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Regulatory network of fruit ripening: current understanding and future challenges
Tong Chen1, Guozheng Qin1, Shiping Tian1,2
1Key Laboratory of Plant Resources, Institute of Botany, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100093, China.
The New Phytologist
|July 31, 2020
Summary
Fruit ripening involves complex molecular networks, including hormones and epigenetics. Further research is needed to fully understand these regulatory mechanisms for improved fruit quality.
Area of Science:
- Plant Biology
- Molecular Biology
- Agricultural Science
Background:
- Fruit ripening is a complex developmental process regulated by multiple molecular factors.
- Hormones like ethylene and abscisic acid (ABA) play crucial roles in fruit ripening.
- Epigenomic modifications, including histone marks, are increasingly recognized as key regulators.
Purpose of the Study:
- To review recent advances in understanding the molecular mechanisms of fruit ripening.
- To identify current challenges and future research directions in fruit ripening studies.
- To highlight the intricate network of regulators involved in fruit quality and postharvest characteristics.
Main Methods:
- Literature review of recent studies on fruit ripening molecular mechanisms.
- Analysis of genetic and epigenomic data related to fruit development.
- Focus on hormonal and transcriptional regulation, including histone modifications.
Main Results:
- Fruit ripening is controlled by a complex network of hormones, transcription factors, and epigenomic modifications.
- Histone mark H3K27me3 may play a conserved role in preventing ethylene-related feedback circuits.
- Redundant regulatory components necessitate a deeper understanding of the entire network.
Conclusions:
- Significant progress has been made in dissecting fruit ripening mechanisms.
- Further research is essential to address remaining questions and improve our understanding of this process.
- Elucidating these mechanisms has direct implications for fruit quality and the postharvest industry.
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