Anticandidal activity of silver nanoparticles synthesized using Streptomyces sp.VITPK1.

Abstract:

OBJECTIVES:The aim of the present study was to evaluate the anticandidal activity of biologically synthesized silver nanoparticles using the culture filtrate of Streptomyces sp.VITPK1. MATERIALS AND METHODS:Silver nanoparticles were synthesized using the culture filtrate of Streptomyces species isolated from brine spring located at Thoubal District, Manipur, India. The isolate was identified by molecular taxonomic characterization and designated as Streptomyces sp.VITPK1. The synthesized silver nanoparticles (AgNPs) were characterized by UV-visible spectra, X-ray diffraction (XRD) patterns, Energy Dispersive Analysis of X-rays (EDAX) and Fourier Transform Infrared (FTIR) analysis. The antifungal activity of the synthesized silver nanoparticles was evaluated against selected Candida species. RESULTS:The synthesized AgNPs showed a surface plasmon resonance peak at 425 nm. XRD patterns showed the crystalline peaks at 38.15° (111), 44.35° (200), 64.52° (220) and 77.49° (311) matching with the diffraction facets of silver. The size of the AgNPs was in the range of 20-45 nm. The EDAX analysis revealed the presence of silver as the major metal in the sample. The synthesized AgNPs showed anticandidal activity against Candida albicans, Candida tropicalis and Candida krusei with a maximum zone of inhibition of 20mm against C. albicans. CONCLUSIONS:The results of this study suggest that the green synthesis of silver nanoparticles using Streptomyces sp.VITPK1 have the ability to act against pathogenic Candida strains.

journal_name

J Mycol Med

authors

Sanjenbam P,Gopal JV,Kannabiran K

doi

10.1016/j.mycmed.2014.03.004

subject

Has Abstract

pub_date

2014-09-01 00:00:00

pages

211-9

issue

3

eissn

1156-5233

issn

1773-0449

pii

S1156-5233(14)00150-4

journal_volume

24

pub_type

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