ArticlebioRxiv : the preprint server for biology2023
Ubiquitous purine sensor modulates diverse signal transduction pathways in bacteria.
Article in bioRxiv : the preprint server for biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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7 authors at 3 institutions in 2 countries.
Funding
Abstract
Purines and their derivatives are key molecules for controlling intracellular energy homeostasis and nucleotide synthesis. In eukaryotes, including humans, purines also act as signaling molecules that mediate extracellular communication and control key cellular processes, such as proliferation, migration, differentiation, and apoptosis. However, the signaling role of purines in bacteria is largely unknown. Here, by combining structural and sequence information, we define a purine-binding motif, which is present in sensor domains of thousands of bacterial receptors that modulate motility, gene expression, metabolism and second messenger turnover. The screening of compound libraries and microcalorimetric titrations of selected sensor domains validated their ability to specifically bind purine derivatives. The physiological relevance of purine sensing was demonstrated in a second messenger signaling system that modulates c-di-GMP levels.
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