Reports

Phototropic Inversion in Phycomyces

Science  05 May 1961:
Vol. 133, Issue 3462, pp. 1424-1425
DOI: 10.1126/science.133.3462.1424

Abstract

Transient reversed bending follows an adequate step-up in light intensity given a bending cell from any direction around its axis, yet the plane of the response is specifically that in which prior phototropic bending occurred. The cell "remembers" what it was doing and reverses this in the ensuing light-growth response. Antecedent asymmetric growth itself built the pattern for reversal.

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