Certain peptides are produced independently of ribosomes and non-ribosomal peptide synthase complexes

the verdict

SUPPORTED

the evidence backs this

Recorded sources

3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Certain peptides are indeed synthesized through mechanisms that bypass both ribosomes and traditional non-ribosomal peptide synthase complexes, utilizing alternative pathways such as NRPS-independent synthetases.

The analysis

The retrieved literature (e.g., papers 1, 9, and 10) explicitly discusses ribosome-independent and NRPS-independent (NIS) peptide biosynthesis pathways, confirming that certain peptides are produced without relying on ribosomes or standard NRPS complexes.

Evidence for · 3

Ribosome-independent peptide biosynthesis: the challenge of a unifying nomenclature

Recorded source metadata

Maria Dell, Kyle L. Dunbar, Christian Hertweck. Ribosome-independent peptide biosynthesis: the challenge of a unifying nomenclature. 2022. https://doi.org/10.1039/d1np00019e

Discusses ribosome-independent peptide synthetases and highlights the broader category of non-ribosomal peptide biosynthesis.

Source citation format

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More for · 2

Biosynthesis of novel desferrioxamine derivatives requires unprecedented crosstalk between separate NRPS-independent siderophore pathways

Recorded source metadata

Li Su, Yaouba Souaibou, Laurence Hôtel, Cédric Paris, Kira J. Weissman, Bertrand Aigle. Biosynthesis of novel desferrioxamine derivatives requires unprecedented crosstalk between separate NRPS-independent siderophore pathways. 2023. https://doi.org/10.1101/2023.07.28.551008

Details the biosynthesis of acyl-desferrioxamines via NRPS-independent (NIS) pathways.

Source citation format

Distal peptide elongation by a protease-like ligase and two distinct carrier proteins.

Recorded source metadata

Gude F, Bohne A, Dell M, Franke J, Dunbar KL, Groll M, Hertweck C. Distal peptide elongation by a protease-like ligase and two distinct carrier proteins.. 2026. https://doi.org/10.1016/j.chempr.2025.102740

Demonstrates non-canonical peptide elongation pathways that operate independently of classical non-ribosomal peptide synthetases and ribosomes.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 8501 Aug 2026

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