Molecular Biology Reports

, Volume 46, Issue 4, pp 4555–4564 | Cite as

Transcriptomic changes in sweetpotato peroxidases in response to infection with the root-knot nematode Meloidogyne incognita

  • Yeon Woo Sung
  • Il Hwan Lee
  • Donghwan Shim
  • Kang-Lok Lee
  • Ki Jung Nam
  • Jung-Wook Yang
  • Jeung Joo Lee
  • Sang-Soo Kwak
  • Yun-Hee KimEmail author
Original Article


A previous transcriptomic analysis of the roots of susceptible and resistant cultivars of sweetpotato (Ipomoea batatas) identified genes that were likely to contribute to protection against infection with the root-knot nematode Meloidogyne incognita. The current study examined the roles of peroxidase genes in sweetpotato defense responses during root-knot nematode infection, using the susceptible (cv. Yulmi) and resistant (cv. Juhwangmi) cultivars. Differentially expressed genes were assigned to gene ontology categories to predict their functional roles and associated biological processes. Comparison with Arabidopsis peroxidases identified a group of genes orthologous to Arabidopsis PEROXIDASE 52 (AtPrx52). An analysis of sweetpotato peroxidase genes determined their roles in protecting plants against root-knot nematode infection and enabled identification of important peroxidases. The interactions involved in sweetpotato resistance to nematode infection are discussed.


Defense signaling Root-knot nematodes Sweetpotato Peroxidase Transcriptome 



Reactive oxygen species






Root-knot nematode


Differentially expressed genes


Gene ontology


Arabidopsis information resource


Quantitative real-time RT-PCR



This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT, and Future Planning (2018R1A1A1A05018446).

Author contributions

YHK, YWS, IHL and DS conceived and designed the experiments. YWS, IHL and YHK performed the experiments. KLL and KJN analyzed the data. JWY, JJL and SSK contributed to the analysis and provided materials and reagent tools. YHK, YWS, IHL and DS wrote the paper.

Compliance with ethical standards

Conflict of interest

All authors declare that have no conflict of interest.

Supplementary material

11033_2019_4911_MOESM1_ESM.docx (17 kb)
Supplementary material 1 (DOCX 16 kb)


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  • Yeon Woo Sung
    • 1
    • 2
  • Il Hwan Lee
    • 3
  • Donghwan Shim
    • 3
  • Kang-Lok Lee
    • 1
  • Ki Jung Nam
    • 1
  • Jung-Wook Yang
    • 4
  • Jeung Joo Lee
    • 5
  • Sang-Soo Kwak
    • 6
  • Yun-Hee Kim
    • 1
    Email author
  1. 1.Department of Biology EducationIALS, Gyeongsang National UniversityJinjuRepublic of Korea
  2. 2.Division of Applied Life Science (BK21 Plus)Gyeongsang National UniversityJinjuRepublic of Korea
  3. 3.Department of Forest Bio-resourcesNational Institute of Forest ScienceSuwonRepublic of Korea
  4. 4.National Institute of Crop Science, Rural Development AdministrationSuwonRepublic of Korea
  5. 5.Department of Plant MedicineIALS, Gyeongsang National UniversityJinjuRepublic of Korea
  6. 6.Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB)DaejeonRepublic of Korea

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