ArticleThe Plant cell1996
Structure and expression of a plant U1 snRNP 70K gene: alternative splicing of U1 snRNP 70K pre-mRNAs produces two different transcripts.
Article in The Plant cell, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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Who cites it
44 citing papers in PubMed, 89 citations in OpenAlex.
- Splicing as an integrative layer linking cell cycle regulation, epigenetic dynamics, and environmental responses in plants.Frontiers in plant science · 2026Review
- Chemically-induced cellular stress signals are transmitted to alternative splicing via UsnRNA levels to alter gene expression in Arabidopsis thaliana.Plant molecular biology · 2025Article
- The Arabidopsis U1 snRNP regulates mRNA 3'-end processing.Nature plants · 2024Article
- Rare occurrence of cryptic 5' splice sites by downstream 3' splice site/exon boundary mutations in a heavy-ion-inducedFrontiers in plant science · 2024Article
- PICLN modulates alternative splicing and light/temperature responses in plants.Plant physiology · 2023Article
- Full-Length Transcript-Based Proteogenomics of Rice Improves Its Genome and Proteome Annotation.Plant physiology · 2020Article
- Article
- Heterogeneous Nuclear Ribonucleoprotein H1 Coordinates with Phytochrome and the U1 snRNP Complex to Regulate Alternative Splicing inThe Plant cell · 2019Article
- Alternative splicing and translation play important roles in hypoxic germination in rice.Journal of experimental botany · 2019Article
- To Splice or to Transcribe: SKIP-Mediated Environmental Fitness and Development in Plants.Frontiers in plant science · 2019Review
- Active 5' splice sites regulate the biogenesis efficiency of Arabidopsis microRNAs derived from intron-containing genes.Nucleic acids research · 2017Article
- Alternative Splicing in Plant Genes: A Means of Regulating the Environmental Fitness of Plants.International journal of molecular sciences · 2017Review
- The spliceosome assembly factor GEMIN2 attenuates the effects of temperature on alternative splicing and circadian rhythms.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Splicing of receptor-like kinase-encoding SNC4 and CERK1 is regulated by two conserved splicing factors that are required for plant immunity.Molecular plant · 2014Article
- Translational dynamics revealed by genome-wide profiling of ribosome footprints in Arabidopsis.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- SKIP is a component of the spliceosome linking alternative splicing and the circadian clock in Arabidopsis.The Plant cell · 2012Article
- Localization and dynamics of nuclear speckles in plants.Plant physiology · 2012Review
- Transportin-SR is required for proper splicing of resistance genes and plant immunity.PLoS genetics · 2011Article
- Genome-wide cloning and sequence analysis of leucine-rich repeat receptor-like protein kinase genes in Arabidopsis thaliana.BMC genomics · 2010Article
- Expression and sequence variation of the cucumber Por gene in the synthesized allotetraploid Cucumis x hytivus.Molecular biology reports · 2009Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The product of the U1 small nuclear ribonucleoprotein particle (U1 snRNP) 70K (U1-70K) gene, a U1 snRNP-specific protein, has been implicated in basic as well as alternative splicing of pre-mRNAs in animals. Here, we report the isolation of full-length cDNAs and the corresponding genomic clone encoding a U1-70K protein from a plant system. The Arabidopsis U1-70K protein is encoded by a single gene, which is located on chromosome 3. Several lines of evidence indicate that two distinct transcripts (short and long) are produced from the same gene by alternative splicing of the U1-70K pre-mRNA. The alternative splicing involves inclusion or exclusion of a region (910 bp) that we named "included intron." Two transcripts were clearly detectable in all tissues tested, and the level of the transcripts varied in different organs. The deduced amino acid (427 residues) sequence from the short transcript has strong homology to the animal U1-70K protein and contains an RNA recognition motif, a glycine hinge, and an arginine-rich region characteristic of the animal U1-70K protein. The long transcript has an in-frame translational termination codon within the 910-bp included intron, resulting in a truncated protein containing only 204 amino acids. The protein encoded by the short transcript is recognized by U1 RNP-specific monoclonal antibodies and binds specifically to the Arabidopsis U1 snRNA, whereas the protein from the long transcript does not. In addition, multiple polyadenylation sites were observed in the 3' untranslated region. These results suggest a complex post-transcriptional regulation of Arabidopsis U1-70K gene expression.
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