ArticleBMC genomics2019
Identification and profiling of upland cotton microRNAs at fiber initiation stage under exogenous IAA application.
Article in BMC genomics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 48 citations in OpenAlex.
- Transcriptome and miRNAome analysis reveals expression profiles of platycodin biosynthesis-related genes and their potential miRNA regulators inFrontiers in plant science · 2026Article
- A high-resolution model of gene expression during Gossypium hirsutum (cotton) fiber development.BMC genomics · 2025Article
- Genome-Wide Identification of theInternational journal of molecular sciences · 2024Article
- Decoding drought resilience: a comprehensive exploration of the cotton Eceriferum (CER) gene family and its role in stress adaptation.BMC plant biology · 2024Article
- Analysis ofInternational journal of molecular sciences · 2023Article
- Advances in understanding epigenetic regulation of plant trichome development: a comprehensive review.Horticulture research · 2023Article
- Role of Actin Dynamics andGenes · 2023Review
- Fine mapping and candidate gene analysis of qFL-A12-5: a fiber length-related QTL introgressed from Gossypium barbadense into Gossypium hirsutum.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Enhanced nitrogen removal viaFrontiers in bioengineering and biotechnology · 2023Article
- Potential Roles of 1-Aminocyclopropane-1-carboxylic Acid Synthase Genes in the Response ofPlants (Basel, Switzerland) · 2022Article
- RNA-Seq with a novel glabrous-ZM24fl reveals some key lncRNAs and the associated targets in fiber initiation of cotton.BMC plant biology · 2022Article
- Genome-wide identification and analysis of Oleosin gene family in four cotton species and its involvement in oil accumulation and germination.BMC plant biology · 2021Article
- The emerging role of small RNAs in ovule development, a kind of magic.Plant reproduction · 2021Review
- GhGASA10-1 promotes the cell elongation in fiber development through the phytohormones IAA-induced.BMC plant biology · 2021Article
- Profiling of MicroRNAs Involved in Mepiquat Chloride-Mediated Inhibition of Internode Elongation in Cotton (Frontiers in plant science · 2021Article
- Investigation of thePlants (Basel, Switzerland) · 2020Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCotton is the most essential textile crop worldwide, and phytohormones are critical for cotton fiber development. One example is the role of auxin in fiber initiation, but we know little molecular basis. MicroRNAs (miRNAs) have a significant function in cotton development; nevertheless their role in fiber initiation remains unclear. Here, exogenous IAA was applied to cotton plant before anthesis. Utilizing small RNA sequencing, the mechanism underlying miRNA-mediated regulation of fiber initiation under exogenous IAA treatment was investigated.
resultsWith exogenous IAA application, the endogenous IAA and GA contents of IAA treated (IT) ovules were higher than control (CK) ovules at the fiber initiation stage, while endogenous ABA content was lower in IT than CK. Using scanning electron microscopy, we found the fiber number and size were significantly promoted in IT at 0 DPA. Fiber quality analysis showed that fiber length, uniformity, strength, elongation, and micronaire of IT were higher than CK, though not statistically significant, while lint percent was significantly higher in IT. We generated six small RNA libraries using - 3, 0, and 3 DPA ovules of IT and CK, and identified 58 known miRNAs and 83 novel miRNAs together with the target genes. The differential expressed miRNAs number between IT and CK at - 3, 0, 3 DPA was 34, 16 and 24, respectively. Gene ontology and KEGG pathway enrichment analyses for the target genes of the miRNAs expressed in a differential manner showed that they were significantly enriched in 30 terms and 8 pathways. QRT-PCR for those identified miRNAs and the target genes related to phytohormones and fiber development was performed, and results suggested a potential role of these miRNAs in fiber initiation.
conclusionsThe exogenous IAA application affected the relative phytohormone contents in ovule and promoted fiber initiation in cotton. Identification and profiling of miRNAs and their targets at the fiber initiation stage provided insights for miRNAs' regulation function of fiber initiation. These findings not only shed light on the regulatory network of fiber growth but also offer clues for cotton fiber amelioration strategies in cotton.
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