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Plant roots temporarily leak iron to promote colonization by beneficial rhizobacterium

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The beneficial rhizobacterium Bacillus velezensis SQR9 secretes YukE by the type VII secretion system; YukE inserts into the plant root cell membrane to cause iron leakage, which benefits SQR9 and thus promotes its rhizosphere colonization.

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Fig. 1: YukE inserts into the membrane and causes iron leakage from liposomes.

References

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This is a summary of: Liu, Y. et al. Plant commensal type VII secretion system causes iron leakage from roots to promote colonization. Nat. Microbiol. https://doi.org/10.1038/s41564-023-01402-1 (2023).

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Plant roots temporarily leak iron to promote colonization by beneficial rhizobacterium. Nat Microbiol 8, 1390–1391 (2023). https://doi.org/10.1038/s41564-023-01441-8

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