Inheritance of gene expression throughout fruit development in chili pepper
Christian Escoto-Sandoval1, Neftalí Ochoa-Alejo2, Octavio Martínez3
1Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav), Unidad de Genómica Avanzada (Langebio), Irapuato Guanajuato, 36824, México.
Scientific Reports
|November 23, 2021
Summary
Inheritance of gene expression in chili pepper (Capsicum annuum L.) fruits varies with fruit development stage and cross direction. This study provides a framework for classifying gene expression inheritance patterns in plants.
Area of Science:
- Plant genetics
- Molecular biology
- Developmental biology
Background:
- Gene expression is a key molecular phenotype.
- Understanding gene expression inheritance is crucial for crop improvement.
- Chili pepper (Capsicum annuum L.) offers a model for studying fruit development.
Purpose of the Study:
- To analyze genome-wide gene expression inheritance in chili pepper fruits.
- To develop a hierarchical schema for classifying gene expression inheritance.
- To investigate the influence of developmental stage and cross direction on gene expression inheritance.
Main Methods:
- Reciprocal crosses between domesticated and wild chili pepper accessions.
- Genome-wide gene expression analysis during fruit development.
- Development of a classification schema for quantitative trait inheritance.
Main Results:
- Gene expression inheritance patterns are dynamic, changing with fruit development.
- The direction of the cross significantly impacts gene expression inheritance.
- Sets of genes with specific inheritance patterns are enriched in distinct biological functions.
Conclusions:
- Gene expression inheritance is complex and influenced by developmental timing and genetic background.
- The proposed classification schema can be applied to various quantitative traits.
- Understanding gene expression regulation mechanisms is vital for plant breeding and genetics.
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