BBA52 facilitates Borrelia burgdorferi transmission from feeding ticks to murine hosts.
BBA52 facilitates Borrelia burgdorferi transmission from feeding ticks to murine hosts.
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DOI:
10.1086/651172
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发表时间:
2010-04-01
期刊:
影响因子:
--
通讯作者:
Pal U
中科院分区:
文献类型:
--
作者:
Kumar M;Yang X;Coleman AS;Pal U
Borrelia burgdorferi, the pathogen of Lyme borreliosis, persists in nature through a tick-rodent transmission cycle. A selective assessment of the microbial transcriptome, limited to gene encoding putative membrane proteins, reveals that bba52 transcription in vivo is strictly confined to the vector-specific portion of microbial life cycle with highest expression levels in feeding ticks and swift downregulation in mice. bba52 deletion did not affect murine disease as assessed by the genesis of arthritis and carditis or long-term pathogen persistence in mice or ticks. However, bba52 deficiency did impair microbial transitions between hosts and vector, defects that could be fully rescued when bba52 expression was genetically restored to the original genomic locus. These studies establish that BBA52 facilitates vector-host transitions by the pathogen and as such, is a potential antigenic target for interference with B. burgdorferi transmission from ticks to mammalian hosts.
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