| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Shehata, Ahmed. S. Samy, Marwa A. Sobhy, Sherien E. Farag, Aida M. El-Sherbiny, Ibrahim M. Saleh, Ahmed A. Hafez, Elsayed E. Abdel-Mogib, Mamdouh Aboul-Ela, Haiam M. |
| Abstract | Pathogenic fungi employ numerous strategies to colonize plants, infect them, reduce crop yield and quality, and cause significant losses in agricultural production. The increasing use of chemical pesticides has led to various ecological and environmental issues, including the emergence of resistant weeds, soil compaction, and water pollution, all negatively impacting agricultural sustainability. Additionally, the extensive development of synthetic fungicides has adverse effects on animal and human health, prompting the exploration of alternative approaches and green strategies for phytopathogen control. Microorganisms living in sponges represent a promising source of novel bioactive secondary metabolites, potentially useful in developing new nematicidal and antimicrobial agents. This study focuses on extracting bioactive compounds from endosymbiotic bacteria associated with the marine sponge Hyrtios erect sp. (collected from NIOF Station, Hurghada, Red Sea, Egypt) using various organic solvents. Bacillus sp. was isolated and identified through 16 S rRNA gene sequencing. The biocidal activity of Bacillus gotheilii MSB1 extracts was screened against plant pathogenic bacteria, fungi, and nematodes. The n-butanol extract showed significant potential as a biological fungicide against Alternaria alternata and Fusarium oxysporum. Both n-hexane and ethyl acetate extracts exhibited negative impacts against the plant pathogenic bacteria Erwinia carotovora and Ralstonia solanacearum, whereas the n-butanol extract had a positive effect. Regarding nematicidal activity, ethyl acetate and n-butanol extracts demonstrated in-vitro activity against the root-knot nematode Meloidogyne incognita, which causes serious vegetable crop diseases, but the n-hexane extract showed no positive effects. The findings suggest that bioactive compounds from endosymbiotic bacteria associated with marine sponges, particularly B. gotheilii MSB1, hold significant potential as alternative biological control agents against plant pathogens. The n-butanol extract, in particular, displayed promising biocidal activities against various plant pathogenic fungi, bacteria, and nematodes. These results support further exploration and development of such bioactive compounds as sustainable, environmentally friendly alternatives to synthetic pesticides and fungicides in agricultural practices. |
| Related Links | https://bmcbiotechnol.biomedcentral.com/counter/pdf/10.1186/s12896-024-00920-y.pdf |
| Ending Page | 16 |
| Page Count | 16 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14726750 |
| DOI | 10.1186/s12896-024-00920-y |
| Journal | BMC Biotechnology |
| Issue Number | 1 |
| Volume Number | 24 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-11-13 |
| Access Restriction | Open |
| Subject Keyword | Applied Microbiology Biotechnology Biochemical Engineering Genetic Engineering Plant Breeding Biomedical Engineering Bacillus gottheilii MSB1 Endosymbiotic bacteria Biopesticide Antifungal agents Nematocide agents Plant Breeding/Biotechnology Biomedical Engineering/Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biotechnology |
| Journal Impact Factor | 3.5/2023 |
| 5-Year Journal Impact Factor | 3.2/2023 |
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