Plant Biotechnology Reports

, Volume 13, Issue 5, pp 511–520 | Cite as

Acquisition of seed dormancy breaking in rice (Oryza sativa L.) via CRISPR/Cas9-targeted mutagenesis of OsVP1 gene

  • Yu Jin Jung
  • Hyo Ju Lee
  • Sangsu Bae
  • Jong Hee Kim
  • Dong Hyen Kim
  • Hee Kyoung Kim
  • Ki Hong Nam
  • Franz Marielle Nogoy
  • Yong-Gu Cho
  • Kwon Kyoo KangEmail author
Original Article


Genome editing offers great advantages in identifying gene function and generating agronomical important mutations in crops. Here, we report the development of edited lines with reduced seed dormancy by knockout viviparous-1 (OsVP1) gene known as a transcription factor that regulates key aspects of plant seed development and ABA signaling in rice. Thirty-three genetic edited lines out of 55 T0 rice plants were generated using CRISPR/Cas9 system. Sequencing analysis showed that the plants had four different mutation types at the target site of OsVP1, the mutations were found to be transmitted to the succeeding generations. Stable transmission of CRISPR/Cas9-mediated mutant lines without the transferred DNA (T-DNA) was confirmed by segregation in the T1 generation. Regarding many investigated agronomic trait, there are no significant differences between homozygous mutants and wildtype plants under field’s growth conditions. Especially in RT-PCR analysis of ABA/GA signaling genes, the expression of OsNCED2, OsGA20ox1, OsGA20ox2, OsGA20ox3 genes in homozygous mutants was increased compared to wildtype plants. Results of this study exemplified the effectiveness of CRISPR/Cas9 as a gene editing tool in broke down the seed dormancy in rice.


CRISPR/Cas9 Gene expression Genetic transformation OsVP1 Seed dormancy 



This research was supported by a Grant from the Next-Generation BioGreen 21 Program (Project no. PJ01368902), Rural Development Administration, Republic of Korea.

Supplementary material

11816_2019_580_MOESM1_ESM.docx (893 kb)
Supplementary file1 (DOCX 893 kb)
11816_2019_580_MOESM2_ESM.docx (18 kb)
Supplementary file2 (DOCX 17 kb)


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Copyright information

© Korean Society for Plant Biotechnology 2019

Authors and Affiliations

  • Yu Jin Jung
    • 1
    • 2
  • Hyo Ju Lee
    • 1
  • Sangsu Bae
    • 3
  • Jong Hee Kim
    • 1
  • Dong Hyen Kim
    • 1
  • Hee Kyoung Kim
    • 1
  • Ki Hong Nam
    • 1
  • Franz Marielle Nogoy
    • 4
  • Yong-Gu Cho
    • 5
  • Kwon Kyoo Kang
    • 1
    • 2
    Email author
  1. 1.Department of Horticultural Life ScienceHankyong National UniversityAnseongKorea
  2. 2.Institute of Genetic EngineeringHankyong National UniversityAnseongKorea
  3. 3.Department of ChemistryHanyang UniversitySeoulKorea
  4. 4.Department of Crop Science, College of AgricultureCentral Luzon State UniversityMuñozPhilippines
  5. 5.Department of Crop ScienceChungbuk National UniversityCheongjuKorea

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