exonuclease : Definition, Usages, News and More
- n a nuclease that releases one nucleotide at a time (serially) beginning at one of a nucleic acid
- Carol Greider in Science Daily (press release)
Fusion happens, but it's not the primary mechanism that triggers gene loss after telomeres get too short,says Greider. "Instead, exonuclease activity causes the bulk of immediate gene loss."