B. anthracis

Bacillus anthracis Ames strain is the causative agent of anthrax, a deadly disease affecting humans and animals. Its genome sequencing aids in understanding anthrax pathogenesis and developing countermeasures. 10.1038/nature01586 (May 1, 2003)

B. bovis

Babesia bovis is a protozoan parasite transmitted by ticks and causes bovine babesiosis, a severe disease in cattle. Its genome sequencing aids in understanding parasite biology and developing control measures. 10.1371/journal.ppat.0030148 (Oct 19, 2007)

A. fulgidus

Archaeoglobus fulgidus is an archaeal species found in deep-sea hydrothermal vents. Its genome sequencing aids in understanding extremophile adaptations and early evolution of life on Earth. 10.1038/37052 (Nov 27, 1997)

A. marina

Acaryochloris marina is a unique cyanobacterium capable of chlorophyll d-based photosynthesis, which absorbs far-red light. Its genome sequencing aids in understanding photosynthetic adaptations to low-light environments. 10.1073/pnas.0709772105 (Feb 12, 2008)

E. coli

Escherichia coli, a common gut bacterium, has been extensively studied in microbiology. Its genome sequencing provides insights into bacterial genetics, metabolism, and pathogenicity. 10.1126/science.277.5331.1453 (Sep 5, 1997)