ArticleJournal of experimental botany2020
KHZ1 and KHZ2, novel members of the autonomous pathway, repress the splicing efficiency of FLC pre-mRNA in Arabidopsis.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Molecular integration of seasonal temperature signals in flowering time control.Nature reviews. Genetics · 2026Review
- Prion-like Proteins in Plants: Key Regulators of Development and Environmental Adaptation via Phase Separation.Plants (Basel, Switzerland) · 2024Review
- Identification and Functional Analysis ofInternational journal of molecular sciences · 2024Article
- Integrated transcriptome and proteome analysis provides insights into CpFPA1 for floral induction in Chimonanthus praecox (Magnoliidae) without FLC in genome.Plant cell reports · 2024Article
- Importance of pre-mRNA splicing and its study tools in plants.Advanced biotechnology · 2024Review
- Heterologous Expression of TwoInternational journal of molecular sciences · 2023Article
- Hormone Regulation of CCCH Zinc Finger Proteins in Plants.International journal of molecular sciences · 2022Review
- AaZFP3, a Novel CCCH-Type Zinc Finger Protein fromInternational journal of molecular sciences · 2022Article
- The intertwining of Zn-finger motifs and abiotic stress tolerance in plants: Current status and future prospects.Frontiers in plant science · 2022Review
- Whole-transcriptome analysis of differentially expressed genes between ray and disc florets and identification of flowering regulatory genes inFrontiers in plant science · 2022Article
- The Roles of CCCH Zinc-Finger Proteins in Plant Abiotic Stress Tolerance.International journal of molecular sciences · 2021Review
- BcMF30a and BcMF30c, Two Novel Non-Tandem CCCH Zinc-Finger Proteins, Function in Pollen Development and Pollen Germination inInternational journal of molecular sciences · 2020Article
- RNA Splicing ofFrontiers in plant science · 2019Review
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Authors and funding
5 authors.
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Abstract
As one of the most important events during the life cycle of flowering plants, the floral transition is of crucial importance for plant propagation and requires the precise coordination of multiple endogenous and external signals. There have been at least four flowering pathways (i.e. photoperiod, vernalization, gibberellin, and autonomous) identified in Arabidopsis. We previously reported that two Arabidopsis RNA-binding proteins, KHZ1 and KHZ2, redundantly promote flowering. However, the underlying mechanism was unclear. Here, we found that the double mutant khz1 khz2 flowered late under both long-day and short-day conditions, but responded to vernalization and gibberellin treatments. The late-flowering phenotype was almost completely rescued by mutating FLOWERING LOCUS C (FLC) and fully rescued by overexpressing FLOWERING LOCUS T (FT). Additional experiments demonstrated that the KHZs could form homodimers or interact to form heterodimers, localized to nuclear dots, and repressed the splicing efficiency of FLC pre-mRNA. Together, these data indicate that the KHZs could promote flowering via the autonomous pathway by repressing the splicing efficiency of FLC pre-mRNA.
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