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The effect of rhizobiophages on<Emphasis Type="Italic"> Sinorhizobium meliloti</Emphasis> -<Emphasis Type="Italic"> Medicago sativa</Emphasis> symbiosis |
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| Authors: | Mieczys?aw?Kowalski |
| Institution: | (1) Department of General Microbiology, M. Curie-Sk odowska University, 19 Akademicka St., 20-033 Lublin, Poland |
| Abstract: | Using Tn5 mutagenesis of lysogenic Sinorhizobium meliloti strain L5–30 ( L54), three neomycin-resistant transconjugants differing in phage-resistance profiles were isolated. Two of them increased the dry weight of plants and were capable of establishing root nodules, whereas the third one was ineffective. The bacterium-phage interaction did not have observable consequences in the Medicago sativa - S. meliloti symbiosis because it did not affect the number of nodules on M. sativa or plant dry weight. |
| Keywords: | Alfalfa Medicago sativa Nitrogen fixation Phage resistance Rhizobiophages |
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