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Article

Apparent genetic redundancy facilitates ecological plasticity for nitrate transport.

The EMBO journal - 15 Nov 2001

Unkles S E, Zhou D, Siddiqi M Y, Kinghorn J R, Glass A D

Abstract excerpt

Aspergillus nidulans possesses two high-affinity nitrate transporters, encoded by the nrtA and the nrtB genes. Mutants expressing either gene grew normally on 1-10 mM nitrate as sole nitrogen source, whereas the double mutant failed to grow on nitrate concentrations up to 200 mM. These genes appear to be regulated coordinately in all growth conditions, growth stages and regulatory genetic backgrounds studied....

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Identifiers

PMID: 11707396
DOI: 10.1093/emboj/20.22.6246
PMCID: PMC125727

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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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