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Helicobacteraceae

Campylobacterales
ARS Campylobacter jejuni.jpg
Campylobacter jejuni bacteria
Scientific classification
Domain: Bacteria
Phylum: Proteobacteria
Class: Epsilonproteobacteria
Order: Campylobacterales
Families and genera

Campylobacteraceae
   Campylobacter
   Arcobacter
   Sulfurospirillum

Helicobacteraceae
   Flexispira
   Helicobacter
   Sulfuricurvum
   Sulfromonas
   Thiovulum
   Wolinella


Campylobacteraceae
   Campylobacter
   Arcobacter
   Sulfurospirillum

Helicobacteraceae
   Flexispira
   Helicobacter
   Sulfuricurvum
   Sulfromonas
   Thiovulum
   Wolinella

The Campylobacterales are an order of Proteobacteria which make up the epsilon subdivision, together with the small family Nautiliaceae. Like all Proteobacteria, they are Gram-negative. Most of the species are microaerophilic.

Comparative genomic analysis has led to the identification of 49 proteins which are uniquely found in virtually all species of the order Campylobacterales. Additionally, two conserved signature indels have been identified which, along with the proteins, serve as molecular markers for the order. The indels are a three-amino-acid insertion in the B protein of the Uvr ABC system, and a two-amino-acid deletion in phenylalanyl-tRNA synthetase.



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