Population Genomics of the Facultatively Sexual Liverwort Marchantia polymorpha.

ABSTRACT: The population genomics of facultatively sexual organisms are understudied compared with their abundance across the tree of life. We explore patterns of genetic diversity in two subspecies of the facultatively sexual liverwort Marchantia polymorpha using samples from across Southern Ontario, Canada. Despite the ease with which M. polymorpha should be able to propagate asexually, we find no evidence of strictly clonal descent among our samples and little to no signal of isolation by distance. Patterns of identity-by-descent tract sharing further showed evidence of recent recombination and close relatedness between geographically distant isolates, suggesting long distance gene flow and at least a modest frequency of sexual reproduction. However, the M. polymorpha genome contains overall very

SUBMITTER: Sandler G 

PROVIDER: S-EPMC10667032 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature