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Arch Microbiol. 1984 Oct;139(2-3):245-7.

Some properties of a Klebsiella pneumoniae ammonium transport negative mutant (Amt-).

Abstract

The main property of an Amt- (ammonium transport negative) mutant of Klebsiella pneumoniae is its inability to accumulate NH4+ intracellularly. When growing on nitrogen sources other than NH4+, the mutant constantly looses NH3 by diffusion. This loss results in poor growth. The NH3 excretion suggests the existence of a futile cycle (NH3 loss/NH4+ reabsorption) in the wild type and possibly other bacterial strains, which do not constantly excrete NH3.

PMID:
6393890
DOI:
10.1007/bf00402008
[Indexed for MEDLINE]

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