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MicroRNAs in the growth control of Malus spp
Minghua Yue1, Yumeng An1, Ruimin Lu1
1College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China.
Summary
Apple microRNAs (miRNAs) regulate growth and stress responses. This review highlights miR156
Area of Science:
- Plant molecular biology
- Agricultural science
- Genomics
Background:
- MicroRNAs (miRNAs) are key regulators of gene expression in plants.
- Plant development and stress responses are significantly influenced by miRNAs.
- Apple (Malus domestica) is a globally important fruit crop.
Purpose of the Study:
- To review current research on apple microRNAs (miRNAs).
- To highlight the roles of apple miRNAs in growth, development, and stress responses.
- To specifically focus on the unique role of miR156 in apple.
Main Methods:
- Literature review of existing research on apple miRNAs.
- Analysis of published data on miRNA function in apple.
- Comparative analysis of miR156 function across species.
Main Results:
- Apple miRNAs are involved in vegetative and reproductive growth.
- miRNAs play roles in anthocyanin synthesis and stress responses (abiotic and biotic).
- miR156 is crucial for vegetative phase change and flowering induction in apple, impacting productivity.
Conclusions:
- Apple miRNAs are vital for various developmental and adaptive processes.
- miR156 has a significant and unique role in apple development, particularly in reducing juvenility and promoting flowering.
- Further research into apple miRNAs can enhance crop improvement strategies.
