Karen Harms

ORCID: 0000-0002-5867-0846
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About
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Research Areas
  • Microbial Natural Products and Biosynthesis
  • Synthesis and Biological Activity
  • Plant Pathogens and Fungal Diseases
  • Genomics and Phylogenetic Studies
  • Plant biochemistry and biosynthesis
  • Bioinformatics and Genomic Networks
  • Metabolomics and Mass Spectrometry Studies
  • Chemical synthesis and alkaloids
  • Computational Drug Discovery Methods
  • Phytochemical Studies and Bioactivities
  • Fungal Biology and Applications
  • Sesquiterpenes and Asteraceae Studies
  • Natural product bioactivities and synthesis
  • Alkaloids: synthesis and pharmacology

Helmholtz Centre for Infection Research
2021-2024

Technische Universität Braunschweig
2021-2024

German Center for Infection Research
2024

Triangularia mangenotti was analyzed for the production of secondary metabolites, resulting in isolation known zopfinol (1) and its new derivatives B–C (2–4), 10-membered lactones 7-O-acetylmultiplolide A (5) 8-O-acetylmultiplolide (6), together with sordarin (7), B (8), hypoxysordarin (9). The absolute configuration 1 elucidated by synthesis MPTA-esters. Compound showed antimicrobial activity against Gram-positive bacteria Bacillus subtilis Staphylococcus aureus fungus Mucor hiemalis. While...

10.3390/jof7030181 article EN cc-by Journal of Fungi 2021-03-03

is a model mushroom belonging to the fungal phylum Basidiomycota. Among others,

10.1021/acschembio.4c00178 article EN ACS Chemical Biology 2024-09-18

The new genus Morinagamyces is introduced herein to accommodate the fungus Apiosordaria vermicularis as inferred from a phylogenetic study based on sequences of internal transcribed spacer region (ITS), nuclear rDNA large subunit (LSU), and partial fragments ribosomal polymerase II 2 (rpb2) β-tubulin (tub2) genes. was analyzed for production secondary metabolites, resulting in isolation depsipeptide named morinagadepsin (1), already known chaetone B (3). While planar structure 1 elucidated...

10.3390/microorganisms9061191 article EN cc-by Microorganisms 2021-05-31

Streptogramins are the last line of defense antimicrobials with pristinamycin as a representative substance used therapeutics against highly resistant pathogenic bacteria. However, emergence (multi)drug-resistant pathogens renders these valuable antibiotics useless; making it necessary to derivatize compounds for new compound characteristics, which is often difficult by chemical de novo synthesis due complex nature molecules. An alternative derivatization mutasynthesis. Herein, we report...

10.1039/d3cb00143a article EN cc-by RSC Chemical Biology 2023-01-01
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