Research Topics
Species | Eric BeitzSummaryCountry: Germany Publications
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Publications
Adenylyl cyclase type 7 is the predominant isoform in the bovine retinal pigment epitheliumE Beitz
Institute of Pharmacy, University of Tubingen, Germany
Acta Anat (Basel) 162:157-62. 1998..We cloned AC type 7 from a cDNA library established with fresh bovine RPE, expressed this isoform in eukaryotic cells and characterized some of its properties...
Aquaporin water and solute channels from malaria parasites and other pathogenic protozoaEric Beitz
Department of Pharmaceutical Chemistry, , Auf der Morgenstelle 8, , Germany
ChemMedChem 1:587-92. 2006
Subfamily logos: visualization of sequence deviations at alignment positions with high information contentEric Beitz
Dept of Pharmaceutical Chemistry, University of Tubingen, Morgenstelle 8, 72076 Tubingen, Germany
BMC Bioinformatics 7:313. 2006..Interesting residues at highly conserved positions can then be mutated and experimentally analyzed. However, identification of such sites is tedious because automated approaches are scarce...
Point mutations in the aromatic/arginine region in aquaporin 1 allow passage of urea, glycerol, ammonia, and protonsEric Beitz
Department of Pharmaceutical Biochemistry, University of Tubingen, Morgenstelle 8, D 72076 Tubingen, Germany
Proc Natl Acad Sci U S A 103:269-74. 2006..The data indicate that the ar/R constriction is a major checkpoint for solute permeability, and that the exquisite electrostatic proton barrier in AQPs comprises both the NPA constriction as well as the ar/R constriction...
Molecular dissection of water and glycerol permeability of the aquaglyceroporin from Plasmodium falciparum by mutational analysisEric Beitz
Department of Pharmaceutical Biochemistry, University of Tubingen, Morgenstelle 8, D 72076 Tubingen, Germany
Proc Natl Acad Sci U S A 101:1153-8. 2004..This unequivocally proves the proximity of the couple W124/E125 close to the pore mouth. We conclude that in the Plasmodium aquaglyceroporin the electrostatic environment at the extracellular pore entry regulates water permeability...
Aquaporin-mediated fluid regulation in the inner earEric Beitz
Department of Pharmaceutical Biochemistry, School of Pharmacy, University of Tubingen, 72076 Tubingen, Germany
Cell Mol Neurobiol 23:315-29. 2003..6. Further, a working model is presented of how the endolymphatic sac may contribute to inner ear fluid regulation...
TEXshade: shading and labeling of multiple sequence alignments using LATEX2 epsilonE Beitz
Faculty of Chemistry and Pharmacy, University of Tubingen, Germany
Bioinformatics 16:135-9. 2000..Hence, a flexible alignment shading package was designed for both calculated and manual shading, using the macro language of the scientific typesetting software LATEX2 epsilon...
T(E)Xtopo: shaded membrane protein topology plots in LAT(E)X2epsilonE Beitz
Faculty of Chemistry and Pharmacy, University of Tubingen, Morgenstelle 8, 72076 Tubingen, Germany
Bioinformatics 16:1050-1. 2000..AVAILABILITY: The T(E)Xtopo macro package and a full on-line documentation are freely available at http://homepages.uni-tuebingen.de/beitz/ CONTACT: eric.beitz@uni-tuebingen.de..
A single aquaporin gene encodes a water/glycerol/urea facilitator in Toxoplasma gondii with similarity to plant tonoplast intrinsic proteinsSlavica Pavlovic-Djuranovic
Department of Pharmaceutical Chemistry, , Morgenstelle 8, D-72076, , Germany
FEBS Lett 555:500-4. 2003..Furthermore, we identified hydroxyurea, an antineoplastic agent with inhibitory effects on parasite proliferation, as a permeant of this channel...
Cloning, heterologous expression, and characterization of three aquaglyceroporins from Trypanosoma bruceiNestor L Uzcategui
Biochemical Institute, Department of Pharmaceutical Biochemistry, and Institute of Physiology, ,
J Biol Chem 279:42669-76. 2004..brucei. This function and especially the so far not investigated transport of dihydroxyacetone may be pivotal for the survival of the parasite survival under non-aerobic or osmotic stress conditions...
Dihydroxyacetone and methylglyoxal as permeants of the Plasmodium aquaglyceroporin inhibit parasite proliferationSlavica Pavlovic-Djuranovic
Department of Pharmaceutical Biochemistry, , Morgenstelle 8, , Germany
Biochim Biophys Acta 1758:1012-7. 2006..5 mM for 20 h. Treatment with 2.5 mM dihydroxyacetone, however, abolished PfGAPDH activity within 6 h. Aquaglyceroporin permeability for glycolytic metabolites may thus be of physiological significance...
