Genome-Wide Analysis of Transposable Elements and Tandem Repeats in the Compact Placozoan Genome

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Wang, Shi
Zhang, Linling
Meyer, Eli
Bao, Zhenmin

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The placozoan Trichoplax adhaerens has a compact genome with many primitive eumetazoan characteristics. In order to gain a better understanding of its genome architecture, we conducted a detailed analysis of repeat content in this genome. The transposable element (TE) content is lower than that of other metazoans, and the few TEs present in the genome appear to be inactive. A new phylogenetic clade of the gypsy-like LTR retrotransposons was identified, which includes the majority of gypsy-like elements in Trichoplax. A particular microsatellite motif (ACAGT) exhibits unexpectedly high abundance, and also has strong association with its nearby genes.


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Wang, Shi, Lingling Zhang, Eli Meyer, and Zhenmin Bao. "Discovery notes Genome-wide analysis of transposable elements and tandem repeats in the compact placozoan genome." Biology Direct 5 (Apr., 2010): 18.