Spatio-Temporal Patterns of Hybridization in an Alloploid Salamander (Ambystomatidae: Ambystoma) and Conservation Implications of Introgression in a Unisexual Vertebrate.

ABSTRACT: Maynard Smith's proposed two-fold cost of sex states that one of the disadvantages of clonal reproduction is the decreased ability to persist in dynamic ecosystems. However, the long-term persistence of some clonal alloploid lineages suggests that these lineages may not always be so ephemeral in nature. Understanding the stability of these lineages over time can inform our understanding of the advantages of an asexual mode of life. Here we investigate a gynogenetic allopolyploid triploid, the Silvery Salamander (LJJ-historically referred to as Ambystoma platineum), an asexual lineage closely related to A. barbouri. However, in our focal populations, neither parental species is present, and another sexual host, A. texanum (TT), is a required sperm donor. Gynogenetic rep

SUBMITTER: Laserna AV 

PROVIDER: S-EPMC11770251 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature