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Article

Initiation of cytosolic plant purine nucleotide catabolism involves a monospecific xanthosine monophosphate phosphatase.

Nature communications - 25 Nov 2021

Heinemann Katharina J, Yang Sun-Young, Straube Henryk, Medina-Escobar Nieves, Varbanova-Herde Marina, Herde Marco, Rhee Sangkee, Witte Claus-Peter

Abstract excerpt

In plants, guanosine monophosphate (GMP) is synthesized from adenosine monophosphate via inosine monophosphate and xanthosine monophosphate (XMP) in the cytosol. It has been shown recently that the catabolic route for adenylate-derived nucleotides bifurcates at XMP from this biosynthetic route. Dephosphorylation of XMP and GMP by as yet unknown phosphatases can initiate cytosolic purine nucleotide catabolism....

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Identifiers

PMID: 34824243
DOI: 10.1038/s41467-021-27152-4
PMCID: PMC8616923

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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