- Gram-negative
- Aerobic
- motile
- positive catalase test
- positive oxidase test.
- fruity odor
- absence of gas formation from glucose
- indole negative
- methyl red negative
- citrate positive.
- secretion of pyoverdine, a fluorescent yellow-green siderophore .Certain Pseudomonas species may also produce additional types of siderophore, such as pyocyanin by Pseudomonas aeruginosa and thioquinolobactin by Pseudomonas fluorescens.
Pseudomonas
