Here we investigated the mechanisms determining genome size in nature. By using evolved lineages of a single-celled microalgae, we show that minimizing genome size can improve the performance of the organism—as predicted by the selfish DNA hypothesis. We also see indications of countervailing forces imposing a minimum genome size in this species.

Check out the paper at [ Ссылка ]30849-6.

M.E. Malerba, G. Ghedini, and D.J. Marshall (2020). Genome Size Affects Fitness in the Eukaryotic Alga Dunaliella tertiolecta. Curr. Biol. 30.

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