Jia, K., Chen, D. and Riddle, D.L.
Notes: The authors of this study investigated the function of the daf-15 gene in C. elegans. The daf-15 gene encodes the C. elegans ortholog of raptor, a protein involved in the TOR signaling pathway. In C. elegans, daf-15 transcription is regulated by DAF-16, a FOXO transcription factor which is itself regulated by the insulin/IGF-1 signaling pathway. This work links regulation of the TOR pathway, which controls cell growth, to the insulin/IGF-1 pathway, known to affect lifespan, development and metabolism. Three candidate daf-15 genes were amplified by PCR and cloned into the pGEM®-T Vector. The Riboprobe® SP6/T7 transcription system was used to transcribe RNA from the candidate clones. Semiquantitative RT-PCR was performed to compare daf-15 mRNA levels in daf-2 and daf-16; daf-2 mutant animals. The mRNA was purified from total worm RNA using the PolyATtract® mRNA Isolation System. (3633)