Lobes on Alnus glutinosa nodules contain a single major ribotype of Frankia

Neil McEwan, Timothy John Snelling, Tatiana Collins, Susan Girdwood, Toby Wilkinson, Kirsty Dougal, David Jones, Douglas Godbold

Research output: Contribution to journalArticlepeer-review


This work investigated the microbial content of nodules from alders to determine how many ribotypes of Frankia were present and which, if any, other bacteria existed within nodes from the nodules. The bacterial content of alder nodules was investigated by 454 sequencing of 16S rDNA genes. Over half of the sequences were from a single ribotype of Frankia, with nearly all other sequences coming from the chloroplast of the host plant, and other sequences (including other ribotypes of Frankia) being at < 1%. It is concluded that a single ribotype of Frankia is the major, although not unique, bacterium present in an individual lobe from an alder nodule.
Original languageEnglish
Pages (from-to)083-086
Number of pages4
JournalJournal of Endocytobiosis and Cell Research
Publication statusPublished - 2015


  • Alnus glutinosa
  • bacterial diversity
  • Frankia
  • nodules
  • 454 sequencing


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