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Publications

2020

Koch, J., Lackner, K., Wohlfarter, Y., Sailer, S., Zschocke, J., Werner, E. R., Watschinger, K. & Keller, M. A. Unequivocal mapping of molecular ether lipid species by LC-MS/MS in plasmalogen-deficient mice. Analytical Chemistry (2020) https://doi.org/10.1021/acs.analchem.0c01933

Gonzalez-Franquesa, A., Gama-Perez, P., Kulis, M., Dahdah, N., Moreno-Gomez, S., Latorre-Pellicer, A., Fernández-Ruiz, R., Monelli, E., Samino, S., Miró, J., Oemer, G., Duran, X., Sanchez-Rebordelo, E., Schneeberger, M., Montane, J., Castellano, G., Chapaprieta, V., Prieto, I., Castaño, C., et al. Obesity causes irreversible mitochondria failure in visceral adipose tissue despite successful anti-obesogenic lifestyle-based interventions 2 3 Affiliations. Jose Antonio Enríquez 16, 21 (2020). https://doi.org/10.1101/2020.07.08.194167      

Mayr, L., Grabherr, F., Schwärzler, J., Reitmeier, I., Sommer, F., Gehmacher, T., Niederreiter, L., He, G. W., Ruder, B., Kunz, K. T. R., Tymoszuk, P., Hilbe, R., Haschka, D., Feistritzer, C., Gerner, R. R., Enrich, B., Przysiecki, N., Seifert, M., Keller, M. A., et al. Dietary lipids fuel GPX4-restricted enteritis resembling Crohn’s disease. Nature Communications 11, 1–15 (2020). https://doi.org/10.1038/s41467-020-15646-6

Werner, E. R., Keller, M. A., Sailer, S., Lackner, K., Koch, J., Hermann, M., Coassin, S., Golderer, G., Werner-Felmayer, G., Zoeller, R. A., Hulo, N., Berger, J. & Watschinger, K. The TMEM189 gene encodes plasmanylethanolamine desaturase which introduces the characteristic vinyl ether double bond into plasmalogens. Proceedings of the National Academy of Sciences  201917461 (2020). https://doi.org/10.1073/pnas.1917461117

Michel, M., Dubowy, K.-O., Zlamy, M., Karall, D., Adam, M. G., Entenmann, A., Keller, M. A., Koch, J., Odri Komazec, I., Geiger, R., Salvador, C., Niederwanger, C., Müller, U., Scholl-Bürgi, S. & Laser, K. T. Targeted metabolomic analysis of serum phospholipid and acylcarnitine in the adult Fontan patient with a dominant left ventricle. Therapeutic Advances in Chronic Disease 11, 204062232091603 (2020). https://doi.org/10.1177/2040622320916031

Oemer, G., Koch, J., Wohlfarter, Y., Alam, M. T., Lackner, K., Sailer, S., Neumann, L., Lindner, H. H., Watschinger, K., Haltmeier, M., Werner, E. R., Zschocke, J. & Keller, M. A. Phospholipid Acyl Chain Diversity Controls the Tissue-Specific Assembly of Mitochondrial Cardiolipins. Cell Reports 30, 4281-4291.e4 (2020). https://doi.org/10.1016/j.celrep.2020.02.115

Huber, A., Galgóczy, L., Váradi, G., Holzknecht, J., Kakar, A., Malanovic, N., Leber, R., Koch, J., Keller, M. A., Batta, G., Tóth, G. K. & Marx, F. Two small, cysteine-rich and cationic antifungal proteins from Penicillium chrysogenum: A comparative study of PAF and PAFB. Biochimica et Biophysica Acta - Biomembranes 183246 (2020).https://doi.org/10.1016/j.bbamem.2020.183246

Koch, J., Lackner, K., Wohlfarter, Y., Sailer, S., Zschocke, J., Werner, E. R., Watschinger, K. & Keller, M. A. Unequivocal mapping of molecular ether lipid species by LC-MS/MS in plasmalogen-deficient mice. bioRxiv 2020.04.29.066530 (2020). https://doi.org/10.1101/2020.04.29.066530

Oemer, G., Edenhofer, M.-L., Lackner, K., Leman, G., Lindner, H. H., Dubrac, S., Zschocke, J. & Keller, M. A. Fatty Acyl Availability Modulates Cardiolipin Composition and Alters Mitochondrial Function in HeLa Cells. bioRxiv 2020.02.10.937433 (2020). https://doi.org/10.1101/2020.02.10.937433

