Kapranov P, Cheng J, Dike S, Nix DA, Duttagupta R, Willingham AT, Stadler PF, Hertel J, Hackermüller J, Hofacker IL, Bell I, Cheung E, Drenkow J, Dumais E, Patel S, Helt G, Ganesh M, Ghosh S, Piccolboni A, Sementchenko V, Tammana H, Gingeras TR.

Science. 2007 Jun 8;316(5830):1484-8 doi:10.1126/science.1138341

RNA maps reveal new RNA classes and a possible function for pervasive transcription.

Small RNAs were directly labelled with pCpBiotin. Defines PASRs and PALRs as promoter-associated long or short RNAs.