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RESEARCH PRODUCT
Uptake of Acetylcholine by Bean Hypocotyl Hooks
Elmar Hartmannsubject
biologyDirect effectsfood and beveragesGeneral Medicinebiology.organism_classificationAcetylcholinesteraseHypocotylchemistry.chemical_compoundHydrolysischemistryBiochemistryEtiolationmedicinePhaseolusIncubationAcetylcholinemedicine.drugdescription
Summary The uptake of acetylcholine by etiolated hypocotyl hooks of beans ( Phaseolus vulgaris L.) is influenced by light and the pH-value of the incubation medium. Acetylcholine is hydrolysed up to 90 % during the uptake. The hydrolysis is inhibited by pH-value lower than 6.0 and by eserine, an inhibitor of the acetylcholinesterase. The high amount of hydrolysis is a serious problem in experiments involving acetylcholine and necessitates the inclusions of adequate controls without which direct effects of acetylcholine cannot be distinguished from reactions of its metabolic products.
year | journal | country | edition | language |
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1978-03-01 | Zeitschrift für Pflanzenphysiologie |