Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
Original Papers
A Bacterial Continuous Culture System Based on a Microfluidic Droplet Open Reactor
Manami ITOHaruka SUGIURAShotaro AYUKAWADaisuke KIGAMasahiro TAKINOUE
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JOURNALS FREE ACCESS

2016 Volume 32 Issue 1 Pages 61-66

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Abstract

Recently, micrometer-sized bacterial culture systems have attracted attention as useful tools for synthetic biology studies. Here, we present the development of a bacterial continuous culture system based on a microdroplet open reactor consisting of two types of water-in-oil microdroplets with diameters of several hundred micrometers. A continuous culture was realized the through supply of nutrient substrates and the removal of waste and excess bacterial cells based on repeated fusion and fission of droplets. The growth dynamics was controlled by the interval of fusion. We constructed a microfluidic system and quantitatively assessed the dynamics of the bacterial growth using a mathematical model. This system will facilitate the study of synthetic biology and metabolic engineering in the future.

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© 2016 by The Japan Society for Analytical Chemistry
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