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., Menzel Barraqueta, Jan-Lukas, Tonnard, Manon, Sarthou, Géraldine, Planquette, Hélène, Bowie, Andrew R., Schmitz, Ruth A., LaRoche, Julie, Achterberg, Eric P.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Frontiers 2019
• Subjects: Irminger Basin; Iceland; Labrador Sea; North Atlantic
• Online Access: https://oceanrep.geomar.de/id/eprint/47195/; https://oceanrep.geomar.de/id/eprint/47195/1/fmicb-10-01566.pdf; https://oceanrep.geomar.de/id/eprint/47195/2/Data_Sheet_1_Regulation%20of%20the%20Phytoplankton%20Heme%20b%20Iron%20Pool%20During%20the%20North%20Atlantic%20Spring%20Bloom.zip; 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 section...