population genomics. evolution. bioinformatics.
 Figure 1. Locations where sturgeon tissue samples were collected from presumed captive (red) and wild (purple) populations. Captive populations included three coastal fish markets in Batumi, Poti, and Tskaltsminda one inland fish market in Tbilisi, and an aquaculture facility. Wild populations were sampled from the Black Sea, Rioni River, and the mouth of the Rioni River. Our new collaborative study that examines genomic evidence for the presence of protected white sterlet, beluga, and stellate sturgeon in fish markets in Tbilisi, Georgia, often hybridizing with locally farmed sturgeons, led by Tamar Beridze, a visiting scholar in the Sethuraman lab in Fall 2022 is now published in Diversity! Read here.
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P. quatuordecimpunctata and H. variegata invasive pop-gen study now published in Biological Control!5/8/2024  Fig. 1. Sampling of (A) H. variegata and (B) P. quatuordecimpunctata across their invasive United States ranges with numerical locality identifiers. Parenthetical numbers denote the number of sequenced samples retained for genetic analyses. Color gradient displays the year of first recorded specimen in each state. Star icon shows approximate location of North American introduction. Our new study on invasive population genomics and behavioral phenology in response to photoperiods in two species of lady beetles used in importation biological control - Propylea quatuordecimpunctata and Hippodamia variegata is now published in Biological Control! Read here.
 Christopher Morrissey successfully defended his Masters thesis, and we couldn't be prouder of him! As part of his thesis, he developed an R package called MethylMapR, which can be used to characterize the functional methylome in prokaryotes - watch this space for our upcoming publication describing this package. Congratulations, Chris!
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Arun Sethuraman
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