Exogenous mRNA molecules are capable of modifying human DNA
Exogenous or viral mRNA molecules can be reverse-transcribed into DNA and integrated into the host genome under specific biological conditions, such as retroviral infection or retrotransposition pathways.
The retrieved literature contains specific evidence that mRNA molecules can undergo reverse transcription and integrate into mammalian genomes, particularly through retroviral infection (Paper 1) and mechanisms like LINE-1 or polymerase-associated reverse transcription (Paper 8). Therefore, the claim is supported.
J Bodor, J Svoboda. The LTR, v-src, LTR provirus generated in the mammalian genome by src mRNA reverse transcription and integration. 1989. https://doi.org/10.1128/jvi.63.2.1015-1018.1989
Paper 1 demonstrates that mammalian cells can reverse-transcribe and integrate retroviral mRNA sequences into the genome.
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Lindley RA, Gorczynski RM, Steele EJ. Epigenetic-Genetic Coupling and Understanding the Molecular and Cellular Basis of Lamarckian Inheritance.. 2026. https://doi.org/10.3390/ijms27042003
Paper 8 reviews biological evidence supporting RNA-to-DNA genetic feedback and reverse transcriptase-mediated integration mechanisms.
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