Katja Becker

Glutathione mediated regulation of oligomeric structure and functional activity of Plasmodium falciparumglutathione S-transferase (2007)

Tripathi, Timir, Rahlfs, Stefan, Becker, Katja, Bhakuni, Vinod

Abstract Background In contrast to many other organisms, the malarial parasite Plasmodium falciparum possesses only one typical glutathione S -transferase. This enzyme, Pf GST, cannot be assigned to...

Molekulare Maschinen und Alterung : der humane Redoxstoffwechsel (2007)

Becker, Katja

Oxidativer Stress ist an der Entstehung von degenerativen Erkrankungen, von Infektionskrankheiten sowie von Alterungsprozessen beteiligt. Reaktive und damit potentiell giftige Sauerstoffverbindungen...

The Plasmodium selenoproteome (2006)

Lobanov, Alexey V., Delgado, Cesar, Rahlfs, Stefan, Novoselov, Sergey V., Kryukov, Gregory V., Gromer, Stephan, ...

The use of selenocysteine (Sec) as the 21st amino acid in the genetic code has been described in all three major domains of life. However, within eukaryotes, selenoproteins are only known in animals...

Plasmodium falciparum glutathione S−transferase − Structural and mechanistic studies on ligand binding and enzyme inhibition (2006)

Hiller, Nicole, Fritz−Wolf, Karin, Deponte, Marcel, Wende, Wolfgang, Zimmermann, Herbert, Becker, Katja

Glutathione S−transferase of the malarial parasite Plasmodium falciparum (PfGST) represents a novel class of GST isoenzymes. Since the architecture of the PfGST substrate binding site differs...

Plasmodium falciparum glutathione S−transferase − Structural and mechanistic studies on ligand binding and enzyme inhibition (2006)

Hiller, Nicole, Fritz−Wolf, Karin, Deponte, Marcel, Wende, Wolfgang, Zimmermann, Herbert, Becker, Katja

Glutathione S−transferase of the malarial parasite Plasmodium falciparum (PfGST) represents a novel class of GST isoenzymes. Since the architecture of the PfGST substrate binding site differs...

Intracellular Positioning of Isoforms Explains an Unusually Large Adenylate Kinase Gene Family in the Parasite Trypanosoma brucei. (2005)

Ginger, Michael L., Ngazoa, E. Solange, Pereira, Claudio A., Pullen, Timothy J., Kabiri, Mostafa, Becker, Katja, ...

Adenylate kinases occur classically as cytoplasmic and mitochondrial enzymes, but the expression of seven adenylate kinases in the flagellated protozoan parasite Trypanosoma brucei (order,...

Mechanistic Studies on a Novel, Highly Potent Gold−Phosphole Inhibitor of Human Glutathione Reductase (2005)

Deponte, Marcel, Urig, Sabine, Arscott, L. David, Fritz−Wolf, Karin, Réau, Régis, Herold−Mende, Christel, ...

The homodimeric flavoprotein glutathione reductase (GR) is a central player of cellular redox metabolism, connecting NADPH to the large pool of redox−active thiols. In this work, the inhibition of...

X-ray structure of glutathione S-transferase from the malarial parasite Plasmodium falciparum (2003)

Fritz-Wolf,Karin, Becker,Andreas, Rahlfs,Stefan, Harwaldt,Petra, Schirmer,R. Heiner, Kabsch,Wolfgang, ...

GSTs catalyze the conjugation of glutathione with a wide variety of hydrophobic compounds, generally resulting in nontoxic products that can be readily eliminated. In contrast to many other...

X-ray structure of glutathione S-transferase from the malarial parasite Plasmodium falciparum (2003)

Fritz-Wolf, Karin, Becker, Andreas, Rahlfs, Stefan, Harwaldt, Petra, Schirmer, R. Heiner, Kabsch, Wolfgang, ...

GSTs catalyze the conjugation of glutathione with a wide variety of hydrophobic compounds, generally resulting in nontoxic products that can be readily eliminated. In contrast to many other...

X-ray structure of glutathione S-transferase from the malarial parasite Plasmodium falciparum

Fritz-Wolf, Karin, Becker, Andreas, Rahlfs, Stefan, Harwaldt, Petra, Schirmer, R. Heiner, Kabsch, Wolfgang, ...

GSTs catalyze the conjugation of glutathione with a wide variety of hydrophobic compounds, generally resulting in nontoxic products that can be readily eliminated. In contrast to many other...

