p120 catenin is required for the stress response in Drosophila.

p120 catenin is required for the stress response in Drosophila.
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DOI:
10.1371/journal.pone.0083942
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Vidal M
Vidal M
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Stefanatos RK;Bauer C;Vidal M

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p120 ctn是钙粘蛋白连接的普遍表达的核心组分,并且是脊椎动物发育所必需的。令人惊讶的是,果蝇p120 ctn(dp 120 ctn)是粘附连接和发育的抑制剂,这阻碍了果蝇研究人员进一步追求dp 120 ctn的生物学作用。在这里,我们表明,dp 120 ctn损失的结果增加热休克的敏感性和减少动物寿命,这是完全获救的异位表达的dp 120 ctn-GFP转基因。转录组学分析显示,dp 120 ctn缺失后,多个relish/NF-κB靶基因差异表达。重要的是,这种异常的基因表达通过dp 120 ctn-GFP的过表达或调味品的杂合性而得以挽救。我们的研究结果揭示了dp 120 ctn在动物应激反应和免疫信号调节中的新作用。这可能代表了p120 ctn的古老作用,并可能影响果蝇和哺乳动物的进一步研究。
p120ctn is a ubiquitously expressed core component of cadherin junctions and essential for vertebrate development. Surprisingly, Drosophila p120ctn (dp120ctn) is dispensable for adherens junctions and development, which has discouraged Drosophila researchers from further pursuing the biological role of dp120ctn. Here we demonstrate that dp120ctn loss results in increased heat shock sensitivity and reduced animal lifespan, which are completely rescued by ectopic expression of a dp120ctn-GFP transgene. Transcriptomic analysis revealed multiple relish/NF-κB target genes differentially expressed upon loss of dp120ctn. Importantly, this aberrant gene expression was rescued by overexpression of dp120ctn-GFP or heterozygosity for relish. Our results uncover a novel role for dp120ctn in the regulation of animal stress response and immune signalling. This may represent an ancient role of p120ctn and can influence further studies in Drosophila and mammals.
DOI: 10.1371/journal.pone.0015747
发表时间: 2010-12-31
期刊: PloS one
影响因子: 3.7
作者:
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