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The Burkholderiales are an order of Proteobacteria. Like all Proteobacteria, they are Gram-negative. They include several pathogenic bacteria, including species of Burkholderia, Bordetella, and Ralstonia. They also include Oxalobacter and related genera, which are unusual in using oxalic acid as their source of carbon.. Other well-studied genera include Alcaligenes, Cupriavidus, Achromobacter, Comamonas, Delftia, Massilia, Duganella, Janthinobacterium, Polynucleobacter, non-pathogenic Paraburkholderia, Caballeronia, Polaromonas, Thiomonas, Collimonas, Hydrogenophaga, Sphaerotilus, Variovorax, Acidovorax, Rubrivivax and Rhodoferax, and Herbaspirillum.
Nylon-eating bacteria are a strain of Arthrobacter that can digest certain by-products of nylon 6 manufacture. This strain of Flavobacterium sp. K172, became popularly known as nylon-eating bacteria, and the enzymes used to digest the man-made molecules became popularly known as nylonase.
Achromobacter is a genus of bacteria, included in the family Alcaligenaceae in the order Burkholderiales. The cells are Gram-negative straight rods and are motile by using one to 20 peritrichous flagella. They are strictly aerobic and are found in water and soils. They have also been identified as a contaminant in laboratory cell cultures. They have been identified as opportunistic human pathogens in people with certain immunosuppressive conditions such as cystic fibrosis, cancer and kidney failure.
Achromobacter ruhlandii is a Gram-negative bacterium included in the order Burkholderiales.
Nitrate reductase (cytochrome) (EC 1.9.6.1, respiratory nitrate reductase, benzyl viologen-nitrate reductase) is an enzyme with systematic name ferrocytochrome:nitrate oxidoreductase. This enzyme catalises the following chemical reaction
Lysyl endopeptidase is an enzyme. This enzyme catalyses the following chemical reaction
Beta-lytic metalloendopeptidase is an enzyme. This enzyme catalyses the following chemical reaction
Achromobacter denitrificans is a Gram-negative, oxidase- and catalase-positive, strictly aerobic, ubiquitous, motile bacterium from the genus Achromobacter which was isolated from soil and can cause human infections.
Achromobacter insolitus is a Gram-negative, oxidase- and catalase-positive bacterium from the genus Achromobacter which was isolated from various human clinical samples.
Achromobacter arsenitoxydans is a Gram-negative, strictly aerobic, rod-shaped bacterium from the genus Achromobacter which was isolated from soil of an arsenic-contaminated pig farm. Achromobacter arsenitoxydans has the ability to oxidize arsenite to arsenate. The complete genome of A. arsenitoxydans has been sequenced.
Achromobacter clevelandea is a bacterium from the genus Achromobacter isolated from iron-rich sediment in Cleveland in the United Kingdom.
Achromobacter cycloclastes is a Gram-negative, aerobic bacterium from the genus Achromobacter. The complete genome of A. cycloclastes has been sequenced.
Achromobacter lyticus is a Gram-negative bacterium from the genus Achromobacter. The enzyme lysyl endopeptidase was isolated from A. lyticus.
Achromobacter marplatensis is a Gram-negative bacterium from the genus Achromobacter which was isolated from a pentachlorophenol-contaminated soil in Mar del Plata by Murialdo et al.
Achromobacter obae is a bacterium from the genus Achromobacter which contains the enzyme alpha-amino-epsilon-caprolactam racemase. The complete genome of A. obae has been sequenced.
Achromobacter piechaudii is a Gram-negative, aerobic, oxidase-positive, rod-shaped, motile bacterium from the genus Achromobacter. The complete genome of A. piechaudii has been sequenced.
Achromobacter spanius is a Gram-negative, oxidase- and catalase-positive, rod-shaped bacterium from the genus Achromobacter isolated from various human clinical samples.
Achromobacter xylosoxidans is a Gram-negative, aerobic, oxidase and catalase-positive, motile bacterium with peritrichous flagella, from the genus Achromobacter. It is generally found in wet environments. Achromobacter xylosoxidans can cause infections such as bacteremia, especially in patients with cystic fibrosis. In 2013, the complete genome of an A. xylosoxidans strain from a patient with cystic fibrosis was sequenced.
Alcaligenes denitrificans is a Gram-negative, oxidase- and catalase-positive, strictly aerobic, motile bacterium with peritrichous flagella, from the genus Alcaligenes. Based on 16S rDNA sequence analysis and the low degree of DNA relatedness between other members of Achromobacter species, Yabuuchi et al propose that Alcaligenes denitrificans should be classified as a subspecies of 'Achromobacter xylosoxidans.
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