2019

Huber, A., Oemer, G., Malanovic, N., Lohner, K., Kovács, L., Salvenmoser, W., Zschocke, J., Keller, M. A. & Marx, F. Membrane Sphingolipids Regulate the Fitness and Antifungal Protein Susceptibility of Neurospora crassa. Frontiers in Microbiology 10, 605 (2019). https://doi.org/10.3389/fmicb.2019.00605

Keller, M. A., Kampjut, D., Harrison, S. A., Driscoll, P. C. & Ralser, M. Reply to ‘Do sulfate radicals really enable a non-enzymatic Krebs cycle precursor?’ Nature ecology & evolution 3, 139–140 (2019). https://doi.org/10.1038/s41559-018-0792-z

Weustenfeld, M., Eidelpes, R., Schmuth, M., Rizzo, W. B., Zschocke, J. & Keller, M. A. Genotype and phenotype variability in Sjögren-Larsson syndrome. Human Mutation 40, 177–186 (2019). https://doi.org/10.1002/humu.23679

Gnaiger, E., Aasander Frostner, E., Abdul Karim, N., Abumrad, N., Acuna-Castroviejo, D., Adiele, R., Ahn, B., Ali, S., Alton, L., Alves, M., Amati, F., Amoedo, N., Andreadou, I., Arago, M., Aral, C., Arandarcikaite, O., Armand, A., Arnould, T., Avram, V., et al. Mitochondrial respiratory states and rate. (2019). https://doi.org/10.26124/MITOFIT:190001.V2

2018

Zelezniak, A., Vowinckel, J., Capuano, F., Messner, C. B., Demichev, V., Polowsky, N., Mülleder, M., Kamrad, S., Klaus, B.,Keller, M. A. & Ralser, M. Machine Learning Predicts the Yeast Metabolome from the Quantitative Proteome of Kinase Knockouts. Cell Systems 7, 269-283.e6 (2018). https://doi.org/10.1016/j.cels.2018.08.001

Keller, M. A., Driscoll, P. C., Messner, C. B. & Ralser, M. 1H-NMR as implemented in several origin of life studies artificially implies the absence of metabolism-like non-enzymatic reactions by being signal-suppressed. Wellcome Open Research 2, 52 (2018). https://doi.org/10.12688/wellcomeopenres.12103.2

Oemer, G., Lackner, K., Muigg, K., Krumschnabel, G., Watschinger, K., Sailer, S., Lindner, H., Gnaiger, E., Wortmann, S. B., Werner, E. R., Zschocke, J. & Keller, M. A. Molecular structural diversity of mitochondrial cardiolipins. Proceedings of the National Academy of Sciences of the United States of America 115, 4158–4163 (2018). https://doi.org/10.1073/pnas.1719407115

Werner, E. R., Keller, M. A., Sailer, S., Seppi, D., Golderer, G., Werner-Felmayer, G., Zoeller, R. A. & Watschinger, K. A novel assay for the introduction of the vinyl ether double bond into plasmalogens using pyrene-labeled substrates. Journal of Lipid Research 59, 901–909 (2018). https://doi.org/10.1194/jlr.D080283

Watschinger, K., Keller, M. A., Golderer, G., Coassin, S., Zschocke, J. & Werner, E. R. Biochemical characterization of AGMO variants implicated in relapses in visceral leishmaniasis. Journal of Infectious Diseases 217, 1846–1847 (2018). https://doi.org/10.1093/infdis/jiy090

2017

Naschberger, A., Orry, A., Lechner, S., Bowler, M. W., Nurizzo, D., Novokmet, M., Keller, M. A., Oemer, G., Seppi, D., Haslbeck, M., Pansi, K., Dieplinger, H. & Rupp, B. Structural Evidence for a Role of the Multi-functional Human Glycoprotein Afamin in Wnt Transport. Structure 25, 1907-1915.e5 (2017). https://doi.org/10.1016/j.str.2017.10.006

Alam, M. T., Olin-Sandoval, V., Stincone, A., Keller, M. A., Zelezniak, A., Luisi, B. F. & Ralser, M. The self-inhibitory nature of metabolic networks and its alleviation through compartmentalization. Nature Communications 8, (2017). https://doi.org/10.1038/ncomms16018

Keller, M. A., Kampjut, D., Harrison, S. A. & Ralser, M. Sulfate radicals enable a non-enzymatic Krebs cycle precursor. Nature Ecology and Evolution 1, 83–83 (2017). https://doi.org/10.1038/s41559-017-0083

