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De-Domestication: An Extension of Crop Evolution.
Dongya Wu1, Sangting Lao1, Longjiang Fan2
1Institute of Crop Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China.
Trends in Plant Science
|March 2, 2021
Summary
Crop de-domestication, or feralization, is explored through whole-genome analysis in rice, barley, and wheat. This research reveals genetic novelties in feral crops beneficial for future agricultural breeding.
Area of Science:
- Evolutionary biology
- Genomics
- Agricultural science
Background:
- De-domestication (feralization) is a significant evolutionary process in crops and livestock.
- Previous studies relied on limited phenotypic and genotypic data for crop de-domestication evidence.
- Recent genomic studies offer comprehensive, whole-genome insights into this phenomenon.
Purpose of the Study:
- To summarize crop de-domestication processes and the ecological roles of de-domesticates.
- To elucidate the mechanisms and conditions favoring crop de-domestication.
- To highlight the genetic novelties of de-domesticates for modern crop breeding.
Main Methods:
- Analysis of whole-genome data from rice, barley, and wheat.
- Review and synthesis of existing literature on crop de-domestication.
- Comparative genomics to identify evolutionary patterns.
Main Results:
- Genomic studies provide a detailed understanding of de-domestication across major crops.
- Identified key mechanisms and ecological factors driving feralization in plants.
- Highlighted the evolutionary complexity and genetic innovations in de-domesticated species.
Conclusions:
- Whole-genome analyses have revolutionized the study of crop de-domestication.
- De-domesticates possess valuable genetic traits that can enhance crop resilience and productivity.
- Understanding de-domestication expands knowledge of crop evolution and offers resources for breeding programs.
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