Genes & Genomics

, Volume 36, Issue 6, pp 799–808 | Cite as

Genome-wide comparative analysis of flowering genes between Arabidopsis and mungbean

  • Sue K. Kim
  • Taeyoung Lee
  • Yang Jae Kang
  • Won Joo Hwang
  • Kil Hyun Kim
  • Jung-Kyung Moon
  • Moon Young Kim
  • Suk-Ha Lee
Research Article


Mungbean is one of the major crops grown in South, East and Southeast Asia because of a high quality of amino acid profile; however, its asynchronous flowering time makes difficult to harvest at a time. Synchronization of flowering time is important to reduce labor costs for harvesting. With the availability of next generation sequencing data of mungbean, we approached a strategy of comparative genomics to identify mungbean homologous counterpart of A. thaliana genes that are known to be involved in flowering pathways, followed by a comparative soybean quantitative trait loci (QTL) analysis of the putative mungbean flowering-related genes. Co-localization of mungbean QTL associated with days to first flower day (FLD) was also identified using the EST-SSR markers from a previous study. Additionally, based on the mungbean transcriptome data with a distinct flowering stage of R2, FPKM (Fragments Per Kilobase per Million mapped reads) expression analysis of all the genes found in paralogous synteny blocks was conducted to examine expression patterns of the genes that have undergone a whole genome duplication event. Our results indicate that the paralogous flowering genes along with other genes within a same synteny block have evolved together at the macro-synteny scale. This study provides insights into mungbean flowering genes, in which they can be used as tools in order to improve flowering synchronization and to increase yield.


Mungbean Comparative mapping Quantitative trait loci Comparative genomics FPKM Whole genome duplication 



This work was carried out with the support of “Cooperative Research Program for Agriculture Science & Technology Development (Project title. PJ008060, Project No. PJ00806003)” Rural Development Administration, Republic of Korea.

Conflict of interest

None declared.

Supplementary material

13258_2014_215_MOESM1_ESM.docx (39 kb)
Supplementary material 1 (DOCX 39 kb)


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Copyright information

© The Genetics Society of Korea and Springer-Science and Media 2014

Authors and Affiliations

  • Sue K. Kim
    • 1
  • Taeyoung Lee
    • 1
  • Yang Jae Kang
    • 1
  • Won Joo Hwang
    • 1
  • Kil Hyun Kim
    • 2
  • Jung-Kyung Moon
    • 2
  • Moon Young Kim
    • 1
  • Suk-Ha Lee
    • 1
    • 3
  1. 1.Department of Plant ScienceSeoul National UniversitySeoulRepublic of Korea
  2. 2.National Institute of Crop ScienceRural Development AdministrationSuwonRepublic of Korea
  3. 3.Research Institute of Agriculture and Life SciencesSeoul National UniversitySeoulRepublic of Korea

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