ArticleRice (New York, N.Y.)2021
Rice FLOURY SHRUNKEN ENDOSPERM 5 Encodes a Putative Plant Organelle RNA Recognition Protein that Is Required for cis-Splicing of Mitochondrial nad4 Intron 1.
Article in Rice (New York, N.Y.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 11 citations in OpenAlex.
- Splicing Factors in Plant Abiotic Stress Responses: Regulatory Mechanisms and Perspectives.Plants (Basel, Switzerland) · 2026Review
- Decoding heat-induced chalkiness in rice: molecular mechanisms, genetic networks, and mitigation strategies for climate resilience.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Review
- Map-based cloning of ZmSS5, construction and validation of its regulatory pathway for maize kernel weight.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- A Novel Allelic Variant ofCells · 2025Article
- Rice LIKE EARLY STARVATION1 cooperates with FLOURY ENDOSPERM6 to modulate starch biosynthesis and endosperm development.The Plant cell · 2024Article
- Review
- A mitochondrial pentatricopeptide repeat protein enhances cold tolerance by modulating mitochondrial superoxide in rice.Nature communications · 2023Article
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Authors and funding
13 authors at 1 institution in 1 country.
Funding
Abstract
backgroundThe sequences of several important mitochondrion-encoded genes involved in respiration in higher plants are interrupted by introns. Many nuclear-encoded factors are involved in splicing these introns, but the mechanisms underlying this splicing remain unknown.
resultsWe isolated and characterized a rice mutant named floury shrunken endosperm 5 (fse5). In addition to having floury shrunken endosperm, the fse5 seeds either failed to germinate or produced seedlings which grew slowly and died ultimately. Fse5 encodes a putative plant organelle RNA recognition (PORR) protein targeted to mitochondria. Mutation of Fse5 hindered the splicing of the first intron of nad4, which encodes an essential subunit of mitochondrial NADH dehydrogenase complex I. The assembly and NADH dehydrogenase activity of complex I were subsequently disrupted by this mutation, and the structure of the mitochondria was abnormal in the fse5 mutant. The FSE5 protein was shown to interact with mitochondrial intron splicing factor 68 (MISF68), which is also a splicing factor for nad4 intron 1 identified previously via yeast two-hybrid (Y2H) assays.
conclusionFse5 which encodes a PORR domain-containing protein, is essential for the splicing of nad4 intron 1, and loss of Fse5 function affects seed development and seedling growth.
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