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Pseudomonas syringae—more than any mineral or other organism—is responsible for the surface frost damage in plants [25] exposed to the environment. For plants without antifreeze proteins, frost damage usually occurs between −4 and −12 °C (25 and 10 °F) as the water in plant tissue can remain in a supercooled liquid state.
Around 51% of Pseudomonas bacteria found in dairy processing plants are P. fluorescens, with 69% of these isolates possessing proteases, lipases, and lecithinases which contribute to degradation of milk components and subsequent spoilage. [49] Other Pseudomonas species can possess any one of the proteases, lipases, or lecithinases, or none at ...
Rhizosphere microorganisms can influence one another, and the resulting consortia of PGPB + PGPB (e.g., a nitrogen-fixing bacterium such as Rhizobium spp. and Pseudomonas fluorescens), AMF + PGPB, and Trichoderma + PGPB may have synergetic effects on plant growth and fitness, providing the plant with enhanced benefits to overcome biotic and ...
Pseudomonas aeruginosa can cause chronic opportunistic infections that have become increasingly apparent in immunocompromised patients and the ageing population of industrialised societies. The genome sequences of several pseudomonads have become available in recent years and researchers are beginning to use the data to make new discoveries ...
Pseudomonas brassicacearum is a Gram-negative soil bacterium that infects the roots of Brassica napus, [1] from which it derives its name. Based on 16S rRNA analysis, P. brassicacearum falls within the P. fluorescens group. [2] It has also been shown to have both pathogenic and plant growth-promoting effects on tomato plants. [3]
Pseudomonas viridiflava is a fluorescent, Gram-negative, soil bacterium that is pathogenic to plants. [1] It was originally isolated from the dwarf or runner bean, in Switzerland. Based on 16S rRNA analysis, P. viridiflava has been placed in the P. syringae group. [2] Following ribotypical analysis misidentified strains of Pseudomonas syringae pv.
Pseudomonas fluorescens is a common Gram-negative, rod-shaped bacterium. [1] It belongs to the Pseudomonas genus ; 16S rRNA analysis as well as phylogenomic analysis has placed P. fluorescens in the P. fluorescens group within the genus, [ 2 ] [ 3 ] to which it lends its name.
Pseudomonas chlororaphis is a bacterium used as a soil inoculant in agriculture and horticulture. It can act as a biocontrol agent against certain fungal plant pathogens via production of phenazine-type antibiotics. [1] Based on 16S rRNA analysis, similar species have been placed in its group. [2]