PMID: 16642787Apr 29, 2006Paper

Feedback hypothesis and the effects of altered gravity on formation and function of gravireceptors of mollusks and fish

Archives italiennes de biologie
A V Kondrachuk, R D Boyle

Abstract

Popular hypothesis based on the idea of simple feedback mechanism that correlates gravity level and weight of test mass cannot explain the variety of the effects of altered gravity on development and function of gravireceptors. The reaction of organisms to the change of gravity depends on the gravisensitivity of the physical and chemical processes corresponding to specific phases of development and may have no relation to any feedback mechanisms of compensation of altered weight of the test mass. The present work analyzes the hypothesis of feedback and shows the ambiguity of possible effects of the altered gravity on formation and function of gravireceptors basing on the data from mollusks and fish.

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