|Title||Three genetically distinct clades of Anaplasma phagocytophilum in Ixodes scapularis|
|Publication Type||Journal Article|
|Year of Publication||2018|
|Authors||Trost CN, Lindsay LR, Dibernardo A, Chilton NB|
|Journal||Ticks & Tick-borne Diseases|
|Keywords||Anaplasma phagocytophilum, ankA geneAp-ha variant, Ap-variant 1, blacklegged ticks, human granulocytic anaplasmosis, Ixodes scapularis|
Additional work is needed to explore the evolutionary history of A. phagocytophilum in North America, and to determine if there are differences in pathogenicity or clinical symptoms associated with the two divergent groups of the Ap-ha variant given the significant differences in ankA amino acid sequence.