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Article

An ABC-type, high-affinity urea permease identified in cyanobacteria.

Molecular microbiology - 1 Feb 2002

Valladares Ana, Montesinos María Luz, Herrero Antonia, Flores Enrique

Abstract excerpt

Urea is an important nitrogen source for many microorganisms, but urea active transporters have not been characterized at a molecular level in any bacterium. Cells of Synechocystis sp. PCC 6803 and Anabaena sp. PCC 7120 exhibited the capacity to take up [14C]-urea from low-concentration (<1 microM) urea solutions. The Ks of Anabaena cells for urea was about 0.11 microM, and the observed uptake activity involved...

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Identifiers

PMID: 11929526
DOI: 10.1046/j.1365-2958.2002.02778.x

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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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