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ParentChecker: a computer program for automated inference of missing parental genotype calls and linkage phase
Zhiqiu Hu1, Jeffrey D Ehlers, Philip A Roberts
1Department of Botany & Plant Sciences, University of California, Riverside, CA 92521, USA.
BMC Genetics
|February 25, 2012
Summary
This study introduces ParentChecker, a software tool that automates the inference of missing parental genotype data. This significantly speeds up the creation of accurate genetic maps for crop species by correcting errors and improving marker placement.
Area of Science:
- Plant genetics
- Genomics
- Bioinformatics
Background:
- Accurate genetic maps are crucial for genetic discovery.
- Missing parental genotype data and phase errors hinder genetic map construction.
- Manual correction of these errors is time-consuming for large datasets.
Purpose of the Study:
- To develop an automated software tool for inferring missing parental genotype information.
- To improve the efficiency of genetic map building in crop species.
- To automate the correction of linkage phase errors.
Main Methods:
- Developed a user-friendly software tool named ParentChecker.
- Utilized observed segregation patterns in progeny within mapping populations.
- Applied the tool to infer missing parental genotypes and correct linkage phase errors in ABH formatted data.
Main Results:
- ParentChecker successfully infers missing parental genotype information.
- The tool automates the correction of linkage phase errors in genotypic data.
- Inferred phases can be fed back to mapping software to improve genetic maps.
Conclusions:
- ParentChecker efficiently enhances genetic mapping datasets with incomplete parental information.
- The software automates genotype inference for inbred mapping populations.
- It provides a streamlined approach to correct linkage phase errors, improving genetic map accuracy.
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