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Development and mapping of SSR markers for maize
Natalya Sharopova1, Michael D McMullen, Linda Schultz
1Missouri Maize Project, University of Missouri, Columbia 65211, USA.
Plant Molecular Biology
|May 15, 2002
Summary
Researchers developed over 1000 novel simple sequence repeat (SSR) markers for maize (Zea mays L.), creating the most comprehensive SSR marker set for any plant species to aid crop improvement.
Area of Science:
- Genetics
- Plant breeding
- Genomics
Background:
- Microsatellite or simple sequence repeat (SSR) markers are crucial for genetic analysis in crop improvement.
- Developing comprehensive marker sets is essential for advancing maize (Zea mays L.) genetics.
Purpose of the Study:
- To isolate, characterize, and map a large set of SSR markers for maize.
- To enhance the genetic map resources available for maize research.
Main Methods:
- Development of 1051 novel SSR markers from enriched libraries and database mining.
- Mapping of 978 SSR markers using three populations, primarily the intermated B73 x Mo17 (IBM) population.
- Integration of marker data with public SSR information and release via MaizeDB.
Main Results:
- Successful isolation and characterization of 1051 novel maize SSR markers.
- Generation of a high-resolution genetic map through the mapping of 978 markers.
- Creation of the most detailed and comprehensive SSR marker set for any plant species.
Conclusions:
- The developed SSR markers and associated data provide a valuable resource for maize genetic studies.
- This comprehensive marker set will significantly aid in maize (Zea mays L.) breeding and genetic improvement strategies.
- The publicly accessible data enhances the global maize research community's capabilities.