Identification of the Babesia-responsive leucine-rich repeat domain-containing protein from the hard tick Haemaphysalis longicornis.

Haemaphysalis longicornis is a tick known for transmitting Babesia parasites, including Babesia gibsoni, in East Asian countries. The vector tick must have strategies to control Babesia parasites, while Babesia parasites are also considered to establish an evasive mechanism from the tick's innate immunity. Due to this mutual tolerance, H.