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  • . 2021,37(2):353-360
    DOI: 10.13345/j.cjb.210098
    从本期开始,本刊主编或副主编将遴选1-2篇亮点文章进行点评,并对在生物工程领域具有重要应用价值的当期文章进行导读。主编导读不同于文章的摘要,主要侧重于用比较浅显的语言介绍文章的背景、主要思路和下一步的方向,旨在激发生物工程领域不同背景的读者对相关文章的阅读兴趣。主编导读也将在《生物工程学报》微信公众号同步刊发
    Citation
    编辑部.主编导读[J].Chinese Journal of Biotechnology,2021,37(2):353-360
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  • Exoelectrogenic microorganisms are the research basis of microbial electrochemical technologies such as microbial fuel cells, electrolytic cells and electrosynthesis. However, their applications are restricted in organic degradation, power generation, seawater desalination, bioremediation, and biosensors due to the weak ability of biofilm formation and the low extracellular electron transfer (EET) efficiency between exoelectrogenic microorganisms and electrode. Therefore, engineering optimization of interaction between exoelectrogenic microorganisms and electrode interface recently has been the research focus. In this article, we review the updated progress in strategies for enhancing microbe-electrode interactions based on microbial engineering modifications, with a focus on the applicability and limitations of these strategies. In addition, we also address research prospects of enhancing the interaction between electroactive cells and electrodes.
    Citation
    刘向,张君奇,张保财,杨池,李锋,宋浩.强化产电微生物与电极间电子传递速率的研究进展[J].Chinese Journal of Biotechnology,2021,37(2):361-377
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  • In recent years, to solve the increasingly prominent problem of the contradiction between human social development and environmental resources, artificial meat has appeared in public view more and more. Generally speaking, the artificial meat can be divided into vegetable protein meat and cell cultured meat. Among them, vegetable protein meat has gradually begun to be commercialized, and cell cultured meat is cultured with animal cells, which is more similar to the real meat. Based on the analysis of the essence of cell cultured meat, we explore the positive significance of cell cultured meat technology for the meat production industry, consumer groups, and the sustainable development of mankind in the future. From the perspective of bioethics, the research, development and production of cell cultured meat can help ensure the sustainable development of human society, improve animal welfare, reduce resource demand, improve the nutritional function of meat products, and provide new growth points for the development of other industries. In addition, the ethical risks of food safety, technology abuse and technical supervision involved in cell cultured meat production are put forward for deep consideration, hoping to provide reference for the sustainable development of artificial meat industry from the perspective of bioethics.
    Citation
    汪超,刘元法,周景文.细胞培养肉的生物伦理学思考[J].Chinese Journal of Biotechnology,2021,37(2):378-383
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  • Polyhydroxyalkanoates (PHAs) are polymers obtained by esterification of hydroxy fatty acid monomers. Due to similar mechanical characteristics of traditional petroleum-based plastics, 100% biodegradability and biocompatibility, PHAs are considered to be one of the most potential green materials. However, the application and promotion of PHAs as a green and environmentally friendly material are difficult because of the high production costs. This article focuses on the current methods to reduce production cost of PHAs effectively, such as cell morphology regulation, metabolic pathway construction, economic carbon source utilization and open fermentation technology development. Despite most research results are still limited in laboratory, the research methods and directions provide theoretical guidance for the industrial production of economic PHAs.
    Citation
    袁恺,周卫强,彭超,唐堂,王琪,汤维涛,安泰,陈博,刘海军,武丽达,李义,佟毅.微生物发酵法生产聚羟基脂肪酸酯的研究进展[J].Chinese Journal of Biotechnology,2021,37(2):384-394
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