Genome Size Changes by Duplication, Divergence, and Insertion in Caenorhabditis Worms.

Paula E Adams^1,2, Victoria K Eggers³, Joshua D Millwood¹, John M Sutton^1,4, Jason Pienaar^3,5, Janna L Fierst^3,6

¹Department of Biological Sciences, The University of Alabama, Tuscaloosa, AL, USA.

²Current address: Department of Biological Sciences, Auburn University, Auburn, AL, USA.

³Department of Biological Sciences, Florida International University, Miami, FL, USA.

⁴Current address: Absci, Vancouver, WA, USA.

⁵Institute of the Environment, Miami, FL, USA.

⁶Biomolecular Sciences Institute, Miami, FL, USA.

PubMed PMC DOI PDF

Abstract

Genome size has been measurable since the 1940s but we still do not understand genome size variation. Caenorhabditis nematodes show strong conservation of chromosome number but vary in genome size between closely related species. Androdioecy, where populations are composed of males and self-fertile hermaphrodites, evolved from outcrossing, female-male dioecy, three times in this group. In Caenorha…

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