Abstract:
:Stomatal movements are regulated by alternate phase transition in the lipophilic domains of membrane initiated by blue light through activation of plasmalemma redox system. ABA blocks the blue light activated redox reactions leading to the accumulation of superoxide (O2.-) radical inducing melting of the membrane and increased fluidity. Phenolic compounds which reverse the ABA effects reduce O2.- radical and thereby reverse phase transition in lipophilic domains of membrane. Stomatal movements thus appear to be regulated by blue light activated redox reactions involving formation of O2.- radical and its reduction by the reducing equivalents available in the GCPs.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Purohit S,Kumar GP,Laloraya M,Laloraya MMdoi
10.1006/bbrc.1994.2625subject
Has Abstractpub_date
1994-11-30 00:00:00pages
30-7issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(84)72625-8journal_volume
205pub_type
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