Article presents an Arabidopsis gene co-expression network constructed using RNA-Seq datasets, which will serve as a useful resource for the Arabidopsis research community to gain insights into Arabidopsis gene interactions and functions.
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Article presents an Arabidopsis gene co-expression network constructed using RNA-Seq datasets, which will serve as a useful resource for the Arabidopsis research community to gain insights into Arabidopsis gene interactions and functions.
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22 p.
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Abstract: Identifying genes that interact to confer a biological function to an organism is one of the main goals of functional genomics. High-throughput technologies for assessment and quantification of genome-wide gene expression patterns have enabled systems-level analyses to infer pathways or networks of genes involved in different functions under many different conditions. Here, we leveraged the publicly available, information-rich RNA-Seq datasets of the model plant Arabidopsis thaliana to construct a gene co-expression network, which was partitioned into clusters or modules that harbor genes correlated by expression. Gene ontology and pathway enrichment analyses were performed to assess functional terms and pathways that were enriched within the different gene modules. By interrogating the co-expression network for genes in different modules that associate with a gene of interest, diverse functional roles of the gene can be deciphered. By mapping genes differentially expressing under a certain condition in Arabidopsis onto the co-expression network, we demonstrate the ability of the network to uncover novel genes that are likely transcriptionally active but prone to be missed by standard statistical approaches due to their falling outside of the confidence zone of detection. To our knowledge, this is the first A. thaliana co-expression network constructed using the entire mRNA-Seq datasets (>20,000) available at the NCBI SRA database. The developed network can serve as a useful resource for the Arabidopsis research community to interrogate specific genes of interest within the network, retrieve the respective interactomes, decipher gene modules that are transcriptionally altered under certain condition or stage, and gain understanding of gene functions.
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Burks, David J.; Sengupta, Soham; De, Ronika; Mittler, Ron & Azad, Rajeev K.The Arabidopsis gene co-expression network,
article,
April 26, 2022;
(https://digital.library.unt.edu/ark:/67531/metadc1953965/:
accessed February 12, 2025),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT College of Science.