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Citation Xiao Y, Liu F, Zhao PJ, Zou CG, Zhang KQ. PKA/KIN-1 mediates innate immune responses to bacterial pathogens in Caenorhabditis elegans. Innate Immun, 2017.
PubMed ID 28958206
Short Description PKA/KIN-1 mediates innate immune responses to bacterial pathogens in Caenorhabditis elegans.
GEO Record: GSE86342 Platform: GPL11346
Download gene-centric, log2 transformed data: WBPaper00053137.ce.mr.csv
# of Conditions 3
Full Description 1316625150_help The genetically tractable organism Caenorhabditis elegans is a powerful model animal for the study of host innate immunity. Although the intestine and the epidermis of C. elegans that is in contact with pathogens are likely to function as sites for the immune function, recent studies indicate that the nervous system could control innate immunity in C. elegans. In this report, we demonstrated that protein kinase A (PKA)/KIN-1 in the neurons contributes to resistance against Salmonella enterica infection in C. elegans. Microarray analysis revealed that PKA/KIN-1 regulates the expression of a set of antimicrobial effectors in the non-neuron tissues, which are required for innate immune responses to S. enterica. Furthermore, PKA/KIN-1 regulated the expression of lysosomal genes during S. enterica infection. Our results suggest that the lysosomal signaling molecules are involved in autophagy by controlling autophagic flux, rather than formation of autophagosomes. As autophagy is crucial for host defense against S. enterica infection in a metazoan, the lysosomal pathway also acts as a downstream effector of the PKA/KIN-1 signaling for innate immunity. Our data indicate that the PKA pathway contributes to innate immunity in C. elegans by signaling from the nervous system to periphery tissues to protect the host against pathogens.
Experimental Details:
Tags 1316625150_help
Method: microarray, Species: Caenorhabditis elegans, Topic: WT vs. mutant