1887

Abstract

SUMMARY: A simple chemically defined medium for examining the motility of K12 was designed. The essential components were: (1) a chelating agent to protect the motility against inhibition by traces of heavy metal ions; (2) a buffer to keep the pH value at the optimum between pH 6·0 and 7·5; (3) an energy source to stimulate the motility above that allowed by an endogenous energy source. Oxygen was required unless an energy source was provided which yielded energy anaerobically. A temperature optimum was determined.

A chemically defined growth medium capable of producing motile bacteria was devised. It was found that the presence of glucose or growth above 37° prevented synthesis of flagella.

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/content/journal/micro/10.1099/00221287-46-2-175
1967-02-01
2019-10-17
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-46-2-175
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