Lehrstuhl für Botanik I - Pflanzenphysiologie und Biophysik



    Wittek A, Dreyer I, Al-Rasheid KA, Sauer N, Hedrich R, Geiger D. 2017. The fungal UmSrt1 and maize ZmSUT1 sucrose transporters battle for plant sugar resources. Journal of Integrative Plant Biology in press.


    Cubero-Font P, Maierhofer T, Jaslan J, Rosales MA, Espartero J, Diaz-Rueda P, Muller HM, Hurter AL, Al-Rasheid KA, Marten I, et al. 2016. Silent S-Type Anion Channel Subunit SLAH1 Gates SLAH3 Open for Chloride Root-to-Shoot Translocation. Curr Biol 26(16): 2213-2220. 

    Jaborsky M, Maierhofer T, Olbrich A, Escalante-Perez M, Muller HM, Simon J, Krol E, Cuin TA, Fromm J, Ache P, et al. 2016. SLAH3-type anion channel expressed in poplar secretory epithelia operates in calcium kinase CPK-autonomous manner. New Phytol 210(3): 922-933.

    Chintalapati C, Keller T, Mueller TD, Gorboulev V, Schafer N, Zilkowski I, Veyhl-Wichmann M, Geiger D, Groll J, Koepsell H. 2016. Protein RS1 (RSC1A1) Downregulates the Exocytotic Pathway of Glucose Transporter SGLT1 at Low Intracellular Glucose via Inhibition of Ornithine Decarboxylase. Molecular Pharmacology 90(5): 508-521. 

    McAdam SAM, Brodribb TJ, Banks JA, Hedrich R, Atallah NM, Cai C, Geringer MA, Lind C, Nichols DS, Stachowski K, et al. 2016. Abscisic acid controlled sex before transpiration in vascular plants. Proc Natl Acad Sci U S A 113(45): 12862-12867.


    Jorgensen ME, Olsen CE, Geiger D, Halkier BA, Nour-Eldin HH. 2015. A Functional EXXEK Motif is Essential for Proton-Coupling and Active Glucosinolate Transport by NPF2.11. Plant Cell Physiol.

    Lind C, Dreyer I, Lopez-Sanjurjo EJ, von Meyer K, Ishizaki K, Kohchi T, Lang D, Zhao Y, Kreuzer I, Al-Rasheid KA, et al. 2015. Stomatal Guard Cells Co-opted an Ancient ABA-Dependent Desiccation Survival System to Regulate Stomatal Closure. Curr Biol 25(7): 928-935.


    Gavrin A, Kaiser BN, Geiger D, Tyerman SD, Wen Z, Bisseling T, Fedorova EE. 2014. Adjustment of Host Cells for Accommodation of Symbiotic Bacteria: Vacuole Defunctionalization, HOPS Suppression, and TIP1g Retargeting in Medicago. Plant Cell

    Leran S, Varala K, Boyer JC, Chiurazzi M, Crawford N, Daniel-Vedele F, David L, Dickstein R, Fernandez E, Forde B, et al. 2014. A unified nomenclature of NITRATE TRANSPORTER 1/PEPTIDE TRANSPORTER family members in plants. Trends Plant Sci 19(1): 5-9. 

    Maierhofer T, Diekmann M, Offenborn JN, Lind C, Bauer H, Hashimoto K, KA SA-R, Luan S, Kudla J, Geiger D, et al. 2014a. Site- and kinase-specific phosphorylation-mediated activation of SLAC1, a guard cell anion channel stimulated by abscisic acid. Sci Signal 7(342): ra86. 

    Maierhofer T, Lind C, Huttl S, Scherzer S, Papenfuss M, Simon J, Al-Rasheid KA, Ache P, Rennenberg H, Hedrich R, et al. 2014b. A Single-Pore Residue Renders the Arabidopsis Root Anion Channel SLAH2 Highly Nitrate Selective. Plant Cell 26(6): 2554-2567.


    Demir F, Horntrich C, Blachutzik JO, Scherzer S, Reinders Y, Kierszniowska S, Schulze WX, Harms GS, Hedrich R, Geiger D, et al. 2013. Arabidopsis nanodomain-delimited ABA signaling pathway regulates the anion channel SLAH3. Proc Natl Acad Sci U S A110(20): 8296-8301.

