Bacterial heterozygosity promotes survival under multidrug selection
Shraddha Shitut,
Thomas van Dijk,
Dennis Claessen
et al.
Abstract:Although bacterial cells typically contain a single chromosome, some species are naturally polyploid and carry multiple copies of their chromosome. Polyploid chromosomes can be identical or heterogeneous, the latter giving rise to bacterial heterozygosity. While the benefits of heterozygosity are well studied in eukaryotes, its consequences in bacteria are unknown. Here we examine this question in the context of antibiotic resistance to understand how bacterial heterozygosity affects bacterial survival. Using … Show more
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