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Transcription factor profile analysis of the Antarctic vascular plant Deschampsia antarctica Desv. (Poaceae)

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Title
Transcription factor profile analysis of the Antarctic vascular plant Deschampsia antarctica Desv. (Poaceae)
Authors
Lee, Jungeun
Lee, Hyoungseok
Park, Hyun
Noh, Eun Kyeung
Subject
Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology; Genetics & Heredity
Keywords
Abiotic stress; Antarctic hairgrass; Poaceae; Transcription factor
Issue Date
2013
Publisher
Springer/한국유전학회
Citation
Lee, Jungeun, et al. 2013. "Transcription factor profile analysis of the Antarctic vascular plant Deschampsia antarctica Desv. (Poaceae)". GENES & GENOMICS, 35(5): 575-586.
Abstract
Transcription factors (TFs), which control gene expression through sequence-specific interactions with cis-elements of downstream gene promoters, play an important role in developmental processes and in response to environmental stress. To explore the molecular mechanism behind stress signaling and the development of Antarctic hairgrass (Deschampsia antarctica Desv.), a terrestrial plant that has successfully adapted to the Antarctic climate, we analyzed the D. antarctica EST database and constructed a TF profile based on sequence homology searches with other plant TFs to identify 1,083 transcripts encoding TFs categorized into 53 TF families. The gene ontology distribution of TF-encoding transcripts and lineage-specific expansion/contraction of TF families were analyzed. In addition, we identified a group of putative abiotic stress-induced TFs by comparing EST libraries generated under different abiotic conditions and validated the results using quantitative real-time PCR. Since plant TFs are primary targets for genetic engineering and the development of stress-tolerant crops, these results could be a useful resource for agricultural applications. To explore the molecular mechanism behind stress signaling and the development of Antarctic hairgrass (Deschampsia antarctica Desv.), a terrestrial plant that has successfully adapted to the Antarctic climate, we analyzed the D. antarctica EST database and constructed a TF profile based on sequence homology searches with other plant TFs to identify 1,083 transcripts encoding TFs categorized into 53 TF families. The gene ontology distribution of TF-encoding transcripts and lineage-specific expansion/contraction of TF families were analyzed. In addition, we identified a group of putative abiotic stress-induced TFs by comparing EST libraries generated under different abiotic conditions and validated the results using quantitative real-time PCR. Since plant TFs are primary targets for genetic engineering and the development of stress-tolerant crops, these results could be a useful resource for agricultural applications.
URI
http://repository.kopri.re.kr/handle/201206/6210
DOI
http://dx.doi.org/10.1007/s13258-013-0106-4
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