Decoding disease prevention: miRNAs and fighting A newswise

According to the news – Plant pathogens often infect specific tissues, causing significant agricultural losses. Recent studies highlight the important role of small RNAs (sRNAs), including miRNAs, in regulating these interactions. sRNAs can regulate plant immune responses and pathogen virulence, making them key players in plant-pathogen dynamics. Despite progress, the tissue-specific roles of miRNAs in these interactions remain largely unknown. Due to these challenges, intensive research on miRNA regulation during plant-pathogen interactions is necessary to develop effective strategies for crop protection.

Researchers at Northwest A&F University have made significant progress in this field Conclusion (DOI: 10.1093/hr/uhae094) Published in prestigious journals horticultural research On April 2, 2024. This study sheds light on the differential expression of miRNAs/milRNAs in apple tissues. Valsa MaliProvides insight into plant defense mechanisms.

This study uncovers tissue-specific expression patterns of miRNAs and milRNAs in apple Valsa Mali Infection. Researchers identify key miRNAs, such as Mdo-miR482a, that are upregulated in apple bark and target a nlr The gene reduces the plant’s resistance to the pathogen. Similarly, Vm-milR57 inches V. Mali It was found that it targeted essential pathogenicity-related genes, increasing the virulence of the fungus. The study shows that miRNA in apple bark plays an important role in the response to pathogen attack, whereas miRNA regulation in leaves appears to be minimal. Additionally, research highlights cross-kingdom interactions V. Mali MilRNAs can target apple genes, affecting plant defense mechanisms. These findings provide a deeper understanding of the complex regulatory networks involving miRNAs and milRNAs, emphasizing their important roles in plant immunity and pathogen adaptation.

Dr. Lily Huang, lead scientist on the project, emphasized the importance of these discoveries, saying, “Our research not only advances our understanding of plant-pathogen interactions but also provides an opportunity to develop new approaches to enhance crop resistance against diseases.” It also paves the way.”

The implications of this research are far-reaching, offering potential applications in the development of resistant apple varieties through genetic modification or breeding programs. By manipulating the expression of these sRNAs, scientists may be able to create plants that can better withstand the ravages of pathogens. Valsa MaliTo ensure food security and reduce economic losses in agriculture.

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Reference

DOI

10.1093/hour/uhae094

original source url

https://doi.org/10.1093/hr/uhae094

Funding Information

This research was financially supported by the National Natural Science Foundation of China (U1903206, 32172375) and Key Science and Technology Special Projects of Shaanxi Province (2020zdzx03-03-01).

About this horticultural research

horticultural research is an open access journal of Nanjing Agricultural University and ranked number one in the Horticulture category of the Journal Citation Report™ from Clarivate, 2022. The journal is committed to publishing original research articles, reviews, viewpoints, commentaries, correspondence articles and letters. Editors deal with all major horticultural plants and topics, including biotechnology, breeding, cellular and molecular biology, evolution, genetics, inter-species interactions, physiology and the origin and domestication of crops.