ArticlePlant cell reports2015
A cotton fiber-preferential promoter, PGbEXPA2, is regulated by GA and ABA in Arabidopsis.
Article in Plant cell reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed, 39 citations in OpenAlex.
- Harnessing GhGRDP1 natural variation for enhanced cotton seed yield: a rhamnose-dependent strategy in breeding.Journal of advanced research · 2026Article
- Genome-Wide Characterization of theGenes · 2025Article
- TRANSPARENT TESTA 16 collaborates with the MYB-bHLH-WD40 transcriptional complex to produce brown fiber cotton.Plant physiology · 2024Article
- Alpha-expansins: more than three decades of wall creep and loosening in fruits.Plant molecular biology · 2024Review
- Isolation and Functional Characterization of a Constitutive Promoter in Upland Cotton (International journal of molecular sciences · 2024Article
- Identification and Functional Analysis of the Promoter of a Leucoanthocyanidin Reductase Gene from Gossypium hirsutum.Molecular biotechnology · 2023Article
- GhBZR3 suppresses cotton fiber elongation by inhibiting very-long-chain fatty acid biosynthesis.The Plant journal : for cell and molecular biology · 2022Article
- Transcriptomic analysis reveals the key role of histone deacetylation via mediating different phytohormone signalings in fiber initiation of cotton.Cell & bioscience · 2022Article
- Re enhances anthocyanin and proanthocyanidin accumulation to produce red foliated cotton and brown fiber.Plant physiology · 2022Article
- The bHLH/HLH transcription factors GhFP2 and GhACE1 antagonistically regulate fiber elongation in cotton.Plant physiology · 2022Article
- Article
- An Unexpected Regulatory Sequence from Rho-Related GTPase6 Confers Fiber-Specific Expression in Upland Cotton.International journal of molecular sciences · 2022Article
- An Easy and Rapid Transformation Protocol for Transient Expression in Cotton Fiber.Frontiers in plant science · 2022Article
- A Modified Actin (Gly65Val Substitution) Expressed in Cotton Disrupts Polymerization of Actin Filaments Leading to the Phenotype of Ligon Lintless-1 (International journal of molecular sciences · 2021Article
- Updates on molecular mechanisms in the development of branched trichome in Arabidopsis and nonbranched in cotton.Plant biotechnology journal · 2019Review
- A Pivotal Role of Hormones in Regulating Cotton Fiber Development.Frontiers in plant science · 2019Review
- GhHUB2, a ubiquitin ligase, is involved in cotton fiber development via the ubiquitin-26S proteasome pathway.Journal of experimental botany · 2018Article
- Article
- MicroRNA 157-targeted SPL genes regulate floral organ size and ovule production in cotton.BMC plant biology · 2017Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messagePGbEXPA2 (Promoter of GbEXPA2 ) was preferentially and strongly expressed during cotton fiber development, and the 461-bp PGbEXPA2 fragment was essential for responding to exogenous GA and ABA in Arabidopsis. Cotton fibers are highly elongated single-cell, unbranched and non-glandular seed trichomes. Previous studies have reported that the transcript level of GbEXPA2 is significantly up-regulated during fiber cell elongation, suggesting that GbEXPA2 has an important function in fiber development. In this study, the promoter of GbEXPA2 (839 bp) from the D(T) sub-genome was isolated from Gossypium barbadense 3-79. Consistent with the expression pattern of GbEXPA2, the promoter PGbEXPA2 was able to express GUS to high levels in elongating fibers, but not in the root, stem, or leaf. In Arabidopsis, GUS activity was only found in the rosette leaf trichomes and rosette leaf vascular tissue, indicating that the transcription factors which bind to PGbEXPA2 in the leaf trichomes of transgenic Arabidopsis were similar to those found in cotton fiber. A deletion analysis of PGbEXPA2 revealed that a 461-bp fragment was sufficient to drive GUS expression in cotton fibers and Arabidopsis rosette leaf trichomes. Exogenous phytohormonal treatments on transgenic Arabidopsis with different promoter lengths (P-839, P-705, P-588 and P-461) showed that GUS activity in Arabidopsis trichomes could be strongly up-regulated by GA and, in contrast, down-regulated by ABA.
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