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Genome sequencing

The ABC of symbiosis

The latest bacterial genome to be completely sequenced has three separate parts and as many genes as yeast. The bacterium needs these genes for its complex life in and around its legume plant partner.

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Figure 1: The three components of the Sinorhizobium meliloti genome8,9,10,11: a chromosome and two megaplasmids.

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Downie, J., Young, J. The ABC of symbiosis. Nature 412, 597–598 (2001). https://doi.org/10.1038/35088167

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