<unk>  is species of bacteria of the spirochete class of the genus Borrelia.<unk>  is predominant in North America, but also exists in Europe, and is the causative agent of Lyme disease.
It is a zoonotic, vector-borne disease transmitted by ticks and is named after the researcher Willy<unk> who first isolated the bacterium in 1982.<unk>  is one of the few pathogenic bacteria that can survive without iron, having replaced all of its iron-sulphur cluster enzymes with enzymes that use manganese, thus avoiding the problem many pathogenic bacteria face in acquiring iron.<unk>  infections have been linked to non-Hodgkin lymphomas.
Borrelia burgdorferi
Borrelia afzelii
Borrelia mayonii
Borrelia recurrentis
Rickettsia rickettsii
Psoriatic arthritis
Treponema pallidum
Reactive arthritis