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Enzymatic ester bond formation strategies in fungal macrolide skeletons.
Nat Prod Rep
January 2025
College of Pharmaceutical Sciences, Southwest University, 400715 Chongqing, China.
Covering: up to August 2024Macrolides, the core skeletons of numerous marketed drugs and bioactive natural products, have garnered considerable scientific interest owing to their structural diversity and broad spectrum of pharmaceutical activities. The formation of intramolecular ester bonds is a critical biocatalytic step in constructing macrolide skeletons. Here, we summarised enzymatic ester bond formation strategies in fungal polyketide (PK)-type, nonribosomal peptide (NRP)-type, and PK-NRP hybrid-type macrolides.
View Article and Find Full Text PDFPresence of polyketide synthases and nonribosomal peptide synthetase in culturable bacteria associated with Aplysina fulva and Aplysina caissara (Porifera).
Braz J Microbiol
January 2025
Graduate Program in Evolution and Diversity, Federal University of ABC, Av. dos Estados, Bairro Bangu, Santo André, São Paulo, 5001, CEP 09210-580, Brazil.
Culture-dependent and -independent studies have provided access to symbiont genes and the functions they play for host sponges. Thus, this work investigates the diversity, presence of genes of pharmacological interest, biological activities and metabolome of the bacteria isolated from the sponges Aplysina caissara and Aplysina fulva collected on the southwestern Atlantic Coast. The genes for Polyketide Synthases types I and II and Nonribosomal Peptide Synthetases were screened in more than 200 bacterial strains obtained, from which around 40% were putatively novel.
View Article and Find Full Text PDFThe Characterization, Biological Activities, and Potential Applications of the Antimicrobial Peptides Derived from Bacillus spp.: A Comprehensive Review.
Probiotics Antimicrob Proteins
December 2024
Food Nutrition and Health Research Center, School of Advanced Manufacturing, Fuzhou University, Jinjiang, 362200, Fujian, China.
This paper provides a comprehensive review of antimicrobial peptides (AMPs) derived from Bacillus spp. The classification and structure of Bacillus-derived AMPs encompass a diverse range. There are 89 documented Bacillus-derived AMPs, which exhibit varied sources, amino acid sequences, and molecular structures.
View Article and Find Full Text PDFExpanding Polycyclic Tetramate Macrolactam (PoTeM) Core Structure Diversity by Chemo-Enzymatic Synthesis and Bioengineering.
Angew Chem Int Ed Engl
December 2024
TU Dresden: Technische Universitat Dresden, Faculty of Chemistry and Food Chemistry, Bergstraße 66, 01069, Dresden, GERMANY.
Polycyclic tetramate macrolactams (PoTeMs) represent a growing class of bioactive natural products that are derived from a common tetramate polyene precursor, lysobacterene A, produced by an unusual bacterial iterative polyketide synthase (PKS) / non-ribosomal peptide synthetase (NRPS). The structural and functional diversity of PoTeMs is biosynthetically elaborated from lysobacterene A by pathway-specific cyclizing and modifying enzymes. This results in diverse core structure decoration and cyclization patterns.
View Article and Find Full Text PDFThe privileged fused-ring system comprising the bicyclo[2.2.2]diazaoctane (BDO) core is prevalent in diketopiperazine (DKP) natural products with potent and diverse biological activities, with some being explored as drug candidates.
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