Gut microbiota of the tick vector Ixodes scapularis modulate colonization of the Lyme disease spirochete.
Gut microbiota of the tick vector Ixodes scapularis modulate colonization of the Lyme disease spirochete.
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DOI:
10.1016/j.chom.2013.12.001
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发表时间:
2014-01-15
影响因子:
30.3
通讯作者:
Fikrig E
中科院分区:
文献类型:
--
作者:
Narasimhan S;Rajeevan N;Liu L;Zhao YO;Heisig J;Pan J;Eppler-Epstein R;Deponte K;Fish D;Fikrig E
Arthopods, such as Ixodes ticks, serve as vectors for many human pathogens. The arthropod gut presents a pivotal microbial entry point and determines pathogen colonization and survival. We show that the gut microbiota of Ixodes scapularis, a major vector of the Lyme disease spirochete Borrelia burgdorferi, influence spirochete colonization of ticks. Perturbing the gut microbiota of larval ticks reduced Borrelia colonization, with dysbiosed larvae displaying decreased expression of the transcription factor STAT. Diminished STAT expression corresponded to lower expression of peritrophin, a key glycoprotein scaffold of the glycan-rich mucus-like peritrophic matrix (PM) that separates the gut lumen from the epithelium. The integrity of the I. scapularis PM was essential for B. burgdorferi to efficiently colonize the gut epithelium. These data elucidate a functional link between the gut microbiota, STAT-signaling, and pathogen colonization in the context of the gut epithelial barrier of an arthropod vector.
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影响因子:
2.2
作者:
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通讯作者:
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影响因子:
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DOI:
10.1073/pnas.1105994108
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影响因子:
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