The conversation between human and AI assistant.
[|Human|] What are the two major bacterial pathogens of Anaplasma bacteria?
[|AI|] The two major bacterial pathogens are Anaplasma marginale and Anaplasma phagocytophilum. These microorganisms are Gram-negative, and infect red blood cells.
[|Human|] 
What are the two major bacterial pathogens of Anaplasma bacteria?