ArticlePlant biotechnology journal2017
Overexpression of the 16-kDa α-amylase/trypsin inhibitor RAG2 improves grain yield and quality of rice.
Article in Plant biotechnology journal, 2017. 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, 77 citations in OpenAlex.
- Genome-wide association study uncovers the genetic loci for yield-related traits in waxy rice.Journal of applied genetics · 2026Article
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- Exploring Plant α-Amylase Inhibitors: Mechanisms and Potential Application for Insect Pest Control.Biotechnology journal · 2025Review
- Novel chromosome segment substitution lines derived fromBreeding science · 2025Article
- Overexpression of the general transcription factor OsTFIIB5 alters rice development and seed quality.Plant cell reports · 2025Article
- RAL6 encodes a seed allergenic protein that positively regulates grain weight and seed germination.Journal of plant research · 2024Article
- Biological Roles of Lipids in Rice.International journal of molecular sciences · 2024Review
- Heat Stress Responsive Aux/IAA Protein, OsIAA29 Regulates Grain Filling Through OsARF17 Mediated Auxin Signaling Pathway.Rice (New York, N.Y.) · 2024Article
- Uncovering the Genomic Regions Associated with Yield Maintenance in Rice Under Drought Stress Using an Integrated Meta-Analysis Approach.Rice (New York, N.Y.) · 2024Article
- Seed development-related genes contribute to high yield heterosis in integrated utilization of elite autotetraploid and neo-tetraploid rice.Frontiers in plant science · 2024Article
- Stimulus-responsive proteins involved in multi-process regulation of storage substance accumulation during rice grain filling under elevated temperature.BMC plant biology · 2023Article
- Eukaryotic Translation Elongation FactorPlants (Basel, Switzerland) · 2023Article
- Transcription factors NAC20 and NAC26 interact with RPBF to activate albumin accumulations in rice endosperm.Plant biotechnology journal · 2023Article
- Cytological, transcriptome and miRNome temporal landscapes decode enhancement of rice grain size.BMC biology · 2023Article
- Genetic Localization and Homologous Genes Mining for Barley Grain Size.International journal of molecular sciences · 2023Review
- Transcriptomic and QTL Analysis of Seed Germination Vigor under Low Temperature in Weedy Rice WR04-6.Plants (Basel, Switzerland) · 2023Article
- Overexpression of soybean trypsin inhibitor genes decreases defoliation by corn earworm (Frontiers in plant science · 2023Article
- Meta-QTL and haplo-pheno analysis reveal superior haplotype combinations associated with low grain chalkiness under high temperature in rice.Frontiers in plant science · 2023Article
- The genetic basis of grain protein content in rice by genome-wide association analysis.Molecular breeding : new strategies in plant improvement · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Increasing grain yield and improving grain quality are two important goals for rice breeding. A better understanding of the factors that contribute to the overall grain quantity and nutritional quality of rice will lay the foundation for developing new breeding strategies. RAG2 is a member of 14-to-16-kDa α-amylase/trypsin inhibitors in rice, which belong to the albumin of seed storage proteins. We found that RAG2 was specifically expressed in ripening seed and its transcription peak was between 14 and 21 days after flowering. Grain size and 1000-grain weight were obviously increased in RAG2-overexpressed lines compared with wild type, and grain size was reduced in RAG2-suppressed lines. In addition, the major storage substances of the seeds differed significantly in RAG2-overexpressed and RAG2-suppressed lines compared to wild type. The protein content and amount of total lipids were increased and decreased, respectively, in the seeds of RAG2-overexpressed and RAG2-suppressed lines. Overexpression of RAG2 significantly increased grain size and improved grain quality and yield simultaneously. These results imply that RAG2 might play an important role in regulating grain weight and seed quality of rice. The functional characterization of rice RAG2 facilitates a further understanding of the mechanisms involved in grain size and seed quality and may be helpful in improving grain yield and quantity in cereal crops.
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