Reference: Ohnuki T, et al. (2009) Haplofungins, novel inositol phosphorylceramide synthase inhibitors, from Lauriomyces bellulus SANK 26899 I. Taxonomy, fermentation, isolation and biological activities. J Antibiot (Tokyo) 62(10):545-9

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Abstract


In the course of screening for antifungal agents, we have discovered eight novel compounds, haplofungin A, B, C, D, E, F, G and H, from a culture broth of the fungus strain Lauriomyces bellulus SANK 26899. Haplofungins are composed of an arabinonic acid moiety linked through an ester to a modified long alkyl chain and show potent inhibitory activities against fungal inositol phosphorylceramide (IPC) synthase. Haplofungin A inhibited the activity of IPC synthase from Saccharomyces cerevisiae with an IC(50) value of 0.0015 microg ml(-1). This inhibitor also suppressed the growth of Candida glabrata at the MIC value of 0.5 microg ml(-1).

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Journal Article
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Ohnuki T, Yano T, Ono Y, Kozuma S, Suzuki T, Ogawa Y, Takatsu T
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