Molecular Phylogenetics of Abies Species
Summary
Molecular phylogenetics of Abies species has advanced through the integration of organellar and nuclear genome data, enabling robust reconstructions of evolutionary relationships among firs. Chloroplast and mitochondrial genome sequencing—by means of long‐range PCR, sequence capture and next‐generation platforms—has revealed clear separation between Eurasian and American lineages, while nuclear markers such as ITS regions and genome‐wide SNPs have resolved close interspecific relationships and intraspecific variation. High‐throughput approaches, including multiplexed marker sequencing and inter‐simple sequence repeat genotyping, have increased marker density and bootstrap support, even among recently diverged taxa. Such studies have refined species boundaries, illuminated historic migration routes, and provided molecular markers for conservation genetics. The growing phylogenomic framework underpins taxonomy, informs ex situ and in situ protection strategies for endangered firs, and contributes to our understanding of Pinaceae diversification under past climatic fluctuations.
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Molecular Phylogenetics of Abies Species publication trend
The graph below shows the total number of articles in molecular phylogenetics of abies species across all publications each year (not limited to Nature Index journals).
Technical terms
Molecular phylogenetics: The study of evolutionary relationships among organisms using molecular sequence data.
Chloroplast genome: The circular DNA found in plant chloroplasts, commonly used for reconstructing plant phylogeny due to its conserved structure.
Mitochondrial genome: The DNA contained within mitochondria, often maternally inherited in plants and informative for phylogeographic analyses.
Multiplex PCR: A method that amplifies multiple DNA regions in a single reaction, enabling simultaneous marker generation.
Single-nucleotide polymorphism (SNP): A single base‐pair variation in the genome, widely used as a high-resolution genetic marker.
Bootstrap support: A statistical measure of confidence in a given node of a phylogenetic tree, derived from resampling data.
References
- Sequence Capture of Mitochondrial Genome with PCR-Generated Baits Provides New Insights into the Biogeography of the Genus Abies Mill.. Plants (2022).
- Complementary combination of multiplex high‐throughput DNA sequencing for molecular phylogeny. Ecological Research (2021).
- The complete chloroplast genome of Abies ernestii Rehder (Pinaceae) and its phylogenetic implications. Mitochondrial DNA Part B (2022).
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