Tracy Punshon

Summary

Affiliation: Dartmouth Medical School
Country: USA

Publications

  1. doi request reprint High-resolution elemental mapping of human placental chorionic villi using synchrotron X-ray fluorescence spectroscopy
    Tracy Punshon
    Dartmouth College, 78 College Street, Hanover, NH, 03755, USA
    Anal Bioanal Chem 407:6839-50. 2015
  2. pmc Methodological approaches for using synchrotron X-ray fluorescence (SXRF) imaging as a tool in ionomics: examples from Arabidopsis thaliana
    Tracy Punshon
    Dartmouth College, Department of Biological Sciences, Life Science Center, 78 College Street, Hanover, NH 03755, USA
    Metallomics 5:1133-45. 2013
  3. pmc The role of CAX1 and CAX3 in elemental distribution and abundance in Arabidopsis seed
    Tracy Punshon
    Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, USA
    Plant Physiol 158:352-62. 2012
  4. pmc Using synchrotron X-ray fluorescence microprobes in the study of metal homeostasis in plants
    Tracy Punshon
    Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA
    Ann Bot 103:665-72. 2009
  5. pmc Diet and toenail arsenic concentrations in a New Hampshire population with arsenic-containing water
    Kathryn L Cottingham
    Department of Biological Sciences, Dartmouth College, Hanover, NH, USA
    Nutr J 12:149. 2013
  6. pmc Rice consumption and urinary arsenic concentrations in U.S. children
    Matthew A Davis
    Institute for Quantitative Biomedical Sciences, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03756, USA
    Environ Health Perspect 120:1418-24. 2012
  7. pmc Associations between toenail arsenic concentration and dietary factors in a New Hampshire population
    Joann F Gruber
    Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA
    Nutr J 11:45. 2012
  8. pmc Arsenic, organic foods, and brown rice syrup
    Brian P Jackson
    Trace Element Analysis Core Laboratory, Department of Earth Sciences, Dartmouth College, Hanover, New Hampshire 03755, USA
    Environ Health Perspect 120:623-6. 2012
  9. ncbi request reprint Localization of iron in Arabidopsis seed requires the vacuolar membrane transporter VIT1
    Sun A Kim
    Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA
    Science 314:1295-8. 2006
  10. pmc Estimated exposure to arsenic in breastfed and formula-fed infants in a United States cohort
    Courtney C Carignan
    Children s Environmental Health and Disease Prevention Research Center at Dartmouth, Hanover, New Hampshire, USA
    Environ Health Perspect 123:500-6. 2015

