The affinity of MutS using a band-shift assay for base mismatches was determined to be T-G, C-A>A-A, G-G, T-T>A-G, C-T, ... First, Lac+ mutant bacteria pre-existing in the culture before plating form colonies within 2–3 days with a Luria-Delbruck fluctuation frequency. Second, the number of Lac+ mutant colonies continues to increase for ...

Enter the email address you signed up with and we'll email you a reset link.

Aug 23, 2000 · Summary Aptamers are an alternative to antibodies in their role as biorecognition elements in analytical devices. RNA aptamers, specific for different proteins, have been exploited as biorecognition elements to develop specific biosensors (aptasensors).