Pseudomonadales
Pseudomonadales called an order within the Gammaproteobacteria. The species are chemoorganotroph and usually motile by flagella ( movable ). Like all Proteobacteria, they are gram negative. Azomonas and Azotobacter are among the free-living nitrogen-fixing bacteria. Within the genus Pseudomonas can be found pathogens of plants, humans and animals.
System
The order Pseudomonadales consists of two families, Moraxellaceae and Pseudomonadaceae. In some cases, a third family, the Azotobacteraceae (also written with i: Azotobacteriaceae ) placed in this order. Among microbiologists, this is controversial. The otherwise the Pseudomonadaceae associated genera Azotobacter and Azomonas be placed in this family. The earlier also asked to Azotobacteraceae genera Beijerinckia and Derxia are now out in other families the basis of studies of ribosomal RNA.
Furthermore, the genera Azotobacter, Azorhizophilus and Azomonas by some authors in the so-called Azotobacter group ( Azotobacter group) are summarized.
The following is a list of the respective classes:
- Moraxellaceae Rossau et al. 1991: Acinetobacter Brisou and Prévot 1954
- Alkanindiges Bogan et al. 2003
- Enhydrobacter Staley et al. 1987
- Moraxella Lwoff 1939 Moraxella catarrhalis (Frosch and Kolle1896 ) Henriksen and Bøvre 1968 Branhamella catarrhalis Syn (Frosch and Kolle 1896) Catlin 1970
- Pseudomonadaceae Winslow et al. 1917 Azomonas Winogradsky 1938
- Azorhizophilus Thompson & Skerman 1981
- Azotobacter Beijerinck 1901
- Cellvibrio ( Winogradsky 1929) Blackall et al. 1986
- Mesophilobacter Nishimura et al. 1989
- Pseudomonas Migula 1894
- Rhizobacter Goto & Kuwata 1988
- Rugamonas Austin & Moss 1987
- Serpens Goto & Kuwata 1988