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Figure 2 | BMC Biology

Figure 2

From: The complete chloroplast DNA sequences of the charophycean green algae Staurastrum and Zygnema reveal that the chloroplast genome underwent extensive changes during the evolution of the Zygnematales

Figure 2

Fragmentation of ancestral chloroplast gene clusters during the evolution of the Zygnematales. The ancestral clusters shown are found in both Mesostigma [GenBank:NC_002186] and Marchantia [GenBank:NC_001319] cpDNAs. The top and bottom arrows denote the sites where they are broken in Staurastrum and Zygnema cpDNAs, respectively. For the polarities of the genes relative to one another, the reader should consult the gene map of Mesostigma cpDNA [11].

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