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Figure 3 | BMC Evolutionary Biology

Figure 3

From: Molecular evolution of psbA gene in ferns: unraveling selective pressure and co-evolutionary pattern

Figure 3

Selective pressures among 27 fern psbA sequences via the MEC model. Results from Selecton for psbA gene were run on 27 fern sequences with the MEC model [42]. The codons were marked according to the sequence from Platycerium bifurcatum (JQ684679). Nearly neutral codons were colored in white, negatively selected in magenta, and positively selected in yellow, respectively. Most codons were nearly neutral or under negative selection, only three (155 T, 351 V and 353 G) were positively selected.

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