Corresponding 16s rrna gene segments in rhizobiaceae and aeromonas yield discordant phylogenies

Bertrand D. Eardly, F. S. Wang, P. Van Berkum

Research output: Contribution to journalArticle

37 Scopus citations

Abstract

Previous evidence has indicated that the 16S rRNA genes in certain species of Aeromonas may have a history of lateral transfer and recombination. A comparative analysis of patterns of 16S nucleotide sequence polymorphism among species of Rhizobium and Agrobacterium was conducted to determine if there is similar evidence for chimeric 16S genes in members of the Rhizobiaceae. Results from phylogenetic analyses and comparison of patterns of nucleotide sequence polymorphism in portions of rhizobial 16S genes revealed the same type of segment-dependent polymorphic site partitioning that was previously reported for Aeromonas. These results support the hypothesis that certain 16S segments in rhizobia may have a history of lateral transfer and recombination.

Original languageEnglish (US)
Pages (from-to)69-74
Number of pages6
JournalPlant and Soil
Volume186
Issue number1
DOIs
StatePublished - Jan 1 1996

All Science Journal Classification (ASJC) codes

  • Soil Science
  • Plant Science

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