FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Karl Forchhammer

Research Profile

Chemicals & Drugs

Living Beings

Physiology

Phenomena

Co-author Network

Publications

TOP 3
Ksenia Fedorova; Olga Ilinskaja; Airat Kayumov; Kathrin Woyda; Karl Forchhammer
Transcription factor TnrA inhibits the biosynthetic activity of glutamine synthetase in Bacillus subtilis.
Vasuki Ranjani Chellamuthu; Vikram Alva; Karl Forchhammer
From cyanobacteria to plants: conservation of PII functions during plastid evolution.
Elena Ermilova; Oleksandra Fokina; Tatyana Lapina; Ekaterina Minaeva; Zhanneta Zalutskaya; Karl Forchhammer
PII signal transduction protein in Chlamydomonas reinhardtii: localization and expression pattern.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Karl Forchhammer (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2013: Ksenia Fedorova; Olga Ilinskaja; Airat Kayumov; Kathrin Woyda; Karl Forchhammer
Transcription factor TnrA inhibits the biosynthetic activity of glutamine synthetase in Bacillus subtilis.
FEBS letters 2013;587(9):1293-8.
2013: Vasuki Ranjani Chellamuthu; Vikram Alva; Karl Forchhammer
From cyanobacteria to plants: conservation of PII functions during plastid evolution.
Planta 2013;237(2):451-62.
2013: Elena Ermilova; Oleksandra Fokina; Tatyana Lapina; Ekaterina Minaeva; Zhanneta Zalutskaya; Karl Forchhammer
PII signal transduction protein in Chlamydomonas reinhardtii: localization and expression pattern.
Protist 2013;164(1):49-59.
2013: Jiyong Su; Karl Forchhammer
Determinants for substrate specificity of the bacterial PP2C protein phosphatase tPphA from Thermosynechococcus elongatus.
The FEBS journal 2013;280(2):694-707.
2012: Susanne Berendt; Karl Forchhammer; Josef Lehner; Tobias Rasse; Yao Vincent Zhang; Iris Maldener
Cell wall amidase AmiC1 is required for cellular communication and heterocyst development in the cyanobacterium Anabaena PCC 7120 but not for filament integrity.
Journal of bacteriology 2012;194(19):5218-27.
2012: Kornelius Zeth; Oleksandra Fokina; Karl Forchhammer
An engineered PII protein variant that senses a novel ligand: atomic resolution structure of the complex with citrate.
Acta crystallographica. Section D, Biological crystallography 2012;68(Pt 8):901-8.
2012: Jiyong Su; Karl Forchhammer
The Role of Arg13 in Protein Phosphatase M tPphA from Thermosynechococcus elongatus.
Enzyme research 2012;2012():272706.
2011: Oleksandra Fokina; Christina Herrmann; Karl Forchhammer
Signal-transduction protein P(II) from Synechococcus elongatus PCC 7942 senses low adenylate energy charge in vitro.
The Biochemical journal 2011;440(1):147-56.
2011: Peter Staron; Karl Forchhammer; Iris Maldener
Novel ATP-driven pathway of glycolipid export involving TolC protein.
The Journal of biological chemistry 2011;286(44):38202-10.
2011: Airat Kayumov; Annette Heinrich; Kseniya Fedorova; Olga Ilinskaya; Karl Forchhammer
Interaction of the general transcription factor TnrA with the PII-like protein GlnK and glutamine synthetase in Bacillus subtilis.
The FEBS journal 2011;278(10):1779-89.
2011: Jiyong Su; Christine Schlicker; Karl Forchhammer
A third metal is required for catalytic activity of the signal-transducing protein phosphatase M tPphA.
The Journal of biological chemistry 2011;286(15):13481-8.
2011: Doreen Schwarz; Anke Nodop; Jan Huege; Stephanie Purfürst; Karl Forchhammer; Klaus-Peter Michel; Hermann Bauwe; Joachim Kopka; Martin Hagemann
Metabolic and transcriptomic phenotyping of inorganic carbon acclimation in the Cyanobacterium Synechococcus elongatus PCC 7942.
Plant physiology 2011;155(4):1640-55.
2011: Karim Boumediene Laichoubi; Sabine Beez; Javier Espinosa; Karl Forchhammer; Asunción Contreras
The nitrogen interaction network in Synechococcus WH5701, a cyanobacterium with two PipX and two P(II)-like proteins.
Microbiology (Reading, England) 2011;157(Pt 4):1220-8.
2011: Josef Lehner; Yao Zhang; Susanne Berendt; Tobias M Rasse; Karl Forchhammer; Iris Maldener
