Synthetic Bacterial Community of Duckweed: A Simple and Stable System to Study Plant-microbe Interactions

Hidehiro Ishizawa; Minami Tada; Masashi Kuroda; Daisuke Inoue; Hiroyuki Futamata; Michihiko Ike

doi:10.1264/jsme2.ME20112

Short Communication

Synthetic Bacterial Community of Duckweed: A Simple and Stable System to Study Plant-microbe Interactions

Hidehiro Ishizawa, Minami Tada, Masashi Kuroda, Daisuke Inoue, Hiroyuki Futamata, Michihiko Ike

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Keywords: synthetic ecology, duckweed, plant-microbe interaction, SynCom, bacterial community assembly

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Supplementary material

2020 Volume 35 Issue 4 Article ID: ME20112

DOI https://doi.org/10.1264/jsme2.ME20112

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Abstract

A complete understanding of the plant microbiome has not yet been achieved due to its complexity and temporal shifts in the community structure. To overcome these issues, we created a synthetic bacterial community of the aquatic plant, duckweed. The synthetic community established with six bacterial strains showed a stable composition for 50 days, which may have been because duckweed maintains a similar physiological status through its clonal reproduction. Additionally, the synthetic community reflected the taxonomic structure of the natural duckweed microbiome at the family level. These results suggest the potential of a duckweed-based synthetic community as a useful model system for examining the community assembly mechanisms of the plant microbiome.

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