Association·nasa

Microgravity decreases stem circumnutations

Claim that microgravity reduces the amplitude of circumnutations in Arabidopsis stems, as seen in spaceflight experiments.

Confidence
80%
active

Evidence Quote

Microgravity decreases circumnutations in Arabidopsis stems

Relationship

microgravity decreases Arabidopsis stem circumnutations

Evidence

Reference to Johnsson et al. (2009), New Phytol 182:621–629, reporting that gravity amplifies and microgravity decreases circumnutations in Arabidopsis stems in space.

(2009). Gravity amplifies and microgravity decreases circumnutations in Arabidopsis thaliana stems: results from a space experiment

Reference discussing plant gravitropic responses and mechanisms under altered gravity.

Merkys, A. and Darginaviciene, J. (1997) Plant gravitropic response. Adv Space Biol Med 6:213–230.

Reference on callus tissue formation and growth of Arabidopsis under altered gravity conditions.

Merkys, A.J., Laurinavicius, R.S., Kenstaviciene, P.F., and Necetailo, G.S. (1989) Formation and growth of callus tissue of Arabidopsis under changed gravity. Adv Space Res 9:37–40.