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Genome-wide analysis of long non-coding RNAs (lncRNAs) in tea plants (Camellia sinensis) lateral roots in response to nitrogen application.


ABSTRACT: Tea (Camellia sinensis) is one of the significant cash crops in China. As a leaf crop, nitrogen supply can not only increase the number of new shoots and leaves but also improve the tenderness of the former. However, a conundrum remains in science, which is the molecular mechanism of nitrogen use efficiency, especially long non-coding RNA (lncRNA). In this study, a total of 16,452 lncRNAs were identified through high-throughput sequencing analysis of lateral roots under nitrogen stress and control conditions, of which 9,451 were differentially expressed lncRNAs (DE-lncRNAs). To figure out the potential function of nitrogen-responsive lncRNAs, co-expression clustering was employed between lncRNAs and coding genes. KEGG enrichment analysis revealed nitrogen-responsive lncRNAs may involve in many biological processes such as plant hormone signal transduction, nitrogen metabolism and protein processing in endoplasmic reticulum. The expression abundance of 12 DE-lncRNAs were further verified by RT-PCR, and their expression trends were consistent with the results of RNA-seq. This study expands the research on lncRNAs in tea plants, provides a novel perspective for the potential regulation of lncRNAs on nitrogen stress, and valuable resources for further improving the nitrogen use efficiency of tea plants.

SUBMITTER: Hu S 

PROVIDER: S-EPMC9998519 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Genome-wide analysis of long non-coding RNAs (lncRNAs) in tea plants (<i>Camellia sinensis</i>) lateral roots in response to nitrogen application.

Hu Shunkai S   Hu Yimeng Y   Mei Huiling H   Li Jianjie J   Xuan Wei W   Jeyaraj Anburaj A   Zhao Zhen Z   Zhao Yuxin Y   Han Rui R   Chen Xuan X   Li Xinghui X  

Frontiers in plant science 20230224


Tea (<i>Camellia sinensis</i>) is one of the significant cash crops in China. As a leaf crop, nitrogen supply can not only increase the number of new shoots and leaves but also improve the tenderness of the former. However, a conundrum remains in science, which is the molecular mechanism of nitrogen use efficiency, especially long non-coding RNA (lncRNA). In this study, a total of 16,452 lncRNAs were identified through high-throughput sequencing analysis of lateral roots under nitrogen stress an  ...[more]

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