Table 1.

Major Gram-negative bacteria pathogens as causative agents of bacterial infections.

Diseases/Conditions	Associated Gram-Negative Bacteria
Brucellosis [89,90]	Brucella spp.
Cholera [91,92]	Vibrio cholerae
Gastroenteritis [93,94,95]	E. coli, Salmonella spp., Shigella spp., Campylobacter jejuni
Gonorrhea [96,97]	Neisseria gonorrhoeae
Legionnaires’ Disease [98,99]	Legionella pneumophila
Pertussis [100,101]	Bordetella pertussis
Plague [102,103]	Yersinia pestis
Respiratory tract infection, Pneumonia [104,105,106]	E. coli, Klebsiella pneumonia, Acinetobacter baumanii, Pseudomonas aeruginosa
Shigellosis [107,108,109]	Shigella spp.
Surgical wound infection [110,111,112]	E. coli, Klebsiella pneumonia, Acinetobacter baumanii, Pseudomonas aeruginosa
Tularemia [113,114]	Francisella tularensis
Typhoid fever [115,116]	Salmonella typhimurium
Urinary tract and urinary-catheter infections [117,118,119,120,121]	E. coli, Klebsiella pneumonia