ArticlePloS one2016
Serine carboxypeptidase 46 Regulates Grain Filling and Seed Germination in Rice (Oryza sativa L.).
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed, 58 citations in OpenAlex.
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- Mapping of a Major-Effect Quantitative Trait Locus for Seed Dormancy in Wheat.International journal of molecular sciences · 2024Article
- Comparison of the genetic basis of salt tolerance at germination, seedling, and reproductive stages in an introgression line population of rice.Molecular biology reports · 2024Article
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- Panicle transcriptome of high-yield mutant indica rice reveals physiological mechanisms and novel candidate regulatory genes for yield under reproductive stage drought stress.BMC plant biology · 2023Article
- In order to lower the antinutritional activity of serine protease inhibitors, we need to understand their role in seed development.Frontiers in plant science · 2023Article
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- Genome-wide identification and characterization of lncRNAs in sunflower endosperm.BMC plant biology · 2022Article
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- The OsEIL1-OsERF115-target gene regulatory module controls grain size and weight in rice.Plant biotechnology journal · 2022Article
- RLB (RICE LATERAL BRANCH) recruits PRC2-mediated H3K27 tri-methylation on OsCKX4 to regulate lateral branching.Plant physiology · 2022Article
- Identification and Allele Combination Analysis of Rice Grain Shape-Related Genes by Genome-Wide Association Study.International journal of molecular sciences · 2022Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Serine carboxypeptidase (SCP) is one of the largest groups of enzymes catalyzing proteolysis for functional protein maturation. To date, little is known about the function of SCPs in rice. In this study, we present a comprehensive analysis of the gene structure and expression profile of 59 rice SCPs. SCP46 is dominantly expressed in developing seeds, particularly in embryo, endosperm and aleurone layers, and could be induced by ABA. Functional characterization revealed that knock-down of SCP46 resulted in smaller grain size and enhanced seed germination. Furthermore, scp46 seed germination became less sensitive to the ABA inhibition than the Wild-type did; suggesting SCP46 is involved in ABA signaling. As indicated by RNA-seq and qRT-PCR analysis, numerous grain filling and seed dormancy related genes, such as SP, VP1 and AGPs were down-regulated in scp46. Yeast-two-hybrid assay also showed that SCP46 interacts with another ABA-inducible protein DI19-1. Taken together, we suggested that SCP46 is a master regulator of grain filling and seed germination, possibly via participating in the ABA signaling. The results of this study shed novel light into the roles of SCPs in rice.
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