    Derrer C, Wittek A, Bamberg E, Carpaneto A, Dreyer I, Geiger D. 2013. Conformational changes represent the rate-limiting step in the transport cycle of maize sucrose transporter1. Plant Cell25(8): 3010-3021.

    Imes D, Mumm P, Bohm J, Al-Rasheid KA, Marten I, Geiger D, Hedrich R. 2013. Open stomata 1 (OST1) kinase controls R-type anion channel QUAC1 in Arabidopsis guard cells. Plant J74(3): 372-382.

    Mumm P, Imes D, Martinoia E, Al-Rasheid KA, Geiger D, Marten I, Hedrich R. 2013. C-terminus-mediated voltage gating of arabidopsis guard cell anion channel QUAC1. Mol Plant6(5): 1550-1563.


    Dreyer I, Gomez-Porras JL, Riano-Pachon DM, Hedrich R, Geiger D. 2012. Molecular Evolution of Slow and Quick Anion Channels (SLACs and QUACs/ALMTs). Front Plant Sci3: 263.

    Egenberger B, Gorboulev V, Keller T, Gorbunov D, Gottlieb N, Geiger D, Mueller TD, Koepsell H. 2012. A substrate binding hinge domain is critical for transport-related structural changes of organic cation transporter 1. J Biol Chem287(37): 31561-31573.

    Nour-Eldin HH, Andersen TG, Burow M, Madsen SR, Jorgensen ME, Olsen CE, Dreyer I, Hedrich R, Geiger D, Halkier BA. 2012. NRT/PTR transporters are essential for translocation of glucosinolate defence compounds to seeds. Nature488(7412): 531-534.

    Roelfsema MR, Hedrich R, Geiger D. 2012. Anion channels: master switches of stress responses. Trends Plant Sci17(4): 221-229.

    Scherzer S, Maierhofer T, Al-Rasheid KA, Geiger D, Hedrich R. 2012. Multiple calcium-dependent kinases modulate ABA-activated guard cell anion channels. Mol Plant5(6): 1409-1412.


    Escalante-Perez M, Krol E, Stange A, Geiger D, Al-Rasheid KA, Hause B, Neher E, Hedrich R. 2011. A special pair of phytohormones controls excitability, slow closure, and external stomach formation in the Venus flytrap. Proc Natl Acad Sci U S A108(37): 15492-15497.

    Geiger D. 2011. Plant sucrose transporters from a biophysical point of view. Mol Plant4(3): 395-406.

    Geiger D, Maierhofer T, Al-Rasheid KA, Scherzer S, Mumm P, Liese A, Ache P, Wellmann C, Marten I, Grill E, et al. 2011. Stomatal closure by fast abscisic acid signaling is mediated by the guard cell anion channel SLAH3 and the receptor RCAR1. Sci Signal4(173): ra32.

    Wingenter K, Trentmann O, Winschuh I, Hormiller, II, Heyer AG, Reinders J, Schulz A, Geiger D, Hedrich R, Neuhaus HE. 2011. A member of the mitogen-activated protein 3-kinase family is involved in the regulation of plant vacuolar glucose uptake. Plant J 68(5): 890-900.    


    Amien S, Kliwer I, Marton ML, Debener T, Geiger D, Becker D, Dresselhaus T. 2010. Defensin-like ZmES4 mediates pollen tube burst in maize via opening of the potassium channel KZM1. PLoS Biol8(6): e1000388.

    Carpaneto A, Koepsell H, Bamberg E, Hedrich R, Geiger D. 2010. Sucrose- and H-dependent charge movements associated with the gating of sucrose transporter ZmSUT1. PLoS One5(9): e12605.

    Geiger D, Scherzer S, Mumm P, Marten I, Ache P, Matschi S, Liese A, Wellmann C, Al-Rasheid KA, Grill E, et al. 2010. Guard cell anion channel SLAC1 is regulated by CDPK protein kinases with distinct Ca2+ affinities. Proc Natl Acad Sci U S A107(17): 8023-8028.

    Marcel D, Muller T, Hedrich R, Geiger D. 2010. K+ transport characteristics of the plasma membrane tandem-pore channel TPK4 and pore chimeras with its vacuolar homologs. FEBS Lett584(11): 2433-2439.

