Evidence for horizontal transfer of 1-aminocyclopropane-1-carboxylate deaminase genes |
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| Authors: | Hontzeas N Richardson A O Belimov A Safronova V Abu-Omar M M Glick B R |
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| Institution: | Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907, USA. nhontzea@purdue.edu |
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| Abstract: | PCR was used to rapidly identify and isolate 1-aminocyclopropane-1-carboxylate (ACC) deaminase genes from bacteria. The Shimodaira-Hasegawa test was used to assess whether phylogenetically anomalous gene placements suggestive of horizontal gene transfer (HGT) were significantly favored over vertical transmission. The best maximum likelihood (ML) ACC deaminase tree was significantly more likely than four alternative ML trees, suggesting HGT. |
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