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Schwardmann LS, Benninghaus L, Lindner SN, Wendisch VF. Prospects of formamide as nitrogen source in biotechnological production processes. Appl Microbiol Biotechnol 2024; 108:105. [PMID: 38204134 PMCID: PMC10781810 DOI: 10.1007/s00253-023-12962-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/27/2023] [Accepted: 10/05/2023] [Indexed: 01/12/2024]
Abstract
This review presents an analysis of formamide, focussing on its occurrence in nature, its functional roles, and its promising applications in the context of the bioeconomy. We discuss the utilization of formamide as an innovative nitrogen source achieved through metabolic engineering. These approaches underscore formamide's potential in supporting growth and production in biotechnological processes. Furthermore, our review illuminates formamide's role as a nitrogen source capable of safeguarding cultivation systems against contamination in non-sterile conditions. This attribute adds an extra layer of practicality to its application, rendering it an attractive candidate for sustainable and resilient industrial practices. Additionally, the article unveils the versatility of formamide as a potential carbon source that could be combined with formate or CO2 assimilation pathways. However, its attributes, i.e., enriched nitrogen content and comparatively limited energy content, led to conclude that formamide is more suitable as a co-substrate and that its use as a sole source of carbon for biomass and bio-production is limited. Through our exploration of formamide's properties and its applications, this review underscores the significance of formamide as valuable resource for a large spectrum of industrial applications. KEY POINTS: • Formidases enable access to formamide as source of nitrogen, carbon, and energy • The formamide/formamidase system supports non-sterile fermentation • The nitrogen source formamide supports production of nitrogenous compounds.
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Affiliation(s)
- Lynn S Schwardmann
- Genetics of Prokaryotes, Faculty of Biology and CeBiTec, Bielefeld University, Universitätsstr. 25, 33615, Bielefeld, Germany
- , Aminoverse B.V., Daelderweg 9, 6361 HK, Nuth, Beekdaelen, The Netherlands
| | - Leonie Benninghaus
- Genetics of Prokaryotes, Faculty of Biology and CeBiTec, Bielefeld University, Universitätsstr. 25, 33615, Bielefeld, Germany
| | - Steffen N Lindner
- Department of Biochemistry, Charite Universitatsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität, Berlin, Germany
| | - Volker F Wendisch
- Genetics of Prokaryotes, Faculty of Biology and CeBiTec, Bielefeld University, Universitätsstr. 25, 33615, Bielefeld, Germany.
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Bamforth CW. Enzymes, Egg White, and Eccentrics: Memories from 37 Years of Research in the Brewing Industry. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2018. [DOI: 10.1094/asbcj-2016-1122-01] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Charles W. Bamforth
- Department of Food Science and Technology, University of California, Davis, CA 95616
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Latypova E, Yang S, Wang YS, Wang T, Chavkin TA, Hackett M, Schäfer H, Kalyuzhnaya MG. Genetics of the glutamate-mediated methylamine utilization pathway in the facultative methylotrophic beta-proteobacteriumMethyloversatilis universalisFAM5. Mol Microbiol 2010; 75:426-39. [DOI: 10.1111/j.1365-2958.2009.06989.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Schwartz AC, Gockel G, Gross J, Moritz B, Meyer HE. Relations and functions of dye-linked formaldehyde dehydrogenase from Hyphomicrobium zavarzinii revealed by sequence determination and analysis. Arch Microbiol 2004; 182:458-66. [PMID: 15480576 DOI: 10.1007/s00203-004-0730-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2004] [Revised: 08/16/2004] [Accepted: 08/16/2004] [Indexed: 11/30/2022]
Abstract
faoA, the gene of the dye-linked NAD(P)-independent quinone-containing formaldehyde dehydrogenase of methylamine-grown Hyphomicrobium zavarzinii strain ZV 580 was sequenced and analyzed together with an apparent promoter region and adjoining genes in a 7.2-kb fragment of hyphomicrobial DNA. The formaldehyde dehydrogenase, identified as a periplasmic enzyme by its signal sequence, is distantly related to the soluble pyrroloquinoline-quinone-dependent glucose dehydrogenase of Acinetobacter calcoaceticus and to other predicted glucose dehydrogenase sequences. The promoter region, containing about 400 nucleotides upstream of faoA, comprised potential binding sites identical or highly similar to known consensus sequences of the sigma factors sigma(70) (housekeeping), sigma(H) (heat shock), sigma(F) (flagellar) and sigma(N) (nitrogen). The complex regulation of the transcription of faoA, which is suggested by this setting and emphasized by a possible heat-shock promoter, supports a hypothesis proposing an auxiliary role of the enzyme in lowering detrimental elevated concentrations of formaldehyde, which might arise in the course of stress or regulatory transitions disturbing balanced C(1) metabolism.
