Hongryul Ahn

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Drought-stress can cause major economic loss and is a serious issue to address in agriculture. Defining the molecular pathways in how a plant responds to drought-stress may prove valuable in developing new drought-resistant plants. In this study, we identified several novel drought-responsive regulatory coding and noncoding transcripts in rice, Oryza sativa(More)
MOTIVATION Identifying biologically meaningful gene expression patterns from time series gene expression data is important to understand the underlying biological mechanisms. To identify significantly perturbed gene sets between different phenotypes, analysis of time series transcriptome data requires consideration of time and sample dimensions. Thus, the(More)
Recently developed highly parallelized sequencing technologies allow now even small research groups to conduct multi-time point analysis in affordable time and cost, thus available time-series gene expression data sets are rapidly increasing. However, when the time series data generated from the different research groups are considered, the meta-properties(More)
Drought tolerance is an important trait related to growth and yield in crop. Until now, drought related research has focused on coding genes. However, non-coding RNAs also respond significantly to environmental stimuli such as drought stress. Unfortunately, characterizing the role of siRNAs under drought stress is difficult since a large number of(More)
Multifunctional transcription factor (TF) gene EWS/EWSR1 is involved in various cellular processes such as transcription regulation, noncoding RNA regulation, splicing regulation, genotoxic stress response, and cancer generation. Role of a TF gene can be effectively studied by measuring genome-wide gene expression, i.e., transcriptome, in an animal model of(More)
This study was designed to investigate at the molecular level how a transgenic version of rice "Nipponbare" obtained a drought-resistant phenotype. Using multi-omics sequencing data, we compared wild-type rice (WT) and a transgenic version (erf71) that had obtained a drought-resistant phenotype by overexpressing OsERF71, a member of the AP2/ERF(More)
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