Microsatellite flanking region similarities among different loci within insect species

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Abstract
Although microsatellites are ubiquitous in eukaryota, the number of available markers varies strongly among taxa. This meta‐analysis was conducted on 32 insect species. Sequences were obtained from two assembled whole genomes, whole genome shotgun (WGS) sequences from 10 species and screening partial genomic libraries for microsatellites from 23 species. We have demonstrated: (1) strong differences in the abundance of microsatellites among species; (2) that microsatellites within species are often grouped into families based on similarities in their flanking sequences; (3) that the proportion of microsatellites grouped into families varies strongly among taxa; and (4) that microsatellite families were significantly more often associated with transposable elements – or their remnants – than unique microsatellite sequences.

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