REGULATION OF NEWLY EVOLVED ENZYMES II. THE EBG REPRESSOR

Author:

Hall Barry G1,Hartl Daniel L2

Affiliation:

1. Faculty of Medicine, Memorial University of Newfoundland, St. John's, Newfoundland, Canada A1C 5S7

2. Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47907

Abstract

ABSTRACT The ebg (evolved β-galactosidase) regulatory locus has been mapped. The map order is argG-ebgA-ebgR-tolC-metC, and there is 1.6% recombination between ebgR and ebgA. Studies with ebgR-/ebgR+ merdiploids have shown that ebgR- is recessive, and it is concluded that the synthesis of ebg enzyme is under negative control.

Publisher

Oxford University Press (OUP)

Subject

Genetics

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