Article ; Online: The widespread nature of Pack-TYPE transposons reveals their importance for plant genome evolution.
2022 Volume 18, Issue 2, Page(s) e1010078
Abstract: Pack-TYPE transposable elements (TEs) are a group of non-autonomous DNA transposons found in plants. These elements can efficiently capture and shuffle coding DNA across the host genome, accelerating the evolution of genes. Despite their relevance for ... ...
Abstract | Pack-TYPE transposable elements (TEs) are a group of non-autonomous DNA transposons found in plants. These elements can efficiently capture and shuffle coding DNA across the host genome, accelerating the evolution of genes. Despite their relevance for plant genome plasticity, the detection and study of Pack-TYPE TEs are challenging due to the high similarity these elements have with genes. Here, we produced an automated annotation pipeline designed to study Pack-TYPE elements and used it to successfully annotate and analyse more than 10,000 new Pack-TYPE TEs in the rice and maize genomes. Our analysis indicates that Pack-TYPE TEs are an abundant and heterogeneous group of elements. We found that these elements are associated with all main superfamilies of Class II DNA transposons in plants and likely share a similar mechanism to capture new chromosomal DNA sequences. Furthermore, we report examples of the direct contribution of these TEs to coding genes, suggesting a generalised and extensive role of Pack-TYPE TEs in plant genome evolution. |
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MeSH term(s) | DNA Transposable Elements/genetics ; Evolution, Molecular ; Genome, Plant/genetics ; Oryza/genetics ; Zea mays/genetics |
Chemical Substances | DNA Transposable Elements |
Language | English |
Publishing date | 2022-02-24 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2186725-2 |
ISSN | 1553-7404 ; 1553-7390 |
ISSN (online) | 1553-7404 |
ISSN | 1553-7390 |
DOI | 10.1371/journal.pgen.1010078 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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