Affiliation:
1. Key Laboratory of Specialty Agri‐product Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences China Jiliang University Hangzhou People's Republic of China
Abstract
AbstractBACKGROUNDThe alteration of chromatin accessibility plays an important role in plant responses to abiotic stress. Carbon‐based nanomaterials (CBNMs) have attracted increasing interest in agriculture due to their potential impact on crop productivity, showcasing effects on plant biological processes at transcriptional levels; however, their impact on chromatin accessibility remains unknown.RESULTSThis study found that fullerenol can penetrate the seed coat of pea to mitigate the reduction of seed germination caused by osmotic stress. RNA sequencing (RNA‐seq) revealed that the application of fullerenol caused the high expression of genes related to oxidoreduction to return to a normal level. Assay for transposase accessible chromatin sequencing (ATAC‐seq) confirmed that fullerenol application reduced the overall levels of chromatin accessibility of numerous genes, including those related to environmental signaling, transcriptional regulation, and metabolism.CONCLUSIONThis study suggests that fullerenol alleviates osmotic stress on various fronts, encompassing antioxidant, transcriptional, and epigenetic levels. This advances knowledge of the working mechanism of this nanomaterial within plant cells. © 2024 Society of Chemical Industry.
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