A de novo Assembly of the Common Frog (Rana temporaria) Transcriptome and Comparison of Transcription Following Exposure to Ranavirus and Batrachochytrium dendrobatidis.

A de novo Assembly of the Common Frog (Rana temporaria) Transcriptome and Comparison of Transcription Following Exposure to Ranavirus and Batrachochytrium dendrobatidis.
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暴露于Ranavirus和Batrachochytrium dendrobatidis后,共同青蛙(Rana temeraria)转录组的从头组装和转录的比较。

DOI:
10.1371/journal.pone.0130500
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发表时间:
2015
期刊:
影响因子:
3.7
通讯作者:
Griffiths AG
Griffiths AG
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Price SJ;Garner TW;Balloux F;Ruis C;Paszkiewicz KH;Moore K;Griffiths AG

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两栖动物正在经历全球性的减少和灭绝,传染病是一个主要因素。在这项研究中,我们研究了变形宿主(普通青蛙,临时蛙)对两种最重要的两栖动物病原体:水蛭壶菌(Bd)和Ranavirus的转录反应。我们发现,在暴露于这两种病原体4天后,参与适应性免疫反应(AP4S1)的一个基因出现了强烈的上调。我们检测到对Bd的显著转录反应,包括免疫反应(先天和适应性免疫、补体激活和一般炎症反应),但对Ranavirus的转录反应相对较少。这可能反映了感染Ranavirus的野生普通青蛙比感染Bd的青蛙死亡率更高。这些数据为两栖动物提供了宝贵的基因组资源,有助于了解病原体暴露后基因表达的变化,并为未来的宿主-病原体研究提供了潜在的候选基因。
Amphibians are experiencing global declines and extinctions, with infectious diseases representing a major factor. In this study we examined the transcriptional response of metamorphic hosts (common frog, Rana temporaria) to the two most important amphibian pathogens: Batrachochytrium dendrobatidis (Bd) and Ranavirus. We found strong up-regulation of a gene involved in the adaptive immune response (AP4S1) at four days post-exposure to both pathogens. We detected a significant transcriptional response to Bd, covering the immune response (innate and adaptive immunity, complement activation, and general inflammatory responses), but relatively little transcriptional response to Ranavirus. This may reflect the higher mortality rates found in wild common frogs infected with Ranavirus as opposed to Bd. These data provide a valuable genomic resource for the amphibians, contribute insight into gene expression changes after pathogen exposure, and suggest potential candidate genes for future host-pathogen research.
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