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Article

Toward the mechanism of NH(4) (+) sensitivity mediated by Arabidopsis GDP-mannose pyrophosphorylase.

Plant, cell & environment - 1 May 2011

Kempinski Chase F, Haffar Rawaa, Barth Carina

Abstract excerpt

The ascorbic acid (AA)-deficient Arabidopsis thaliana mutant vtc1-1, which is defective in GDP-mannose pyrophosphorylase (GMPase), exhibits conditional hypersensitivity to ammonium (NH(4) (+) ), a phenomenon that is independent of AA deficiency. As GMPase is important for GDP-mannose biosynthesis, a nucleotide sugar necessary for protein N-glycosylation, it has been thought that GDP-mannose deficiency is...

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PMID: 21332510
DOI: 10.1111/j.1365-3040.2011.02290.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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