
2021-09
影响因子:
4.8
通讯作者:
Dai J
Dai J
中科院分区:
生物学2区
文献类型:
--
作者:
Xiang L;Li G;Wen L;Su C;Liu Y;Tang H;Dai J

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普遍分布的微生物是环境污染物的天然分解者。然而,由于人类活动不断产生新的难降解污染物,微生物很难通过自然进化获得新的降解机制。合成生物学提供了有目的地设计、改造甚至重新合成生物体的工具,加速了特定污染物从无法降解到能够降解、从低效降解到高效降解的转变,从而为环境生物修复提供了新的解决方案。本文综述了构建芳香族污染物处理底盘细胞的途径,并提出了设计微生物的建议,重点介绍了在不同水平上对目标生物进行修饰的策略。最后,我们讨论了在这一领域的未来研究的挑战和机遇。
Ubiquitously distributed microorganisms are natural decomposers of environmental pollutants. However, because of continuous generation of novel recalcitrant pollutants due to human activities, it is difficult, if not impossible, for microbes to acquire novel degradation mechanisms through natural evolution. Synthetic biology provides tools to engineer, transform or even re-synthesize an organism purposefully, accelerating transition from unable to able, inefficient to efficient degradation of given pollutants, and therefore, providing new solutions for environmental bioremediation. In this review, we described the pipeline to build chassis cells for the treatment of aromatic pollutants, and presented a proposal to design microbes with emphasis on the strategies applied to modify the target organism at different level. Finally, we discussed challenges and opportunities for future research in this field.
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期刊: NATURE
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