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Science 20 June 1969:
Vol. 164. no. 3886, p. 1414
DOI: 10.1126/science.164.3886.1414
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Articles

Escherichia coli: Strains That Excrete an Inhibitor of Colicin B

Sonia K. Guterman 1 and S. E. Luria 1

1 Department of Biology, Massachusetts Institute of Technology, Cambridge

Mutants exb of Escherichia coli are insensitive to colicin B and excrete into their culture media a material that inhibits colicin activity and that appears to be the bacterial lipopolysaccharide.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)