Growth of the Cellular Slime Mold, Dictyostelium discoideum, Is Gravity Dependent | Zendy

Yukishige Kawasaki | Zendy; Takeshi Kiryu | Zendy; Kenji Usui | Zendy; Hiroshi Mizutani | Zendy

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Growth of the Cellular Slime Mold, Dictyostelium discoideum, Is Gravity Dependent

Author(s) -

Yukishige Kawasaki,

Takeshi Kiryu,

Kenji Usui,

Hiroshi Mizutani

Publication year - 1990

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.93.4.1568

Subject(s) - hypergravity , dictyostelium discoideum , slime mold , spore , biology , microbiology and biotechnology , botany , biophysics , chemistry , astrobiology , biochemistry , gene

The effect of artificial gravity on the growth of a microorganism, Dictyostelium discoideum, was studied and the following results were obtained: (a) Germination efficiency increased as gravity increased up to 3 gravities. (b) Cell differentiation was influenced by gravity. Retardation of spore formation or reduction in the spore fraction was observed at hypergravity. (c) Fruiting bodies were taller at hypergravity and smaller at simulated microgravity when compared at 1 gravity. It is suggested that modulation of gravity provides useful information on the mechanisms of life.

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