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|Noun||1.||Pseudomonadales - one of two usually recognized orders of true bacteria; Gram-negative spiral or spherical or rod-shaped bacteria usually motile by polar flagella; some contain photosynthetic pigments|
animal order - the order of animals
division Eubacteria - one-celled monerans having simple cells with rigid walls and (in motile types) flagella
family Pseudomonodaceae, Pseudomonodaceae - rod-shaped Gram-negative bacteria; include important plant and animal pathogens
family Nitrobacteriaceae, Nitrobacteriaceae - usually rod-shaped bacteria that oxidize ammonia or nitrites: nitrobacteria
family Thiobacteriaceae, Thiobacteriaceae - free-living coccoid to rod-shaped bacteria that derive energy from oxidizing sulfur or sulfur compounds
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