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2,4-Diacetylphloroglucinol or Phl [1] [2] is a natural phenol found in several bacteria: . Specific strains of the Gram-negative bacterium Pseudomonas fluorescens. [3] This compound is found to be responsible for the antiphytopathogenic [4] and biocontrol [5] properties in these strains.
Pyrrolnitrin (PRN [1]) is a naturally occurring phenylpyrrole fungicide. [2] Pseudomonas and Burkholderia species produce pyrrolnitrin from tryptophan as secondary metabolite. [3] [4] It is believed that the antifungal properties come from inhibition of electron transport system.
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.
Pseudomonas is a genus of Gram-negative bacteria belonging to the family Pseudomonadaceae in the class Gammaproteobacteria.The 313 members of the genus [2] [3] demonstrate a great deal of metabolic diversity and consequently are able to colonize a wide range of niches. [4]
"Biosynthesis of the antibiotic obafluorin from D-[U-13 C]glucose and p-aminophenylalanine in Pseudomonas fluorescens". Journal of the Chemical Society, Perkin Transactions 1 (1): 103– 107. doi : 10.1039/P19920000103 .
The type that most commonly infects humans is Pseudomonas aeruginosa, which can lead to infections in the blood, lungs or other parts of the body, the CDC says. The agency points out that ...
Although many (>100) forms of pyoverdine have been isolated and studied, they all have certain characteristics in common. Each pyoverdine molecule has three parts: a dihydroxyquinoline core, a 6-14 amino acid peptide that varies among strains, and a side chain (usually composed of a 4-5 carbon α-ketoacid from the Krebs/citric acid cycle).
Example of fins fraying on a male betta fish. Fin rot is the phenomenon where the fins of a fish gradually decay and are eventually destroyed. Typically, fin rot is either a symptom of a disease, oftentimes a bacterial or fungal infection, but it can also sometimes be a disease by itself.