Journal article
Characterization of the Rhizobium (Sinorhizobium) meliloti high- and low-affinity phosphate uptake systems
Abstract
Genetic studies have suggested that Rhizobium (Sinorhizobium) meliloti contains two distinct phosphate (Pi) transport systems, encoded by the phoCDET genes and the orfA-pit genes, respectively. Here we present data which show that the ABC-type PhoCDET system has a high affinity for Pi (Km, 0.2 microM) and that Pi uptake by this system is severely inhibited by phosphonates. This high-affinity uptake system was induced under Pi-limiting …
Authors
Voegele RT; Bardin S; Finan TM
Journal
Journal of Bacteriology, Vol. 179, No. 23, pp. 7226–7232
Publisher
American Society for Microbiology
Publication Date
December 1997
DOI
10.1128/jb.179.23.7226-7232.1997
ISSN
0021-9193