Aquaporins from pathogenic protozoan parasites: structure, function and potential for chemotherapyEric Beitz
Department of Pharmaceutical Chemistry, University of Tubingen, Morgenstelle 8, D 72076 Tubingen, Germany
Biol Cell 97:373-83. 2005..Furthermore, possible physiological roles in osmotic protection and metabolism are discussed. Finally, the potential of protozoan aquaporins for use as a target or entry pathway for chemotherapeutic compounds is reviewed...
The aquaporin gene family of the ectomycorrhizal fungus Laccaria bicolor: lessons for symbiotic functionsSandra Dietz
Interfaculty Institute of Microbiology and Infection Medicine, Physiological Ecology of Plants, University of Tubingen, Tubingen, Germany
New Phytol 190:927-40. 2011..This indicates that these proteins are an integral part of ectomycorrhizal fungus-based plant nitrogen nutrition in symbiosis...
A single, bi-functional aquaglyceroporin in blood-stage Plasmodium falciparum malaria parasitesMartin Hansen
Department of Pharmaceutical Biochemistry, University of Tubingen, Morgenstelle 8, Tubingen D 72076, Germany
J Biol Chem 277:4874-82. 2002..Its unique bi-functionality indicates functions in the protection from osmotic stress and efficiently provides access to the serum glycerol pool for the use in ATP generation and primarily in the phospholipid synthesis...
Jammed traffic impedes parasite growthEric Beitz
Department of Pharmaceutical Chemistry, University of Kiel, Gutenbergstrasse 76, D-24118 Kiel, Germany
Proc Natl Acad Sci U S A 104:13855-6. 2007
Limited genetic diversity of the Plasmodium falciparum aquaglyceroporin geneNoemi Bahamontes Rosa
University of Tubingen, Department of Parasitology, Tubingen, Germany
Mol Biochem Parasitol 156:255-7. 2007..The lack of functionally variability suggests an invariable protein core, which may restrict parasite populations from evading therapeutic pressure if PfAQP inhibitors will be found...
N(delta)-Methylated L-arginine derivatives and their effects on the nitric oxide generating systemJürke Kotthaus
Department of Pharmaceutical Chemistry, Pharmaceutical Institute, Christian Albrechts University of Kiel, Gutenbergstr 76 78, D 24118 Kiel, Germany
Bioorg Med Chem 16:2305-12. 2008..This hydroxylated intermediate, however, was detected to be a potent inhibitor of bovine liver arginase with a K(i) of 17.1+/-2.2 microM...
Determinants of AQP6 trafficking to intracellular sites versus the plasma membrane in transfected mammalian cellsEric Beitz
Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
Biol Cell 98:101-9. 2006..Moreover, our studies provide an approach for future identification of proteins involved in vesicle sorting in the acid-secreting type-A intercalated cells...
Characterization of aquaporin-6 as a nitrate channel in mammalian cells. Requirement of pore-lining residue threonine 63Masahiro Ikeda
Departments of Physiology, Biological Chemistry, Medicine, and Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205
J Biol Chem 277:39873-9. 2002....
Ammonia permeability of the aquaglyceroporins from Plasmodium falciparum, Toxoplasma gondii and Trypansoma bruceiThomas Zeuthen
Nordic Centre for Water Imbalance Related Disorders, Department of Medical Physiology, The Panum Institute, University of Copenhagen, DK-2200 Copenhagen N, Denmark
Mol Microbiol 61:1598-608. 2006..Ammonia permeability was similarly established for the aquaglyceroporins from Toxoplasma gondii and Trypanosoma brucei. Apparently, these aquaglyceroporins are important for the release of ammonia derived from amino acid breakdown...
Microwave-assisted ring opening of epoxides: a general route to the synthesis of 1-aminopropan-2-ols with anti malaria parasite activitiesAelig Robin
Manchester Interdisciplinary Biocentre MIB, The University of Manchester, 131 Princess Street, Manchester M1 7ND, UK
J Med Chem 50:4243-9. 2007..Most of the compounds showed micromolar potency against malaria, with seven of them having IC50 values between 1 and 10 microM against both Plasmodium falciparum strains...
A yeast-based phenotypic screen for aquaporin inhibitorsBinghua Wu
Pharmaceutical Chemistry, University of Kiel, Gutenbergstrasse 76, Kiel, Germany
Pflugers Arch 456:717-20. 2008..Specific inhibition of the aquaporin directly correlates to reduced cell proliferation...
