ArticleJournal of experimental botany2014
Cotton KNL1, encoding a class II KNOX transcription factor, is involved in regulation of fibre development.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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45 citing papers in PubMed, 101 citations in OpenAlex.
- The mitogen-activated protein kinase GhMPK3 participates in ethylene signaling regulating fiber elongation in cotton (Gossypium hirsutum).Plant cell reports · 2026Article
- 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
- A Natural LTR Retrotransposon Insertion in the Promoter of GhNAC140-Dt Boosts Cotton Lint Yield.Plant biotechnology journal · 2026Article
- Fine mapping and functional analysis of the candidate gene OFP17, regulating both seed and fruit sizes in cotton.The plant genome · 2026Article
- PagKNAT5a promotes plant growth by enhancing xylem cell elongation and secondary wall formation in poplar.Horticulture research · 2025Article
- Article
- Cotton BLH1 and KNOX6 antagonistically modulate fiber elongation via regulation of linolenic acid biosynthesis.Plant communications · 2024Article
- Identification of CaPCR1, an OFP gene likely involved in pointed versus concave fruit tip regulation in pepper (Capsicum annuum L.) using recombinant inbred lines.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genome resources for three modern cotton lines guide future breeding efforts.Nature plants · 2024Article
- The 4Fs of cotton: genome editing of cotton for fiber, food, feed, and fuel to achieve zero hunger.Frontiers in genome editing · 2024Review
- Phylogenomic curation of Ovate Family Proteins (OFPs) in the U's Triangle of Brassica L. indicates stress-induced growth modulation.PloS one · 2024Article
- The transcription factor ERF108 interacts with AUXIN RESPONSE FACTORs to mediate cotton fiber secondary cell wall biosynthesis.The Plant cell · 2023Article
- A comprehensive overview of cotton genomics, biotechnology and molecular biological studies.Science China. Life sciences · 2023Review
- Advances in understanding epigenetic regulation of plant trichome development: a comprehensive review.Horticulture research · 2023Article
- Genome-wide association study of fiber yield-related traits uncovers the novel genomic regions and candidate genes in Indian upland cotton (Frontiers in plant science · 2023Article
- Expressed genes and their new alleles identification during fibre elongation reveal the genetic factors underlying improvements of fibre length in cotton.Plant biotechnology journal · 2022Article
- Cell wall integrity regulation across plant species.Plant molecular biology · 2022Review
- Understanding thePlants (Basel, Switzerland) · 2022Review
- Genome-wide characterization of ovate family protein gene family associated with number of seeds per silique inFrontiers in plant science · 2022Article
- Identification of proteins associated with bast fiber growth of ramie by differential proteomic analysis.BMC genomics · 2021Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this study, the GhKNL1 (KNOTTED1-LIKE) gene, encoding a classical class II KNOX protein was identified in cotton (Gossypium hirsutum). GhKNL1 was preferentially expressed in developing fibres at the stage of secondary cell wall (SCW) biosynthesis. GhKNL1 was localized in the cell nucleus, and could interact with GhOFP4, as well as AtOFP1, AtOFP4, and AtMYB75. However, GhKNL1 lacked transcriptional activation activity. Dominant repression of GhKNL1 affected fibre development of cotton. The expression levels of genes related to fibre elongation and SCW biosynthesis were altered in transgenic fibres of cotton. As a result, transgenic cotton plants produced aberrant, shrunken, and collapsed fibre cells. Length and cell-wall thickness of fibres of transgenic cotton plants were significantly reduced compared with the wild type. Furthermore, overexpression and dominant repression of GhKNL1 in Arabidopsis resulted in a reduction in interfascicular fibre cell-wall thickening of basal stems of transgenic plants. Complementation revealed that GhKNL1 rescued the defective phenotype of Arabidopsis knat7 mutant in some extent. These data suggest that GhKNL1, as a transcription factor, participates in regulating fibre development of cotton.
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