Isolation and characterization of non-Frankia actinobacteria from root nodules of alnus glutinosa, casuarina glauca and elaeagnus angustifolia

Faten Ghodhbane-Gtari, Imene Essoussi, Mayssa Chattaoui, Bessem Chouaia, Atef Jaouani, Daniele Daffonchio, Abdellatif Boudabous, Maher Gtari*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Actinobacterial isolates randomly obtained on nitrogen-free BAP medium from surface sterilized root nodules of Alnus glutinosa, Casuarina glauca and Elaeagnus angustifolia sampled from fields were reported. They were assigned on the basis of partial 16S rRNA sequences to Micromonospora, Nocardia and Streptomyces genera. The isolates have been screened for hydrolytic activities, indole acetic acid (IAA) and siderophores production, phosphate solubilization and antagonistic activities. Results suggest putative traits as plant growth promoting bacteria proprieties of the isolates that occur in unique association in root nodules of the three analysed actinorhizal host species.

Original languageEnglish (US)
Pages (from-to)51-57
Number of pages7
JournalSymbiosis
Volume50
Issue number1-2
DOIs
StatePublished - Feb 2010
Externally publishedYes

Keywords

  • 16S rDNA
  • Actinorhizal symbioses
  • Micromonospora
  • Nocardia
  • PGPR
  • Streptomyces

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

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