Results 121 to 130 of about 20,629 (261)

A Wagner–Meerwein‐Like Rearrangement Generates a Vinyl Group in the Biosynthesis of the Polychlorinated Lipopeptides Fischerazoles

open access: yesAngewandte Chemie, Volume 138, Issue 37, 7 September 2026.
The fischerazoles, unusual cyanobacterial chlorinated lipopeptides are reported. During their biosynthesis, a linear fatty acyl‐acyl carrier protein (ACP) precursor is rearranged through the action of the S‐adenosyl‐methionine (SAM)‐dependent methyltransferase FshF, to generate a pendant vinyl group.
Sandra A. C. Figueiredo   +8 more
wiley   +2 more sources

Incidence Trends of Early‐Onset Colorectal Cancer in Germany: A Registry‐Based Study From 2003 to 2023

open access: yesInternational Journal of Cancer, Volume 159, Issue 9, Page 2207-2218, 1 November 2026.
The evidence on the rising incidence of colorectal cancer among adults below 50 years of age largely stems from the United States. Using high‐quality cancer registry data for the 2003–2023 period in Germany, this study found a moderate increase of early‐onset colorectal cancer incidence that was limited to those aged 20–39 years and more pronounced ...
Sven Voigtländer   +20 more
wiley   +1 more source

Cyanopeptide Mixtures Induce Variable Synergistic and Antagonistic Effects Across Diverse Human Cell Lines

open access: yesEnvironmental Toxicology, Volume 41, Issue 10, Page 807-821, October 2026.
ABSTRACT Cyanobacterial harmful algal blooms (cyanoHABs) threaten human, animal, and ecosystem health and safety through production of toxic secondary metabolites. Microcystis, a cosmopolitan bloom‐forming cyanobacterial genus, is well‐known for producing hepatotoxic microcystins (MCs), but it can produce many other bioactive cyanopeptides, such as ...
Lauren N. Hart   +7 more
wiley   +1 more source

Antiparasitic, Antineuroinflammatory, and Cytotoxic Polyketides from the Marine Sponge Plakortis angulospiculatus Collected in Brazil

open access: yes, 2016
Investigation of the bioactive crude extract from the sponge Plakortis angulospiculatus from Brazil led to the isolation of plakortenone (1) as a new polyketide, along with five known polyketides (2–6) previously isolated from other Plakortis sponges ...
Antonio G. Ferreira (1490488)   +12 more
core   +1 more source

Genomic and Phenotypic Classification of Staphylococcus Species Isolated From Delhi Air

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 5, October 2026.
Multiple Staphylococcus spp. were isolated from the outdoor polluted air of the Indian Capital, New Delhi. The bacterial samples were collected from 6 different locations, and the whole genome of four Staphylococcus isolates was sequenced in their entirety. This study presents the comparative genomic analysis of these four isolates.
Himanshu Sen   +8 more
wiley   +1 more source

Methyl Jasmonate Seed Priming Mitigates the Defence‐Growth Trade‐Off and Tailors Plant Response to Specific Pests

open access: yesPlant, Cell &Environment, Volume 49, Issue 10, Page 7558-7574, October 2026.
ABSTRACT Seed defence priming is emerging as a novel, cost‐efficient and environmentally safe tool for pest management. It has been proposed as a means to uncouple the defence‐growth trade‐off in plants by enhancing defence responses with minimal fitness costs, but the mechanisms underlying this role remain elusive.
Lucia Talavera‐Mateo   +5 more
wiley   +1 more source

Photoreactive Pantetheinyl Mimics Reveal Design Limitations for Crypto‐Acyl Carrier Proteins

open access: yesChemBioChem, Volume 27, Issue 18, 28 September 2026.
Probes were rationally designed to capture key intramolecular interactions thorugh photocrosslinking in thiotemplated assembly lines: polyketide synthases (PKS), fatty acid synthases (FAS), and non‐ribosomal peptide synthetases (NRPS). Poor or no crosslinking was observed from these probes, highlighting current limitations of synthetic and structural ...
Anna‐Kay R. West   +6 more
wiley   +1 more source

Editorial: Innovators in chemical biology

open access: yesFrontiers in Chemistry, 2022
John D. Wade   +4 more
doaj   +1 more source

Biosynthetic Diversity of Marine-Derived Streptomyces Natural Products: Integrating Genome Mining, Multi-Omics, and Translational Drug Discovery Strategies

open access: yesMarine Drugs
Marine-derived Streptomyces are among the most prolific producers of structurally diverse and biologically active natural products. Adaptation to unique marine environments, including deep-sea sediments, hydrothermal vents, mangrove ecosystems, marine ...
Monthon Lertcanawanichakul   +7 more
doaj   +1 more source

Polyketides with Cardioprotective Bioactivities from Sponge-Associated Fungus Aspergillus giganteus MA46-5

open access: yesMolecules
One pair of novel enantiomers, gigantdioxin A (+)-1 and B (−)-1, with a skeleton of benzo[d][1,3]dioxin; a new acetophenone gigantone A (3); a known 3-chlorogentisyl alcohol (2), which is the bioprecursor of 1; acetophenone (4); and chromone derivative ...
Ying-Tong Lin   +9 more
doaj   +1 more source

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