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Literature DB >> 9573171

Functional similarity between archaeal and bacterial CorA magnesium transporters.

R L Smith¹, E Gottlieb, L M Kucharski, M E Maguire.

Abstract

The constitutively expressed CorA Mg2+ transporter is the major Mg2+ influx system of Salmonella typhimurium and Escherichia coli. Genomic sequence data indicated the presence of a homolog in the archaeal organism Methanococcus jannaschii. The putative M. jannaschii CorA was expressed in an Mg2+-transport-deficient strain of S. typhimurium to determine its functional characteristics. The archaeal CorA homolog is a functional Mg2+ uptake system when expressed in S. typhimurium and has properties which are highly similar to those of the normal CorA transporter of S. typhimurium despite having a low level of sequence identity with the protein and being expressed in a lipid membrane of quite different composition than normal. This implies that the overall function of the proteins is the same and further suggests that their structures are very similar.

Entities: Chemical Disease Gene Species

Mesh：

Substances：

Year: 1998 PMID： 9573171 PMCID： PMC107238 DOI： 10.1128/JB.180.10.2788-2791.1998

Source DB: PubMed Journal: J Bacteriol ISSN： 0021-9193 Impact factor: 3.490

14 in total

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Journal: J Biol Chem Date: 1971-05-10 Impact factor: 5.157

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Journal: J Bacteriol Date: 1989-09 Impact factor: 3.490

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Journal: Nature Date: 1997-11-27 Impact factor: 49.962

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Journal: J Bacteriol Date: 1989-09 Impact factor: 3.490

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Journal: Proc Natl Acad Sci U S A Date: 1969-03 Impact factor: 11.205

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Journal: Mol Microbiol Date: 1991-11 Impact factor: 3.501

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Journal: J Biol Chem Date: 1993-07-05 Impact factor: 5.157

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Journal: J Bacteriol Date: 1974-03 Impact factor: 3.490

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Authors: M D Snavely; C G Miller; M E Maguire
Journal: J Biol Chem Date: 1991-01-15 Impact factor: 5.157

20 in total

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Authors: L Li; A F Tutone; R S Drummond; R C Gardner; S Luan
Journal: Plant Cell Date: 2001-12 Impact factor: 11.277

2. Transport of magnesium and other divalent cations: evolution of the 2-TM-GxN proteins in the MIT superfamily.

Authors: Volker Knoop; Milena Groth-Malonek; Michael Gebert; Karolin Eifler; Katrin Weyand
Journal: Mol Genet Genomics Date: 2005-10-20 Impact factor: 3.291

3. Complete sequences of four plasmids of Lactococcus lactis subsp. cremoris SK11 reveal extensive adaptation to the dairy environment.

Authors: Roland J Siezen; Bernadet Renckens; Iris van Swam; Sander Peters; Richard van Kranenburg; Michiel Kleerebezem; Willem M de Vos
Journal: Appl Environ Microbiol Date: 2005-12 Impact factor: 4.792

4. Influence of a putative ECF sigma factor on expression of the major outer membrane protein, OprF, in Pseudomonas aeruginosa and Pseudomonas fluorescens.

Authors: F S Brinkman; G Schoofs; R E Hancock; R De Mot
Journal: J Bacteriol Date: 1999-08 Impact factor: 3.490