DNA sequence requirements for the regulation of immobilization antigen A expression in Paramecium tetraurelia.

Abstract

The Paramecium surface proteins (immobilization antigens) are expressed in a mutually exclusive manner; only one antigen is found on the cell surface at a time. Expression of these proteins is regulated in response to environmental cues such as temperature and pH. This regulation has been shown to be controlled at the level of mRNA abundance by… (More)

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