Biosynthesis and Characterization of Extracellular Silver Nanoparticles from Streptomyces aizuneusis: Antimicrobial, Anti Larval, and Anticancer Activities

被引:15
|
作者
Abd-Elhady, Hemmat M. [1 ]
Ashor, Mona A. [1 ]
Hazem, Abdelkader [1 ]
Saleh, Fayez M. [2 ]
Selim, Samy [3 ]
El Nahhas, Nihal [4 ]
Abdel-Hafez, Shams H. [5 ]
Sayed, Samy [6 ]
Hassan, Enas A. [1 ]
机构
[1] Ain Shams Univ, Fac Agr, Agr Microbiol Dept, Cairo 11566, Egypt
[2] Univ Tabuk, Fac Med, Dept Med Microbiol, Tabuk 71491, Saudi Arabia
[3] Jouf Univ, Coll Appl Med Sci, Dept Clin Lab Sci, Sakaka 72388, Saudi Arabia
[4] Alexandria Univ, Fac Sci, Dept Bot & Microbiol, Alexandria 21515, Egypt
[5] Taif Univ, Coll Sci, Dept Chem, At Taif 21944, Saudi Arabia
[6] Taif Univ, Univ Coll Ranyah, Dept Sci & Technol, At Taif 21944, Saudi Arabia
来源
MOLECULES | 2022年 / 27卷 / 01期
关键词
microbial synthesis; AgNPs; identification; antibacterial; antifungal; biological activities; cytotoxicity; actinomycetes; DROSOPHILA-MELANOGASTER; ANTIFUNGAL ACTIVITY; GREEN SYNTHESIS; ANTIBACTERIAL;
D O I
10.3390/molecules27010212
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The ability of microorganisms to reduce inorganic metals has launched an exciting eco-friendly approach towards developing green nanotechnology. Thus, the synthesis of metal nanoparticles through a biological approach is an important aspect of current nanotechnology. In this study, Streptomyces aizuneusis ATCC 14921 gave the small particle of silver nanoparticles (AgNPs) a size of 38.45 nm, with 1.342 optical density. AgNPs produced by Streptomyces aizuneusis were characterized by means of UV-VIS spectroscopy and transmission electron microscopy (TEM). The UV-Vis spectrum of the aqueous solution containing silver ion showed a peak between 410 to 430. Moreover, the majority of nanoparticles were found to be a spherical shape with variables between 11 to 42 nm, as seen under TEM. The purity of extracted AgNPs was investigated by energy dispersive X-ray analysis (EDXA), and the identification of the possible biomolecules responsible for the reduction of Ag+ ions by the cell filtrate was carried out by Fourier Transform Infrared spectrum (FTIR). High antimicrobial activities were observed by AgNPs at a low concentration of 0.01 ppm, however, no deleterious effect of AgNPs was observed on the development and occurrence of Drosophila melanogaster phenotype. The highest reduction in the viability of the human lung carcinoma and normal cells was attained at 0.2 AgNPs ppm.
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页数:14
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