ArticleJournal of integrative plant biology2024
Transcriptional regulation of phospholipid transport in cotton fiber elongation by GhMYB30D04-GhHD1 interaction complex.
Article in Journal of integrative plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Evaluating Causal Claims in Plant Developmental Metabolism: A When-Where-How Framework.Plants (Basel, Switzerland) · 2026Review
- The mitogen-activated protein kinase GhMPK3 participates in ethylene signaling regulating fiber elongation in cotton (Gossypium hirsutum).Plant cell reports · 2026Article
- Transmembrane Protein GbTMEM209 Inhibits Fibre Elongation via Competitive Interaction With GbHOX3 in Gossypium barbadense.Plant biotechnology journal · 2026Article
- Transcriptional regulation of phospholipid transport in cotton fiber elongation by GhMYB30D04-GhHD1 interaction complex.Journal of integrative plant biology · 2024Article
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Authors and funding
6 authors.
Funding
Abstract
Cotton fiber length is basically determined by well-coordinated gene expression and phosphatidylinositol phosphates (PIPs) accumulation during fiber elongation but the regulatory mechanism governing PIPs transport remains unknown. Here, we report a MYB transcription factor GhMYB30D04 in Gossypium hirsutum that promotes fiber elongation through modulating the expression of PIP transporter gene GhLTPG1. Knockout of GhMYB30D04 gene in cotton (KO) results in a reduction of GhLTPG1 transcripts with lower accumulation of PIPs, leading to shorter fibers and lower fiber yield. Conversely, GhMYB30D04 overexpression (GhMYB30D04-OE) causes richer PIPs and longer cotton fibers, mimicking the effects of exogenously applying PIPs on the ovules of GhMYB30D04-KO and wild type. Furthermore, GhMYB30D04 interacts with GhHD1, the crucial transcription factor of fiber initiation, to form an activation complex stabilized by PIPs, both of which upregulate GhLTPG1 expression. Comparative omics-analysis revealed that higher and extended expressions of LTPG1 in fiber elongation mainly correlate with the variations of the GhMYB30D04 gene between two cotton allotetraploids, contributing to longer fiber in G. babardense. Our work clarifies a mechanism by which GhHD1-GhMYB30D04 form a regulatory module of fiber elongation to tightly control PIP accumulation. Our work still has an implication that GhMYB30D04-GhHD1 associates with development transition from fiber initiation to elongation.
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