Parental Gene Involvement in Hybrid Embryogenesis
Author Information
Author(s): Zhang Jun-E, Luo An, Xin Hai-Ping, Zhao Jing, Li Shi-Sheng, Qu Liang-Huan, Ma Li-Gang, Scholten Stefan, Sun Meng-Xiang
Primary Institution: Key Laboratory of Ministry of Education for Plant Development Biology, College of Life Science, Wuhan University, Wuhan, China
Hypothesis
Do genes of both parental origins equivalently contribute to interspecific hybrids during early embryogenesis?
Conclusion
Both parental origins are differentially involved in early embryogenesis of a tobacco interspecies hybrid.
Supporting Evidence
- An interspecies hybridization system between SR1 and Hamayan was established.
- 58 genes with polymorphic sites were selected for analysis.
- 8 genes showed allele-specific expression in hybrid zygotes.
- 4 genes were of paternal origin, 1 gene was of maternal origin, and 3 genes were of biparental origin.
Takeaway
When two different types of tobacco plants have babies, both parents help the baby grow in different ways.
Methodology
An interspecies hybridization system was established, and allele-specific expression of genes was analyzed in hybrid zygotes.
Limitations
The study primarily focused on one hybridization system and may not generalize to all interspecies hybrids.
Participant Demographics
Tobacco plants, specifically Nicotiana tabacum and N. rustica.
Digital Object Identifier (DOI)
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