Related Experiment Video
Updated: Aug 30, 2025
15:31
Tissue Collection of Bats for -Omics Analyses and Primary Cell Culture
Published on: October 23, 2019
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Transposable Elements in Bats Show Differential Accumulation Patterns Determined by Class and Functionality
Nicole S Paulat1, Erin McGuire2, Krishnamurthy Subramanian2,3
1Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409, USA.
Life (Basel, Switzerland)
|August 26, 2022
Summary
Bat genomes host diverse transposable elements (TEs). These TEs show distinct insertion patterns, with depletion in coding regions and enrichment near genes, reflecting a balance between insertion preference and selection.
Area of Science:
- Genomics
- Molecular Biology
- Evolutionary Biology
Background:
- Bat genomes possess a rich variety of transposable elements (TEs).
- Vespertilionidae bats feature both active retrotransposons and DNA transposons.
- TEs accumulate distinct patterns and exhibit specific target site preferences.
Purpose of the Study:
- To investigate how diverse TEs influence bat genome structure.
- To analyze spatial distribution patterns of different TE classes relative to genomic features.
Main Methods:
- Comparative spatial analyses of TE classes and genomic features (genic regions, CpG islands).
- Examination of TE insertion patterns and target site preferences in bat genomes.
Main Results:
- All TEs were depleted within coding sequences.
- TEs exhibited species- and element-specific attraction patterns within transcripts.
- Significant TE activity was observed in regions adjacent to genes, particularly small, non-autonomous TEs in introns.
Conclusions:
- Genomic distribution of TEs is shaped by a balance between insertion preferences in open chromatin and purifying selection within genes.
- TEs play a role in shaping genome structure in bats.
- Bat genomes serve as a valuable model for studying TE insertion diversity.
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