ArticleBMC plant biology2021
Identification of miRNAs and their target genes in genic male sterility lines in Brassica napus by small RNA sequencing.
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 13 citations in OpenAlex.
- MicroRNA identification and expression analysis of wheat thermo-sensitive male sterile line BNS366 for fertility transformation.Frontiers in plant science · 2025Article
- Evaluation of protein's interaction and the regulatory network of some drought-responsive genes in Canola under drought and re-watering conditions.Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
- Multiple Functions of MiRNAs inLife (Basel, Switzerland) · 2022Review
- Identification of miRNAs and their target genes associated with improved maize seed vigor induced by gibberellin.Frontiers in plant science · 2022Article
- Global transcriptome analysis reveals potential genes associated with genic male sterility of rapeseed (Frontiers in plant science · 2022Article
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBrassica napus is the third leading source of edible oil in the world. Genic male sterility (GMS) lines provide crucial material for harnessing heterosis for rapeseed. GMS lines have been used successfully for rapeseed hybrid production in China. MicroRNAs (miRNAs) play crucial regulatory roles in various plant growth, development, and stress response processes. However, reports on miRNAs that regulate the pollen development of GMS lines in B. napus are few.
resultsIn this study, 12 small RNA and transcriptome libraries were constructed and sequenced for the flower buds from the fertile and sterile lines of two recessive GMS (RGMS) lines, namely, "6251AB" and "6284AB". At the same time, 12 small RNA and transcriptome libraries were also constructed and sequenced for the flower buds from the fertile and sterile lines of two dominant GMS (DGMS) lines, namely, "4001AB" and "4006AB". Based on the results, 46 known miRNAs, 27 novel miRNAs on the other arm of known pre-miRNAs, and 44 new conserved miRNAs were identified. Thirty-five pairs of novel miRNA-3p/miRNA-5p were found. Among all the identified miRNAs, fifteen differentially expressed miRNAs with over 1.5-fold change between flower buds of sterile and fertile lines were identified, including six differentially expressed miRNAs between "4001A" and "4001B", two differentially expressed miRNAs between "4006A" and "4006B", four differentially expressed miRNAs between "6251A" and "6251B", and ten differentially expressed miRNAs between "6284A" and "6284B". The correlation analysis of small RNA and transcriptome sequencing was conducted. And 257 candidate target genes were predicted for the 15 differentially expressed miRNAs. The results of 5' modified RACE indicated that BnaA09g48720D, BnaA09g11120D, and BnaCnng51960D were cleaved by bna-miR398a-3p, bna-miR158-3p and bna-miR159a, respectively. Among the differentially expressed miRNAs, miR159 was chosen to analyze its function. Overexpression of bna-miR159 in Arabidopsis resulted in decreased seed setting rate, and shortened siliques, illustrating that miR159 may regulate the fertility and silique development in rapeseed.
conclusionsOur findings provide an overview of miRNAs that are potentially involved in GMS and pollen development. New information on miRNAs and their related target genes are provided to exploit the GMS mechanism and reveal the miRNA networks in B. napus.
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