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OsSET1, a novel SET-domain-containing gene from rice
Yun-Kuan Liang1, Ying Wang, Yong Zhang
1PKU-Yale Joint Research Center of Agricultural and Plant Molecular Biology, National Key Laboratory of Protein Engineering and Plant Gene Engineering, College of Life Sciences, Peking University, 5 Yiheyuan Road, Beijing 100871, PR China.
Journal of Experimental Botany
|June 20, 2003
Summary
Researchers identified a new rice gene, OsSET1, involved in plant development. This SET-domain protein is found in the nucleus and affects shoot growth in related plants.
Area of Science:
- Plant molecular biology
- Genetics
- Developmental biology
Background:
- SET-domain-containing genes play crucial roles in gene regulation across eukaryotes.
- Understanding novel genes in important crop species like rice (Oryza sativa L.) is vital for agricultural advancements.
Purpose of the Study:
- To isolate and characterize a novel SET-domain-containing gene from rice, named OsSET1.
- To investigate the expression pattern, protein localization, and functional role of OsSET1.
Main Methods:
- Gene isolation and sequence analysis of OsSET1.
- Reverse Transcription Polymerase Chain Reaction (RT-PCR) for expression analysis.
- Transient expression assay in onion epidermis for protein localization.
- Over-expression studies in Arabidopsis thaliana to assess functional impact.
Main Results:
- A novel rice gene, OsSET1, encoding an 895-amino acid protein with structural similarity to known SET-domain proteins (e.g., CLF in plants, E(z) in animals) was identified.
- OsSET1 gene expression was detected throughout the entire rice plant.
- The OsSET1 protein was localized to the nucleus.
- Over-expression of the SET domain of OsSET1 in Arabidopsis led to observable alterations in shoot development during seedling stages.
Conclusions:
- OsSET1 is a novel, ubiquitously expressed nuclear protein in rice with structural homology to conserved SET-domain proteins.
- OsSET1 plays a role in regulating plant development, as evidenced by its effect on shoot development in Arabidopsis.