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The conserved carboxy-terminal region of the ammonia channel AmtB plays a critical role in channel function
- E. Severi, A. Javelle, M. Merrick
- Biology, Medicine
- Molecular membrane biology
- 1 January 2007
The ammonium transport (Amt) proteins are a highly conserved family of integral membrane proteins found in eubacteria, archaea, fungi and plants. Genetic, biochemical and bioinformatic analyses… Expand
Ammonium Sensing in Escherichia coli
- A. Javelle, E. Severi, J. Thornton, M. Merrick
- Biology, Medicine
- Journal of Biological Chemistry
- 5 March 2004
The Amt proteins are high affinity ammonium transporters that are conserved in all domains of life. In bacteria and archaea the Amt structural genes (amtB) are invariably linked to glnK, which… Expand
In vivo functional characterization of the Escherichia coli ammonium channel AmtB: evidence for metabolic coupling of AmtB to glutamine synthetase.
- A. Javelle, G. Thomas, A. Marini, R. Kraemer, M. Merrick
- Biology, Medicine
- The Biochemical journal
- 15 August 2005
The Escherichia coli AmtB protein is member of the ubiquitous Amt family of ammonium transporters. Using a variety of [14C]methylammonium-uptake assays in wild-type E. coli, together with amtB and… Expand
An Unusual Twin-His Arrangement in the Pore of Ammonia Channels Is Essential for Substrate Conductance*
- A. Javelle, D. Lupo, L. Zheng, X. Li, F. Winkler, M. Merrick
- Biology, Medicine
- Journal of Biological Chemistry
- 22 December 2006
Amt proteins constitute a class of ubiquitous integral membrane proteins that mediate movement of ammonium across cell membranes. They are homotrimers, in which each subunit contains a narrow pore… Expand
Transport mechanisms in the ammonium transporter family.
- G. Lamoureux, A. Javelle, S. Baday, S. Wang, S. Bernèche
- Chemistry, Biology
- Transfusion clinique et biologique : journal de…
- 1 September 2010
Ammonium transport is mediated by membrane proteins of the ubiquitous Amt/Rh family. Despite the availability of different X-ray structures that provide many insights on the ammonium permeation… Expand
The Escherichia coli SLC26 homologue YchM (DauA) is a C4‐dicarboxylic acid transporter
- Eleni Karinou, Emma L R Compton, M. Morel, A. Javelle
- Biology, Medicine
- Molecular microbiology
- 1 February 2013
The SLC26/SulP (solute carrier/sulphate transporter) proteins are a ubiquitous superfamily of secondary anion transporters. Prior studies have focused almost exclusively on eukaryotic members and… Expand
Complex formation between AmtB and GlnK: an ancestral role in prokaryotic nitrogen control.
- A. Javelle, M. Merrick
- Biology, Medicine
- Biochemical Society transactions
- 1 February 2005
Ammonium transport proteins belonging to the Amt family are ubiquitous in prokaryotes. In Escherichia coli, the AmtB protein and the associated P(II) signal transduction protein (GlnK) have recently… Expand
Low Resolution Structure of a Bacterial SLC26 Transporter Reveals Dimeric Stoichiometry and Mobile Intracellular Domains*
- Emma L R Compton, Eleni Karinou, J. Naismith, F. Gabel, A. Javelle
- Biology, Medicine
- The Journal of Biological Chemistry
- 9 June 2011
The SLC26/SulP (solute carrier/sulfate transporter) proteins are a superfamily of anion transporters conserved from bacteria to man, of which four have been identified in human diseases. Proteins… Expand
An update on nutrient transport processes in ectomycorrhizas
- M. Chalot, A. Javelle, +5 authors B. Botton
- Biology
- 1 July 2002
Nutrient transport, namely absorption from the soil solution as well as nutrient transfer from fungus to plant and carbon movement from plant to fungus are key features of mycorrhizal symbiosis. This… Expand
The lipid environment determines the activity of the Escherichia coli ammonium transporter AmtB
- Gaëtan Dias Mirandela, Giulia Tamburrino, P. Hoskisson, U. Zachariae, A. Javelle
- Chemistry, Medicine
- FASEB journal : official publication of the…
- 13 September 2018
The movement of ammonium across biologic membranes is a fundamental process in all living organisms and is mediated by the ubiquitous ammonium transporter/methylammonium permease/rhesus protein… Expand