Detection of chemotaxis in Azospirillum brasilense

Rina Barak*, I. Nur, Y. Okon

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Azospirillum brasilense strain Cd responded chemotactically to amino acids, sugars and organic acids. Chemotactic rings were observed in semisolid agar plates containing oxidizable substrates. Increasing sodium succinate concentration decreased the velocity of ring expansion. Chemotactic activity of Azospirillum was also examined by a newly developed technique using a channelled chamber. Varying the concentrations of aspartic and glutamic acids affected the chemotactic response of the bacteria. In both assays chemotaxis was obtained under conditions that prevented aerotaxis.

Original languageEnglish
Pages (from-to)399-403
Number of pages5
JournalJournal of Applied Bacteriology
Volume54
Issue number3
DOIs
StatePublished - Jun 1983

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