例如:"lncRNA", "apoptosis", "WRKY"

Modulation of Caenorhabditis elegans infection sensitivity by the LIN-7 cell junction protein.

Cell. Microbiol.2012 Oct;14(10):1584-99. doi:10.1111/j.1462-5822.2012.01824.x. Epub 2012 Jun 21
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摘要


In Caenorhabditis elegans, the LIN-2/7/10 protein complex regulates the activity of signalling proteins. We found that inhibiting lin-7 function, and also lin-2 and lin-10, resulted in enhanced C. elegans survival after infection by Burkholderia spp., implicating a novel role for these genes in modulating infection outcomes. Genetic experiments suggested that this infection phenotype is likely caused by modulation of the DAF-2 insulin/IGF-1 signalling pathway. Supporting these observations, yeast two-hybrid assays confirmed that the LIN-2 PDZ domain can physically bind to the DAF-2 C-terminus. Loss of lin-7 activity also altered DAF-16 nuclear localization kinetics, indicating an additional contribution by hsf-1. Unexpectedly, silencing lin-7 in the hypodermis, but not the intestine, was protective against infection, implicating the hypodermis as a key tissue in this phenomenon. Finally, consistent with lin-7 acting as a general host infection factor, lin-7 mutants also exhibited enhanced survival upon infection by two other Gram-negative pathogens, Pseudomonas and Salmonella spp.

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原始数据


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