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Exploring the putative microRNAs cross-kingdom transfer in interactions. | LitMetric

Exploring the putative microRNAs cross-kingdom transfer in interactions.

Front Plant Sci

Plant Biotechnology Laboratory, Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia, Italy.

Published: May 2024

AI Article Synopsis

Article Abstract

Introduction: Plant-pathogen interaction is an inexhaustible source of information on how to sustainably control diseases that negatively affect agricultural production. is a root-knot nematode (RKN), representing a pest for many crops, including tomato (). RKNs are a global threat to agriculture, especially under climate change, and RNA technologies offer a potential alternative to chemical nematicides. While endogenous microRNAs have been identified in both and , and their roles have been related to the regulation of developmental changes, no study has investigated the miRNAs cross-kingdom transfer during this interaction.

Methods: Here, we propose a bioinformatics pipeline to highlight potential miRNA-dependent cross-kingdom interactions between tomato and .

Results: The obtained data show that nematode miRNAs putatively targeting tomato genes are mostly related to detrimental effects on plant development and defense. Similarly, tomato miRNAs putatively targeting biological processes have negative effects on digestion, mobility, and reproduction. To experimentally test this hypothesis, an feeding assay was carried out using sly-miRNAs selected from the bioinformatics approach. The results show that two tomato miRNAs (sly-miRNA156a, sly-miR169f) soaked by juvenile larvae (J2s) affected their ability to infect plant roots and form galls. This was also coupled with a significant downregulation of predicted target genes (), as revealed by a qRT-PCR analysis.

Discussions: Therefore, the current study expands the knowledge related to the cross-kingdom miRNAs involvement in host-parasite interactions and could pave the way for the application of exogenous plant miRNAs as tools to control nematode infection.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11114104PMC
http://dx.doi.org/10.3389/fpls.2024.1383986DOI Listing

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