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. Author manuscript; available in PMC: 2022 May 1.
Published in final edited form as: Wiley Interdiscip Rev RNA. 2020 Sep 17;12(3):e1625. doi: 10.1002/wrna.1625

FIGURE 2.

FIGURE 2

Different models of MIRHG splicing and intragenic miRNA biogenesis. (a–c) Synergetic model. (a) Mirtron. (b) Splicing machinery and microprocessors facilitate each other. (c) Splicing factors facilitate miRNA production in a splicing-independent manner. (d,e) Competition model. (d) Alternative-splicing-mediated miRNA production. Two scenarios of alternative splicing are depicted. (e) Nonalternative-splicing-mediated miRNA production