Journal
MOLECULAR ECOLOGY RESOURCES
Volume 15, Issue 6, Pages 1375-1384Publisher
WILEY
DOI: 10.1111/1755-0998.12422
Keywords
chloroplast indels; cryptic speciation; hierarchical genetic diversity structure; nuclear microsatellites; sexually deceptive orchids; Shannon information
Funding
- New Jersey Agricultural Experiment Station
- Australian Research Council [DP0451374, LP0989338, DP1094453]
- [USD/NJAES-17111]
- [USD/NJAES-17160]
- Australian Research Council [DP0451374, LP0989338] Funding Source: Australian Research Council
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Reconstructing evolutionary history for emerging species complexes is notoriously difficult, with newly isolated taxa often morphologically cryptic and the signature of reproductive isolation often restricted to a few genes. Evidence from multiple loci and genomes is highly desirable, but multiple inputs require common currency' translation. Here we deploy a Shannon information framework, converting into diversity analogue, which provides a common currency analysis for maternally inherited haploid and bi-parentally inherited diploid nuclear markers, and then extend that analysis to construction of minimum-spanning networks for both genomes. The new approach is illustrated with a quartet of cryptic congeners from the sexually deceptive Australian orchid genus Chiloglottis, still in the early stages of speciation. Divergence is more rapid for haploid plastids than for nuclear markers, consistent with the effective population size differential (N-ep
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