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Paramecium

Known as: Parameciums 
A genus of ciliate protozoa that is often large enough to be seen by the naked eye. Paramecia are commonly used in genetic, cytological, and other… 
National Institutes of Health

Related topics

Related topics

4 relations

Broader (1)

Ciliophora
Microbiologicalaspects of radiation effectsphysiological aspects

Papers overview

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Highly Cited
1992
Highly Cited
1992
Regulation of adenylyl cyclase from Paramecium by an intrinsic potassium conductance.
Hyperpolarization of the cell membrane of Paramecium stimulates adenosine 3',5'-monophosphate (cAMP) formation. Manipulations of… 
Highly Cited
1990
Highly Cited
1990
Okadaic acid, an inhibitor of protein phosphatase 1 in Paramecium, causes sustained Ca2(+)‐dependent backward swimming in response to depolarizing stimuli.
Backward swimming is a stereotypic behavioural response of Paramecium. It is triggered by depolarizing stimuli, which open… 
Highly Cited
1984
Highly Cited
1984
Actin microfilaments in paramecium: localization and role in intracellular movements.
Using heavy meromyosin (HMM) or the fragment S1 of myosin as probes for actin microfilaments, we studied their organization in… 
Highly Cited
1984
Highly Cited
1984
An anticalmodulin drug, W-7, inhibits the voltage-dependent calcium current in Paramecium caudatum.
The anticalmodulin drug, W-7 [N-(6 aminohexyl)-5-chloro-1-naphthalenesulphonamide] specifically inhibits the voltage-dependent Ca… 
Highly Cited
1979
Highly Cited
1979
Membrane potential changes during chemokinesis in Paramecium
Intracellular recordings show that (i) paramecia hyperpolarize slightly in attractants and depolarize in repellents that depend… 
Highly Cited
1977
Highly Cited
1977
Separation of membrane currents using a Paramecium mutant
The net membrane current of the electrically excitable membrane of Paramecium during step depolarisations was measured using… 
Highly Cited
1976
Highly Cited
1976
Artificial deciliation causes loss of calcium-dependent responses in Paramecium
WHEN a paramecium collides with an obstacle, it reverses the direction of the effective stroke of its cilia, swims backwards for… 
Highly Cited
1974
Highly Cited
1974
Intramembraneous changes on cationophore-triggered exocytosis in Paramecium
SECRETORY vesicles (‘trichocysts’) of Paramecium contain proteins1 which are discharged by exocytosis. In P. aurelia (mating type… 
Highly Cited
1973
Highly Cited
1973
Membrane specializations in the form of regular membrane-to-membrane attachment sites in Paramecium. A correlated freeze-etching and ultrathin-sectioning analysis.
The outer membrane complex of Paramecium was investigated by ultrathin-sectioning techniques and by freeze-etching of unfixed… 
Highly Cited
1947
Highly Cited
1947
The food-vacuole in Paramecium.
1. The feeding apparatus in Paramecium consists of a shallow ciliated groove, a ciliated tube which leads into the body, and a… 
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