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Research Article

Cyanobacteria Produce N-(2-Aminoethyl)Glycine, a Backbone for Peptide Nucleic Acids Which May Have Been the First Genetic Molecules for Life on Earth

  • Sandra Anne Banack,

    Affiliation: Institute for Ethnomedicine, Jackson, Wyoming, United States of America

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  • James S. Metcalf,

    Affiliation: Institute for Ethnomedicine, Jackson, Wyoming, United States of America

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  • Liying Jiang,

    Affiliation: Department of Analytical Chemistry, Stockholm University, Stockholm, Sweden

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  • Derek Craighead,

    Affiliation: Craighead Beringia South, Kelly, Wyoming, United States of America

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  • Leopold L. Ilag,

    Affiliation: Department of Analytical Chemistry, Stockholm University, Stockholm, Sweden

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  • Paul Alan Cox mail

    paul@ethnomedicine.org

    Affiliation: Institute for Ethnomedicine, Jackson, Wyoming, United States of America

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  • Published: November 07, 2012
  • DOI: 10.1371/journal.pone.0049043

About the Authors

Sandra Anne Banack, James S. Metcalf, Paul Alan Cox
Institute for Ethnomedicine, Jackson, Wyoming, United States of America
Liying Jiang, Leopold L. Ilag
Department of Analytical Chemistry, Stockholm University, Stockholm, Sweden
Derek Craighead
Craighead Beringia South, Kelly, Wyoming, United States of America

Corresponding Author

Email: paul@ethnomedicine.org

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SAB JSM PAC. Performed the experiments: SAB JSM LJ LLI. Analyzed the data: SAB JSM LJ LLI. Contributed reagents/materials/analysis tools: SAB JSM DC PAC. Wrote the paper: SAB JSM LLI PAC.