这个词是什么意思？
Viral mechanisms of translational programming in which ribosomes reach the start codon bypassing or shunting over large segments of the 5′ UTR of VIRAL RNA. Ribosome shunting allows host translational machinery to engage polycistronic transcripts similar to RIBOSOMAL FRAMESHIFTING, and use of INTERNAL RIBOSOME ENTRY SITES.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000094409 · MeSH 2026。
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