Regulation of the phytoplankton heme b iron pool during the North Atlantic spring bloom

• Published in: Frontiers in Microbiology
• Main Authors: Louropoulou, E, Gledhill, M, Browning, TJ, Desai, DK, Menzel Barraqueta, J-L, Tonnard, M, Sarthou, G, Planquette, H, Bowie, AR, Schmitz, RA, LaRouche, J, Achterberg, EP
• Format: Article in Journal/Newspaper
• Language: English
• Published: Frontiers Research Foundation 2019
• Subjects: Earth Sciences; Oceanography; Chemical Oceanography; Irminger Basin; Iceland; Labrador Sea; North Atlantic
• Online Access: https://doi.org/10.3389/fmicb.2019.01566; http://ecite.utas.edu.au/133887

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 section...