Dec 12, 2018

Changes of alternative splicing in Arabidopsis thaliana grown under different CO2 concentrations

Gene
Wei HuangJingkui Tian

Abstract

Atmospheric CO2 level is one of the most important factors which affect plant growth and crop production. Although many crucial genes and pathways have been identified in response to atmospheric CO2 changes, the integrated and precise mechanisms of plant CO2 response are not well understood. Alternative splicing (AS) is an important gene regulation process that affects many biological processes in plants. However, the AS pattern changes in plants in response to elevated CO2 levels have not yet been investigated. Here, we used RNA-Seq data of Arabidopsis thaliana grown under different CO2 concentration to analyze the global changes in AS. We found that AS increased with the rise in CO2 concentration. Additionally, we identified 345 differentially expressed (DE) genes and 251 differentially alternative splicing (DAS) genes under the elevated CO2 condition. Moreover, the results showed that the expression of most of the DAS genes did not change significantly, indicating that AS can serve as an independent mechanism for gene regulation in response to elevated CO2. Furthermore, our analysis of function categories revealed that the DAS genes were associated mainly with the stimulus response. Overall, this the first study to explore t...Continue Reading

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Mentioned in this Paper

Nested Transcripts
Biochemical Pathway
Crops, Agricultural
Genes
Gene Expression Regulation, Plant
Plant Development
RNA Splicing
C2
Analysis
Carbon Dioxide

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