Occurrence of progesterone and related animal steroids in two higher plants.

@article{Pauli2010OccurrenceOP,
  title={Occurrence of progesterone and related animal steroids in two higher plants.},
  author={Guido F. Pauli and J. Brent Friesen and Tanja G{\"o}decke and N. R. Farnsworth and Bernhard Glodny},
  journal={Journal of natural products},
  year={2010},
  volume={73 3},
  pages={
          338-45
        }
}
Previously, the presence of a wide variety of chemically diverse steroids has been identified in both flora and fauna. Despite the relatively small differences in chemical structures and large differences in physiological function of steroids, new discoveries indicate that plants and animals are more closely related than previously thought. In this regard, the present study gathers supporting evidence for shared phylogenetic roots of structurally similar steroids produced by these two… 

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