The morphogene AmiC2 is pivotal for multicellular development in the cyanobacterium Nostoc punctiforme.
Molecular microbiology 2011;79(6):1655-69.
2010: Javier Espinosa; Thomas Brunner; Nicole Fiedler; Karl Forchhammer; Alicia M Muro-Pastor; Iris Maldener
DevT (Alr4674), resembling a Ser/Thr protein phosphatase, is essential for heterocyst function in the cyanobacterium Anabaena sp. PCC 7120.
Microbiology (Reading, England) 2010;156(Pt 12):3544-55.
2010: Oleksandra Fokina; Vasuki-Ranjani Chellamuthu; Karl Forchhammer; Kornelius Zeth
Mechanism of 2-oxoglutarate signaling by the Synechococcus elongatus PII signal transduction protein.
Proceedings of the National Academy of Sciences of the United States of America 2010;107(46):19760-5.
2010: Maximilian Schlebusch; Karl Forchhammer
Requirement of the nitrogen starvation-induced protein Sll0783 for polyhydroxybutyrate accumulation in Synechocystis sp. strain PCC 6803.
Applied and environmental microbiology 2010;76(18):6101-7.
2010: José L Llácer; Javier Espinosa; Miguel A Castells; Asunción Contreras; Karl Forchhammer; Vicente Rubio
Structural basis for the regulation of NtcA-dependent transcription by proteins PipX and PII.
Proceedings of the National Academy of Sciences of the United States of America 2010;107(35):15397-402.
2010: Oleksandra Fokina; Vasuki-Ranjani Chellamuthu; Kornelius Zeth; Karl Forchhammer
A novel signal transduction protein P(II) variant from Synechococcus elongatus PCC 7942 indicates a two-step process for NAGK-P(II) complex formation.
Journal of molecular biology 2010;399(3):410-21.
2010: Javier Espinosa; Miguel Angel Castells; Karim Boumediene Laichoubi; Karl Forchhammer; Asunción Contreras
Effects of spontaneous mutations in PipX functions and regulatory complexes on the cyanobacterium Synechococcus elongatus strain PCC 7942.
Microbiology (Reading, England) 2010;156(Pt 5):1517-26.
2010: Karl Forchhammer
The network of P(II) signalling protein interactions in unicellular cyanobacteria.
Advances in experimental medicine and biology 2010;675():71-90.
2009: Sabine Beez; Oleksandra Fokina; Christina Herrmann; Karl Forchhammer
N-acetyl-L-glutamate kinase (NAGK) from oxygenic phototrophs: P(II) signal transduction across domains of life reveals novel insights in NAGK control.
Journal of molecular biology 2009;389(4):748-58.
2009: Miriam Drath; Kerstin Baier; Karl Forchhammer
An alternative methionine aminopeptidase, MAP-A, is required for nitrogen starvation and high-light acclimation in the cyanobacterium Synechocystis sp. PCC 6803.
Microbiology (Reading, England) 2009;155(Pt 5):1427-39.
2009: Nicole Sturm; Esther Jortzik; Boniface M Mailu; Sasa Koncarevic; Marcel Deponte; Karl Forchhammer; Stefan Rahlfs; Katja Becker
Identification of proteins targeted by the thioredoxin superfamily in Plasmodium falciparum.
PLoS pathogens 2009;5(4):e1000383.
2008: Airat Kayumov; Annette Heinrich; Margarita Sharipova; Olga Iljinskaya; Karl Forchhammer
Inactivation of the general transcription factor TnrA in Bacillus subtilis by proteolysis.
Microbiology (Reading, England) 2008;154(Pt 8):2348-55.
2008: Anke Nodop; Daniel Pietsch; Ralf Höcker; Anke Becker; Elfriede K Pistorius; Karl Forchhammer; Klaus-Peter Michel
Transcript profiling reveals new insights into the acclimation of the mesophilic fresh-water cyanobacterium Synechococcus elongatus PCC 7942 to iron starvation.
Plant physiology 2008;147(2):747-63.
2008: Miriam Drath; Nicole Kloft; Alfred Batschauer; Kay Marin; Jens Novak; Karl Forchhammer
Ammonia triggers photodamage of photosystem II in the cyanobacterium Synechocystis sp. strain PCC 6803.
Plant physiology 2008;147(1):206-15.
2008: Christine Schlicker; Oleksandra Fokina; Nicole Kloft; Tim Grüne; Stefan Becker; George M Sheldrick; Karl Forchhammer
Structural analysis of the PP2C phosphatase tPphA from Thermosynechococcus elongatus: a flexible flap subdomain controls access to the catalytic site.
