ArticlePlanta2016
Cotton cytosolic pyruvate kinase GhPK6 participates in fast fiber elongation regulation in a ROS-mediated manner.
Article in Planta, 2016. 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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Who cites it
19 citing papers in PubMed, 32 citations in OpenAlex.
- The trade-off mechanism between fiber elongation and seed vigor formation mediated by the RCD1-MYC3 module in cotton.Science China. Life sciences · 2026Article
- Research Advances in Plant Pyruvate Kinase.International journal of molecular sciences · 2026Review
- Integrated transcriptomic and proteomic analysis reveals inhibitory effects of naringenin application on soybean roots mainly by interfering with auxin and ROS concentrations.BMC plant biology · 2026Article
- Genome-Wide Identification and Expression Profiling of Pyruvate Kinase Genes in Litchi Under Calcium-Magnesium Foliar Treatment.Plants (Basel, Switzerland) · 2025Article
- Spatiotemporal transcriptome and metabolome landscapes of cotton fiber during initiation and early development.Nature communications · 2025Article
- Nuclear-localized pyruvate kinases control phosphorylation of histone H3 on threonine 11.Nature plants · 2024Article
- Co-Expression Network Analysis and Introgressive Gene Identification for Fiber Length and Strength Reveal Transcriptional Differences in 15 Cotton Chromosome Substitution Segment Lines and Their Upland and Sea Island Parents.Plants (Basel, Switzerland) · 2024Article
- Characterization of the pyruvate kinase gene family in soybean and identification of a putative salt responsive gene GmPK21.BMC genomics · 2024Article
- Genome-Wide Analysis and Functional Characterization of Pyruvate Kinase (PK) Gene Family Modulating Rice Yield and Quality.International journal of molecular sciences · 2022Article
- Proteome-wide identification of S-sulfenylated cysteines reveals metabolic response to freezing stress after cold acclimation inFrontiers in plant science · 2022Article
- Weighted Gene Co-Expression Network Analysis Reveals Hub Genes Contributing to Fuzz Development inGenes · 2021Article
- Programmed Editing of Rice (International journal of molecular sciences · 2020Article
- Mitochondria-Associated Pyruvate Kinase Complexes Regulate Grain Filling in Rice.Plant physiology · 2020Article
- Transcriptome analysis reveals differences in the mechanisms of fiber initiation and elongation between long- and short-fiber cotton (Gossypium hirsutum L.) lines.BMC genomics · 2019Article
- Genetic variation of dynamic fiber elongation and developmental quantitative trait locus mapping of fiber length in upland cotton (Gossypium hirsutum L.).BMC genomics · 2018Article
- OsPK2 encodes a plastidic pyruvate kinase involved in rice endosperm starch synthesis, compound granule formation and grain filling.Plant biotechnology journal · 2018Article
- Article
- Serine phosphorylation of the cotton cytosolic pyruvate kinase GhPK6 decreases its stability and activity.FEBS open bio · 2017Article
- Identification and Profiling of microRNAs Expressed in Elongating Cotton Fibers Using Small RNA Deep Sequencing.Frontiers in plant science · 2016Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
MAIN
conclusionCotton cytosolic pyruvate kinase GhPK6 is preferentially expressed in the late stage of fiber elongation process, transgenic experiments indicated that its expression level was negatively correlated to cell expansion rate. Pyruvate kinase (PK) plays vital regulatory roles in rapid cell growth in mammals. However, the function of PK in plant cell growth remains unclear. In allotetraploid upland cotton (Gossypium hirsutum L.), a total of 33 PK genes are encoded by the genome. Analysis of the transcriptome data indicated that only two cytosolic PK genes, GhPK6 and its duplicated gene GhPK26, are preferentially expressed in elongating cotton fiber cells. RT-qPCR and western blot analyses revealed that the expression of GhPK6 was negatively correlated with fiber elongation rate, which well explains the observed sharp increase of cytosolic PK activity at the end of fast fiber elongation process. Furthermore, virus-induced gene silencing of GhPK6 in cotton plants resulted in increased fiber cell elongation and reduced reactive oxygen species (ROS) accumulation. On the contrary, Arabidopsis plants ectopically expressing GhPK6 exhibited ROS-mediated growth inhibition, whereas the addition of ROS scavenging reagents could partly rescue this inhibition. These data collectively suggested that GhPK6 might play an important role in regulating cotton fiber elongation in a ROS-dependent inhibition manner.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.