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Phylogenetic trees of Arabidopsis and tomato iron uptake homologs. Sequences were aligned using ClustalX. N-J Trees were generated; relative branch lengths are indicated. Arabidopsis sequences can be retrieved by their gene locus number from http://mips.gsf.de/proj/thal/db/search/search_frame.html. Tomato sequences can be retrieved using the TC numbers at http://www.tigr.org/tdb/tgi/lgi/searching/reports.html. The comparisons include homologs of IRT metal transporter (A) and NAS (B).
