A Co-culture of Staphylococcus epidermidis and Staphylococcus aureus in a Monodisperse Droplet to Investigate Microbial Interaction at Defined Microenvironment

IF 3.2 4区 工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY
So-Yeon Jung, Kyung Han Kim, Jae Seong Kim, Bo-Hyeon Hwang, Chang-Soo Lee
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Abstract

The inter-species interactions in microbial communities involve many complex chemical processes that remain largely unexplored. Even in controlled experiments, the detailed interactions between two microbial species are not fully understood. Here, we introduce a microfluidic co-cultivation technique that allows for the study of growth and interactions within microbial consortia at the single-cell level. This straightforward method successfully co-encapsulates Staphylococcus epidermidis and Staphylococcus aureus in a single droplet, creating a controlled environment. Unlike traditional methods, where average bulk responses often obscure individual cell behaviors, the confined space of the droplet provides detailed observation of cellular dynamics. Our method provides interesting information of microbial interactions, such as population dependencies, growth constants, and doubling times. In this study, two distinct microbial species are selected to demonstrate the broad potential of this technology. Our results show that co-cultivation in a limited space markedly affects the growth of each microbial species and the growth kinetics depend on the ratio of the two species. We confirm that Staphylococcus epidermidis can suppress the growth of the common pathogen, Staphylococcus aureus. This microfluidic co-encapsulation method opens a solid platform for future research into both contactless and contact-based interactions within both natural and engineered microbial communities.

Abstract Image

表皮葡萄球菌和金黄色葡萄球菌在单分散液滴中共同培养以研究微生物在特定微环境中的相互作用
微生物群落中物种间的相互作用涉及许多复杂的化学过程,这些过程在很大程度上仍未被探索。即使在对照实验中,两种微生物之间的详细相互作用也没有完全了解。在这里,我们介绍了一种微流体共培养技术,允许在单细胞水平上研究微生物群落的生长和相互作用。这种简单的方法成功地将表皮葡萄球菌和金黄色葡萄球菌共包裹在一个液滴中,创造了一个可控的环境。与传统方法不同,在传统方法中,平均体积响应通常会模糊单个细胞的行为,而液滴的有限空间提供了细胞动力学的详细观察。我们的方法提供了微生物相互作用的有趣信息,如群体依赖性、生长常数和倍增时间。在本研究中,选择了两种不同的微生物物种来证明该技术的广泛潜力。研究结果表明,在有限的空间内共同培养会显著影响每种微生物的生长,其生长动力学取决于两种微生物的比例。我们证实表皮葡萄球菌可以抑制常见病原体金黄色葡萄球菌的生长。这种微流体共封装方法为未来研究自然和工程微生物群落中的非接触和基于接触的相互作用开辟了坚实的平台。
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来源期刊
Korean Journal of Chemical Engineering
Korean Journal of Chemical Engineering 工程技术-工程:化工
CiteScore
4.60
自引率
11.10%
发文量
310
审稿时长
4.7 months
期刊介绍: The Korean Journal of Chemical Engineering provides a global forum for the dissemination of research in chemical engineering. The Journal publishes significant research results obtained in the Asia-Pacific region, and simultaneously introduces recent technical progress made in other areas of the world to this region. Submitted research papers must be of potential industrial significance and specifically concerned with chemical engineering. The editors will give preference to papers having a clearly stated practical scope and applicability in the areas of chemical engineering, and to those where new theoretical concepts are supported by new experimental details. The Journal also regularly publishes featured reviews on emerging and industrially important subjects of chemical engineering as well as selected papers presented at international conferences on the subjects.
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