In vitro activity, extraction, separation and structure elucidation of antibiotic produced by Streptomyces anulatus NEAE-94 active against multidrug-resistant Staphylococcus aureus

During the screening programme for antibiotic produced by actinomycetes, an antibiotic was isolated from the fermentation broth of Streptomyces anulatus NEAE-94. The ethyl acetate extract of S. anulatus NEAE-94 showed high biological activity against Staphylococcus aureus NRRL B-313, multidrug-resis...

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Main Authors: Noura El-Ahmady El-Naggar, Ashraf Abdal-Aziz El-Bindary, Mamdouh Abdel-Mogib, Noura Salah Nour
Format: Article
Language:English
Published: Taylor & Francis Group 2017-03-01
Series:Biotechnology & Biotechnological Equipment
Subjects:
Online Access:http://dx.doi.org/10.1080/13102818.2016.1276412
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author Noura El-Ahmady El-Naggar
Ashraf Abdal-Aziz El-Bindary
Mamdouh Abdel-Mogib
Noura Salah Nour
author_facet Noura El-Ahmady El-Naggar
Ashraf Abdal-Aziz El-Bindary
Mamdouh Abdel-Mogib
Noura Salah Nour
author_sort Noura El-Ahmady El-Naggar
collection DOAJ
description During the screening programme for antibiotic produced by actinomycetes, an antibiotic was isolated from the fermentation broth of Streptomyces anulatus NEAE-94. The ethyl acetate extract of S. anulatus NEAE-94 showed high biological activity against Staphylococcus aureus NRRL B-313, multidrug-resistant S. aureus and Bacillus subtilis NRRL B-543. Thin-layer chromatography of the ethyl acetate extract showed one yellowish orange spot with an Rf value of 0.83. The structural elucidation of the isolated compounds was carried out using ultraviolet–visible mass spectrometry (MS), Fourier transform-infrared spectroscopy (FT-IR), proton nuclear magnetic resonance (1H-NMR) and gas chromatography–mass spectrometry (GC–MS) analyses. Characterization of the ethyl acetate extract revealed the presence of 22 compounds, including an unsaturated fatty acid, saturated fatty acids, fatty acid esters, alkanes, alkenes and a triterpene. The antimicrobial efficacy of S. anulatus NEAE-94 might be due to the synergistic effects of the identified compounds.
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spelling doaj.art-1e41cb1282d0480bba0b410edbd4c2312022-12-22T00:25:21ZengTaylor & Francis GroupBiotechnology & Biotechnological Equipment1310-28181314-35302017-03-0131241843010.1080/13102818.2016.12764121276412In vitro activity, extraction, separation and structure elucidation of antibiotic produced by Streptomyces anulatus NEAE-94 active against multidrug-resistant Staphylococcus aureusNoura El-Ahmady El-Naggar0Ashraf Abdal-Aziz El-Bindary1Mamdouh Abdel-Mogib2Noura Salah Nour3Genetic Engineering and Biotechnology Research InstituteDamietta UniversityMansoura UniversityGenetic Engineering and Biotechnology Research InstituteDuring the screening programme for antibiotic produced by actinomycetes, an antibiotic was isolated from the fermentation broth of Streptomyces anulatus NEAE-94. The ethyl acetate extract of S. anulatus NEAE-94 showed high biological activity against Staphylococcus aureus NRRL B-313, multidrug-resistant S. aureus and Bacillus subtilis NRRL B-543. Thin-layer chromatography of the ethyl acetate extract showed one yellowish orange spot with an Rf value of 0.83. The structural elucidation of the isolated compounds was carried out using ultraviolet–visible mass spectrometry (MS), Fourier transform-infrared spectroscopy (FT-IR), proton nuclear magnetic resonance (1H-NMR) and gas chromatography–mass spectrometry (GC–MS) analyses. Characterization of the ethyl acetate extract revealed the presence of 22 compounds, including an unsaturated fatty acid, saturated fatty acids, fatty acid esters, alkanes, alkenes and a triterpene. The antimicrobial efficacy of S. anulatus NEAE-94 might be due to the synergistic effects of the identified compounds.http://dx.doi.org/10.1080/13102818.2016.1276412Streptomyces anulatusantibiotic1H-NMRFT-IRGC–MS analysismultidrug-resistant Staphylococcus aureus
spellingShingle Noura El-Ahmady El-Naggar
Ashraf Abdal-Aziz El-Bindary
Mamdouh Abdel-Mogib
Noura Salah Nour
In vitro activity, extraction, separation and structure elucidation of antibiotic produced by Streptomyces anulatus NEAE-94 active against multidrug-resistant Staphylococcus aureus
Biotechnology & Biotechnological Equipment
Streptomyces anulatus
antibiotic
1H-NMR
FT-IR
GC–MS analysis
multidrug-resistant Staphylococcus aureus
title In vitro activity, extraction, separation and structure elucidation of antibiotic produced by Streptomyces anulatus NEAE-94 active against multidrug-resistant Staphylococcus aureus
title_full In vitro activity, extraction, separation and structure elucidation of antibiotic produced by Streptomyces anulatus NEAE-94 active against multidrug-resistant Staphylococcus aureus
title_fullStr In vitro activity, extraction, separation and structure elucidation of antibiotic produced by Streptomyces anulatus NEAE-94 active against multidrug-resistant Staphylococcus aureus
title_full_unstemmed In vitro activity, extraction, separation and structure elucidation of antibiotic produced by Streptomyces anulatus NEAE-94 active against multidrug-resistant Staphylococcus aureus
title_short In vitro activity, extraction, separation and structure elucidation of antibiotic produced by Streptomyces anulatus NEAE-94 active against multidrug-resistant Staphylococcus aureus
title_sort in vitro activity extraction separation and structure elucidation of antibiotic produced by streptomyces anulatus neae 94 active against multidrug resistant staphylococcus aureus
topic Streptomyces anulatus
antibiotic
1H-NMR
FT-IR
GC–MS analysis
multidrug-resistant Staphylococcus aureus
url http://dx.doi.org/10.1080/13102818.2016.1276412
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