The mutual effect of extracellular Ca2+, abscisic acid, and pH on the rate of stomatal closure
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2005
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An analysis of the rate of stomatal closure in epidermal strips of Commelina communis L. induced by different calcium concentrations (10 nM to 1 mM) demonstrated a biphasic dependency, the initial process of closure being more calcium dependent. This dependency was more evident at pH 7 than pH 5 of the bathing medium. Addition of low concentrations of abscisic acid (10 nM) induced a broadening of the Ca-2 dependency, while 10 mu M abscisic acid increased the rate of stomatal closure in the whole Ca2+ range and to a large extent abolished the calcium-induced effects. Such results indicate an interaction of external protons, Ca2+, and abscisic acid, and possible competition for the membrane associated binding sites of the mechanism(s) responsible for the regulation of stomatal closure.
Ključne reči:
stomata / abscisic acid / pH / Commelina communis L.Izvor:
Biophysics from Molecules to Brain: in Memory of Radoslav K. Andjus, 2005, 1048, 513-516Izdavač:
- New York Acad Sciences, New York
DOI: 10.1196/annals.1342.079
ISSN: 0077-8923
PubMed: 16154989
WoS: 000233712300073
Scopus: 2-s2.0-25144436357
Institucija/grupa
Poljoprivredni fakultetTY - CONF AU - Prokić, Ljiljana AU - Jovanović, Zorica AU - Stikić, Radmila AU - Vucinić, Z PY - 2005 UR - http://aspace.agrif.bg.ac.rs/handle/123456789/1005 AB - An analysis of the rate of stomatal closure in epidermal strips of Commelina communis L. induced by different calcium concentrations (10 nM to 1 mM) demonstrated a biphasic dependency, the initial process of closure being more calcium dependent. This dependency was more evident at pH 7 than pH 5 of the bathing medium. Addition of low concentrations of abscisic acid (10 nM) induced a broadening of the Ca-2 dependency, while 10 mu M abscisic acid increased the rate of stomatal closure in the whole Ca2+ range and to a large extent abolished the calcium-induced effects. Such results indicate an interaction of external protons, Ca2+, and abscisic acid, and possible competition for the membrane associated binding sites of the mechanism(s) responsible for the regulation of stomatal closure. PB - New York Acad Sciences, New York C3 - Biophysics from Molecules to Brain: in Memory of Radoslav K. Andjus T1 - The mutual effect of extracellular Ca2+, abscisic acid, and pH on the rate of stomatal closure EP - 516 SP - 513 VL - 1048 DO - 10.1196/annals.1342.079 ER -
@conference{ author = "Prokić, Ljiljana and Jovanović, Zorica and Stikić, Radmila and Vucinić, Z", year = "2005", abstract = "An analysis of the rate of stomatal closure in epidermal strips of Commelina communis L. induced by different calcium concentrations (10 nM to 1 mM) demonstrated a biphasic dependency, the initial process of closure being more calcium dependent. This dependency was more evident at pH 7 than pH 5 of the bathing medium. Addition of low concentrations of abscisic acid (10 nM) induced a broadening of the Ca-2 dependency, while 10 mu M abscisic acid increased the rate of stomatal closure in the whole Ca2+ range and to a large extent abolished the calcium-induced effects. Such results indicate an interaction of external protons, Ca2+, and abscisic acid, and possible competition for the membrane associated binding sites of the mechanism(s) responsible for the regulation of stomatal closure.", publisher = "New York Acad Sciences, New York", journal = "Biophysics from Molecules to Brain: in Memory of Radoslav K. Andjus", title = "The mutual effect of extracellular Ca2+, abscisic acid, and pH on the rate of stomatal closure", pages = "516-513", volume = "1048", doi = "10.1196/annals.1342.079" }
Prokić, L., Jovanović, Z., Stikić, R.,& Vucinić, Z.. (2005). The mutual effect of extracellular Ca2+, abscisic acid, and pH on the rate of stomatal closure. in Biophysics from Molecules to Brain: in Memory of Radoslav K. Andjus New York Acad Sciences, New York., 1048, 513-516. https://doi.org/10.1196/annals.1342.079
Prokić L, Jovanović Z, Stikić R, Vucinić Z. The mutual effect of extracellular Ca2+, abscisic acid, and pH on the rate of stomatal closure. in Biophysics from Molecules to Brain: in Memory of Radoslav K. Andjus. 2005;1048:513-516. doi:10.1196/annals.1342.079 .
Prokić, Ljiljana, Jovanović, Zorica, Stikić, Radmila, Vucinić, Z, "The mutual effect of extracellular Ca2+, abscisic acid, and pH on the rate of stomatal closure" in Biophysics from Molecules to Brain: in Memory of Radoslav K. Andjus, 1048 (2005):513-516, https://doi.org/10.1196/annals.1342.079 . .