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Isolation and identification of anticandidal compound from Streptomyces sp. VITPK9
Sanjenbam P, Vinay Gopal J,
Published in Pleiades Publishing Ltd
2014
Volume: 50
   
Issue: 5
Pages: 492 - 499
Abstract
Candida infections are frequently reported in both HIV and cancer patients. Recent reports have shown that Candida participates in malignant transformation of oral fibrosis. The aim of the present study was to isolate and to identify anticandidal compound from soil Streptomyces sp. VITPK9. It was isolated from a brine spring of Manipur located in Thoubal district, Manipur, India. The ethyl acetate extract from culture supernatant of Streptomyces sp. VITPK9 was prepared and purified by silica gel column chromatography and HPLC. The purified compound was identified by using 1H and 13C NMR spectral data and based on the similarity index with reference compounds available in the mass spectra library of National Institute for Standards and Technology as pyrrolo[1,2-a]pyrazine-1,4-dione,hexahydro-3-(phenylmethyl)-. The antifungal activity of the purified compound was tested against the Candida strains according to the National Committee for Clinical Laboratory Standards guidelines and it was revealed that its MIC50 value ranged from 0.78 to 2.00 μg/mL. The results of the study suggest that Streptomyces sp. VITPK9 is the potential source for diketopiperazine type of anticandidal compounds. © 2014 Pleiades Publishing, Inc.
About the journal
JournalApplied Biochemistry and Microbiology
PublisherPleiades Publishing Ltd
ISSN0003-6838
Open Access0