Sheltered load in fungal mating-type chromosomes revealed by fitness experiments
Lou Guyot, Elizabeth Chahine, Elsa De Filippo…·Tatiana Giraud
The paper tests for sheltered load in fungal mating-type chromosomes by comparing growth rates of heterokaryons and homokaryons, finding faster growth in heterokaryons suggesting recessive deleterious mutations in non-recombining regions.