Loss of all plastid ndh genes in Gnetales and conifers: extent and evolutionary significance for the seed plant phylogeny

@article{Braukmann2009LossOA,
  title={Loss of all plastid ndh genes in Gnetales and conifers: extent and evolutionary significance for the seed plant phylogeny},
  author={Thomas Werner Anthony Braukmann and Maria L Kuzmina and Sa{\vs}a Stefanovi{\'c}},
  journal={Current Genetics},
  year={2009},
  volume={55},
  pages={323-337}
}
The exact phylogenetic position of Gnetales, a small, highly modified group of gymnosperms with an accelerated rate of molecular evolution, is one of the most challenging issues for seed plant systematics. Recent results from entire plastid genome (ptDNA) sequencing revealed the absence of the entire suite of plastid ndh genes in several species of Gnetales and the pine family (Pinaceae) potentially highlighting a major structural feature linking these two groups—concerted loss of all plastid… 

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