Microbial Profiling of Potato-Associated Rhizosphere Bacteria under Bacteriophage Therapy

Potato soft rot and wilt are economically problematic diseases due to the lack of effective bactericides. Bacteriophages have been studied as a novel and environment-friendly alternative to control plant diseases. However, few experiments have been conducted to study the changes in plants and soil m...

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Bibliographic Details
Published in:Antibiotics (Basel) 2022-08, Vol.11 (8), p.1117
Main Authors: Mousa, Samar, Magdy, Mahmoud, Xiong, Dongyan, Nyaruabaa, Raphael, Rizk, Samah Mohamed, Yu, Junping, Wei, Hongping
Format: Article
Language:English
Subjects:
Agricultural production
Antimicrobial agents
Bacteria
Bacterial infections
bacteriophage treatments
Biological control
Flowers & plants
Microbiomes
Microbiota
Microbiota (Symbiotic organisms)
Microorganisms
Mixers
Pathogens
Pests
phage cocktail therapy
Phages
Plant bacterial diseases
Plant diseases
Potatoes
Rhizosphere
rhizosphere microbiota
Signs and symptoms
single phage therapy
Soft rot
Soil microorganisms
Soils
Solanum tuberosum
Wilt
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Summary:Potato soft rot and wilt are economically problematic diseases due to the lack of effective bactericides. Bacteriophages have been studied as a novel and environment-friendly alternative to control plant diseases. However, few experiments have been conducted to study the changes in plants and soil microbiomes after bacteriophage therapy. In this study, rhizosphere microbiomes were examined after potatoes were separately infected with three bacteria (Ralstonia solanacearum, Pectobacterium carotovorum, Pectobacterium atrosepticum) and subsequently treated with a single phage or a phage cocktail consisting of three phages each. Results showed that using the phage cocktails had better efficacy in reducing the disease incidence and disease symptoms’ levels when compared to the application of a single phage under greenhouse conditions. At the same time, the rhizosphere microbiota in the soil was affected by the changes in micro-organisms’ richness and counts. In conclusion, the explicit phage mixers have the potential to control plant pathogenic bacteria and cause changes in the rhizosphere bacteria, but not affect the beneficial rhizosphere microbes.
ISSN:2079-6382
2079-6382
DOI:10.3390/antibiotics11081117