Antibacterial activity of phytopathogenic Streptomyces strains against bacteria associated to clinical diseases
ABSTRACT: The genus Streptomyces is associated with the ability to produce and excrete a variety of bioactive compounds, such as antibiotic, antifungal and antiviral. Biological active polyketide and peptide compounds with applications in medicine, agriculture and biochemical research are synthesized by PKS-I and NRPS genes. The evaluation of the presence of these genes associated with the biosynthesis of secondary metabolites in different phytopathogenic Streptomyces strains were performed using degenerated primers. The positive signal was observed in 58/63 Streptomyces strains for NRPS gene, 43/63 for PKS-I, and for PKS-II all the 63 strains showed positive signal of amplification. These strains also were tested with double layer agar-well technique against bacterial with clinical importance, and it was possible to observe the Streptomyces spp. strains were able to inhibit the growth of 14, 20, 13 and 3 isolates Gram-positive and Gram-negative bacteria, Staphylococcus aureus (ATCC 25923), Bacillus cereus (ATCC 14579), Pseudomonas aeruginosa (ATCC 27853) and Escherichia coli (ATCC 11775) respectively. The Streptomyces sp. strains IBSBF 2019 and IBSBF 2397 showed antibacterial activity against all four bacteria-target tested.
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2020
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oai:scielo:S1808-165720200001002372020-11-23Antibacterial activity of phytopathogenic Streptomyces strains against bacteria associated to clinical diseasesTomaseto,Alex AugustoAlpiste,Marcel CostaNassar,Alessandra Figueiredo de CastroDestéfano,Suzete Aparecida Lanza biosynthetic pathway antimicrobial activity Streptomyces spp ABSTRACT: The genus Streptomyces is associated with the ability to produce and excrete a variety of bioactive compounds, such as antibiotic, antifungal and antiviral. Biological active polyketide and peptide compounds with applications in medicine, agriculture and biochemical research are synthesized by PKS-I and NRPS genes. The evaluation of the presence of these genes associated with the biosynthesis of secondary metabolites in different phytopathogenic Streptomyces strains were performed using degenerated primers. The positive signal was observed in 58/63 Streptomyces strains for NRPS gene, 43/63 for PKS-I, and for PKS-II all the 63 strains showed positive signal of amplification. These strains also were tested with double layer agar-well technique against bacterial with clinical importance, and it was possible to observe the Streptomyces spp. strains were able to inhibit the growth of 14, 20, 13 and 3 isolates Gram-positive and Gram-negative bacteria, Staphylococcus aureus (ATCC 25923), Bacillus cereus (ATCC 14579), Pseudomonas aeruginosa (ATCC 27853) and Escherichia coli (ATCC 11775) respectively. The Streptomyces sp. strains IBSBF 2019 and IBSBF 2397 showed antibacterial activity against all four bacteria-target tested.info:eu-repo/semantics/openAccessInstituto BiológicoArquivos do Instituto Biológico v.87 20202020-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-16572020000100237en10.1590/1808-1657000142020 |
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Tomaseto,Alex Augusto Alpiste,Marcel Costa Nassar,Alessandra Figueiredo de Castro Destéfano,Suzete Aparecida Lanza |
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Tomaseto,Alex Augusto Alpiste,Marcel Costa Nassar,Alessandra Figueiredo de Castro Destéfano,Suzete Aparecida Lanza Antibacterial activity of phytopathogenic Streptomyces strains against bacteria associated to clinical diseases |
author_facet |
Tomaseto,Alex Augusto Alpiste,Marcel Costa Nassar,Alessandra Figueiredo de Castro Destéfano,Suzete Aparecida Lanza |
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Tomaseto,Alex Augusto |
title |
Antibacterial activity of phytopathogenic Streptomyces strains against bacteria associated to clinical diseases |
title_short |
Antibacterial activity of phytopathogenic Streptomyces strains against bacteria associated to clinical diseases |
title_full |
Antibacterial activity of phytopathogenic Streptomyces strains against bacteria associated to clinical diseases |
title_fullStr |
Antibacterial activity of phytopathogenic Streptomyces strains against bacteria associated to clinical diseases |
title_full_unstemmed |
Antibacterial activity of phytopathogenic Streptomyces strains against bacteria associated to clinical diseases |
title_sort |
antibacterial activity of phytopathogenic streptomyces strains against bacteria associated to clinical diseases |
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ABSTRACT: The genus Streptomyces is associated with the ability to produce and excrete a variety of bioactive compounds, such as antibiotic, antifungal and antiviral. Biological active polyketide and peptide compounds with applications in medicine, agriculture and biochemical research are synthesized by PKS-I and NRPS genes. The evaluation of the presence of these genes associated with the biosynthesis of secondary metabolites in different phytopathogenic Streptomyces strains were performed using degenerated primers. The positive signal was observed in 58/63 Streptomyces strains for NRPS gene, 43/63 for PKS-I, and for PKS-II all the 63 strains showed positive signal of amplification. These strains also were tested with double layer agar-well technique against bacterial with clinical importance, and it was possible to observe the Streptomyces spp. strains were able to inhibit the growth of 14, 20, 13 and 3 isolates Gram-positive and Gram-negative bacteria, Staphylococcus aureus (ATCC 25923), Bacillus cereus (ATCC 14579), Pseudomonas aeruginosa (ATCC 27853) and Escherichia coli (ATCC 11775) respectively. The Streptomyces sp. strains IBSBF 2019 and IBSBF 2397 showed antibacterial activity against all four bacteria-target tested. |
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Instituto Biológico |
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2020 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-16572020000100237 |
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