ArticlePlant signaling & behavior2009
Localization of eIF4A-III in the nucleolus and splicing speckles is an indicator of plant stress.
Article in Plant signaling & behavior, 2009. 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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13 citing papers in PubMed, 21 citations in OpenAlex.
- Salinity Stress Induces Phase Separation of Plant BARENTSZ to Form Condensates.Rice (New York, N.Y.) · 2025Article
- Identification of Host Factors Interacting with Movement Proteins of the 30K Family inInternational journal of molecular sciences · 2024Article
- Alternative splicing regulation in plants by SP7-like effectors from symbiotic arbuscular mycorrhizal fungi.Nature communications · 2024Article
- The DEAD-box RNA helicase eIF4A regulates plant development and interacts with the hnRNP LIF2L1 in Physcomitrella patens.Molecular genetics and genomics : MGG · 2020Article
- NHX1 and eIF4A1-stacked transgenic sweetpotato shows enhanced tolerance to drought stress.Plant cell reports · 2019Article
- Transcriptome analyses reveal SR45 to be a neutral splicing regulator and a suppressor of innate immunity in Arabidopsis thaliana.BMC genomics · 2017Article
- NMD mechanism and the functions of Upf proteins in plant.Plant cell reports · 2016Review
- The RNA helicase, eIF4A-1, is required for ovule development and cell size homeostasis in Arabidopsis.The Plant journal : for cell and molecular biology · 2015Article
- Integration of Light and Photoperiodic Signaling in Transcriptional Nuclear Foci.Developmental cell · 2015Article
- Mechanism of cytoplasmic mRNA translation.The arabidopsis book · 2015Article
- Plant nonsense-mediated mRNA decay is controlled by different autoregulatory circuits and can be induced by an EJC-like complex.Nucleic acids research · 2013Article
- Masked mRNA is stored with aggregated nuclear speckles and its asymmetric redistribution requires a homolog of Mago nashi.BMC cell biology · 2011Article
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Abstract
The mechanisms of long-term adaptation to low oxygen environment are quite well studied, but little is known about the sensing of oxygen shortage, the signal transduction and the shortterm effects of hypoxia in plant cells. We have found that an RNA helicase eIF4A-III, a putative component of the Exon Junction Complex, rapidly changes its pattern of localisation in the plant nucleus under hypoxic conditions. In normal cell growth conditions GFPeIF4A-III was mainly nucleoplasmic, but in hypoxia stress conditions it moved to the nucleolus and splicing speckles. This transition occurred within 15-20 min in Arabidopsis culture cells and seedling root cells, but took more than 2 h in tobacco BY-2 culture cells. Inhibition of respiration, transcription or phosphorylation in cells and ethanol treatment had similar effects to hypoxia. The most likely consequence is that a certain mRNA population will remain bound to the eIF4A-III and other mRNA processing proteins, rather than being transported from the nucleus to the cytoplasm, and thus its translation will be suspended.
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