Genome-wide identification and analysis of miR396 family members and their target GRF genes in rubber tree (Hevea brasiliensis)

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Опубліковано в::BMC Genomics vol. 26 (2025), p. 1-13
Автор: Liu, Mingming
Інші автори: Zhao, Shenghe, Wang, Jiameng, Tu, Zhihua, Chen, Jinhui
Опубліковано:
Springer Nature B.V.
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022 |a 1471-2164 
024 7 |a 10.1186/s12864-025-12156-x  |2 doi 
035 |a 3268438149 
045 2 |b d20250101  |b d20251231 
084 |a 58495  |2 nlm 
100 1 |a Liu, Mingming 
245 1 |a Genome-wide identification and analysis of <i>miR396</i> family members and their target GRF genes in rubber tree (<i>Hevea brasiliensis</i>) 
260 |b Springer Nature B.V.  |c 2025 
513 |a Journal Article 
520 3 |a BackgroundMicroRNAs (miRNAs) are key regulators of gene expression as they play crucial roles at the post-transcriptional level. In particular, the miR319-GRF module is an important gene regulatory network in plants, extensively involved in processes such as plant growth and development. Although miR396 is one of the most conserved miRNA families, its role in rubber trees remains poorly understood. In this study, bioinformatics analysis, including target prediction, was performed to reveal the evolutionary and expression patterns of the Hbr-miR396 family members.ResultsA total of six Hbr-miR396 members were identified, distributed across four chromosomes. Secondary structure analysis revealed that the precursor sequences of the six Hbr-miR396 members could form a typical stem-loop (hairpin) structure. Sequence analysis show that the members of the Hbr-miR396 family form three mature sequences. Furthermore, phylogenetic analysis demonstrated that the Hbr-miR396 family members are closely related to those from cassava. Eight members of the growth regulatory factor (GRF) family were predicted as potential targets of Hbr-miR396. The dual-luciferase assays also confirmed that Hbr-miR396b strongly inhibited the expression of HbrGRF3. Expression analysis of the HbrGRF targets in different tissues revealed that HbrGRFs are mainly expressed in the cambium and flowers. Therefore, Hbr-miR396 may potentially regulate growth and floral organ development in rubber trees by targeting HbrGRFs.ConclusionsThe data presented in this study offer valuable insights into the functional and molecular regulatory mechanisms of the miR396-GRFs module in rubber tree growth and development, laying a foundation for further investigation into its biological roles in enhancing both rubber production and timber quality. 
653 |a Rubber 
653 |a Cassava 
653 |a Phylogenetics 
653 |a Sequence analysis 
653 |a Secondary structure 
653 |a miRNA 
653 |a Bioinformatics 
653 |a Leaves 
653 |a MicroRNAs 
653 |a Genomes 
653 |a Post-transcription 
653 |a Rubber trees 
653 |a Modules 
653 |a Structural analysis 
653 |a Plant growth 
653 |a Localization 
653 |a Transgenic plants 
653 |a Proteins 
653 |a Gene expression 
653 |a Chromosomes 
653 |a Trees 
653 |a Genomic analysis 
653 |a Protein structure 
653 |a Regulatory mechanisms (biology) 
653 |a Environmental 
700 1 |a Zhao, Shenghe 
700 1 |a Wang, Jiameng 
700 1 |a Tu, Zhihua 
700 1 |a Chen, Jinhui 
773 0 |t BMC Genomics  |g vol. 26 (2025), p. 1-13 
786 0 |d ProQuest  |t Health & Medical Collection 
856 4 1 |3 Citation/Abstract  |u https://www.proquest.com/docview/3268438149/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch 
856 4 0 |3 Full Text  |u https://www.proquest.com/docview/3268438149/fulltext/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch 
856 4 0 |3 Full Text - PDF  |u https://www.proquest.com/docview/3268438149/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch