FIA functions as an early signal component of abscisic acid signal cascade in Vicia faba guard cells

An abscisic acid (ABA)-insensitive Vicia faba mutant, fia (fava bean impaired in ABA-induced stomatal closure) had previously been isolated. In this study, it was investigated how FIA functions in ABA signalling in guard cells of Vicia faba. Unlike ABA, methyl jasmonate (MeJA), H(2)O(2), and nitric...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 63(2012), 3 vom: 10. Feb., Seite 1357-65
1. Verfasser: Sugiyama, Yusuke (VerfasserIn)
Weitere Verfasser: Uraji, Misugi, Watanabe-Sugimoto, Megumi, Okuma, Eiji, Munemasa, Shintaro, Shimoishi, Yasuaki, Nakamura, Yoshimasa, Mori, Izumi C, Iwai, Sumio, Murata, Yoshiyuki
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Acetates Cyclopentanes Oxylipins Plant Proteins Nitric Oxide 31C4KY9ESH Abscisic Acid 72S9A8J5GW mehr... methyl jasmonate 900N171A0F
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520 |a An abscisic acid (ABA)-insensitive Vicia faba mutant, fia (fava bean impaired in ABA-induced stomatal closure) had previously been isolated. In this study, it was investigated how FIA functions in ABA signalling in guard cells of Vicia faba. Unlike ABA, methyl jasmonate (MeJA), H(2)O(2), and nitric oxide (NO) induced stomatal closure in the fia mutant. ABA did not induce production of either reactive oxygen species or NO in the mutant. Moreover, ABA did not suppress inward-rectifying K(+) (K(in)) currents or activate ABA-activated protein kinase (AAPK) in mutant guard cells. These results suggest that FIA functions as an early signal component upstream of AAPK activation in ABA signalling but does not function in MeJA signalling in guard cells of Vicia faba 
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700 1 |a Uraji, Misugi  |e verfasserin  |4 aut 
700 1 |a Watanabe-Sugimoto, Megumi  |e verfasserin  |4 aut 
700 1 |a Okuma, Eiji  |e verfasserin  |4 aut 
700 1 |a Munemasa, Shintaro  |e verfasserin  |4 aut 
700 1 |a Shimoishi, Yasuaki  |e verfasserin  |4 aut 
700 1 |a Nakamura, Yoshimasa  |e verfasserin  |4 aut 
700 1 |a Mori, Izumi C  |e verfasserin  |4 aut 
700 1 |a Iwai, Sumio  |e verfasserin  |4 aut 
700 1 |a Murata, Yoshiyuki  |e verfasserin  |4 aut 
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