Discovery, Biosynthesis and Biological Activity of a Succinylated Myxochelin from the Myxobacterial strain MSr12020

Okoth, Dorothy A.; Hug, Joachim J.; García, Ronald G.; Müller, Rolf

doi:10.20944/preprints202209.0147.v1

Cited by 3 publications

References 54 publications

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Chromosomal organization of biosynthetic gene clusters suggests plasticity of myxobacterial specialized metabolism including descriptions for nine novel species:Archangium lansiniumsp. nov.,Myxococcus landrumussp. nov.,Nannocystis bainbridgeasp. nov.,Nannocystis poenicansasp. nov.,Nannocystis radixulmasp. nov.,Polyangium mundeleiniumsp. nov.,Pyxidicoccus parkwaysissp. nov.,Sorangium ateriumsp. nov.,Stigmatella ashevillenasp. nov

Ahearne

Phillips

Knehans

et al. 2023

Preprint

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Natural products discovered from bacteria provide critically needed therapeutic leads for drug discovery, and myxobacteria are an established source for metabolites with unique chemical scaffolds and biological activities. Myxobacterial genomes accommodate an exceptional number and variety of biosynthetic gene clusters (BGCs) which encode for features involved in specialized metabolism. Continued discovery and sequencing of novel myxobacteria from the environment provides BGCs for the genome mining pipeline. Herein, we describe the collection, sequencing, and genome mining of 20 myxobacteria isolated from rhizospheric soil samples collected in North America. Nine isolates where determined to be novel species of myxobacteria including representatives from the generaArchangium,Myxococcus,Nannocystis,Polyangium,Pyxidicoccus,Sorangium, andStigmatella. Growth profiles, biochemical assays, and descriptions are provided for all proposed novel species. We assess the BGC content of all isolates and observe differences between Myxococcia and Polyangiia clusters. Utilizing complete or near complete genome sequences we compare the chromosomal organization of BGCs of related myxobacteria from various genera and suggest spatial proximity of hybrid, modular clusters contributes to the metabolic adaptability of myxobacteria.

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Chromosomal organization of biosynthetic gene clusters suggests plasticity of myxobacterial specialized metabolism including descriptions for nine novel species:Archangium lansiniumsp. nov.,Myxococcus landrumussp. nov.,Nannocystis bainbridgeasp. nov.,Nannocystis poenicansasp. nov.,Nannocystis radixulmasp. nov.,Polyangium mundeleiniumsp. nov.,Pyxidicoccus parkwaysissp. nov.,Sorangium ateriumsp. nov.,Stigmatella ashevillenasp. nov

Ahearne

Phillips

Knehans

et al. 2023

Preprint

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Peptides Used for Heavy Metal Remediation: A Promising Approach

Luo,

Zhang,

Xiong

et al. 2024

IJMS

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In recent years, heavy metal pollution has become increasingly prominent, severely damaging ecosystems and biodiversity, and posing a serious threat to human health. However, the results of current methods for heavy metal restoration are not satisfactory, so it is urgent to find a new and effective method. Peptides are the units that make up proteins, with small molecular weights and strong biological activities. They can effectively repair proteins by forming complexes, reducing heavy metal ions, activating the plant’s antioxidant defense system, and promoting the growth and metabolism of microorganisms. Peptides show great potential for the remediation of heavy metal contamination due to their special structure and properties. This paper reviews the research progress in recent years on the use of peptides to remediate heavy metal pollution, describes the mechanisms and applications of remediation, and provides references for the remediation of heavy metal pollution.

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Exploring the Biological Pathways of Siderophores and Their Multidisciplinary Applications: A Comprehensive Review

Xie,

Wei,

Wan

et al. 2024

Molecules

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Siderophores are a class of small molecules renowned for their high iron binding capacity, essential for all life forms requiring iron. This article provides a detailed review of the diverse classifications, and biosynthetic pathways of siderophores, with a particular emphasis on siderophores synthesized via nonribosomal peptide synthetase (NRPS) and non-NRPS pathways. We further explore the secretion mechanisms of siderophores in microbes and plants, and their role in regulating bioavailable iron levels. Beyond biological functions, the applications of siderophores in medicine, agriculture, and environmental sciences are extensively discussed. These applications include biological pest control, disease treatment, ecological pollution remediation, and heavy metal ion removal. Through a comprehensive analysis of the chemical properties and biological activities of siderophores, this paper demonstrates their wide prospects in scientific research and practical applications, while also highlighting current research gaps and potential future directions.

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Discovery, Biosynthesis and Biological Activity of a Succinylated Myxochelin from the Myxobacterial strain MSr12020

Cited by 3 publications

References 54 publications

Peptides Used for Heavy Metal Remediation: A Promising Approach

Exploring the Biological Pathways of Siderophores and Their Multidisciplinary Applications: A Comprehensive Review

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