2016

Sheridan, K. J., Lechner, B. E., Keeffe, G. O., Keller, M. A., Werner, E. R., Lindner, H., Jones, G. W., Haas, H. & Doyle, S. Ergothioneine Biosynthesis and Functionality in the Opportunistic Fungal Pathogen, Aspergillus fumigatus. Scientific Reports 6, 35306 (2016). https://doi.org/10.1038/srep35306

Keller, M. A., Zylstra, A., Castro, C., Turchyn, A. V, Griffin, J. L. & Ralser, M. Conditional iron and pH-dependent activity of a non-enzymatic glycolysis and pentose phosphate pathway. Science Advances 2 (2016). https://doi.org/10.1126/sciadv.1501235

Paglia, G., Stocchero, M., Cacciatore, S., Lai, S., Angel, P., Alam, M. T., Keller, M., Ralser, M. & Astarita, G. Unbiased Metabolomic Investigation of Alzheimer’s Disease Brain Points to Dysregulation of Mitochondrial Aspartate Metabolism. Journal of Proteome Research 15, 608–618 (2016). https://doi.org/10.1021/acs.jproteome.5b01020

Campbell, K., Vowinckel, J., Keller, M. A. & Ralser, M. Methionine Metabolism Alters Oxidative Stress Resistance via the Pentose Phosphate Pathway. Antioxidants and Redox Signaling 24, 543–547 (2016). https://doi.org/10.1089/ars.2015.6516

2015

Campbell, K., Vowinckel, J., Mülleder, M., Malmsheimer, S., Lawrence, N., Calvani, E., Miller-Fleming, L., Alam, M. T., Christen, S., Keller, M. A. & Ralser, M. Self-establishing communities enable cooperative metabolite exchange in a eukaryote. eLife 4, (2015). https://doi.org/10.7554/eLife.09943

Piedrafita, G., Keller, M. A. & Ralser, M. The impact of non-enzymatic reactions and enzyme promiscuity on cellular metabolism during (Oxidative) stress conditions. Biomolecules 5, 2101–2122 (2015). https://doi.org/10.3390/biom5032101

Jack, C. V, Cruz, C., Hull, R. M., Keller, M. A., Ralser, M. & Houseley, J. Regulation of ribosomal DNA amplification by the TOR pathway. Proceedings of the National Academy of Sciences 112, 9674–9679 (2015). https://doi.org/10.1073/pnas.1505015112

Watschinger, K., Keller, M. A., McNeill, E., Alam, M. T., Lai, S., Sailer, S., Rauch, V., Patel, J., Hermetter, A., Golderer, G., Geley, S., Werner-Felmayer, G., Plumb, R. S., Astarita, G., Ralser, M., Channon, K. M. & Werner, E. R. Tetrahydrobiopterin and alkylglycerol monooxygenase substantially alter the murine macrophage lipidome. Proc. Natl. Acad. Sci. U. S. A. 112,2431–2436 (2015). https://doi.org/10.1073/pnas.1414887112

Michel, S., Keller, M. A., Wamelink, M. M. C. & Ralser, M. A haploproficient interaction of the transaldolase paralogue NQM1 with the transcription factor VHR1 affects stationary phase survival and oxidative stress resistance. BMC Genetics 16, (2015). https://doi.org/10.1186/s12863-015-0171-6

Keller, M. A., Piedrafita, G. & Ralser, M. The widespread role of non-enzymatic reactions in cellular metabolism. Current Opinion in Biotechnology 34, 153–161 (2015). https://doi.org/10.1016/j.copbio.2014.12.020

Timm, K. N., Hartl, J., Keller, M. A., Hu, D. E., Kettunen, M. I., Rodrigues, T. B., Ralser, M. & Brindle, K. M. Hyperpolarized [U-2H, U-13C]Glucose reports on glycolytic and pentose phosphate pathway activity in EL4 tumors and glycolytic activity in yeast cells. Magnetic Resonance in Medicine 74, 1543–1547 (2015). https://doi.org/10.1002/mrm.25561

Stincone, A., Prigione, A., Cramer, T., Wamelink, M. M. C., Campbell, K., Cheung, E., Olin-Sandoval, V., Grüning, N. M., Krüger, A., Tauqeer Alam, M., Keller, M. A., Breitenbach, M., Brindle, K. M., Rabinowitz, J. D. & Ralser, M. The return of metabolism: Biochemistry and physiology of the pentose phosphate pathway. Biological Reviews 90, 927–963 (2015).https://doi.org/10.1111/brv.12140

