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. Author manuscript; available in PMC: 2023 May 5.
Published in final edited form as: Mol Cell. 2022 Mar 30;82(9):1768–1777.e3. doi: 10.1016/j.molcel.2022.03.008

Table 2.

Comparison of agarose-based electrophoresis systems on circular RNA migration.

Agarose Gel Advantages Disadvantages
E-Gel EX
  • Distinguish between circular RNA and linear RNA of equivalent lengths

  • Fast/convenient

  • Expensive

  • May show variability between lots (see Figure S1).

E-Gel (non-EX)
  • Fast/convenient

  • Circular RNA overlaps with linear RNA of equivalent lengths

Self cast agarose gels
  • Migrates near expected size

  • Ability to control running buffer conditions and voltage settings

  • Optimal for Northern blots

  • Time consuming

  • Circular RNA overlaps with linear RNA of equivalent lengths