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Background: Ginkgo biloba, a typical dioecious plant, is a traditional medicinal plant widely planted. However, it has a long juvenile period, which severely affected the breeding and cultivation of superior ginkgo varieties.
Results: In order to clarify the complex mechanism of sexual differentiation in G. biloba strobili. Here, a total of 3,293 miRNAs were identified in buds and strobili of G. biloba, including 1,085 conserved miRNAs and 2,208 novel miRNAs using the three sequencing approaches of transcriptome, small RNA, and degradome. Comparative transcriptome analysis screened 4,346 and 7,087 differentially expressed genes (DEGs) in MB _vs_ FB and MS _vs_ OS, respectively. A total of 6,032 target genes were predicted for differentially expressed miRNA. The combined analysis of both small RNA and transcriptome datasets identified 51 miRNA-mRNA interaction pairs that may be involved in the process of G. biloba strobili sexual differentiation, of which 15 pairs were verified in the analysis of degradome sequencing.
Conclusions: The comprehensive analysis of the small RNA, RNA and degradome sequencing data in this study provided candidate genes and clarified the regulatory mechanism of sexual differentiation of G. biloba strobili from multiple perspectives.
Keywords
Differentially expressed genes, Ginkgo biloba, MiRNA, Strobili sexual determination, Target gene
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View the published article at BMC Plant Biology.
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See the published version of this preprint at BMC Plant Biology.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research article
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at BMC Plant Biology.
Version 1
Posted 11 Jun, 2020
No community comments so far
Submission checks complete
On 10 Jun, 2020
Editor invited
On 10 Jun, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at BMC Plant Biology.
Background: Ginkgo biloba, a typical dioecious plant, is a traditional medicinal plant widely planted. However, it has a long juvenile period, which severely affected the breeding and cultivation of superior ginkgo varieties.
Results: In order to clarify the complex mechanism of sexual differentiation in G. biloba strobili. Here, a total of 3,293 miRNAs were identified in buds and strobili of G. biloba, including 1,085 conserved miRNAs and 2,208 novel miRNAs using the three sequencing approaches of transcriptome, small RNA, and degradome. Comparative transcriptome analysis screened 4,346 and 7,087 differentially expressed genes (DEGs) in MB _vs_ FB and MS _vs_ OS, respectively. A total of 6,032 target genes were predicted for differentially expressed miRNA. The combined analysis of both small RNA and transcriptome datasets identified 51 miRNA-mRNA interaction pairs that may be involved in the process of G. biloba strobili sexual differentiation, of which 15 pairs were verified in the analysis of degradome sequencing.
Conclusions: The comprehensive analysis of the small RNA, RNA and degradome sequencing data in this study provided candidate genes and clarified the regulatory mechanism of sexual differentiation of G. biloba strobili from multiple perspectives.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
This is a list of supplementary files associated with this preprint. Click to download.
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