The endophytic fungus Piriformospora indica reprograms barley to salt-stress tolerance, disease resistance, and higher yield

Waller, Frank, Achatz, Beate, Baltruschat, Helmut, Fodor, József, Becker, Katja, Fischer, Marina, ...

Disease resistance strategies are powerful approaches to sustainable agriculture because they reduce chemical input into the environment. Recently, Piriformospora indica, a plant-root-colonizing...

In Vitro Assessment of Methylene Blue on Chloroquine-Sensitive and -Resistant Plasmodium falciparum Strains Reveals Synergistic Action with Artemisinins

Akoachere, Monique, Buchholz, Kathrin, Fischer, Elisabeth, Burhenne, Jürgen, Haefeli, Walter E., Schirmer, R. Heiner, ...

Methylene blue (MB) represents a promising antimalarial drug candidate for combination therapies against drug-resistant parasite strains. To support and facilitate the application of MB in future...

The Plasmodium selenoproteome

Lobanov, Alexey V., Delgado, Cesar, Rahlfs, Stefan, Novoselov, Sergey V., Kryukov, Gregory V., Gromer, Stephan, ...

The use of selenocysteine (Sec) as the 21st amino acid in the genetic code has been described in all three major domains of life. However, within eukaryotes, selenoproteins are only known in animals...

X-ray structure of glutathione S-transferase from the malarial parasite Plasmodium falciparum

Fritz-Wolf, Karin, Becker, Andreas, Rahlfs, Stefan, Harwaldt, Petra, Schirmer, R. Heiner, Kabsch, Wolfgang, ...

GSTs catalyze the conjugation of glutathione with a wide variety of hydrophobic compounds, generally resulting in nontoxic products that can be readily eliminated. In contrast to many other...

The endophytic fungus Piriformospora indica reprograms barley to salt-stress tolerance, disease resistance, and higher yield

Waller, Frank, Achatz, Beate, Baltruschat, Helmut, Fodor, József, Becker, Katja, Fischer, Marina, ...

Disease resistance strategies are powerful approaches to sustainable agriculture because they reduce chemical input into the environment. Recently, Piriformospora indica, a plant-root-colonizing...

In Vitro Assessment of Methylene Blue on Chloroquine-Sensitive and -Resistant Plasmodium falciparum Strains Reveals Synergistic Action with Artemisinins

Akoachere, Monique, Buchholz, Kathrin, Fischer, Elisabeth, Burhenne, Jürgen, Haefeli, Walter E., Schirmer, R. Heiner, ...

Methylene blue (MB) represents a promising antimalarial drug candidate for combination therapies against drug-resistant parasite strains. To support and facilitate the application of MB in future...

The Plasmodium selenoproteome

Lobanov, Alexey V., Delgado, Cesar, Rahlfs, Stefan, Novoselov, Sergey V., Kryukov, Gregory V., Gromer, Stephan, ...

The use of selenocysteine (Sec) as the 21st amino acid in the genetic code has been described in all three major domains of life. However, within eukaryotes, selenoproteins are only known in animals...

Plasmodium falciparum glutathione S-transferase—Structural and mechanistic studies on ligand binding and enzyme inhibition

Hiller, Nicole, Fritz-Wolf, Karin, Deponte, Marcel, Wende, Wolfgang, Zimmermann, Herbert, Becker, Katja

Glutathione S-transferase of the malarial parasite Plasmodium falciparum (PfGST) represents a novel class of GST isoenzymes. Since the architecture of the PfGST substrate binding site differs...

Interactions of Methylene Blue with Human Disulfide Reductases and Their Orthologues from Plasmodium falciparum▿

Buchholz, Kathrin, Schirmer, R. Heiner, Eubel, Jana K., Akoachere, Monique B., Dandekar, Thomas, Becker, Katja, ...

Methylene blue (MB) has experienced a renaissance mainly as a component of drug combinations against Plasmodium falciparum malaria. Here, we report biochemically relevant pharmacological data on MB...

Depletion of Plasmodium berghei Plasmoredoxin Reveals a Non-Essential Role for Life Cycle Progression of the Malaria Parasite

Buchholz, Kathrin, Rahlfs, Stefan, Schirmer, R. Heiner, Becker, Katja, Matuschewski, Kai

Proliferation of the pathogenic Plasmodium asexual blood stages in host erythrocytes requires an exquisite capacity to protect the malaria parasite against oxidative stress. This function is achieved...