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Open AccessArticle

Genome-Wide Identification and Characterization of Long Non-Coding RNAs in Peanut

Shandong Peanut Research Institute, Qingdao, Shandong Province 266000, China
KeGene Science & Technology Co. Ltd., Tai’an, Shandong Province 271000, China
Authors to whom correspondence should be addressed.
Equal contributors.
Genes 2019, 10(7), 536;
Received: 10 June 2019 / Revised: 11 July 2019 / Accepted: 12 July 2019 / Published: 15 July 2019
(This article belongs to the Section Plant Genetics and Genomics)
Long non-coding RNAs (lncRNAs) are involved in various regulatory processes although they do not encode protein. Presently, there is little information regarding the identification of lncRNAs in peanut (Arachis hypogaea Linn.). In this study, 50,873 lncRNAs of peanut were identified from large-scale published RNA sequencing data that belonged to 124 samples involving 15 different tissues. The average lengths of lncRNA and mRNA were 4335 bp and 954 bp, respectively. Compared to the mRNAs, the lncRNAs were shorter, with fewer exons and lower expression levels. The 4713 co-expression lncRNAs (expressed in all samples) were used to construct co-expression networks by using the weighted correlation network analysis (WGCNA). LncRNAs correlating with the growth and development of different peanut tissues were obtained, and target genes for 386 hub lncRNAs of all lncRNAs co-expressions were predicted. Taken together, these findings can provide a comprehensive identification of lncRNAs in peanut. View Full-Text
Keywords: peanut; lncRNA; RNA sequencing; WGCNA peanut; lncRNA; RNA sequencing; WGCNA
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Zhao, X.; Gan, L.; Yan, C.; Li, C.; Sun, Q.; Wang, J.; Yuan, C.; Zhang, H.; Shan, S.; Liu, J.N. Genome-Wide Identification and Characterization of Long Non-Coding RNAs in Peanut. Genes 2019, 10, 536.

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