Sulfate-Reducing Bacteria Reveal a New Branch of Tetrapyrrole Metabolism

Lobo, Susana A.L., Warren, Martin J. ORCID: https://orcid.org/0000-0002-6028-6456 and Saraiva, Ligia M. (2012) Sulfate-Reducing Bacteria Reveal a New Branch of Tetrapyrrole Metabolism. In: Advances in Microbial Physiology. Advances in Microbial Physiology . Academic Press, pp. 267-295.

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Abstract

Sulfate-reducing microorganisms are a diverse group of bacteria and archaea that occupy important environmental niches and have potential for significant biotechnological impact. Desulfovibrio, the most studied genus among the sulfate-reducing microorganisms, contains proteins with a wide variety of tetrapyrrole-derived cofactors, including some unique derivatives such as uroporphyrin I and coproporphyrin III. Herein, we review tetrapyrrole metabolism in Desulfovibrio spp., including the production of sirohaem and cobalamin, and compare and contrast the biochemical properties of the enzymes involved in these biosynthetic pathways. Furthermore, we describe a novel pathway used by Desulfovibrio to synthesize haem b, which provides a previously unrecognized link between haem, sirohaem, and haem d 1 . Finally, the organization and regulation of genes involved in the tetrapyrrole biosynthetic pathway is discussed.

Item Type: Book Section
Additional Information: Funding Information: This work was supported by Project Grants PEst-OE/EQB/LA0004/2011, PTDC/BIA-PRO/098224/2008 (LMS) from Fundação para a Ciência e Tecnologia (FCT). SL is recipient of FCT grant SFRH/BPD/63944/2009.
Uncontrolled Keywords: biosynthesis,cobalamin,desulfovibrio,haem,pathway,sirohaem,microbiology,physiology ,/dk/atira/pure/subjectarea/asjc/2400/2404
Faculty \ School: Faculty of Science
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Depositing User: LivePure Connector
Date Deposited: 20 Sep 2022 15:30
Last Modified: 27 Sep 2022 23:50
URI: https://ueaeprints.uea.ac.uk/id/eprint/88506
DOI: 10.1016/B978-0-12-394423-8.00007-X

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