A study of Caenorhabditis elegans DAF-2 mutants by metabolomics and differential correlation networks.

A study of Caenorhabditis elegans DAF-2 mutants by metabolomics and differential correlation networks.
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DOI:
10.1039/c3mb25539e
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发表时间:
2013-07
影响因子:
--
通讯作者:
Griffin JL
Griffin JL
中科院分区:
生物3区
文献类型:
--
作者:
Castro C;Krumsiek J;Lehrbach NJ;Murfitt SA;Miska EA;Griffin JL

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daf-2是秀丽隐杆线虫中研究最多的突变体之一:它在胰岛素/胰岛素样生长因子(IGF)受体的基因直向同源物中含有缺失。使用高分辨率1H NMR光谱,代谢组学有助于剖析改变的daf-2信号的代谢后果。在这里,我们提出了一个详细的代谢组学分析的daf-2,使用NMR光谱,气相色谱-质谱(GC-MS)和液相色谱-质谱(LC-MS),以整合不同途径的信息。然后,我们使用Pearson和偏相关分析来构建网络,以探索daf-2在调节脂肪酸和氨基酸代谢中的核心作用。结果显示了代谢组的这两个部分之间的紧密联系。
daf-2 is one of the most studied mutants in C.elegans: it contains a deletion in the gene orthologue of the insulin/insulin-like growth factor (IGF) receptor. Using high resolution 1H NMR spectroscopy, metabolomics has helped to dissect the metabolic consequences of altered daf-2 signalling. Here, we present a detailed metabolomic analysis of daf-2, using NMR spectroscopy, gas chromatographymass spectrometry (GC-MS) and liquid chromatography mass spectrometry (LC-MS) to integrate information from different pathways. We have then used Pearson and partial correlation analysis to build networks to explore the central role of daf-2 in regulating fatty acid and amino acid metabolism. The results show the tight link between these two parts of the metabolome.
DOI: 10.1186/1752-0509-5-21
发表时间: 2011-01-31
影响因子: --
作者:
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