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Journal Articles Microorganisms Year : 2022

Pseudomonas ST1 and Pantoea Paga Strains Cohabit in Olive Knots

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Abstract

Two bacteria belonging to the Pseudomonas and Pantoea genera were isolated from olive knots. Both bacterial strains were omnipresent in this study’s olive orchard with high susceptibility of the autochthonous olive genotypes indicating coevolution of bacteria with host plants. Genomes of two endemic bacteria show conserved core genomes and genome plasticity. The Pseudomonas ST1 genome has conserved virulence-related genes including genes for quorum sensing, pilus, and flagella biosynthesis, two copies of indole acetic acid biosynthesis (IAA) operons, type I-VI secretions systems, and genes for alginate and levan biosynthesis. Development of knots depends only on the presence of the Pseudomonas ST1 strain which then allows Pantoea paga strain co-infection and cohabitation in developed knots. The two bacteria are sensitive to a large number of antimicrobials, antibiotics, H2O2, and Cu (II) salts that can be efficiently used in propagation of bacterial free olive cultivars.
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Dates and versions

hal-03789075 , version 1 (27-09-2022)

Licence

Attribution - CC BY 4.0

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Gabriela Vuletin Selak, Marina Raboteg Božiković, Danis Abrouk, Marija Bolčić, Katja Žanić, et al.. Pseudomonas ST1 and Pantoea Paga Strains Cohabit in Olive Knots. Microorganisms, 2022, 10 (8), pp.1529. ⟨10.3390/microorganisms10081529⟩. ⟨hal-03789075⟩
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