Chevalone B
Chevalone B was isolated from the ethyl acetate extract of the marine sponge-associated fungus Aspergillus similanensis. The structure of Chevalone B was confirmed by 1D and 2D NMR spectroscopy. Chevalone B showed antimicrobial activity against Gram-positive and Gram-negative bacteria, Candida albicans, and multidrug-resistant strains from the environment. Studies on Chevalone B have shown its potential value in antimicrobial applications.
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- CAS No.: 1318025-75-0
- Formule: C28H40O5
- Masse moléculaire:456.61
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Stockage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Activité biologique
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Chemical Information
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Activité biologique
Description
Chemical Information
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CAS No. 1318025-75-0
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Masse moléculaire 456.61
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Formule C28H40O5
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SMILES
C[C@]12[C@@](CC[C@]3([C@@]2([H])CC4=C(C=C(OC4=O)C)O3)C)([H])[C@@]5([C@@](C(C)([C@H](CC5)OC(C)=O)C)([H])CC1)C
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Structure Classification
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Initial Source
Aspergillus similanensis sp. nov. KUFA 0013
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Please store the product under the recommended conditions in the Certificate of Analysis.
Protocole
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Research Protocol for Infectious Diseases
Infectious-disease experiments test how pathogens interact with host barriers, innate immune receptors, inflammatory signaling, pathogen replication, and tissue injury; pattern-recognition receptors such as TLRs, RIG-I-like receptors, NOD-like receptors, and inflammasomes detect microbial molecules and activate NF-κB, interferon, and cytokine responses. The central hypothesis is that infection severity reflects the balance between pathogen burden and host response: protective inflammation restricts pathogen growth, whereas excessive or mislocalized inflammation contributes to tissue damage and disease phenotype. Unresolved questions include which host pathways are protective versus pathogenic, why some infection models fail to translate to human disease, and which combined readouts best predict clinically relevant infection outcomes.
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Gram Staining of Tissue Sections
Gram staining of tissue sections is a histochemical technique used to differentiate Gram-positive and Gram-negative bacteria within histological specimens based on differences in bacterial cell wall structure and dye retention, adapted from classical bacteriological Gram staining into tissue-compatible “histological Gram stain” variants. In tissue applications, modifications of the Brown-Hopps and Brown-Brenn methods are commonly used to improve differentiation of microorganisms embedded within host connective tissue and to reduce overstaining or loss of Gram-negative signal, which are known limitations of earlier approaches. The principle relies on crystal violet-iodine complex retention in Gram-positive organisms and subsequent decolorization and counterstaining steps that allow contrast visualization of Gram-negative organisms against tissue background.
Pureté et documentation
Références
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Chevalone B Related Classifications
HY-119387 Related Classifications
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