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Published on: July 15, 2018
Cost-effective, species-specific microsatellite development for the endangered Dwarf Bulrush (Typha minima) using
Daniela Csencsics1, Sabine Brodbeck, Rolf Holderegger
1Research Unit Ecological Genetics and Evolution, Swiss Federal Research Institute WSL, Zürcherstrasse 111, CH-8903 Birmensdorf, Switzerland. daniela.csencsics@wsl.ch
The Journal of Heredity
|June 22, 2010
Summary
Developing new genetic markers for the endangered dwarf bulrush (Typha minima) using next-generation sequencing is crucial for conservation. This cost-effective method aids in identifying suitable populations for reintroduction efforts.
Area of Science:
- Conservation genetics
- Plant science
- Ecology
Background:
- The dwarf bulrush (Typha minima) is an endangered pioneer plant species.
- Only three natural populations remain in Switzerland, with reintroductions planned.
- Identifying suitable source populations is critical for successful reintroductions.
Purpose of the Study:
- To develop novel polymorphic microsatellite markers for the dwarf bulrush.
- To assess the genetic diversity within remaining populations.
- To provide a cost-effective and time-efficient method for marker development in non-model species.
Main Methods:
- Utilized 454 pyrosequencing to develop 17 polymorphic microsatellite markers.
- Tested markers on 20 individuals using low-cost M13 labeling.
- Analyzed genetic diversity using allele counts and heterozygosity.
Main Results:
- Detected 2 to 7 alleles per locus.
- Found expected heterozygosity ranging from 0.05-0.76 and observed heterozygosity from 0.07-1.
- Marker development was completed in under 6 weeks for approximately USD 5000.
Conclusions:
- Next-generation sequencing is a powerful, cost-effective tool for developing microsatellite markers in endangered, non-model plant species.
- The developed markers are suitable for population genetic studies of Typha minima.
- This approach supports conservation efforts for endangered plant species.
