Source:http://linkedlifedata.com/resource/pubmed/id/17937930
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
2007-10-31
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pubmed:abstractText |
Recently, we developed a novel system known as Full-length cDNA Over-eXpressor (FOX) gene hunting [T. Ichikawa, M. Nakazawa, M. Kawashima, H. Iizumi, H. Kuroda, Y. Kondou, Y. Tsuhara, K. Suzuki, A. Ishikawa, M. Seki, M. Fujita, R. Motohashi, N. Nagata, T. Takagi, K. Shinozaki, M. Matsui, The FOX hunting system: an alternative gain-of-function gene hunting technique, Plant J. 48 (2006) 974-985], which involves the random overexpression of a normalized Arabidopsis full-length cDNA library. While our system allows large-scale collection of full-length cDNAs for gene discovery, we sought to downsize it to analyze a small pool of full-length cDNAs. As a model system, we focused on stress-inducible transcription factors. The full-length cDNAs of 43 stress-inducible transcription factors were mixed to create a transgenic plant library. We screened for salt-stress-resistant lines in the T1 generation and identified a number of salt-tolerant lines that harbored the same transgene (F39). F39 encodes a bZIP-type transcription factor that is identical to AtbZIP60, which is believed to be involved in the endoplasmic reticulum stress response. Microarray analysis revealed that a number of stress-inducible genes were up-regulated in the F39-overexpressing lines, suggesting that AtbZIP60 is involved in stress signal transduction. Thus, our mini-scale FOX system may be used to screen for genes with valuable functions, such as transcription factors, from a small pool of genes that show similar expression profiles.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
1090-2104
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:day |
14
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pubmed:volume |
364
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
250-7
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pubmed:meshHeading |
pubmed-meshheading:17937930-Arabidopsis,
pubmed-meshheading:17937930-Arabidopsis Proteins,
pubmed-meshheading:17937930-DNA, Complementary,
pubmed-meshheading:17937930-Endoplasmic Reticulum,
pubmed-meshheading:17937930-Gene Expression Regulation, Plant,
pubmed-meshheading:17937930-Gene Library,
pubmed-meshheading:17937930-Oligonucleotide Array Sequence Analysis,
pubmed-meshheading:17937930-Plants, Genetically Modified,
pubmed-meshheading:17937930-Transcription Factors
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pubmed:year |
2007
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pubmed:articleTitle |
Identification of stress-tolerance-related transcription-factor genes via mini-scale Full-length cDNA Over-eXpressor (FOX) gene hunting system.
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pubmed:affiliation |
Gene Discovery Research Group, RIKEN Plant Science Center, 3-1-1 Koyadai, Tsukuba, Ibaraki 305-0074, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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