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Acetylcholinesterase in the central nervous system and digestive gland of Achatina fulica Bowdich.
Metadata
JournalActa Biol Acad Sci HungNot FoundDate
1979
Type
Journal Article
Volume
1979 / 30 : 373-80
Author
Manna B
Doi
Not Found
PMIDMESH
Acetylcholinesterase
Animals
Benzoylcholine
Butyrylcholinesterase
Central Nervous System
Cholinesterases
Digestive System
Exocrine Glands
Hydrogen-Ion Concentration
Kinetics
Physostigmine
Snails
Temperature
Abstract
Cholinesterase (ChE) activity was measured in the central nervous system (CNS) and in the digestive gland of the pestiferous land snail Achatinafulica Bowdich, by the method of Huegra et al. (1952). Acetylcholinesterase (AChE), and benzoylcholinesterase (BeChE) activity was higher in the former than in the latter. The complete inhibition of the enzyme activity with 10(-2) M eserine indicates that the ChE examined is AChE. The Km values of the AChE from the digestive gland and the CNS were 3.1 x 10(-5) and 9.0 x 10(-5) (M), respectively. The enzyme is the most active at pH 8.2 and 37 degrees C up to 60 min.
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Acta Biol Acad Sci HungActa biologica Academiae Scientiarum Hungaricae
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