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THE ROLES OF ADENOSINE TRIPHOSPHATE AND GLUTATHIONE IN THE INHIBITION OF CYCLOSIS BY p ‐CHLOROBENZOIC ACID IN ELODEA DENSA
Author(s) -
BRUESKE C. H.,
APPLEGATE H. G.
Publication year - 1966
Publication title -
new phytologist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.742
H-Index - 244
eISSN - 1469-8137
pISSN - 0028-646X
DOI - 10.1111/j.1469-8137.1966.tb05412.x
Subject(s) - glutathione , adenosine triphosphate , biochemistry , chemistry , adenosine , enzyme
S ummary Adenosine triphosphate (ATP) applied alone accelerated cyclosis in Elodea densa . When applied simultaneously with p ‐chlorobenzoic acid ( p ClBA), ATP nullified the inhibition of cyclosis by p C1BA, However, when ATP was applied prior to p ClBA, it only partially overcame the inhibiting action of p ClBA. Gltatathione at non‐toxic levels induced acceleration of cyclosis. Exogenous sulphydryl groups, in the form of glutathione, partially reduced p ClBA‐inhibited cyclosis. It was found that p C1BA combined with sulphydryl groups in vitro . Explanations are advanced for the action of ATP and glutathione in the inhibition of cyclosis by p ClBA.