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. 2007 May 16;2(5):e451. doi: 10.1371/journal.pone.0000451

Figure 7. Passive transfer of rabbit tick-immune serum to mice impairs the ability of B. burgdorferi infected nymphs to transmit spirochetes to mice.

Figure 7

A. The ability of nymphs to feed on rabbits upon repeated infestation was decreased. Inset. Immunoblot of B. burgdorferi protein extract probed with anti-Borrelia antiserum (lane 1) or nymph-immune rabbit serum (lane 2). B. Inset. Quantitative RT-PCR assessment of Borrelia burden as scored by levels of flaB amplicons in the midguts (MG) and salivary glands (SG) of nymphs feeding on mice that received rabbit tick-immune serum (RTIS) or naive serum (NRS); and quantitative PCR assessment of Borrelia burden in the bladder and skin of mice that received rabbit tick-immune serum (RTIS) or naïve (NRS) serum.