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Exploration of Insects and Mollusks for New Secondary Metabolites from Actinobacteria

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Natural Products from Actinomycetes
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Abstract

Actinobacteria are Gram-positive bacteria, which have been known for their roles in various fields in human life, especially in medicine. They constitute a highly diverse phylum with an unrivalled metabolic versatility. Finding novel antibiotics is highly important since drug-resistant infections are a serious threat to people's health. Since Actinobacteria, especially those from the genus Streptomyces, have been known as prolific producers of antibiotics, isolating rare or novel actinobacterial species from uncommon habitats like the ones associated with insects and mollusks might increase the chance to discover novel active compounds. Numerous actinobacterial strains have been isolated from insects (ants, termites, bees, wasps, beetles, and bugs) and mollusks (nudibranchs, snails, and clams) with different genera and bioactive properties. Moreover, rare Actinobacteria like Actinocorallia, Verrucosispora, Sphaerisporangium, Actinocatenispora, Agromyces, and Saccharothrix were isolated from these invertebrates. Various active compounds such as furamycins, anthracyclines, lobophorins, antimycins, julichromes, nocapyrones, pulicatins, and saccharothrixmicines examplify that insects and mollusks represent valuable sources for interesting secondary metabolites.

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Acknowledgments

M.S. and J.W. were supported by a grant of the Deutsche Forschungsgemeinschaft (DFG STE 838/11-1; DFG WI 4609/2-1).

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Correspondence to Joachim Wink .

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

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Risdian, C., Safaei, N., Steinert, M., Wink, J. (2022). Exploration of Insects and Mollusks for New Secondary Metabolites from 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_2

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