Perception and signal transduction of Rhizobial NOD factors

E. Miklashevichs, H. Röhrig, J. Schell, J. Schmidt

Research output: Contribution to journalReview articlepeer-review

25 Citations (Scopus)

Abstract

Soil bacteria belonging to genera Rhizobium, Bradyrhizobium, Allorhizobium, Azorhizobium, Mesorhizobium, and Sinorhizobium are able to induce nodule formation on the roots of leguminous plants. In the differentiated root nodules bacteria fix as bacteroids atmospheric nitrogen and deliver it to the host plant. The interaction between bacteria and host plant starts with a complex signal exchange. After induction by plant flavonoids, rhizobia synthesize and secrete lipo-chitooligosaccharides (LCOs), known as Nod factors, which induce morphological changes and expression of early nodulin genes in the roots of host plants. Specific recognition of Nod factors by host plants and early stages of signal transduction are discussed.

Original languageEnglish
Pages (from-to)373-394
Number of pages22
JournalCritical Reviews in Plant Sciences
Volume20
Issue number4
DOIs
Publication statusPublished - 2001

Keywords*

  • Enod genes
  • Nod factors
  • Nodulation
  • Review
  • Signal transduction

Field of Science*

  • 1.6 Biological sciences

Publication Type*

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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