Research Report

Long non-coding RNAs Profiling of Qingke Barley in Tibet under the Condition of Blumeria graminis Infection  

Lingling Wei1,2 , Yulin Wang1,3 , Hongjun Yuan1,3 , Mu Wang1,4 , Xingquan Zeng1,4
1 State Key Laboratory of Hulless Barley and Yak Germplasm Resources and Genetic Improvement, Lhasa, 850002
2 Tibet Agriculture and Animal Husbandry University, Linzhi, 86000
3 Research Institute of Agriculture, Tibet Academy of Agriculture and Animal Husbandry Sciences, Lhasa, 850002
4 Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, 850000
Author    Correspondence author
Triticeae Genomics and Genetics, 2020, Vol. 11, No. 4   
Received: 06 Sep., 2020    Accepted: 09 Sep., 2020    Published: 09 Sep., 2020
© 2020 BioPublisher Publishing Platform
This article was first published in Molecular Plant Breeding ( ISSN1672-416X,CN46-1068/S) in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Powdery mildew, known as one of the most devastating diseases in cereal crops, causes serious losses in grain yield and quality. In order to clarify the pathogenic molecular mechanism of qingke barley to powdery mildew, In the present study, the DEGs expression patterns of  Tibetan barley (also called qingke) cultivars G7 (showed complete penetration resistance to powderymildew ) and Z13 (showed complete penetration sensitivity to powdery mildew) were compared after inoculation with Blumeria graminis f. sp. Hordei(Bgh). The genes coding for calcium-dependent protein kinase, glutathione S-transferase, plasminogen activator inhibitor 1, serine-type endopeptidase, and MADS-box transcription factor were expressed at higher levels in the G7, indicating their possible roles in the resistance to Bgh. The highly expressed genes in G7 take a part in the biological processes including ion channels, calcium-dependent protein kinase, and plant hormone pathway. Sixteen lncRNAs and their 21 candidate target genes were identified to exhibit coordinated expression patterns, which were enriched in plant hormone signal transduction and ion binding processes. This study casts an insight into the molecular mechanisms to control powdery mildew in barley and relative species.
Keywords
Qingke; Powdery mildew (Blumeria graminis); Long non cording RNA; Plant hormone pathway
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. Lingling Wei
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