    Meyer S, Mumm P, Imes D, Endler A, Weder B, Al-Rasheid KA, Geiger D, Marten I, Martinoia E, Hedrich R. 2010. AtALMT12 represents an R-type anion channel required for stomatal movement in Arabidopsis guard cells. Plant J63(6): 1054-1062.


    Geiger D, Becker D, Vosloh D, Gambale F, Palme K, Rehers M, Anschuetz U, Dreyer I, Kudla J, Hedrich R. 2009a. Heteromeric AtKC1{middle dot}AKT1 channels in Arabidopsis roots facilitate growth under K+-limiting conditions. J Biol Chem284(32): 21288-21295.

    Geiger D, Scherzer S, Mumm P, Stange A, Marten I, Bauer H, Ache P, Matschi S, Liese A, Al-Rasheid KA, et al. 2009b. Activity of guard cell anion channel SLAC1 is controlled by drought-stress signaling kinase-phosphatase pair. Proc Natl Acad Sci U S A106(50): 21425-21430.


    Carpaneto A, Geiger D, Bamberg E, Sauer N, Fromm J, Hedrich R. 2005. Phloem-localized, proton-coupled sucrose carrier ZmSUT1 mediates sucrose efflux under the control of the sucrose gradient and the proton motive force. J Biol Chem280(22): 21437-21443.

    Klepek YS, Geiger D, Stadler R, Klebl F, Landouar-Arsivaud L, Lemoine R, Hedrich R, Sauer N. 2005. Arabidopsis POLYOL TRANSPORTER5, a new member of the monosaccharide transporter-like superfamily, mediates H+-Symport of numerous substrates, including myo-inositol, glycerol, and ribose. Plant Cell 17(1): 204-218.    


    Becker D, Geiger D, Dunkel M, Roller A, Bertl A, Latz A, Carpaneto A, Dietrich P, Roelfsema MR, Voelker C, et al. 2004. AtTPK4, an Arabidopsis tandem-pore K+ channel, poised to control the pollen membrane voltage in a pH- and Ca2+-dependent manner. Proc Natl Acad Sci U S A101(44): 15621-15626.

    Diatloff E, Geiger D, Shang L, Hedrich R, Roberts SK. 2004. Differential regulation of K+ channels in Arabidopsis epidermal and stelar root cells. Plant, Cell & Environment27(8): 980-990.

    Langer K, Levchenko V, Fromm J, Geiger D, Steinmeyer R, Lautner S, Ache P, Hedrich R. 2004. The poplar K+ channel KPT1 is associated with K+ uptake during stomatal opening and bud development. Plant J37(6): 828-838.

    Ramsperger-Gleixner M, Geiger D, Hedrich R, Sauer N. 2004. Differential expression of sucrose transporter and polyol transporter genes during maturation of common plantain companion cells. Plant Physiol134(1): 147-160.


    Philippar K, Buchsenschutz K, Abshagen M, Fuchs I, Geiger D, Lacombe B, Hedrich R. 2003. The K+ channel KZM1 mediates potassium uptake into the phloem and guard cells of the C4 grass Zea mays. J Biol Chem278(19): 16973-16981.


    Deeken R, Geiger D, Fromm J, Koroleva O, Ache P, Langenfeld-Heyser R, Sauer N, May ST, Hedrich R. 2002. Loss of the AKT2/3 potassium channel affects sugar loading into the phloem of Arabidopsis. Planta216(2): 334-344.

    Langer K, Ache P, Geiger D, Stinzing A, Arend M, Wind C, Regan S, Fromm J, Hedrich R. 2002. Poplar potassium transporters capable of controlling K+ homeostasis and K+-dependent xylogenesis. Plant J32(6): 997-1009.

    Geiger D, Becker D, Lacombe B, Hedrich R. 2002. Outer pore residues control the H(+) and K(+) sensitivity of the Arabidopsis potassium channel AKT3. Plant Cell14(8): 1859-1868.


    Hoth S, Geiger D, Becker D, Hedrich R. 2001. The pore of plant K(+) channels is involved in voltage and pH sensing: domain-swapping between different K(+) channel alpha-subunits. Plant Cell13(4): 943-952.


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