Differential expression of microRNAs during root formation in Taxus chinensis var. mairei cultivars
Abstract: MicroRNAs (miRNAs) have been shown to play key roles in the regulation of plant growth and development by modifying the expression of their target genes. However, the influence of miRNAs on root formation and development in woody plants, such as Taxus chinensis, remains largely unknown. In the current study, we explored the phytohormone-response and nutrition-response miRNA expression profiles during T. chinensis rooting by quantitative real-time PCR (qPCR). We identified six phytohormone-response miRNAs, namely, miR164a, miR165, miR167a, miR171b, miR319, and miR391, and eight nutrition-response miRNAs, namely, miR169b, miR395a, miR399c, miR408, miR826, miR827, miR857, and miR2111a, that were differentially expressed at different rooting phases of T. chinensis. Using northern blot analysis of the putative target genes of these miRNAs, we detected the relative gene expression changes of the target genes. Taken together, our results suggest that miRNAs are involved in root formation of T. chinensis and that miRNAs may play important regulatory roles in primary root, crown root, and root hair formation by targeting phytohormone and/or nutrition response genes in T. chinensis. For the first time, these results expand our understanding of the molecular mechanisms of plant root formation and development in a conifer species.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Differential expression of microRNAs during root formation in Taxus chinensis var. mairei cultivars ; volume:14 ; number:1 ; year:2019 ; pages:97-109 ; extent:13
Open life sciences ; 14, Heft 1 (2019), 97-109 (gesamt 13)
- Urheber
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Fei, Yongjun
Luo, Caroline
Tang, Wei
- DOI
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10.1515/biol-2019-0011
- URN
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urn:nbn:de:101:1-2409201729460.998345791146
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:29 MESZ
Datenpartner
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Beteiligte
- Fei, Yongjun
- Luo, Caroline
- Tang, Wei
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