ArticlePlant physiology2013
The cotton transcription factor TCP14 functions in auxin-mediated epidermal cell differentiation and elongation.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.
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57 citing papers in PubMed, 126 citations in OpenAlex.
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- Harnessing polyploidy for climate-resilient crops: Lessons from the evolutionary model, allotetraploid cotton.Proceedings of the National Academy of Sciences of the United States of America · 2026Review
- Spatiotemporal methylome remodeling during fiber differentiation in Gossypium hirsutum.BMC genomics · 2025Article
- Deciphering the dynamic expression network of fiber elongation and the functional role of the GhTUB5 gene for fiber length in cotton based on an introgression population of upland cotton.Journal of advanced research · 2025Article
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- Class I TCP in fruit development: much more than growth.Frontiers in plant science · 2024Review
- The 4Fs of cotton: genome editing of cotton for fiber, food, feed, and fuel to achieve zero hunger.Frontiers in genome editing · 2024Review
- Systematically and Comprehensively Understanding the Regulation of Cotton Fiber Initiation: A Review.Plants (Basel, Switzerland) · 2023Review
- A comprehensive overview of cotton genomics, biotechnology and molecular biological studies.Science China. Life sciences · 2023Review
- Genome-wide chromatin accessibility landscape and dynamics of transcription factor networks during ovule and fiber development in cotton.BMC biology · 2023Article
- Cytokinin-responsive MdTCP17 interacts with MdWOX11 to repress adventitious root primordium formation in apple rootstocks.The Plant cell · 2023Article
- Cell-specific clock-controlled gene expression program regulates rhythmic fiber cell growth in cotton.Genome biology · 2023Article
- Physiological Roles and Mechanisms of Action of Class I TCP Transcription Factors.International journal of molecular sciences · 2023Review
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- Arginine Decarboxylase GeneGenes · 2022Article
- Genome-Wide Analysis of theFrontiers in plant science · 2022Article
- Multi-Dimensional Molecular Regulation of Trichome Development inFrontiers in plant science · 2022Review
- CINCINNATA-Like TCP Transcription Factors in Cell Growth - An Expanding Portfolio.Frontiers in plant science · 2022Review
- CRISPR/Cas9-mediated targeted mutagenesis of GmTCP19L increasing susceptibility to Phytophthora sojae in soybean.PloS one · 2022Article
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Authors and funding
11 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant-specific TEOSINTE-BRANCHED1/CYCLOIDEA/PCF (TCP) transcription factors play crucial roles in development, but their functional mechanisms remain largely unknown. Here, we characterized the cellular functions of the class I TCP transcription factor GhTCP14 from upland cotton (Gossypium hirsutum). GhTCP14 is expressed predominantly in fiber cells, especially at the initiation and elongation stages of development, and its expression increased in response to exogenous auxin. Induced heterologous overexpression of GhTCP14 in Arabidopsis (Arabidopsis thaliana) enhanced initiation and elongation of trichomes and root hairs. In addition, root gravitropism was severely affected, similar to mutant of the auxin efflux carrier PIN-FORMED2 (PIN2) gene. Examination of auxin distribution in GhTCP14-expressing Arabidopsis by observation of auxin-responsive reporters revealed substantial alterations in auxin distribution in sepal trichomes and root cortical regions. Consistent with these changes, expression of the auxin uptake carrier AUXIN1 (AUX1) was up-regulated and PIN2 expression was down-regulated in the GhTCP14-expressing plants. The association of GhTCP14 with auxin responses was also evidenced by the enhanced expression of auxin response gene IAA3, a gene in the AUXIN/INDOLE-3-ACETIC ACID (Aux/IAA) family. Electrophoretic mobility shift assays showed that GhTCP14 bound the promoters of PIN2, IAA3, and AUX1, and transactivation assays indicated that GhTCP14 had transcription activation activity. Taken together, these results demonstrate that GhTCP14 is a dual-function transcription factor able to positively or negatively regulate expression of auxin response and transporter genes, thus potentially acting as a crucial regulator in auxin-mediated differentiation and elongation of cotton fiber cells.
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