A high-resolution temporal atlas of the SARS-CoV-2 translatome and transcriptome.

Doyeon Kim, Sukjun Kim, Joori Park, Hee Ryung Chang, Jeeyoon Chang, Junhak Ahn, Heedo Park, Junehee Park, Narae Son, Gihyeon Kang, Jeonghun Kim, Kisoon Kim, Man-Seong Park, Yoon Ki Kim, Daehyun Baek
Author Information
  1. Doyeon Kim: School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.
  2. Sukjun Kim: School of Biological Sciences, Seoul National University, Seoul, Republic of Korea. ORCID
  3. Joori Park: Creative Research Initiatives Center for Molecular Biology of Translation, Korea University, Seoul, Republic of Korea. ORCID
  4. Hee Ryung Chang: School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.
  5. Jeeyoon Chang: Creative Research Initiatives Center for Molecular Biology of Translation, Korea University, Seoul, Republic of Korea. ORCID
  6. Junhak Ahn: School of Biological Sciences, Seoul National University, Seoul, Republic of Korea. ORCID
  7. Heedo Park: Department of Microbiology, Institute for Viral Diseases, College of Medicine, Korea University, Seoul, Republic of Korea. ORCID
  8. Junehee Park: School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.
  9. Narae Son: School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.
  10. Gihyeon Kang: School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.
  11. Jeonghun Kim: Department of Microbiology, Institute for Viral Diseases, College of Medicine, Korea University, Seoul, Republic of Korea. ORCID
  12. Kisoon Kim: Department of Microbiology, Institute for Viral Diseases, College of Medicine, Korea University, Seoul, Republic of Korea.
  13. Man-Seong Park: Department of Microbiology, Institute for Viral Diseases, College of Medicine, Korea University, Seoul, Republic of Korea. manseong.park@gmail.com.
  14. Yoon Ki Kim: Creative Research Initiatives Center for Molecular Biology of Translation, Korea University, Seoul, Republic of Korea. yk-kim@korea.ac.kr. ORCID
  15. Daehyun Baek: School of Biological Sciences, Seoul National University, Seoul, Republic of Korea. baek@snu.ac.kr.

Abstract

COVID-19 is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which infected >200 million people resulting in >4 million deaths. However, temporal landscape of the SARS-CoV-2 translatome and its impact on the human genome remain unexplored. Here, we report a high-resolution atlas of the translatome and transcriptome of SARS-CoV-2 for various time points after infecting human cells. Intriguingly, substantial amount of SARS-CoV-2 translation initiates at a novel translation initiation site (TIS) located in the leader sequence, termed TIS-L. Since TIS-L is included in all the genomic and subgenomic RNAs, the SARS-CoV-2 translatome may be regulated by a sophisticated interplay between TIS-L and downstream TISs. TIS-L functions as a strong translation enhancer for ORF S, and as translation suppressors for most of the other ORFs. Our global temporal atlas provides compelling insight into unique regulation of the SARS-CoV-2 translatome and helps comprehensively evaluate its impact on the human genome.

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MeSH Term

COVID-19
Gene Expression Regulation, Viral
Genome, Human
Humans
Open Reading Frames
Protein Biosynthesis
RNA, Viral
SARS-CoV-2
Transcriptome
Viral Proteins

Chemicals

RNA, Viral
Viral Proteins