Katherine Barbeau

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Katherine Barbeau
Alma materMassachusetts Institute of Technology
Woods Hole Oceanographic Institution
Scientific career
ThesisInfluence of protozoan grazing on the marine geochemistry of particle reactive trace metals (1998)

Katherine Barbeau is a professor at Scripps Institution of Oceanography known for her work on trace metals and the linkages between trace metals and biology.

Education and career

Barbeau graduated from Mercy High School in Middleton, Connecticut.[1] She has a B.S. from Southampton College (1991), and then moved to the Université libre de Bruxelles for one year.[2] She earned a Ph.D. from the Massachusetts Institute of Technology and Woods Hole Oceanographic Institution in 1998. Following her Ph.D. she was a postdoctoral researcher at the University of California, Santa Barbara until 2001 when she joined the faculty at Scripps Institution of Oceanography.[2]

Research

Barbeau is known for her work on trace metals, and how marine microorganisms interact with trace metals. Her early work examined how protozoan grazers relieve iron limitation in phytoplankton.[3] Through this research, Barbeau developed new analytical methods,[4] which she applied in the field.[5] Her subsequent research has examined photochemical interactions with metal compounds[6][7] and iron limitation in the California Current.[8][9] Her research has also investigated copper levels in the Pacific Ocean,[10] organic compounds that bind to metals in estuaries,[11][12] and the mechanisms used by bacteria to incorporate metals such as iron into the cell[13][14]

Katherine Barbeau continues to have her research interests lie in Biogeochemical cycling of trace metals in marine systems(focusing specifically on the Fe,Ni, and Cu metals), Biological transformations of trace metal speciation (the acquisition of trace metals), photochemical redox reactions of trace metals, and metals as limiting or co-limiting micronutrients in marine systems.[15]

Selected publications

Awards and honors

  • NASA new investigator (2002)[2]
  • Scripps Institution of Oceanography excellence in teaching (2012)[2]

References

  1. ^ Yalesville resident named Mercy High valedictorian. Record-Journal. June 13, 1987.
  2. ^ a b c d "Barbeau biography". Katherine Barbeau. Retrieved 2022-04-20.
  3. ^ Barbeau, Katherine; Moffett, James W.; Caron, David A.; Croot, Peter L.; Erdner, Deana L. (1996). "Role of protozoan grazing in relieving iron limitation of phytoplankton". Nature. 380 (6569): 61–64. Bibcode:1996Natur.380...61B. doi:10.1038/380061a0. ISSN 0028-0836. S2CID 4272661.
  4. ^ Barbeau, Katherine A.; Moffett, James W. (1998-10-01). "Dissolution of Iron Oxides by Phagotrophic Protists: Using a Novel Method To Quantify Reaction Rates". Environmental Science & Technology. 32 (19): 2969–2975. Bibcode:1998EnST...32.2969B. doi:10.1021/es9802549. ISSN 0013-936X.
  5. ^ Barbeau, K.; Moffett, J. W. (2000). "Laboratory and field studies of colloidal iron oxide dissolution as mediated by phagotrophy and photolysis". Limnology and Oceanography. 45 (4): 827–835. Bibcode:2000LimOc..45..827B. doi:10.4319/lo.2000.45.4.0827. S2CID 98683522.
  6. ^ Barbeau, Katherine; Rue, Eden L.; Trick, Charles G.; Bruland, Kenneth W.; Butler, Alison (2003). "Photochemical reactivity of siderophores produced by marine heterotrophic bacteria and cyanobacteria based on characteristic Fe(III) binding groups". Limnology and Oceanography. 48 (3): 1069–1078. Bibcode:2003LimOc..48.1069B. doi:10.4319/lo.2003.48.3.1069. S2CID 12689785.
  7. ^ Barbeau, Katherine (2006). "Photochemistry of Organic Iron(III) Complexing Ligands in Oceanic Systems". Photochemistry and Photobiology. 82 (6): 1505–1516. doi:10.1562/2006-06-16-IR-935. ISSN 0031-8655. PMID 16968114. S2CID 19608553.
  8. ^ Hogle, Shane L.; Dupont, Christopher L.; Hopkinson, Brian M.; King, Andrew L.; Buck, Kristen N.; Roe, Kelly L.; Stuart, Rhona K.; Allen, Andrew E.; Mann, Elizabeth L.; Johnson, Zackary I.; Barbeau, Katherine A. (2018-12-26). "Pervasive iron limitation at subsurface chlorophyll maxima of the California Current". Proceedings of the National Academy of Sciences. 115 (52): 13300–13305. Bibcode:2018PNAS..11513300H. doi:10.1073/pnas.1813192115. ISSN 0027-8424. PMC 6310781. PMID 30530699.
  9. ^ King, Andrew L.; Barbeau, Katherine A. (2011-03-09). "Dissolved iron and macronutrient distributions in the southern California Current System". Journal of Geophysical Research. 116 (C3): C03018. Bibcode:2011JGRC..116.3018K. doi:10.1029/2010JC006324. ISSN 0148-0227.
  10. ^ Ruacho, Angel; Bundy, Randelle M.; Till, Claire P.; Roshan, Saeed; Wu, Jingfeng; Barbeau, Katherine A. (2020). "Organic dissolved copper speciation across the U.S. GEOTRACES equatorial Pacific zonal transect GP16". Marine Chemistry. 225: 103841. doi:10.1016/j.marchem.2020.103841. S2CID 225234094.
  11. ^ Bundy, Randelle M.; Abdulla, Hussain A.N.; Hatcher, Patrick G.; Biller, Dondra V.; Buck, Kristen N.; Barbeau, Katherine A. (2015). "Iron-binding ligands and humic substances in the San Francisco Bay estuary and estuarine-influenced shelf regions of coastal California". Marine Chemistry. 173: 183–194. doi:10.1016/j.marchem.2014.11.005.
  12. ^ Bundy, Randelle M.; Barbeau, Katherine A.; Buck, Kristen N. (2013). "Sources of strong copper-binding ligands in Antarctic Peninsula surface waters". Deep Sea Research Part II: Topical Studies in Oceanography. 90: 134–146. Bibcode:2013DSRII..90..134B. doi:10.1016/j.dsr2.2012.07.023.
  13. ^ Manck, Lauren E.; Espinoza, Josh L.; Dupont, Christopher L.; Barbeau, Katherine A. (2020-04-28). Alegado, Rosie (ed.). "Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii". mSystems. 5 (2): e00070–20. doi:10.1128/mSystems.00070-20. ISSN 2379-5077. PMC 7190382. PMID 32345736.
  14. ^ Coale, Tyler H.; Moosburner, Mark; Horák, Aleš; Oborník, Miroslav; Barbeau, Katherine A.; Allen, Andrew E. (2019-11-19). "Reduction-dependent siderophore assimilation in a model pennate diatom". Proceedings of the National Academy of Sciences. 116 (47): 23609–23617. Bibcode:2019PNAS..11623609C. doi:10.1073/pnas.1907234116. ISSN 0027-8424. PMC 6876252. PMID 31685631.
  15. ^ "Home". KATHERINE BARBEAU. Retrieved 2023-04-11.
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