ArticleBMC genomics2014
Study of seed hair growth in Populus tomentosa, an important character of female floral bud development.
Article in BMC genomics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 22 citations in OpenAlex.
- Nitrate transiently rewires transcription in developing xylem of Populus wood to promote cell expansion via CRF4.The Plant cell · 2026Article
- Fine-scale monitoring of catkins reveals an association between catkin concentration and plant community characteristics and microclimate.Scientific reports · 2024Article
- Unraveling the lncRNA-miRNA-mRNA Regulatory Network Involved in Poplar Coma Development through High-Throughput Sequencing.International journal of molecular sciences · 2024Article
- PagUNE12 encodes a basic helix-loop-helix transcription factor that regulates the development of secondary vascular tissue in poplar.Plant physiology · 2023Article
- Poplar coma morphogenesis and miRNA regulatory networks by combining ovary tissue sectioning and deep sequencing.iScience · 2023Article
- Tetraploidization promotes radial stem growth in poplars.Plant biotechnology (Tokyo, Japan) · 2022Article
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- RNA interference suppression of AGAMOUS and SEEDSTICK alters floral organ identity and impairs floral organ determinacy, ovule differentiation, and seed-hair development in Populus.The New phytologist · 2019Article
- Identification of Morus notabilis MADS-box genes and elucidation of the roles of MnMADS33 during endodormancy.Scientific reports · 2018Article
- A Global View of Transcriptome Dynamics During Male Floral Bud Development in Populus tomentosa.Scientific reports · 2018Article
- Combining Metabolic Profiling and Gene Expression Analysis to Reveal the Biosynthesis Site and Transport of Ginkgolides inFrontiers in plant science · 2017Article
- De novo transcriptome analyses of host-fungal interactions in oil palm (Elaeis guineensis Jacq.).BMC genomics · 2016Article
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Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPoplar seed hair is an environmental annoyance in northern China due to its abundance and widespread airborne distribution after maturation. The morphogenesis and molecular mechanisms of its development are not well understood, and little attention has been focused on the dynamics of its development. To better understand the mechanism of poplar seed hair development, paraffin sections were used to examine the initiation and elongation of poplar seed hairs. RNA-seq technology was also employed to provide a comprehensive overview of transcriptional changes that occur during seed hair development.
resultsThe placenta at the base of ovary, was identified as the origin of seed hair development, which is in sharp contrast to cotton fibers that originate from epidermal cells of the seed coat. An enlarged cell nucleus in seed hair cells was also observed, which was supported by our gene ontology enrichment analysis. The significant enriched GO term of "endoreduplication" indicated that cycles of endoreduplication, bypassing normal mitosis, is the underlying mechanisms for the maintenance of the uni-cellular structure of seed hairs. By analyzing global changes in the transcriptome, many genes regulating cell cycle, cell elongation, cell well modification were identified. Additionally, in an analysis of differential expression, cellulose synthesis and cell wall biosynthesis-related biological processes were enriched, indicating that this component of fiber structure in poplar seed hairs is consistent with what is found in cotton fibers. Differentially expressed transcription factors exhibited a stage-specific up-regulation. A dramatic down-regulation was also revealed during the mid-to-late stage of poplar seed hair development, which may point to novel mechanisms regulating cell fate determination and cell elongation.
conclusionsThis study revealed the initiation site of poplar seed hairs and also provided a comprehensive overview of transcriptome dynamics during the process of seed hair development. The high level of resolution on dynamic changes in the transcriptome provided in this study may serve as a valuable resource for developing a more complete understanding of this important biological process.
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