Dataset Information

Draft Genomic Sequences of Streptomyces misionensis ACT66 and Streptomyces albidoflavus ACT77, Bacteria with Potential Application for Phytopathogen Biocontrol.

ABSTRACT: Here, we report the draft genomic sequences and annotation of Streptomyces misionensis ACT66 and Streptomyces albidoflavus ACT77, which are two bacteria with potential application for phytopathogen biocontrol.

SUBMITTER: Pylro VS

PROVIDER: S-EPMC6728650 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Draft Genomic Sequences of Streptomyces misionensis ACT66 and Streptomyces albidoflavus ACT77, Bacteria with Potential Application for Phytopathogen Biocontrol.

Pylro Victor Satler VS Dias Armando Cavalcante Franco ACF Andreote Fernando Dini FD Varani Alessandro de Mello AM Andreote Cristiane Cipolla Fasanella CCF Ribeiro Iron Amoreli de Figueiredo IAF Kitano Isabella Takahashi IT Bernardo Eduardo Roberto de Almeida ERA

Microbiology resource announcements 20190905 36

Here, we report the draft genomic sequences and annotation of <i>Streptomyces misionensis</i> ACT66 and <i>Streptomyces albidoflavus</i> ACT77, which are two bacteria with potential application for phytopathogen biocontrol. ...[more]

PMID: 31488540

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Project description:BackgroundNewcastle disease virus (NDV) is a severe disease that affects domestic and wild birds. Controlled antibiotics derived from probiotics have been examined as prospective solutions for preserving seroconversion in NDV-vaccinated fowl. In this study, the secondary metabolite "telomycin" was extracted from Streptomyces coeruleorubidus (S. coeruleorubidus) isolated from Egypt's cultivated soil. The structure of telomycin was determined by the elucidation of spectroscopic analysis, including nuclear magnetic resonance (NMR) and mass spectrometry (MS) spectra, and comparison with the literature. The antiviral activity of the secondary metabolite was tested by checking its effect on NDV hemagglutination activity (HA). Moreover, HA of NDV was tested after inoculation of NDV (control) and a combination of telomycin and NDV in 10- days- specific pathogen-free embryonated chicken eggs (SPF-ECE) daily candling. Histopathological examination was performed for chorioallantoic membranes and liver of SPF-ECE.ResultsS. coeruleorubidus secondary metabolite "telomycin" showed complete hemagglutination inhibition (HI) activity of NDV strain (MN635617) with log106 infectivity titers (EID50/mL). The HA of NDV strain was 8 log2 and 9 log2 with 0.5% and 0.75% of chicken RBCs, respectively. Preserved structures of chorioallantoic-membranes (CAM) with dilated capillary networks were observed in the treated group inoculated with telomycin and NDV. Histological changes in SPF-ECE liver were examined after inoculation in ova to further characterize the telomycin effect. Telomycin and NDV mixture inoculated group showed preserved cytoarchitecture of hepatocytes with the presence of perivascular foci of lymphocytes. The group that was inoculated with telomycin alone showed normal histology of hepatic acini, central veins, and portal triads.ConclusionS. coeruleorubidus telomycin is a promising bioactive agent that might be a biological weapon against a deadly chicken NDV that costs farmers a lot of money.

Dataset Information

Draft Genomic Sequences of Streptomyces misionensis ACT66 and Streptomyces albidoflavus ACT77, Bacteria with Potential Application for Phytopathogen Biocontrol.

Publications

Draft Genomic Sequences of Streptomyces misionensis ACT66 and Streptomyces albidoflavus ACT77, Bacteria with Potential Application for Phytopathogen Biocontrol.

Similar Datasets

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