Collaborators

Detail Information

Publications15

  1. doi request reprint High-resolution elemental mapping of human placental chorionic villi using synchrotron X-ray fluorescence spectroscopy
    Tracy Punshon
    Dartmouth College, 78 College Street, Hanover, NH, 03755, USA
    Anal Bioanal Chem 407:6839-50. 2015
    ..Thawing of tissue held at -80 °C in a GTA-HEPES solution provided high-quality visual images and elemental images. ..
  2. pmc Methodological approaches for using synchrotron X-ray fluorescence (SXRF) imaging as a tool in ionomics: examples from Arabidopsis thaliana
    Tracy Punshon
    Dartmouth College, Department of Biological Sciences, Life Science Center, 78 College Street, Hanover, NH 03755, USA
    Metallomics 5:1133-45. 2013
    ..We use synchrotron X-ray microprobes as a technique of choice, which can now be used to image all parts of an Arabidopsis plant in a hydrated state. We present elemental images of leaves, stem, root, siliques and germinating hypocotyls. ..
  3. pmc The role of CAX1 and CAX3 in elemental distribution and abundance in Arabidopsis seed
    Tracy Punshon
    Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, USA
    Plant Physiol 158:352-62. 2012
    ..This work highlights a powerful technology for inferring transport function and quantifying nutrient changes...
  4. pmc Using synchrotron X-ray fluorescence microprobes in the study of metal homeostasis in plants
    Tracy Punshon
    Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA
    Ann Bot 103:665-72. 2009
    ..This Botanical Briefing reviews the application of synchrotron X-ray fluorescence (SXRF) microprobes to the plant sciences; how the technique has expanded our knowledge of metal(loid) homeostasis, and how it can be used in the future...
  5. pmc Diet and toenail arsenic concentrations in a New Hampshire population with arsenic-containing water
    Kathryn L Cottingham
    Department of Biological Sciences, Dartmouth College, Hanover, NH, USA
    Nutr J 12:149. 2013
    ..Foods known to be high in arsenic, including rice and seafood, were of particular interest...
  6. pmc Rice consumption and urinary arsenic concentrations in U.S. children
    Matthew A Davis
    Institute for Quantitative Biomedical Sciences, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03756, USA
    Environ Health Perspect 120:1418-24. 2012
    ..In adult populations, emerging evidence indicates that humans are exposed to arsenic by ingestion of contaminated foods such as rice, grains, and juice; yet little is known about arsenic exposure among children...
  7. pmc Associations between toenail arsenic concentration and dietary factors in a New Hampshire population
    Joann F Gruber
    Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA
    Nutr J 11:45. 2012
    ..However, the effects of dietary factors on toenail arsenic concentrations in well-nourished populations exposed to relatively low levels of water arsenic are unknown...
  8. pmc Arsenic, organic foods, and brown rice syrup
    Brian P Jackson
    Trace Element Analysis Core Laboratory, Department of Earth Sciences, Dartmouth College, Hanover, New Hampshire 03755, USA
    Environ Health Perspect 120:623-6. 2012
    ..Organic brown rice syrup (OBRS) is used as a sweetener in organic food products as an alternative to high-fructose corn syrup. We hypothesized that OBRS introduces As into these products...
  9. ncbi request reprint Localization of iron in Arabidopsis seed requires the vacuolar membrane transporter VIT1
    Sun A Kim
    Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA
    Science 314:1295-8. 2006
    ..We have uncovered a fundamental aspect of seed biology that will ultimately aid the development of nutrient-rich seed, benefiting both human health and agricultural productivity...
  10. pmc Estimated exposure to arsenic in breastfed and formula-fed infants in a United States cohort
    Courtney C Carignan
    Children s Environmental Health and Disease Prevention Research Center at Dartmouth, Hanover, New Hampshire, USA
    Environ Health Perspect 123:500-6. 2015
    ..However, it is uncertain whether breastfeeding leads to reduced infant exposure to arsenic in regions with lower arsenic concentrations...
  11. pmc Contrasting calcium localization and speciation in leaves of the Medicago truncatula mutant cod5 analyzed via synchrotron X-ray techniques
    Tracy Punshon
    Life Sciences Center, Dartmouth College, Hanover, NH, 03755, USA
    Plant J 76:627-33. 2013
    ..e. crystalline or amorphous, only amorphous CaOx was present in cod5. These results demonstrate that deletion of COD5 changes both Ca localization and the form of CaOx within leaflets...
  12. doi request reprint Placental arsenic concentrations in relation to both maternal and infant biomarkers of exposure in a US cohort
    Tracy Punshon
    Dartmouth College, Hanover, New Hampshire, USA
    J Expo Sci Environ Epidemiol 25:599-603. 2015
    ..30, P value 0.0196) and infant toenails (β 0.40, P value 0.0293) and household drinking water (β 0.09, P value <0.0001). Thus, our data suggest that placenta arsenic concentrations reflect both maternal and infant exposures. ..
  13. doi request reprint Placental Metal Concentrations in Relation to Maternal and Infant Toenails in a U.S. Cohort
    Tracy Punshon
    Dartmouth College, Hanover, New Hampshire 03755, United States
    Environ Sci Technol 50:1587-94. 2016
    ..Placental metal concentrations may represent a distinct biomarker of metal exposure and adverse health impacts to the fetus, particularly those stemming from the placenta. ..
  14. pmc Rice consumption contributes to arsenic exposure in US women
    Diane Gilbert-Diamond
    Children s Environmental Health and Disease Prevention Center at Dartmouth, Hanover, NH 03755, USA
    Proc Natl Acad Sci U S A 108:20656-60. 2011
    ..Our findings along with others indicate that rice consumption should be considered when designing arsenic reduction strategies in the United States...
  15. doi request reprint Bypassing Iron Storage in Endodermal Vacuoles Rescues the Iron Mobilization Defect in the natural resistance associated-macrophage protein3natural resistance associated-macrophage protein4 Double Mutant
    Viviane Mary
    Institute for Integrative Biology of the Cell, Saclay Plant Sciences, Université Paris Saclay, Commissariat a l Energie Atomique, Centre National de la Recherche Scientifique, Universite Paris Sud, F 91198 Gif sur Yvette, France V M, M S R, C G, J G, A A, S M, C C, S T andDepartment of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755 A L S, S A K, T P, M L G
    Plant Physiol 169:748-59. 2015
    ..Moreover, analysis of subcellular Fe localization indicates that simultaneous disruption of AtVIT1, AtNRAMP3, and AtNRAMP4 limits Fe accumulation in vacuolar globoids. ..