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Biotechnological Aspects of Siderophore Biosynthesis by Actinobacteria

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Natural Products from Actinomycetes

Abstract

Actinobacteria (Actinomycetes) comprise diverse and ancient phyla of the bacteria with important properties for biotechnology. Large genomes and (mega)plasmids pose a gigantic reservoir of genetic information resulting in interesting and often powerful catabolic and anabolic pathways. Hence, many actinobacteria are able to utilize all kinds of carbon sources and have either evolved specific pathways or perform co-metabolism. In addition, their anabolic capabilities are enormous. Interestingly, natural products, some already being exploited by industries and produced in large amounts, are primary or secondary metabolites of actinobacteria. Among those natural products, the class of siderophores is gaining increasing attention in recent years. These compounds have the ability to coordinate iron or other metal and metalloid ions, earning themselves the name metallophores. Their natural role is to mobilize iron and selected other metal ions to supply the producing and secreting organism with nutrients. Thus, they allow microbes to colonize new habitats or maintain their metabolic activity even under limiting conditions. Siderophores provide access to various applications, and herein, we will highlight and discuss some prominent but also emerging examples, such as phytomining, soil remediation, and medical or imaging applications.

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Abbreviations

2,3-DHBL:

2,3-dihydroxybenzoate-AMP-ligase

2,3-diDHB:

2,3-dihydro-2,3-dihydroxybenzoate

2,3-diHA:

2,3-dihydro-3-hydroxyanthranilate

ACAD:

Acyl-CoA dehydrogenase

ACS:

Acyl-CoA synthase

ADIC:

2-amino-2-deoxyisochorismate

ArCP:

Aryl carrier protein

AS:

Anthranilate synthase

DFO:

Desferrioxamine

DHB:

2,3-dihydroxybenzoate

FAD:

Flavin adenine dinucleotide

FRET:

Fluorescence resonance energy transfer

HA:

3-hydroxyanthranilate

HAC:

N-hydroxy-N-acetylcadaverine

hCad:

N-hydroxycadaverine

hOrn:

N-hydroxyornithine

HSC :

N-hydroxy-N-succinylcadaverine

IC:

Isochorismatase

ICS:

Isochorismate synthase

IM:

Inner membrane

LDC:

Lysine decarboxylase

MA-DFO:

N-methylanthranyl desferrioxamine

MIC:

Minimum inhibitory concentration

MM:

Minimal medium

NAD(P)+:

Nicotinamide adenine dinucleotide (phosphate), oxidized form

NAD(P)H:

Nicotinamide adenine dinucleotide (phosphate), reduced form

NIS:

NRPS-independent synthase

NMO:

N-hydroxylating monooxygenase

NRPS domains:

A: Adenylation; C: Condensation; E: Epimerization; TE: Thioesterase; PCP: Peptidyl carrier protein

NRPS:

Non-ribosomal peptide synthase

OM:

Outer membrane

PCR:

Polymerase chain reaction

PET:

Positron emission spectroscopy

PKS domains:

ACP: Acyl carrier protein; AT: Acyltransferase; DH: Dehydratase; ER: Enoyl reductase; KR: β-ketoreductase; KS: Ketosynthase

PKS:

Polyketide synthase

PLP:

Pyridoxal phosphate

proCP:

Proline carrier protein

ROS:

Reactive oxygen species

SCI:

Spinal cord injuries

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Acknowledgements

All authors were supported by the Federal Ministry for Innovation, Science and Research of North Rhine–Westphalia (PtJ-TRI/1141ng006). We thank the DECHEMA for providing a Max-Buchner Scholarship to Dirk Tischler (MBFSt 3646). Further, the research in this direction was supported by Junior Research Grant from the German Federal Ministry of Education and Research (BakSolEx 033R147).

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Correspondence to Dirk Tischler .

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© 2022 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Maier, A., Mügge, C., Tischler, D. (2022). Biotechnological Aspects of Siderophore Biosynthesis by Actinobacteria. In: Rai, R.V., Bai, J.A. (eds) Natural Products from Actinomycetes. Springer, Singapore. https://doi.org/10.1007/978-981-16-6132-7_17

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