scholarly journals Xylem Sap pH Increase: A Drought Signal Received at the Apoplastic Face of the Guard Cell That Involves the Suppression of Saturable Abscisic Acid Uptake by the Epidermal Symplast

1997 ◽  
Vol 113 (2) ◽  
pp. 559-573 ◽  
Author(s):  
S. Wilkinson ◽  
W. J. Davies
Keyword(s):  
Abscisic Acid ◽  
Guard Cell ◽  
Xylem Sap ◽  
Acid Uptake ◽  
Ph Increase

Signalling gates in abscisic acid-mediated control of guard cell ion channels

1997 ◽  
Vol 100 (3) ◽  
pp. 481-490 ◽  
Author(s):  
Michael R. Blatt ◽  
Alexander Grabov
Keyword(s):  
Abscisic Acid ◽  
Ion Channels ◽  
Guard Cell

scholarly journals Abscisic acid-inducible 25 kDa xylem sap protein abundant in winter poplar

Plant Root ◽  
2011 ◽  
Vol 5 ◽  
pp. 63-68 ◽  
Author(s):  
Jun Furukawa ◽  
Yuta Abe ◽  
Hiroaki Mizuno ◽  
Kaoru Matsuki ◽  
Keiko Sagawa ◽  
...  
Keyword(s):  
Abscisic Acid ◽  
Xylem Sap

scholarly journals The Multisensory Guard Cell. Stomatal Responses to Blue Light and Abscisic Acid

1999 ◽  
Vol 119 (3) ◽  
pp. 809-816 ◽  
Author(s):  
Sarah M. Assmann ◽  
Ken-ichiro Shimazaki
Keyword(s):  
Abscisic Acid ◽  
Blue Light ◽  
Guard Cell ◽  
Stomatal Responses

Signalling gates in abscisic acid-mediated control of guard cell ion channels

1997 ◽  
Vol 100 (3) ◽  
pp. 481-490 ◽  
Author(s):  
Michael R. Blatt ◽  
Alexander Grabov
Keyword(s):  
Abscisic Acid ◽  
Ion Channels ◽  
Guard Cell

Abscisic Acid Levels in Nacl-Treated Barley, Cotton and Saltbush

1991 ◽  
Vol 18 (1) ◽  
pp. 17 ◽  
Author(s):  
Z Kefu ◽  
R Munns ◽  
RW King
Keyword(s):  
Abscisic Acid ◽  
Water Deficit ◽  
Water Status ◽  
Xylem Sap ◽  
Leaf Water ◽  
Leaf Water Status ◽  
Cotton Plants ◽  
Presence And Absence ◽  
Leaf Water Deficit

Exposing barley and cotton plants to 75 mol m-3 NaCl reduced transpiration and increased abscisic acid (ABA) levels in leaves, roots and xylem sap. Exposing saltbush (Atriplex spongiosa) plants to 75 mol m-3 NaCI, at which concentration they grow best, did not affect transpiration or ABA levels but when the NaCl was increased to 150 mol m-3 transpiration fell and ABA levels rose. ABA levels in leaves were high in salt-treated barley and saltbush even when the leaf water status was raised by pressurising the roots. These responses indicate that an increased leaf ABA level was not triggered by leaf water deficit, but by the root's response to the salinity. The flux of ABA in the xylem sap of the three species was more than enough to account for the amount of ABA in leaves, in the presence and absence of salinity. This suggests that the roots may be the source of at least part of the ABA found in leaves.

Stomatal Closure by Fast Abscisic Acid Signaling Is Mediated by the Guard Cell Anion Channel SLAH3 and the Receptor RCAR1

2011 ◽  
Vol 4 (173) ◽  
pp. ra32-ra32 ◽  
Author(s):  
D. Geiger ◽  
T. Maierhofer ◽  
K. A. S. AL-Rasheid ◽  
S. Scherzer ◽  
P. Mumm ◽  
...  
Keyword(s):  
Abscisic Acid ◽  
Guard Cell ◽  
Stomatal Closure ◽  
Anion Channel ◽  
Abscisic Acid Signaling
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