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Notably, the Pseudomonas syringae family is linked to diseases affecting a wide range of agricultural plants, with different strains showing adaptations to specific host species. In particular, the virulent strain Pseudomonas tolaasii is responsible for causing blight and degradation in edible mushroom species. [47]
[13] [17] The same comparative study (494 Pseudomonas strains, of which 189 are P. aeruginosa) identified that 41 of the 1811 P. aeruginosa core proteins were present only in this species and not in any other member of the genus, with 26 (of the 41) being annotated as hypothetical.
Between individuals of different strains, or between P. stutzeri strains and other Pseudomonas species, however, the frequency of transformation is usually greatly reduced. [34] The complete genome sequence of a highly transformable P. stutzeri strain, strain 28a24, has been determined and is available for observation. [35]
Pseudomonas syringae is a rod-shaped, Gram-negative bacterium with polar flagella.As a plant pathogen, it can infect a wide range of species, and exists as over 50 different pathovars, [2] all of which are available to researchers from international culture collections such as the NCPPB, ICMP, and others.
A species-specific extragenic palindromic sequence is the most common repeat in the genome that can be exploited for the typing of P. putida strains. In the coding sequence of P. putida, LLL is the most abundant tripeptide. [14] Phylogenomic analysis reclassified the strain KT2440 in a new species Pseudomonas alloputida. [6]
Pseudomonas fluorescens has multiple flagella, an extremely versatile metabolism, and can be found in the soil and in water.It is an obligate aerobe, but certain strains are capable of using nitrate instead of oxygen as a final electron acceptor during cellular respiration.
A comparative genomic and phylogenomic study in 2020, analyzed 494 complete genomes from the entire Pseudomonas genus, with 43 of them being P. chlororaphis strains. [3] In this study, the P. chlororaphis species was determined, based on its monophyly and
Pseudomonas protegens are widespread Gram-negative, plant-protecting bacteria. [1] Some of the strains of this novel bacterial species (CHA0 and Pf-5, for example) previously belonged to P. fluorescens. They were reclassified since they seem to cluster separately from other fluorescent Pseudomonas species.