Genome-wide analysis of long non-coding RNAs responsive to multiple nutrient stresses in Arabidopsis thaliana

Nov 1, 2020Functional & integrative genomics

Genome-wide study of long non-coding RNAs responding to different nutrient stresses in Arabidopsis thaliana

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Abstract

The expression of long non-coding RNAs (lncRNAs) is more sensitive to nutrient stress than that of protein-coding genes.

Nutrient stress significantly limits plant growth and development.
Aberrant expression of lncRNAs occurs in a stress-specific manner under seven nutrient stress conditions.
lncRNAs were identified and characterized for their roles in response to nutrient stress in Arabidopsis thaliana.
Competing endogenous RNA (ceRNA) networks and lncRNA-mRNA co-expression networks were constructed to explore lncRNA functions.
Key lncRNAs were selected based on their expression and network analysis related to nutrient stress.

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Nutrient stress is the most important environmental stress that limits plant growth and development. Although recent evidence highlights the vital functions of long non-coding RNAs (lncRNA) in response to single nutrient stress in some model plants, a comprehensive investigation of the effect of lncRNAs in response to nutrient stress has not been performed in Arabidopsis thaliana. Here, we presented the identification and characterization of lncRNAs under seven nutrient stress conditions. The expression pattern analysis revealed that aberrant expression of lncRNAs is a stress-specific manner under nutrient stress conditions and that lncRNAs are more sensitive to nutrient stress than protein-coding genes (PCGs). Moreover, competing endogenous RNA (ceRNA) network and lncRNA-mRNA co-expression network (CEN) were constructed to explore the potential function of these lncRNAs under nutrient stress conditions. We further combined different expressed lncRNAs with ceRNA network and CEN to select key lncRNAs in response to nutrient stress. Together, our study provides important information for further insights into the role of lncRNAs in response to stress in plants.

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Genome-wide analysis of long non-coding RNAs responsive to multiple nutrient stresses in Arabidopsis thaliana

Abstract

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