Search Results - "Assmann, S.M"

Arabidopsis sphingosine kinase and the effects of phytosphingosine-1-phosphate on stomatal aperture by Coursol, S, Le Stunff, H, Lynch, D.V, Gilroy, S, Assmann, S.M, Spiegel, S

“…Sphingolipids are a major component of membrane lipids and their metabolite sphingosine-1-phosphate (S1P) is a potent lipid mediator in animal cells. Recently,…”
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Light Regulation of Stomatal Movement by Shimazaki, K, Doi, M, Assmann, S.M, Kinoschita, T

“…Stomatal pores, each surrounded by a pair of guard cells, regulate CO2 uptake and water loss from leaves. Stomatal opening is driven by the accumulation of K+…”
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Arabidopsis putative G protein-coupled receptor GCR1 interacts with the G protein α subunit GPA1 and regulates abscisic acid signaling by Pandey, S, Assmann, S.M

“…Heterotrimeric G proteins composed of alpha, beta, and gamma subunits link ligand perception by G protein-coupled receptors (GPCRs) with downstream effectors,…”
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Whole-cell K(+) current across the plasma membrane of guard cells from a grass: Zea mays by Fairly-Grenot, K.A. (Harvard Univ., Cambridge, Massachusetts (USA). Biological Labs.), Assmann, S.M

“…Knowledge of ion fluxes in the dumbell-shaped guard cells of grass species has been limited by the difficulty of obtaining isolated epidermes or guard-cell…”
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Permeation of Ca2+ through K+ channels in the plasma membrane of Vicia faba guard cells by Fairley-Grenot, K.A. (The University of Sydney, NSW, Australia), Assmann, S.M

“…The whole-cell patch-clamp method has been used to measure Ca2+ influx through otherwise K(+)-selective channels in the plasma membrane surrounding protoplasts…”
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Plant heterotrimeric G protein function: insights from Arabidopsis and rice mutants by Perfus-Barbeoch, Laetitia, Jones, Alan M, Assmann, Sarah M

“…Heterotrimeric G proteins have been implicated in a wide range of plant processes. These include responses to hormones, drought, and pathogens, and…”
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Guard cells: a dynamic signaling model by Fan, Liu-Min, Zhao, Zhixin, Assmann, Sarah M

“…The year 2003 has provided a continuing accretion of knowledge concerning the diverse ways in which guard cells sense and respond to abscisic acid. A deeper…”
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The calculation of intracellular ion concentrations and membrane potential from cell-attached and excised patch measurements. Cytosolic K+ concentration and membrane potential in Vicia faba guard cells by Miedema, H. (UNAM, Cuernavaca, Morelos, Mexico.), Assmann, S.M

“…Ion channel activity in cell-attached patch recordings shows channel behavior under more physiological conditions than whole-cell and excised patch…”
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GCR1 can act independently of heterotrimeric G-protein in response to brassinosteroids and gibberellins in Arabidopsis seed germination by Chen, J.G, Pandey, S, Huang, J, Alonso, J.M, Ecker, J.R, Assmann, S.M, Jones, A.M

“…Signal recognition by seven-transmembrane (7TM) cell-surface receptors is typically coupled by heterotrimeric G-proteins to downstream effectors in metazoan,…”
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multisensory guard cell. Stomatal responses to blue light and abscisic acid by Assmann, S.M, Simazaki, K

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Ozone inhibits guard cell K+ channels implicated in stomatal opening by Torsethaugen, G, Pell, E.J, Assmann, S.M

“…Ozone (O(3)) deleteriously affects organisms ranging from humans to crop plants, yet little is understood regarding the underlying mechanisms. In plants, O(3)…”
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An abscisic acid-activated and calcium-independent protein kinase from guard cells of fava bean by Li, J. (Pennsylvania State University, University Park, PA.), Assmann, S.M

“…Abscisic acid (ABA) regulation of stomatal aperture is known to involve both Ca2+-dependent and Ca2+-independent signal transduction pathways…”
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Arabidopsis thaliana 'extra-large GTP-binding protein' (AtXLG1): a new class of G-protein by Lee, Y.R.J, Assmann, S.M

“…Heterotrimeric GTP-binding proteins, composed of alpha, beta and gamma subunits, are involved in signal transduction pathways in animal and plant systems. In…”
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Stomatal limitation to carbon gain in Paphiopedilum sp. (Orchidaceae) and its reversal by blue light by Zeiger, E, Grivet, C, Assmann, S.M, Deitzer, G.F, Hannegan, M.W

“…Leaves from Paphiopedilum sp. (Orchidaceae) having achlorophyllous stomata, show reduced levels of stomatal conductance when irradiated with red light, as…”
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Immunosuppressants implicate protein phosphatase regulation of K+ channels in guard cells by Luan, S. (Harvard University, Cambridge, MA), Li, W, Rusnak, F, Assmann, S.M, Schreiber, S.L

“…The elevation of Ca2+ levels in the cytoplasm inactivates inward-rectifying K+ channels that play a central role in regulating the apertures of stomatal pores…”
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Sphingolipids signalling in Arabidopsis guard cells involves heterotrimeric G proteins by Coursol, Sylvie, Fan, L.M., Le Stunff, H., Spiegel, S., Gilroy, S., Assmann, S.M.

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Evidence for G-protein regulation of inward K+ channel current in guard cells of fava bean by Fairley-Grenot, K. (Harvard University, Cambridge, MA), Assmann, S.M

“…Recent reports have shown that GTP-binding proteins (G-proteins) are present in plants but have given limited indication as to their site of action. G-proteins…”
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A membrane-delimited effect of internal pH on the K+ outward rectifier of Vicia faba guard cells by Miedema, H, Assmann, S M

“…ABA stimulation of outward K+ current (IK,out) in Vicia faba guard cells has been correlated with a rise in cytosolic pH (pHi). However, the underlying…”
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Differential responses of abaxial and adaxial guard cells of broad bean to abscisic acid and calcium by Wang, X.Q, Wu, W.H, Assmann, S.M

“…Regulation by abscisic acid (ABA) and Ca2+ of broad bean (Vicia faba) abaxial and adaxial guard cell movements and inward K+ currents were compared. One…”
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A membrane-delimited pathway of G-protein regulation of the guard-cell inward K+ channel by Wu, W.H, Assmann, S.M

“…GTP-binding protein (G-protein) regulation of inward rectifying K+ channels in the plasma membrane of Vicia (Vicia faba L.) guard cells has previously been…”
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