Campylobacterota

Campylobacterota is a phylum of Gram-negative bacteria. This phylum was previously known as Epsilonproteobacteria before the reclassification by the International Committee on Systematics of Prokaryotes (ICSP). The phylum includes important pathogens, such as Helicobacter pylori, which causes stomach ulcers, and Campylobacter jejuni, which causes foodborne illness.

Classification

The phylum Campylobacterota is divided into three classes: Campylobacteria, Desulfurellia, and Sulfurospirilla. These classes are further divided into several orders and families.

Characteristics

Campylobacterota are typically rod-shaped and motile. They are often found in the gastrointestinal tract of animals, including humans. Some species are microaerophilic, meaning they require low levels of oxygen to survive. Others are anaerobic, meaning they can survive without oxygen.

Pathogenesis

Several species of Campylobacterota are known to cause disease in humans. Helicobacter pylori is associated with stomach ulcers and gastric cancer. Campylobacter jejuni is a common cause of foodborne illness, often resulting from the consumption of contaminated poultry.

Treatment

Treatment for infections caused by Campylobacterota typically involves antibiotics. However, some strains have developed antibiotic resistance, making treatment more difficult.

See also

• Bacteria
• Microbiology
• Infectious disease

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