Simple method to grow enteric campylobacters in unsupplemented liquid medium without the need for microaerophilic kits

Campylobacter strains (100 human, animal and environmental isolates) were grown in untreated brain heart infusion broth medium (10 ml in tightly capped 20 ml capacity universal tubes) without using microaerophilic kits. Cells grown in these conditions did not differ in their growth rates, protein profiles or substrate utilisation even after 40 passages compared to cells grown under microaerophilic conditions. Growth in such conditions provides a cost effective, convenient and simple system for growing pure culture of campylobacters and obviates the generation of microaerobic conditions using specialised kits.