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https://www.selleckchem.com/products/rocilinostat-acy-1215.html Extant plant groups with a long fossil history are key elements in understanding vascular plant evolution. Horsetails (Equisetum, Equisetaceae) have a nearly continuous fossil record dating back to the Carboniferous, but their phylogenetic and biogeographic patterns are still poorly understood. We use here the most extensive phylogenetic analysis to date as a framework to evaluate their age, biogeography and genome size evolution. DNA sequences of four plastid loci were used to estimate divergence times and investigate the biogeographic history of all extant species of Equisetum. Flow cytometry was used to study genome size evolution against the framework of phylogenetic relationships in Equisetum. On a well-supported phylogenetic tree including all extant Equisetum species, a molecular clock calibrated with multiple fossils places the node at which the outgroup and Equisetum diverged at 343 Mya (Early Carboniferous), with the first major split among extant species occurring 170 Mya (Middle Jurassic). T. Subsequent tectonic activity most likely involved vicariance events that led to species divergences combined with some more recent, long-distance dispersal events. We hypothesize that differences in genome size between subgenera may be related to the number of sperm flagellae.Many young adults in the United States (U.S.) moved from college accommodations to live with their parents/family during the Spring 2020 semester due to the COVID-19 pandemic. While alcohol consumption fluctuates during a typical semester among students, the impact of the sudden changes stemming from the pandemic on students' alcohol consumption patterns is unclear. To examine the impact of the COVID-19 pandemic on college student alcohol consumption while accounting for legal drinking age and living situation. Data were collected from students (n = 302) at a large, northeastern U.S. university at the beginning and end of the of th

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