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Lugdunin

Cat. No. M40503
Lugdunin Structure
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Biological Activity

Lugdunin is a class of non-ribosomal peptides (NRPs) with good antimicrobial activity and inhibits methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant enterococci (VRE) and Listeria monocytogenes.

Chemical Information
Molecular Weight 783.05
Formula C40H62N8O6S
CAS Number 1989698-37-4
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Shih-Cheng Chang et al. Microbiol Spectr. Lugdunin production and activity in Staphylococcus lugdunensis isolates are associated with its genotypes

[2] Simon Heilbronner et al. Clin Microbiol Rev. Staphylococcus lugdunensis: a Skin Commensal with Invasive Pathogenic Potential

[3] Katharina Bitschar et al. Nat Commun. Lugdunin amplifies innate immune responses in the skin in synergy with host- and microbiota-derived factors

[4] Guillaume André Durand et al. Int J Antimicrob Agents. Antibiotic discovery: history, methods and perspectives

[5] Alexander Zipperer et al. Nature. Human commensals producing a novel antibiotic impair pathogen colonization

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