Regulation of the Phytoplankton Heme b Iron Pool During the North Atlantic Spring Bloom

• Published in: Frontiers in Microbiology
• Main Authors: Louropoulou, Evangelia, Gledhill, Martha, Browning, Thomas J., Desai, Dhwani K., Barraqueta, Jan-Lukas Menzel, Tonnard, Manon, Sarthou, Géraldine, Planquette, Hélène, Bowie, Andrew R., Schmitz, Ruth A., LaRoche, Julie, Achterberg, Eric P.
• Format: Text
• Language: English
• Published: Frontiers Media S.A. 2019
• Subjects: Microbiology; Irminger Basin; Iceland; Labrador Sea; North Atlantic
• Online Access: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6637849/; http://www.ncbi.nlm.nih.gov/pubmed/31354666; https://doi.org/10.3389/fmicb.2019.01566

Heme b is an iron-containing co-factor in hemoproteins. Heme b concentrations are low (<1 pmol L(-1)) in iron limited phytoplankton in cultures and in the field. Here, we determined heme b in marine particulate material (>0.7 μm) from the North Atlantic Ocean (GEOVIDE cruise – GEOTRACES sectio...