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Heme in the marine environment: from cells to the iron cycle

Heme in the marine environment: from cells to the iron cycle
Heme in the marine environment: from cells to the iron cycle
Hemes are iron containing heterocyclic molecules important in many cellular processes. In the marine environment, hemes participate as enzymatic cofactors in biogeochemically significant processes like photosynthesis, respiration, and nitrate assimilation. Further, hemoproteins, hemes, and their analogs appear to be iron sources for some marine bacterioplankton under certain conditions. Current oceanographic analytical methodologies allow for the extraction and measurement of heme b from marine material, and a handful of studies have begun to examine the distribution of heme b in ocean basins. The study of heme in the marine environment is still in its infancy, but some trends can be gleaned from the work that has been published so far. In this review, we summarize what is known or might be inferred about the roles of heme in marine microbes as well as the few studies on heme in the marine environment that have been conducted to date. We conclude by presenting some future questions and challenges for the field.
1756-5901
1107-1120
Hogle, Shane L.
6f7dd1f2-d868-453c-af45-97f3be01a0fa
Barbeau, Katherine A.
f4f67cce-a2af-43ca-9a71-820f67b1a16d
Gledhill, Martha
da795c1e-1489-4d40-9df1-fc6bde54382d
Hogle, Shane L.
6f7dd1f2-d868-453c-af45-97f3be01a0fa
Barbeau, Katherine A.
f4f67cce-a2af-43ca-9a71-820f67b1a16d
Gledhill, Martha
da795c1e-1489-4d40-9df1-fc6bde54382d

Hogle, Shane L., Barbeau, Katherine A. and Gledhill, Martha (2014) Heme in the marine environment: from cells to the iron cycle. Metallomics, 6 (6), 1107-1120. (doi:10.1039/C4MT00031E).

Record type: Article

Abstract

Hemes are iron containing heterocyclic molecules important in many cellular processes. In the marine environment, hemes participate as enzymatic cofactors in biogeochemically significant processes like photosynthesis, respiration, and nitrate assimilation. Further, hemoproteins, hemes, and their analogs appear to be iron sources for some marine bacterioplankton under certain conditions. Current oceanographic analytical methodologies allow for the extraction and measurement of heme b from marine material, and a handful of studies have begun to examine the distribution of heme b in ocean basins. The study of heme in the marine environment is still in its infancy, but some trends can be gleaned from the work that has been published so far. In this review, we summarize what is known or might be inferred about the roles of heme in marine microbes as well as the few studies on heme in the marine environment that have been conducted to date. We conclude by presenting some future questions and challenges for the field.

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More information

e-pub ahead of print date: 2014
Published date: 2014
Organisations: Ocean and Earth Science

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Local EPrints ID: 366600
URI: http://eprints.soton.ac.uk/id/eprint/366600
ISSN: 1756-5901
PURE UUID: cc394e76-48fd-4705-b410-441851d57688

Catalogue record

Date deposited: 03 Jul 2014 12:08
Last modified: 16 Jul 2019 21:01

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