FAQ

negative gravitaxis

Known as: negative taxis in response to gravitytaxis in response to gravitational stimulus, negative gravitactic behavior, negative geotactic behaviour 
The directed movement of a motile cell or organism away from the source of gravity. [GOC:jid]
National Institutes of Health

Topic mentions per year

Topic mentions per year

1985-2017
02419852017

Papers overview

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2003
2003
Gravitaxis in Chlamydomonas reinhardtii studied with novel mutants.
Many free-swimming unicellular organisms show negative gravitaxis, i.e. tend to swim upward, although their specific densities… (More)
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2002
2002
Physiological parameters of gravitaxis in the flagellate Euglena gracilis obtained during a parabolic flight campaign.
The unicellular freshwater flagellate Euglena gracilis and its close relative Astasia longa show a pronounced negative gravitaxis… (More)
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2002
2002
Physiological characterization of gravitaxis in Euglena gracilis.
The motile, unicellular freshwater flagellate Euglena gracilis uses external stimuli, like gravity, light or oxygen pressure in… (More)
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2002
2002
Protection of negative gravitaxis in Euglena gracilis Z against gamma-ray irradiation by Trolox C.
The protective effects of Trolox on the inhibition of negative gravitaxis in Euglena gracilis exposed to 200 Gy 60Co gamma-rays… (More)
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2000
2000
Effects of light on gravitaxis and velocity in Chlamydomonas reinhardtii.
The effects of light on gravitaxis and velocity in the bi-flagellated green alga Chlamydomonas reinhardtii were investigated… (More)
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1995
1995
Gravitaxis in the flagellate Euglena gracilis is controlled by an active gravireceptor.
Gravitactic orientation was investigated in the unicellular photosynthetic flagellate, Euglena gracilis, under different… (More)
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1991
1991
Dependence of gravitaxis in Paramecium on oxygen.
Gravitaxis of Paramecium at different oxygen concentrations is analyzed by means of a computer controlled image-analysis system… (More)
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1988
1988
Diaphototaxis and gravitaxis in a freshwater Cryptomonas.
Phototaxis and gravitaxis are characterized in a freshwater species of the flagellate Cryptomonas. The phototactic orientation in… (More)
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1987
1987
Polarotaxis, gravitaxis and vertical phototaxis in the green flagellate, Euglena gracilis
A fully automatic computer-controlled video analysis system has been used to study the movement of the green unicellular… (More)
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1985
1985
Negative Geotactic Behavior of Paramecium Caudatum is Completely Described by the Mechanism of Buoyancy-Oriented Upward Swimming.
This paper presents evidence that the negative geotactic behavior of Paramecium caudatum takes place by the mechanism of buoyancy… (More)
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