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Affiliation(s)
- Arnold C Schwartz
- Institut für Molekulare Physiologie und Biotechnologie der Pflanzen, Universität Bonn, Kirschallee 1, 53115 Bonn, Germany.
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Chistoserdov AY, Tsygankov YD, Lidstrom ME. Genetic organization of methylamine utilization genes from Methylobacterium extorquens AM1. J Bacteriol 1991; 173:5901-8. [PMID: 1653226 PMCID: PMC208325 DOI: 10.1128/jb.173.18.5901-5908.1991] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
An isolated 5.2-kb fragment of Methylobacterium extorquens AM1 DNA was found to contain a gene cluster involved in methylamine utilization. Analysis of polypeptides synthesized in an Escherichia coli T7 expression system showed that five genes were present. Two of the genes encoded the large and small subunits of methylamine dehydrogenase, and a third encoded amicyanin, the presumed electron acceptor for methylamine dehydrogenase, but the function of the other two genes is not known. The order on the 5.2-kb fragment was found to be large-subunit gene, the two genes of unknown function, small-subunit gene, amicyanin gene. The gene for azurin, another possible electron acceptor in methylamine oxidation, does not appear to be present within this cluster of methylamine utilization genes.
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Affiliation(s)
- A Y Chistoserdov
- W. M. Keck Laboratories 138-78, California Institute of Technology, Pasadena 91125
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Harms N, van Spanning RJ. C1 metabolism in Paracoccus denitrificans: genetics of Paracoccus denitrificans. J Bioenerg Biomembr 1991; 23:187-210. [PMID: 2050654 DOI: 10.1007/bf00762217] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Paracoccus denitrificans is able to grow on the C1 compounds methanol and methylamine. These compounds are oxidized to formaldehyde which is subsequently oxidized via formate to carbon dioxide. Biomass is produced by carbon dioxide fixation via the ribulose biphosphate pathway. The first oxidation reaction is catalyzed by the enzymes methanol dehydrogenase and methylamine dehydrogenase, respectively. Both enzymes contain two different subunits in an alpha 2 beta 2 configuration. The genes encoding the subunits of methanol dehydrogenase (moxF and moxI) have been isolated and sequenced. They are located in one operon together with two other genes (moxJ and moxG) in the gene order moxFJGI. The function of the moxJ gene product is not yet known. MoxG codes for a cytochrome c551i, which functions as the electron acceptor of methanol dehydrogenase. Both methanol dehydrogenase and methylamine dehydrogenase contain PQQ as a cofactor. These so-called quinoproteins are able to catalyze redox reactions by one-electron steps. The reaction mechanism of this oxidation will be described. Electrons from the oxidation reaction are donated to the electron transport chain at the level of cytochrome c. P. denitrificans is able to synthesize at least 10 different c-type cytochromes. Five could be detected in the periplasm and five have been found in the cytoplasmic membrane. The membrane-bound cytochrome c1 and cytochrome c552 and the periplasmic-located cytochrome c550 are present under all tested growth conditions. The cytochromes c551i and c553i, present in the periplasm, are only induced in cells grown on methanol, methylamine, or choline. The other c-type cytochromes are mainly detected either under oxygen limited conditions or under anaerobic conditions with nitrate as electron acceptor or under both conditions. An overview including the induction pattern of all P. denitrificans c-type cytochromes will be given. The genes encoding cytochrome c1, cytochrome c550, cytochrome c551i, and cytochrome c553i have been isolated and sequenced. By using site-directed mutagenesis these genes were mutated in the genome. The mutants thus obtained were used to study electron transport during growth on C1 compounds. This electron transport has also been studied by determining electron transfer rates in in vitro experiments. The exact pathways, however, are not yet fully understood. Electrons from methanol dehydrogenase are donated to cytochrome c551i. Further electron transport is either via cytochrome c550 or cytochrome c553i to cytochrome aa3. However, direct electron transport from cytochrome c551i to the terminal oxidase might be possible as well.(ABSTRACT TRUNCATED AT 400 WORDS)