Journal of molecular biology 2008;376(2):570-81.
2008: Karl Forchhammer
P(II) signal transducers: novel functional and structural insights.
Trends in microbiology 2008;16(2):65-72.
2007: José L Llácer; Asunción Contreras; Karl Forchhammer; Clara Marco-Marín; Fernando Gil-Ortiz; Rafael Maldonado; Ignacio Fita; Vicente Rubio
The crystal structure of the complex of PII and acetylglutamate kinase reveals how PII controls the storage of nitrogen as arginine.
Proceedings of the National Academy of Sciences of the United States of America 2007;104(45):17644-9.
2007: Javier Espinosa; Karl Forchhammer; Asunción Contreras
Role of the Synechococcus PCC 7942 nitrogen regulator protein PipX in NtcA-controlled processes.
Microbiology (Reading, England) 2007;153(Pt 3):711-8.
2007: Karl Forchhammer
Glutamine signalling in bacteria.
Frontiers in bioscience : a journal and virtual library 2007;12():358-70.
2006: Annette Heinrich; Kathrin Woyda; Katja Brauburger; Gregor Meiss; Christian Detsch; Jörg Stülke; Karl Forchhammer
Interaction of the membrane-bound GlnK-AmtB complex with the master regulator of nitrogen metabolism TnrA in Bacillus subtilis.
The Journal of biological chemistry 2006;281(46):34909-17.
2006: Roxane Lahmi; Eleonora Sendersky; Alexander Perelman; Martin Hagemann; Karl Forchhammer; Rakefet Schwarz
Alanine dehydrogenase activity is required for adequate progression of phycobilisome degradation during nitrogen starvation in Synechococcus elongatus PCC 7942.
Journal of bacteriology 2006;188(14):5258-65.
2006: Javier Espinosa; Karl Forchhammer; Sergio Burillo; Asunción Contreras
Interaction network in cyanobacterial nitrogen regulation: PipX, a protein that interacts in a 2-oxoglutarate dependent manner with PII and NtcA.
Molecular microbiology 2006;61(2):457-69.
2006: Mani Maheswaran; Karl Ziegler; Wolfgang Lockau; Martin Hagemann; Karl Forchhammer
PII-regulated arginine synthesis controls accumulation of cyanophycin in Synechocystis sp. strain PCC 6803.
Journal of bacteriology 2006;188(7):2730-4.
2006: Fabian M Commichau; Karl Forchhammer; Jörg Stülke
Regulatory links between carbon and nitrogen metabolism.
Current opinion in microbiology 2006;9(2):167-72.
2006: M Fadi Aldehni; Karl Forchhammer
Analysis of a non-canonical NtcA-dependent promoter in Synechococcus elongatus and its regulation by NtcA and PII.
Archives of microbiology 2006;184(6):378-86.
2005: Nicole Kloft; Karl Forchhammer
Signal transduction protein PII phosphatase PphA is required for light-dependent control of nitrate utilization in synechocystis sp. strain PCC 6803.
Journal of bacteriology 2005;187(19):6683-90.
2005: Rakefet Schwarz; Karl Forchhammer
Acclimation of unicellular cyanobacteria to macronutrient deficiency: emergence of a complex network of cellular responses.
Microbiology (Reading, England) 2005;151(Pt 8):2503-14.
2005: Nicole Kloft; Grit Rasch; Karl Forchhammer
Protein phosphatase PphA from Synechocystis sp. PCC 6803: the physiological framework of PII-P dephosphorylation.
Microbiology (Reading, England) 2005;151(Pt 4):1275-83.
2005: Claudia Ehlers; Katrin Weidenbach; Katharina Veit; Karl Forchhammer; Ruth A Schmitz
Unique mechanistic features of post-translational regulation of glutamine synthetase activity in Methanosarcina mazei strain Gö1 in response to nitrogen availability.
Molecular microbiology 2005;55(6):1841-54.
2004: Mani Maheswaran; Claus Urbanke; Karl Forchhammer
Complex formation and catalytic activation by the PII signaling protein of N-acetyl-L-glutamate kinase from Synechococcus elongatus strain PCC 7942.
The Journal of biological chemistry 2004;279(53):55202-10.
2004: Sophie Laurent; Karl Forchhammer; Leticia Gonzalez; Thierry HEULIN; Cheng-Cai Zhang; Sylvie Bédu
Cell-type specific modification of PII is involved in the regulation of nitrogen metabolism in the cyanobacterium Anabaena PCC 7120.
FEBS letters 2004;576(1-2):261-5.
2004: Karl Forchhammer
