The GapA/B gene duplication marks the origin of Streptophyta (charophytes and land plants).

  title={The GapA/B gene duplication marks the origin of Streptophyta (charophytes and land plants).},
  author={J{\"o}rn Petersen and Ren{\'e} Teich and Burkhard Becker and R{\"u}diger Cerff and Henner Brinkmann},
  journal={Molecular biology and evolution},
  volume={23 6},
Independent evidence from morphological, ultrastructural, biochemical, and molecular data have shown that land plants originated from charophycean green algae. However, the branching order within charophytes is still unresolved, and contradictory phylogenies about, for example,the position of the unicellular green alga Mesostigma viride are difficult to reconcile. A comparison of nuclear-encoded Calvin cycle glyceraldehyde-3-phosphate dehydrogenases (GAPDH) indicates that a crucial duplication… CONTINUE READING


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