ArticleGenetics2026
Harnessing microbial tools: Escherichia coli as a vehicle for neuropeptide functional analysis in Caenorhabditis elegans.
Article in Genetics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- INS-17 acts as a nutrient deprivation signal to mediate adult IIS-regulated associative behaviors in C. elegans.PLoS genetics · 2026Article
- INS-17, an insulin-receptor ligand, confers specificity in adult IIS-regulated phenotypes inbioRxiv : the preprint server for biology · 2025Article
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6 authors.
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Abstract
Animals respond to changes in their environment and internal states via neuromodulation. Neuropeptides modulate neural circuits with flexibility because 1 gene can produce either multiple copies of the same neuropeptide or different neuropeptides. However, with this architectural complexity, the function of discrete and active neuropeptides is muddled. Here, we design a genetic tool that facilitates functional analysis of individual peptides. We engineered Escherichia coli bacteria to express active peptides, fed loss-of-function Caenorhabditis elegans, and rescued the activity of genes with varying lengths and functions: pdf-1, flp-3, ins-6, and ins-22. Some peptides were functionally redundant, while others exhibit unique and previously uncharacterized functions. We postulate our rescue-by-feeding approach can elucidate the functional landscape of neuropeptides, identifying the circuits and complex peptidergic pathways that regulate different behavioral and physiological processes.
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