Evidence map›Paper›PMID 30887304›Full record

ArticleGenes & genomics2019

A comprehensive analysis of the Baboon-specific full-length LINE-1 retrotransposons.

Wooseok Lee, Minhoon Choi, Songmi Kim, Wanxiangfu Tang, Dong Hee Kim, Heui-Soo Kim, Ping Liang, Kyudong Han

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Article in Genes & genomics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

8 authors at 4 institutions in 2 countries.

Wooseok LeeDepartment of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea.
Minhoon ChoiDepartment of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea.
Songmi KimDepartment of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea.
Wanxiangfu TangDepartment of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada.
Dong Hee KimDepartment of Anesthesiology and Pain Management, College of Medicine, Dankook University, Cheonan, 31116, Republic of Korea.
Heui-Soo KimDepartment of Biological Sciences, College of Natural Sciences, Pusan National University, Busan, 46241, Republic of Korea.
Ping LiangDepartment of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada.
Kyudong HanDepartment of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea. jim97@dankook.ac.kr.ORCID 0000-0001-6791-2408
Theragen · KRBrock University · CADankook University · KRPusan National University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundLong interspersed elements-1 (LINE-1s or L1s) and Alu elements are most successful retrotransposons that have generated genetic diversity and genomic fluidity in the primate genome. They account for ~ 27.7% of the primate genome. Interestingly, a previous study has shown that the retrotransposition rate of Alu elements is nine times higher in baboons than in humans.

objectiveThe expansion of Alu copies could be dependent on the activity of L1-encoded proteins. Thus, we aimed to investigate full-length baboon-specific L1s and characterize structurally and functionally intact baboon-specific L1s (ORF1p/ORF2p and ORF2p only) that could induce trans-mobilization of Alu elements in the baboon genome.

resultsA total of 673 baboon-specific L1 candidates (> 4 kb) were identified through the comparative genomic analysis. Applying the baboon-specific correction value obtained from the experimental validation, it demonstrated that approximately 446 baboon-specific L1s (> 4 kb) were present in the baboon reference genome (papAnu2). In addition, we observed phylogenetic relationship of the baboon-specific L1s through the neighbor-joining method and they diverged from the L1PA6 consensus sequence. Finally, we identified 36 full-length baboon-specific L1s that were intact both ORF1p and ORF2p.

conclusionThe number of baboon-specific full-length L1s is fewer than the number of human-specific full-length L1s. Therefore, there is possibility that the "L1 master gene" or "L1 source gene" is more abundant in the baboon genome, or that in trans retrotransposition activity of baboon-specific L1s is relatively stronger than in the other genomes.

Indexed as

AnimalsEvolution, MolecularGenomicsLong Interspersed Nucleotide ElementsOpen Reading FramesPapioReference StandardsBaboonBaboon-specificLINE-1Transposable element

Identifiers

PMID30887304
OpenAlexW2921502906

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.