2014

Keller, M. A., Zander, U., Fuchs, J. E., Kreutz, C., Watschinger, K., Mueller, T., Golderer, G., Liedl, K. R., Ralser, M., Kräutler, B., Werner, E. R. & Marquez, J. A. A gatekeeper helix determines the substrate specificity of Sjögren-Larsson Syndrome enzyme fatty aldehyde dehydrogenase. Nature communications 5, 4439 (2014). https://doi.org/10.1038/ncomms5439

Keller, M. A., Turchyn, A. V. & Ralser, M. Non-enzymatic glycolysis and pentose phosphate pathway-like reactions in a plausible Archean ocean. Mol. Syst. Biol. 10, 725 (2014). https://doi.org/10.1002/msb.20145228

Grüning, N. M., Du, D., Keller, M. A., Luisi, B. F. & Ralser, M. Inhibition of triosephosphate isomerase by phosphoenolpyruvate in the feedback-regulation of glycolysis. Open Biology 4, 130232 (2014).https://doi.org/10.1098/rsob.130232

 2013

Watschinger, K., Fuchs, J. E., Yarov-Yarovoy, V., Keller, M. A., Golderer, G., Hermetter, A., Werner-Felmayer, G., Hulo, N. & Werner, E. R. First insights into structure-function relationships of alkylglycerol monooxygenase. Pteridines 24, 99–103 (2013). https://doi.org/10.1515/pterid-2013-0007

Keller, M. A., Watschinger, K., Golderer, G., Werner-Felmayer, G. & Werner, E. R. Fatty aldehyde dehydrogenase, the enzyme downstream of tetrahydrobiopterin- dependent alkylglycerol monooxygenase. Pteridines 24, 105–109 (2013). https://doi.org/10.1515/pterid-2013-0004

Mayer, M., Keller, M. A., Watschinger, K., Werner-Felmayer, G., Werner, E. R. & Golderer, G. Expression of full-length human alkylglycerol monooxygenase and fragments in Escherichia coli. Pteridines 24, 111–115 (2013). https://doi.org/10.1515/pterid-2013-0014

2009-2012

Keller, M. A., Watschinger, K., Lange, K., Golderer, G., Werner-Felmayer, G., Hermetter, A., Wanders, R. J. A. & Werner, E. R. Studying fatty aldehyde metabolism in living cells with pyrene-labeled compounds. Journal of Lipid Research 53, 1410–1416 (2012). https://doi.org/10.1194/jlr.D025650

Watschinger K., Fuchs J.E., Yarov-Yarovoy V., Keller M.A., Golderer G., Hermetter A., Werner-Felmayer G., Hulo N., Werner E.R. Catalytic residues and a predicted structure of tetrahydrobiopterin-dependent alkylglycerol monooxygenase. Biochem J. (2012). 443(1): 279-86.

Watschinger K., Keller M.A., Golderer G., Hermann M., Maglione M., Sarg B., Lindner H., Hermetter A., Werner-Felmayer G., Konrat R., Hulo N., Werner E.R. Identification of the gene encoding alkylglycerol monooxygenase defines a third class of tetrahydrobiopterin-dependent enzymes. Proc. Natl. Acad. Sci. USA. (2010) 107 (31): 13672-13677.

Keller M.A., Watschinger K., Golderer G., Maglione M., Sarg B., Lindner H.H., Terrinoni A., Beretta M., Mayer B., Werner-Felmayer G., Werner E.R. Monitoring of Fatty Aldehyde Dehydrogenase by Pyrenedecanal. J. Lipid Res. (2010) 51 (6):1554-9.

Keller M.A., Watschinger K., Golderer G., Maglione M., Werner-Felmayer G., Werner E.R. Role of Fatty Aldehyde Dehydrogenase in Ether Lipid Degradation Pathways. Pteridines (2009) 20(Special issue): 59-63.

Watschinger K., Keller M.A., Golderer G., Hermetter H., Maglione M., Prast H., Werner-Felmayer G., Werner E.R. Alkylglycerol monooxygenase: Properties of an orphan enzyme – an update. Pteridines (2009) 20(Special issue): 55-58.

Werner E.R., Hulo N., Watschinger K., Keller M.A., Golderer G., Werner-Felmayer G. Alkylglycerol monooxygenase candidate genes - is there a common protein motif for tetrahydrobiopterin interaction?. Pteridines (2009) 20(Special issue): 51-54.

Watschinger K., Keller M.A., Hermetter A., Golderer G., Werner-Felmayer G., Werner E.R. Glyceryl ether monooxygenase resembles aromatic amino acid hydroxylases in metal ion and tetrahydrobiopterin dependence. Biol Chem. (2009) 390(1):3-10.