Tuberine, (+) -

(+) -Tuberine is a natural alkaloid isolated from Haplophyllum tuberculatum with potent antimicrobial properties. It demonstrates strong activity against Staphylococcus aureus, Bacillus subtilis, and Saccharomyces cerevisiae in vitro, with milder effects on Escherichia coli. This compound is a valuable research tool for studying novel antibiotic mechanisms and microbial resistance.