Global carbon/nitrogen control by PII signal transduction in cyanobacteria: from signals to targets.
FEMS microbiology reviews 2004;28(3):319-33.
2004: Annette Heinrich; Mani Maheswaran; Ulrike Ruppert; Karl Forchhammer
The Synechococcus elongatus P signal transduction protein controls arginine synthesis by complex formation with N-acetyl-L-glutamate kinase.
Molecular microbiology 2004;52(5):1303-14.
2003: Yibin Xu; Paul D Carr; Paula Clancy; Mario Garcia-Dominguez; Karl Forchhammer; Francisco Florencio; Subhash G Vasudevan; Nicole Tandeau de Marsac; David L Ollis
The structures of the PII proteins from the cyanobacteria Synechococcus sp. PCC 7942 and Synechocystis sp. PCC 6803.
Acta crystallographica. Section D, Biological crystallography 2003;59(Pt 12):2183-90.
2003: Mani Maheswaran; Karl Forchhammer
Carbon-source-dependent nitrogen regulation in Escherichia coli is mediated through glutamine-dependent GlnB signalling.
Microbiology (Reading, England) 2003;149(Pt 8):2163-72.
2003: M Fadi Aldehni; Jörg Sauer; Christian Spielhaupter; Roland Schmid; Karl Forchhammer
Signal transduction protein P(II) is required for NtcA-regulated gene expression during nitrogen deprivation in the cyanobacterium Synechococcus elongatus strain PCC 7942.
Journal of bacteriology 2003;185(8):2582-91.
2002: Ulrike Ruppert; Angelika Irmler; Nicole Kloft; Karl Forchhammer
The novel protein phosphatase PphA from Synechocystis PCC 6803 controls dephosphorylation of the signalling protein PII.
Molecular microbiology 2002;44(3):855-64.
2001: Angelika Irmler; Karl Forchhammer
A PP2C-type phosphatase dephosphorylates the PII signaling protein in the cyanobacterium Synechocystis PCC 6803.
Proceedings of the National Academy of Sciences of the United States of America 2001;98(23):12978-83.
2001: J Sauer; U Schreiber; R Schmid; U Völker; Karl Forchhammer
Nitrogen starvation-induced chlorosis in Synechococcus PCC 7942. Low-level photosynthesis as a mechanism of long-term survival.
Plant physiology 2001;126(1):233-43.
2000: Jana Huckauf; C Nomura; Karl Forchhammer; Martin Hagemann
Stress responses of Synechocystis sp. strain PCC 6803 mutants impaired in genes encoding putative alternative sigma factors.
Microbiology (Reading, England) 2000;146 ( Pt 11)():2877-89.
2000: J Sauer; U Dirmeier; Karl Forchhammer
The Synechococcus strain PCC 7942 glnN product (glutamine synthetase III) helps recovery from prolonged nitrogen chlorosis.
Journal of bacteriology 2000;182(19):5615-9.
2000: HM Lee; E Flores; Karl Forchhammer; Antonia Herrero; Nicole Tandeau de Marsac
Phosphorylation of the signal transducer PII protein and an additional effector are required for the PII-mediated regulation of nitrate and nitrite uptake in the Cyanobacterium synechococcus sp. PCC 7942.
European journal of biochemistry / FEBS 2000;267(2):591-600.
1999: Karl Forchhammer; A Hedler; H Strobel; V Weiss
Heterotrimerization of PII-like signalling proteins: implications for PII-mediated signal transduction systems.
Molecular microbiology 1999;33(2):338-49.
1998: Thomas Hanson; Karl Forchhammer; Nicole Tandeau de Marsac; John C Meeks
Characterization of the glnB gene product of Nostoc punctiforme strain ATCC 29133: glnB or the PII protein may be essential.
Microbiology (Reading, England) 1998;144 ( Pt 6)():1537-47.
1997: Angelika Irmler; S Sanner; H Dierks; Karl Forchhammer
Dephosphorylation of the phosphoprotein P(II) in Synechococcus PCC 7942: identification of an ATP and 2-oxoglutarate-regulated phosphatase activity.
Molecular microbiology 1997;26(1):81-90.
1997: Karl Forchhammer; A Hedler
Phosphoprotein PII from cyanobacteria--analysis of functional conservation with the PII signal-transduction protein from Escherichia coli.
European journal of biochemistry / FEBS 1997;244(3):869-75.
1990: Karl Forchhammer; K P Rücknagel; August Böck
Purification and biochemical characterization of SELB, a translation factor involved in selenoprotein synthesis.
The Journal of biological chemistry 1990;265(16):9346-50.