Identification and genetic dissection of convergent persister cell states

Sydney B. Blattman, Wenyan Jiang, E. Riley McGarrigle, Menghan Liu, Panos Oikonomou and Saeed Tavazoie ()
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Sydney B. Blattman: Columbia University
Wenyan Jiang: Columbia University
E. Riley McGarrigle: Columbia University
Menghan Liu: Columbia University
Panos Oikonomou: Columbia University
Saeed Tavazoie: Columbia University

Nature, 2024, vol. 636, issue 8042, 438-446

Abstract: Abstract Persister cells, rare phenotypic variants that survive normally lethal levels of antibiotics, present a major barrier to clearing bacterial infections1. However, understanding the precise physiological state and genetic basis of persister formation has been a longstanding challenge. Here we generated a high-resolution single-cell2 RNA atlas of Escherichia coli growth transitions, which revealed that persisters from diverse genetic and physiological models converge to transcriptional states that are distinct from standard growth phases and instead exhibit a dominant signature of translational deficiency. We then used ultra-dense CRISPR interference3 to determine how every E. coli gene contributes to persister formation across genetic models. Among critical genes with large effects, we found lon, which encodes a highly conserved protease4, and yqgE, a poorly characterized gene whose product strongly modulates the duration of post-starvation dormancy and persistence. Our work reveals key physiologic and genetic factors that underlie starvation-triggered persistence, a critical step towards targeting persisters in recalcitrant bacterial infections.

Date: 2024
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DOI: 10.1038/s41586-024-08124-2

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