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Affiliation(s)
- N Harms
- Department of Microbiology, Vrije Universiteit, Amsterdam, The Netherlands
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Abstract
Methylotrophic bacteria comprise a broad range of obligate aerobic microorganisms, which are able to proliferate on (a number of) compounds lacking carbon-carbon bonds. This contribution will essentially be limited to those organisms that are able to utilize methanol and will cover the physiological, biochemical and genetic aspects of this still diverse group of organisms. In recent years much progress has been made in the biochemical and genetic characterization of pathways and the knowledge of specific reactions involved in methanol catabolism. Only a few of the genetic loci hitherto found have been matched by biochemical experiments through the isolation or demonstration of specific gene products. Conversely, several factors have been identified by biochemical means and were shown to be involved in the methanol dehydrogenase reaction or subsequent electron transfer. For the majority of these components, their genetic loci are unknown. A comprehensive treatise on the regulation and molecular mechanism of methanol oxidation is therefore presented, followed by the data that have become available through the use of genetic analysis. The assemblage of methanol dehydrogenase enzyme, the role of pyrrolo-quinoline quinone, the involvement of accessory factors, the evident translocation of all these components to the periplasm and the dedicated link to the electron transport chain are now accepted and well studied phenomena in a few selected facultative methylotrophs. Metabolic regulation of gene expression, efficiency of energy conservation and the question whether universal rules apply to methylotrophs in general, have so far been given less attention. In order to expand these studies to less well known methylotrophic species initial results concerning such area as genetic mapping, the molecular characterization of specific genes and extrachromosomal genetics will also pass in review.
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Affiliation(s)
- G E de Vries
- Department of Microbiology, University of Groningen, Haren, The Netherlands
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Chemolithotrophic potential of a Hyphomicrobium species, capable of growth on methylated sulphur compounds. Arch Microbiol 1986. [DOI: 10.1007/bf00402350] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Harms N, de Vries GE, Maurer K, Veltkamp E, Stouthamer AH. Isolation and characterization of Paracoccus denitrificans mutants with defects in the metabolism of one-carbon compounds. J Bacteriol 1985; 164:1064-70. [PMID: 3905763 PMCID: PMC219298 DOI: 10.1128/jb.164.3.1064-1070.1985] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Mutants deficient in the metabolism of one-carbon compounds have been obtained by treating Paracoccus denitrificans with the mutagen N-methyl-N'-nitro-N-nitrosoguanidine. Mutants were selected without enrichment procedures by newly developed plate screening tests. The obtained mutants were characterized by their growth responses, cytochrome composition, enzyme activities, and immunogenic reaction with antisera against methanol dehydrogenase. By these criteria five mutant classes could be distinguished. Class I mutants are involved in the expression of methanol dehydrogenase. Three mutants of this class have a defect in the structural gene. A double mutant was found with defects in the expression of both methanol dehydrogenase and hydrogenase. Class II mutants have a defect in a regulatory gene involved in the regulation of both methanol dehydrogenase and methylamine dehydrogenase. Class III mutants are deficient in formaldehyde metabolism. A defect may exist in the expression of a second non-NAD-linked formaldehyde dehydrogenase which was postulated to be involved in C1 metabolism. Class IV mutants are deficient in cytochrome c. Mutants of class V have a defect in synthesis of the molybdenum cofactor essential for the function of formate dehydrogenase.
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Hanson R. Ecology and Diversity of Methylotrophic Organisms. ADVANCES IN APPLIED MICROBIOLOGY 1980. [DOI: 10.1016/s0065-2164(08)70328-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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