obsolete nuclear-transcribed mRNA catabolic process, exonucleolytic (obsolete GO:0000291)
exonucleolytic degradation of mRNA
exact
mRNA breakdown, exonucleolytic
exact
mRNA degradation, exonucleolytic
exact
nuclear mRNA catabolic process, exonucleolytic
exact
OBSOLETE. The chemical reactions and pathways resulting in the breakdown of the transcript body of a nuclear-transcribed mRNA that occurs when the ends are not protected by the 5'-cap or the 3'-poly(A) tail.