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Identification of manganese-responsive microRNAs in Arabidopsis by small RNA sequencing

Author

Listed:
  • Jian Gong

    (Pharmaceutical and Biological Engineering Department, Zibo Vocational Institute, Zibo, P.R. China)

  • Dong Li

    (College of Horticulture, Shanxi Agricultural University, Taigu, P.R. China
    CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, P.R. China)

  • Hao Li

    (College of Forestry, Shanxi Agricultural University, Taigu, P.R. China
    CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, P.R. China)

  • Huakun Zhou

    (Northwest Institute of Plateau Biology, Key Laboratory of Restoration Ecology of Cold Area in Qinghai Province, Chinese Academy of Sciences, Xining, P.R. China)

  • Jin Xu

    (CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, P.R. China)

Abstract

Manganese (Mn) is an important micronutrient for growth and development in plants, however, excess Mn is harmful by disrupting photosynthesis system and inducing oxidative damage in leaves. MicroRNAs (miRNAs) play key roles in regulating Mn toxicity tolerance in plants. Here, we identified Mn toxicity-responsive miRNAs in Arabidopsis by using small RNA sequencing. Eighteen differentially expressed miRNAs were identified in Arabidopsis thaliana seedlings in response to Mn toxicity. These differentially expressed miRNAs are involved in regulating nutrition homeostasis, transport, stress response, and developmental processes. Our results indicated that these miRNAs play a key role in Mn toxicity response in plants.

Suggested Citation

  • Jian Gong & Dong Li & Hao Li & Huakun Zhou & Jin Xu, 2019. "Identification of manganese-responsive microRNAs in Arabidopsis by small RNA sequencing," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 55(2), pages 76-82.
    • Handle: RePEc:caa:jnlcjg:v:55:y:2019:i:2:id:57-2018-cjgpb
    DOI: 10.17221/57/2018-CJGPB
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