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Planta

, Volume 210, Issue 1, pp 157–164 | Cite as

Alfalfa and tobacco cells react differently to chitin oligosaccharides and Sinorhizobium meliloti nodulation factors

  • Ruth Baier
  • Karin Schiene
  • Bodo Kohring
  • Erwin Flaschel
  • Karsten Niehaus
Article

Abstract.

Alfalfa (Medicago sativa L.) suspension cultures respond to yeast elicitors with a strong alkalinization of the culture medium, a transient synthesis of activated oxygen species, and typical late defence reactions such as phytoalexin accumulation and increased peroxidase activity. The alkalinization reaction as well as the oxidative burst were also observed when tobacco (Nicotiana tabacum L.) cell-suspension cultures were treated with yeast elicitors. Depending on the degree of polymerization, N-acetyl chitin oligomers induced the alkalinization response in both plant cell-suspension cultures, while only tobacco cell cultures developed an oxidative burst. Suspension-cultured tobacco cells responded to Sinorhizobium meliloti nodulation factors with a maximal alkalinization of 0.25 pH units and a remarkable oxidative burst. In contrast, addition of Sinorhizobium meliloti nodulation factors to suspension-cultured alfalfa cells induced a slight acidification of the culture medium, instead of an alkalinization, but no oxidative burst.

Key words: Chitin elicitor Medicago Nicotiana Nod factors Oxidative burst Yeast elicitor 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • Ruth Baier
    • 1
  • Karin Schiene
    • 1
  • Bodo Kohring
    • 2
  • Erwin Flaschel
    • 2
  • Karsten Niehaus
    • 1
  1. 1.Universität Bielefeld, Fakultät für Biologie, Lehrstuhl für Genetik, Postfach 100131, D-33501 Bielefeld, GermanyDE
  2. 2.Universität Bielefeld, Technische Fakultät, Lehrstuhl für Fermentationstechnik, Postfach 100131, D-33501 Bielefeld, GermanyDE

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