Function and evolution of a minimal plastid genome from a nonphotosynthetic parasitic plant.

  title={Function and evolution of a minimal plastid genome from a nonphotosynthetic parasitic plant.},
  author={Kenneth H. Wolfe and Clifford W. Morden and Jeffrey D. Palmer},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={89 22},
  • K. H. WolfeC. MordenJ. Palmer
  • Published 15 November 1992
  • Biology
  • Proceedings of the National Academy of Sciences of the United States of America
Complete nucleotide sequencing shows that the plastid genome of Epifagus virginiana, a nonphotosynthetic parasitic flowering plant, lacks all genes for photosynthesis and chlororespiration found in chloroplast genomes of green plants. The 70,028-base-pair genome contains only 42 genes, at least 38 of which specify components of the gene-expression apparatus of the plastid. Moreover, all chloroplast-encoded RNA polymerase genes and many tRNA and ribosomal protein genes have been lost. Since the… 

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