First-pass extracted concept

phosphoinositides as spatial signaling molecules

Candidate: concept label1 source documents4 linked claims

Jump to explainers Jump to evidence Jump to sources Jump to claims

Live refresh every 5sNext refresh in 5s

Extracted Explainers

What the tool is doing

This concept reframes phosphoinositides as molecules whose primary signaling meaning is tied to where they are located in the cell.

Source 1DOI PubMed

What problem it solves

It provides a unifying interpretation for why different phosphoinositide species mark different membrane compartments.

Source 1DOI PubMed

Evidence Snippets

Together, these patterns reveal PPIn as spatial rather than purely temporal signaling molecules-an ATP-derived currency maintaining the ordered heterogeneity of eukaryotic membranes.

Evidence 1Source 1DOI PubMedprovenance

Supporting Sources

Source 1primary paper2026MEDDOI PubMed

1 evidence snippet 4 linked claims Claim 1 Claim 2 Claim 3

Linked Claims

Claim 1conceptual modelsupports2026Source 1DOI PubMed

Phosphoinositides function as spatial rather than purely temporal signaling molecules that maintain ordered heterogeneity of eukaryotic membranes.

Claim 2subcellular localizationsupports2026Source 1DOI PubMed

PI(3,5)P2 marks specialized late endosomal compartments.

Claim 3subcellular localizationsupports2026Source 1DOI PubMed

PI(4,5)P2 and PIP3 signaling remain largely confined to the plasma membrane.

Claim 4subcellular localizationsupports2026Source 1DOI PubMed

PI4P and PI3P occupy distinct but complementary domains of the Golgi and endosomal systems.