Using Overgo Probes for Mapping Rice and Wild Rice Genomes
Author Information
Author(s): Hass-Jacobus Barbara L, Futrell-Griggs Montona, Abernathy Brian, Westerman Rick, Goicoechea Jose-Luis, Stein Joshua, Klein Patricia, Hurwitz Bonnie, Zhou Bin, Rakhshan Fariborz, Sanyal Abhijit, Gill Navdeep, Lin Jer-Young, Walling Jason G, Luo Mei Zhong, Ammiraju Jetty Siva S, Kudrna Dave, Kim Hye Ran, Ware Doreen, Wing Rod A, Miguel Phillip San, Jackson Scott A
Primary Institution: Purdue University
Hypothesis
Can overgo probes be effectively used for constructing physical maps in rice and its wild relatives?
Conclusion
Overgo probes can successfully hybridize across species, aiding in the construction of physical maps and revealing genomic rearrangements.
Supporting Evidence
- Overgo markers successfully identified clones in the O. sativa BAC library with a success rate of 82%.
- The study demonstrated that overgos can be used to confirm genomic rearrangements in comparative mapping.
- Hybridization success rates decreased with increasing evolutionary distance from O. sativa.
Takeaway
Scientists used special markers called overgos to help map the DNA of rice and its wild relatives, showing how they are related and how their genes have changed over time.
Methodology
The study involved designing overgo probes from rice genomic sequences and hybridizing them to BAC libraries of wild rice species and Sorghum.
Potential Biases
Potential bias in probe design due to reliance on available EST databases rather than comprehensive multi-species alignments.
Limitations
The study's findings may be limited by the availability of complete genomic sequences for many wild rice species.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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