ArticleRice (New York, N.Y.)2020
A Cyclophilin OsCYP20-2 Interacts with OsSYF2 to Regulate Grain Length by Pre-mRNA Splicing.
Article in Rice (New York, N.Y.), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 10 citations in OpenAlex.
- Identification and expression analysis of apple CYP family genes in different rootstock-scion combination.BMC plant biology · 2025Article
- Grain shape in rice: a Genome-wide association study of the effector genes.BMC plant biology · 2025Article
- Candidate Gene for Kernel-Related Traits in Maize Revealed by a Combination of GWAS and Meta-QTL Analyses.Plants (Basel, Switzerland) · 2025Article
- Genome-wide identification and stress response analysis of cyclophilin gene family in apple (Malus × domestica).BMC genomics · 2022Article
- Cyclophilin a represses reactive oxygen species generation and death of hypoxic non-small-cell lung cancer cells by degrading thioredoxin-interacting protein.Cell cycle (Georgetown, Tex.) · 2022Article
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Authors and funding
6 authors at 1 institution in 2 countries.
Funding
Abstract
backgroundGrain size is one of the key agronomic traits that impact grain yield. Several regulatory pathways had been reported to participate in grain size determination via cell expansion or proliferation in rice. However, little is known about cyclophilin and spliceosome participation in grain shape regulation.
resultsHere, we identified OsCYP20-2, a cyclophilin that influences spliceosome assembly to determine grain length. oscyp20-2 t1, a knock out mutant of OsCYP20-2 caused by T-DNA insertion, produced shorter grains with deficient cell elongation. Through yeast two-hybrid screening and pull-down assays, OsSYF2, a pre-mRNA splicing factor, was identified as an interacting protein of OsCYP20-2. The phenotypes of transgenic lines indicated that OsSYF2 positively regulates grain length via its influence on cell expansion. Transcriptomic analysis showed that OsSYF2 controls the expression and pre-mRNA alternative splicing of genes involved in sugar metabolism. In addition, these two genes have similar effects on panicle architecture.
conclusionsTaken together, OsSYF2, an interacting protein of OsCYP20-2, controls grain length and panicle architecture by regulating the alternative splicing of pre-mRNA involved in cell elongation and sugar metabolism.
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