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Comparative analysis of perennial and annual Phaseolus seed nutrient concentrations

Heather E. Schier, Kathrin A. Eliot, Sterling A. Herron, Lauren K. Landfried, Zoë Migicovsky, Matthew J. Rubin, View ORCID ProfileAllison J. Miller
doi: https://doi.org/10.1101/612010
Heather E. Schier
1Saint Louis University, Department of Nutrition and Dietetics, 3437 Caroline Street, St. Louis, MO 63104, USA
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Kathrin A. Eliot
1Saint Louis University, Department of Nutrition and Dietetics, 3437 Caroline Street, St. Louis, MO 63104, USA
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Sterling A. Herron
2Saint Louis University, Department of Biology, 3507 Laclede Ave., St. Louis, MO 63103, USA
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Lauren K. Landfried
1Saint Louis University, Department of Nutrition and Dietetics, 3437 Caroline Street, St. Louis, MO 63104, USA
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Zoë Migicovsky
3Dalhousie University, Department of Plant and Animal Sciences, Faculty of Agriculture, Truro, Nova Scotia, B2N 5E3, Canada
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Matthew J. Rubin
4Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO, 63132, USA
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Allison J. Miller
2Saint Louis University, Department of Biology, 3507 Laclede Ave., St. Louis, MO 63103, USA
4Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO, 63132, USA
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  • ORCID record for Allison J. Miller
  • For correspondence: allison.j.miller@slu.edu
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ABSTRACT

Malnutrition is a global public health concern and identifying mechanisms to elevate the nutrient output of crops may minimize nutrient deficiencies. Perennial grains within an agroforestry context offers one solution. The development and integration of perennial crops for food has critically influenced dialogue on the ecological intensification of agriculture and agroforestry. However, the nutrient compositions of wild, perennial, herbaceous species, such as those related to the common bean (Phaseolus vulgaris) are not well known. In this study, seed amino acid and ion concentrations of perennial and annual Phaseolus species were quantified using ionomics and mass spectrometry. No statistical difference was observed for Zn, toxic ions (e.g. As) or essential amino acid concentrations (except threonine) between perennial and annual Phaseolus species. However, differences were observed for some nutritionally important ions among and within lifespan groups. Ca, Cu, Fe, Mg, Mn, and P concentrations were higher in annual species. Intraspecific variability in ion concentrations and amino acids was observed within species; further, ion concentrations and amino acids differ among annual species and among perennial species. Ion and amino acid concentration appear to be largely independent of each other. These results suggest variability in ion and amino acid concentrations exist in nature. As new crop candidates are considered for ecological services, nutritional quality should be optimized to maximize nutrient output of sustainable food crops.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
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Posted April 17, 2019.
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Comparative analysis of perennial and annual Phaseolus seed nutrient concentrations
Heather E. Schier, Kathrin A. Eliot, Sterling A. Herron, Lauren K. Landfried, Zoë Migicovsky, Matthew J. Rubin, Allison J. Miller
bioRxiv 612010; doi: https://doi.org/10.1101/612010
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Comparative analysis of perennial and annual Phaseolus seed nutrient concentrations
Heather E. Schier, Kathrin A. Eliot, Sterling A. Herron, Lauren K. Landfried, Zoë Migicovsky, Matthew J. Rubin, Allison J. Miller
bioRxiv 612010; doi: https://doi.org/10.1101/612010

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