Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases · 2011
Does RecA have a role in Borrelia recurrentis?
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Cutler S J, Rinky I J, Bonilla E M
Аннотация
Genomic sequencing of two relapsing fever spirochaetes showed truncation of recA in Borrelia recurrentis, but not in Borrelia duttonii. RecA has an important role among bacteria; we investigated whether this characteristic was representative of B. recurrentis, or an artefact following in vitro cultivation. We sequenced recA directly from samples of patient with louse-borne relapsing fever (B. recurrentis) or tick-borne relapsing fever (B. duttonii). We confirmed the premature stop codon in seven louse-borne relapsing fever samples, and its absence from three tick-borne relapsing fever samples. Furthermore, specific signature polymorphisms were found that could differentiate between these highly similar spirochaetes.