Abstract
In this study, we performed small RNA and whole-transcriptome sequencing of different tissues of Nymphaea minuta to systematically investigate the roles and regulatory mechanisms of miRNA, lncRNA, and circRNA in the regulation of flowering-related target genes. Fifteen samples were sequenced using the Illumina platform, with strict data quality control to ensure the reliability of the analysis. By applying multiple bioinformatics tools, miRNA, lncRNA, and circRNA were comprehensively identified, annotated, and functionally analyzed, with a focus on screening non-coding RNAs closely related to the flowering process. The results showed significant differential expression of these miRNAs and lncRNAs across different tissues, which influenced the expression of flowering-related genes through specific regulatory networks. The constructed gene co-expression network further revealed the central roles of these non-coding RNAs in flowering regulation. This study provides new insights into the flowering regulatory mechanisms of N. minuta, highlights the potential of this species for studying aquatic plant flowering mechanisms, and provides an important theoretical basis for gene function research in aquatic plants.
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