Molecular Dating of the Teleost Whole Genome Duplication (3R) Is Compatible With the Expectations of Delayed Rediploidization.

ABSTRACT: Vertebrate evolution has been punctuated by three whole genome duplication events that have been implicated causally in phenotypic evolution, from the origin of phenotypic novelties to explosive diversification. Arguably, the most dramatic of these is the 3R whole genome duplication event associated with the origin of teleost fishes which comprise more than half of all living vertebrate species. However, tests of a causal relationship between whole genome duplication and teleost diversification have proven difficult due to the challenge of establishing the timing of these phenomena. Here we show, based on molecular clock dating of concatenated gene alignments, that the 3R whole genome duplication event occurred in the early-middle Permian (286.18 to 267.20 million years ago; Ma), 52.02 to

SUBMITTER: Qi M 

PROVIDER: S-EPMC11259977 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature