Arsenate-resistant alkaline phosphatase-constitutive mutants of Escherichia coli

Ezra Yagil; Hagit Be'eri

doi:10.1007/BF00330835

Arsenate-resistant alkaline phosphatase-constitutive mutants of Escherichia coli

Ezra Yagil^*, Hagit Be'eri

^*Corresponding author for this work

Biochemistry Molecular Biology

Tel Aviv University

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Abstract

When arsenate-resistant mutants are selected approximately 50 per cent of them are also consitutive for the synthesis of alkaline phosphatase and the Pi-binding protein. Some of these mutants are linked to ilv (phoS^- or phoT^-), others are linked to proC (phoR^-). One of the mutant strains linked to ilv lost the Pi-binding protein (the phoS gene product). Resistance to arsenate, constitutivty for alkaline phosphatase synthesis and loss of the Pi-binding protein occurred pleiotropically by the same phoS^- mutation.

Original language	English
Pages (from-to)	185-189
Number of pages	5
Journal	Molecular Genetics and Genomics
Volume	154
Issue number	2
DOIs	https://doi.org/10.1007/BF00330835
State	Published - Jan 1977

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AB - When arsenate-resistant mutants are selected approximately 50 per cent of them are also consitutive for the synthesis of alkaline phosphatase and the Pi-binding protein. Some of these mutants are linked to ilv (phoS- or phoT-), others are linked to proC (phoR-). One of the mutant strains linked to ilv lost the Pi-binding protein (the phoS gene product). Resistance to arsenate, constitutivty for alkaline phosphatase synthesis and loss of the Pi-binding protein occurred pleiotropically by the same phoS- mutation.

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Arsenate-resistant alkaline phosphatase-constitutive mutants of Escherichia coli

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