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

• Published in: Frontiers in Microbiology
• Main Authors: Evangelia Louropoulou, Martha Gledhill, Thomas J. Browning, Dhwani K. Desai, Jan-Lukas Menzel Barraqueta, Manon Tonnard, Géraldine Sarthou, Hélène Planquette, Andrew R. Bowie, Ruth A. Schmitz, Julie LaRoche, Eric P. Achterberg
• Format: Article in Journal/Newspaper
• Language: English
• Published: Frontiers Media S.A. 2019
• Subjects: heme b; North Atlantic; phytoplankton; diatoms; iron; limitation; Microbiology; QR1-502; Irminger Basin; Iceland; Labrador Sea
• Online Access: https://doi.org/10.3389/fmicb.2019.01566; https://doaj.org/article/6fafc95d328248a6843522f58d5237a8

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...