Additional file 2.

Phylogenetic tree analysis of the MIP family. This figure shows the result of phylogenetic tree analysis of MIP, one example of the 162 families in the Medicago truncatula transporter database. Individual members of the MIP family were further clustered and color-coded based on the result of phylogenetic analysis and TC numbering system. As observed in Arabidopsis, M. truncatula MIPs also can be classified into four groups: NIP, SIP, PIP, and TIP. Green markers refer to Arabidopsis thaliana sequences. Red markers refer to M. truncatula sequences.

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Miao et al. BMC Genomics 2012 13:60   doi:10.1186/1471-2164-13-60