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.
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Abbreviations
- 16S rRNA:
-
16S ribosomal ribonucleic acid
- 16S:
-
the 16S rRNA gene
References
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© 1996 Springer Science+Business Media Dordrecht
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Eardly, B.D., Wang, FS., van Berkum, P. (1996). Corresponding 16S rRNA gene segments in Rhizobiaceae and Aeromonas yield discordant phylogenies. In: Elkan, G.H., Upchurch, R.G. (eds) Current Issues in Symbiotic Nitrogen Fixation. Developments in Plant and Soil Sciences, vol 72. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5700-1_9
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DOI: https://doi.org/10.1007/978-94-011-5700-1_9
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