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

Jian Gong, Dong Li, Hao Li, Huakun Zhou and Jin Xu
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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
Hao Li: College of Forestry, Shanxi Agricultural University, Taigu, 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

Czech Journal of Genetics and Plant Breeding, 2019, vol. 55, issue 2, 76-82

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.

Keywords: Arabidopsis thaliana; high-throughput sequencing; manganese toxicity; miRNA (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjg:v:55:y:2019:i:2:id:57-2018-cjgpb

DOI: 10.17221/57/2018-CJGPB

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